| Rapid Prototyping-Unmanned Combat Air Vehicle (UCAV)/Sensorcraft |
JAN 2008 |
300 pages |
| Authors:
Charles Tyler; Richard J. Schwartz; Gary Fleming; Sergey Fonov; AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH COMPUTATIONAL SCIENCES BRANCH
|
 | To characterize and improve upon aircraft designs in an expedient and efficient manner, it is imperative to generate approaches for rapidly assessing new aircraft designs. Recent technological advancements have enabled faster and more accurate assessment in three specific areas: computational fluid dynamics (CFD) modeling, rapid prototyping (RP), and experimental global measurements. The Air Force Research Laboratory Air Vehicles Directorate (AFRL/RB) initiated a joint computational/experimental ground testing program to investigate and ... |
|
| Advanced Materials Intelligent Processing Center (AMIPC): Manufacturing for Multi-Functionality |
31 DEC 2005 |
58 pages |
| Authors:
Jr. Gillespie John W.; Suresh G. Advani; DELAWARE UNIV NEWARK CENTER FOR COMPOSITE MATERIALS
|
| The work performed by the University of Delaware Center for Composite Materials builds on previous ONR-funded phases of the Advanced Materials Intelligent Processing Center (AMIPC). This work continues the establishment of 21st Century manufacturing practices using intelligent processing to accelerate the insertion of composites into ship applications. Quality, repeatability, tolerances, and affordability can be improved through computer simulations and process design tools as well as automation, combining advanced sensors and ... |
|
| Development of a High-Temperature Vacuum Assisted Resin Transfer Molding Testbed for Aerospace Grade Composites |
10 NOV 2005 |
51 pages |
| Authors:
Ben Wang; FAMU/FSU COLL OF ENGINEERING TALLAHASSEE FL DEPT OF INDUSTRIAL ENGINEERING
|
| Composite materials are lightweight and strong, providing a winning combination that propels composites to new areas of respect in the manufacturing industry. Manufacturers are attempting to find more applications where composites can be used. For instance, composite materials are being looked at for use as replacements for conventional materials in high-temperature applications. Traditionally, hand lay-up prepreg/autoclave techniques have been used to fabricate polymeric composites for applications that require high-temperature resistance. ... |
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| HIP Modeling Methodology Based on the Inherent Process Anisotropy |
17 AUG 2005 |
|
| Authors:
Victor Samarov; Vassily Goloveshkin; Charles Barre; SYNERTECH P/M INC GARDEN GROVE CA
|
 | The "net shape" HIP approach is based on computer programs with embedded engineering models of powder consolidation, shrinkage and surface formation that use the computer aided design (CAD) of the part needed and of the HIP tooling. Densification pattern during HIP, which is the "key" to "net shape" technology is determined by the capsule and powder materials rheology and is, at the initial stages, controlled by the capsule's plastic stiffness. ... |
|
| The Feasibility Study of Implementing a Fiber Optic Local Area Network in Software Metrics Laboratory in Ingersoll 158 |
MAR 2004 |
67 pages |
| Authors:
Chai C. Be; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
|
| Optical fiber bas been the preferred cabling technology for certain building and campus network LAN backbones. Until recently however the use of fiber as a cabling medium to the desktop has been confined to special environments that require the unique properties of optical fiber such as noise immunity security distance high bandwidth demands (CAD/CAM video conferencing) and immunity to electrical interference. However choosing to use optical fiber in a network ... |
|
| Bone Tissue Scaffold Technologies Based on RP Adopted Droplet Assembly |
19 NOV 2003 |
10 pages |
| Authors:
Renji Zhang; Yongnian Yan; Feng Lin; TSINGHUA UNIV BEIJING (CHINA) DEPT OF MECHANICAL ENGINEERING
|
| Tissue engineering tries to grow replacement tissues to repair damaged bones. In this paper, the fabrication technology of Multi-nozzle Deposition Manufacturing (MDM) was adopted to fabricate scaffolds of a tissue engineered bone at low temperature. The composite of poly(L-lactic acid) and tri-calcium phosphate (TCP) was chosen to form bone tissue engineering scaffolds. The new computer aided manufacturing process can make porous PLLA/TCP scaffolds. A new surface processing technology of apatite ... |
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| Layered Manufacturing: Challenges and Opportunities |
19 NOV 2003 |
13 pages |
| Authors:
Khershed P. Cooper; NAVAL RESEARCH LAB WASHINGTON DC MATERIAL SCIENCE AND TECHNOLOGY DIV
|
| Layered Manufacturing (LM) refers to computer-aided manufacturing processes in which parts are made in sequential layers relatively quickly. Parts that are produced by LM can be formed from a wide range of materials such as photosensitive polymers, metals and ceramics in sizes from a centimeter to a few meters with sub-millimeter feature resolutions LM has found use in diverse areas including biomedical engineering, pharmaceuticals, aerospace, defense, electronics and design engineering. ... |
|
| Rapid Prototyping: State of the Art Review |
23 OCT 2003 |
48 pages |
| Authors:
Douglas Freitag Terry Woh; MANUFACTURING TECHNOLOGY INFORMATION ANALYSIS CENTER CHICAGO IL
|
| This report provides an overview of the current applications and technologies associated with rapid prototyping. It expands upon previous MTIAC reports on this topic and describes the status of equipment suppliers in terms of technical advancements, market size and share, existing and potential applications for rapid manufacturing, and the implications of this technology for the DoD. |
|
| Biochemical Studies and Optical Digitizer Development for Enhanced Orthopedic Footwear |
SEP 2003 |
62 pages |
| Authors:
Vern L. Houston; VETERANS ADMINISTRATION NEW YORK HARBORHEALTH CARE SYSTEM NY
|
| Properly fining, functional footwear is paramount for preventing foot/ankle discomfort and injury, and maintaining mobility of military personnel and veterans. Custom designed and manufactured orthopedic footwear is an essential component in treatment and rehabilitative care of persons with neuromusculoskeletal foot ankle pathologies, biomechanical disorders and injuries, and systemic disorders, such as Diabetes Mellitus and peripheral vascular disease, complications from which affect the feet and ankles. Orthopedic footwear design is still ... |
|
| Effort Flow Analysis: A Methodology for Directed Product Evolution Using Rigid Body and Compliant Mechanisms |
AUG 2002 |
374 pages |
| Authors:
James L. Greer; TEXAS UNIV AT AUSTIN
|
| This dissertation presents a systematic design methodology for directed product evolution that uses both rigid body and compliant mechanisms to facilitate component combination in the domain of mechanical products. The methodology, known as effort flow analysis, is based on fundamental tenets from the Theory of Mechanics, and Graph Theory. Effort flow analysis uses a semantic network known as an effort flow diagram to model a product as a connected set ... |
|
| A State of the Art Report of CAD/CAM/CIM Systems Technologies for the U.S. Shipbuilding Industry |
MAY 2002 |
70 pages |
| Authors:
Tom Rando; NAVAL SURFACE WARFARE CENTER CARDEROCK DIV BETHESDA MD
|
| The purpose of this report is to review the current state of systems technologies as they relate to shipbuilding production processes. The focus is on the areas of computer-aided manufacturing (CAM), numerical control (NC), and enterprise resource planning (ERP). However, the report also addresses the areas of computer-aided-design (CAD) and product data management (PDM). Although these latter areas are more appropriately in the design and engineering realm, the information created ... |
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| Automated Planning and Design for Producability and Maintainability |
29 OCT 2001 |
|
| Authors:
Patrick W. Rourke; INDUSTRIAL PLANNING TECHNOLOGY INC COCOA FL
|
| Ship construction represents one of the more challenging planning problems in industry today. The purpose of this research is to reduce ship construction and operation costs by making optimal use of available automated fabrication facilities and designing for maintainability. An efficient algorithm for solving this class of problem has been discovered and its feasibility has been validated. A design for a commercial software product using this technology designing for maintainability. ... |
|
| Best Manufacturing Practices. Report of Survey Conducted at Lockheed Martin Naval Electronics and Surveillance Systems-Surface Systems, Moorestown, NJ |
AUG 2001 |
64 pages |
| Authors:
BEST MANUFACTURING PRACTICES CENTER OF EXCELLENCE COLLEGE PARK MD
|
| The Lockheed Martin Corporation comprises all or portions of 17 heritage companies, including those of aviation pioneers Glenn L. Martin and the Loughead SIC brothers. Although its founders were dreamers, they could never have imagined the extent to which their company would actually contribute to shaping the future. Lockheed Martin's pioneering efforts created a legacy of excellence and innovation. Continuing in this tradition, the corporation is striving to strengthen its ... |
|
| Simulation Assessment Validation Environment (SAVE). Software User's Manual |
SEP 2000 |
428 pages |
| Authors:
Paul Cole; Bob Bassett; Marcia Herndon; Paul Collins; Kathy Jacobson; LOCKHEED MARTIN TACTICAL AIRCRAFT SYSTEMS FORT WORTH TX
|
| This document provides appropriate documentation for the user of the SAVE Virtual Manufacturing (VM) Environment. Two primary focus areas include use and implementation. In addition, the SAVE Final Report covers the full period of the SAVE Program, from April 1995 through September 2000, and a detailed description of the SAVE software system is documented in the SAVE Software Product End Item Report. |
|
| The Commanders' Integrated Training Tool for the Close Combat Tactical Trainer: Functional Architecture (Design) |
MAY 2000 |
95 pages |
| Authors:
Bud Dannemiller; J. R. Gossman; HUMAN RESOURCES RESEARCH ORGANIZATION ALEXANDRIA VA
|
| This research note details the recommended design of the Commanders' Integrated Training Tool (CITT) application. The CITT is designed to provide commanders and training developers with ready access to information concerning the Close Combat Tactical Trainer (CCTT), existing CCTT training support packages (TSPs), and guidance and tools for modifying and developing CCTT TSPs. This research note includes numerous Integrated Computer Aided Manufacturing Definition or ... |
|
| Quality Functional Deployment as a Conceptual Aircraft Design Tool |
MAR 2000 |
102 pages |
| Authors:
Rendell K. Tan; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
|
| Quality Functional Deployment (QFD) methodology was applied as a possible system integration tool for use during the conceptual configuration design phase of low speed High Altitude Long Endurance (HALE) UAVs. A four-level QFD model was used to identify important design variables and prioritize those that impact customer attributes. The customer attributes were deployed into performance parameters. The performance parameters were deployed into UAV part characteristics. ... |
|
| Development of Application Software Hierarchy for Reuse (DASH'R) |
MAR 2000 |
131 pages |
| Authors:
Larry Sentman; IBM FEDERAL SYSTEMS DIV HOUSTON TX
|
| The goal of this Technology Reinvestment Program Focus Area is to radically reduce the effort required to field new software applications through the development of reusable software components. Today an estimated 85% of the installed base is a custom application, with all components written especially for that software package. "Object Oriented Software", an emerging software technology, which is becoming widely used in the development of ... |
|
| On the Geometry of Sculptured Surface Machining |
2000 |
|
| Authors:
Johannes Wallner; Helmut Pottman; TECHNISCHE UNIV WIEN (AUSTRIA) GEOMETRY INST
|
| We present geometric aspects of sculptured surface machining. Several possible configuration manifolds of tool positions relative to a workpiece are investigated under different aspects: the degree of freedom of the motion of the tool, the correspondence between the contact point and the tool position, and the presence or absence of unwanted collisions between tool and workpiece. |
|
| Inkjet Printing of Flexible Circuits on Polymer Substrate |
18 NOV 1999 |
27 pages |
| Authors:
Chung-tse Chu; MATERIALS RESEARCH INST BEAVERCREEK OH
|
| Flexible printed circuits have a wide range of applications in consumer electronics, computers, automobiles, and space and aerospace vehicles. In this Small Business Technology Transfer (STTR) Phase 1 program, Materials Research Institute (MRI) and University of Dayton Research Institute (UDRI) demonstrated the feasibility of a new processing scheme leading toward the fabrication of high performance, low cost flexible circuits with computer aided design tools ... |
|
| Leapfrog Technology to Standardize Equipment and System Installation. Section 8. Product Modeling Criteria and Demonstration |
SEP 1999 |
11 pages |
| Authors:
Dominic Burns; John Hopkinson; NATIONAL STEEL AND SHIPBUILDING CO SAN DIEGO CA
|
| This section describes and outlines the processes related to the design of Equipment Installations. The various Engineering and design tools developed in the previous sections and the methods associated with them will be described here. This section will attempt to relay a practical example of the basic application of the tools. The result of this described exercise should result in an Equipment Installation that has been through a cognizant process ... |
|
| Systems Engineering Analysis of AMCOM Program(s) |
AUG 1999 |
7 pages |
| Authors:
Gary A. Maddux; ALABAMA UNIV IN HUNTSVILLE
|
| The Systems Engineering and Production Directorate (SEPD), Research, Development and Engineering Center (RDEC) at the U.S. Army Aviation and Missile Command (AMCOM) has an engineering support contract with the University of Alabama in Huntsville. The scope of this contract provides for activities in systems engineering and manufacturing technology. The Industrial Operations Division (IOD), SEPD has the mission and function of providing technical management and engineering support as they relate to ... |
|
| Systems Engineering Analysis of the MPIM/SRAW Program |
AUG 1999 |
7 pages |
| Authors:
Gary A. Maddux; ALABAMA UNIV IN HUNTSVILLE
|
| The Industrial Operations Division (IOD), SEPD has the mission and function of providing technical management and engineering analysis as they relate to AMCOM supported weapon systems. This management and engineering analysis ensures that weapon system design and programmatic changes are incorporated only after a systematic technical evaluation and review of the total impact of the change is conducted. This systems engineering analysis evaluates the long term life cycle consequences of ... |
|
| FUSION'99 -- The Second International Conference on Information Fusion, Volume 1 |
JUL 1999 |
675 pages |
| Authors:
James Llinas; INTERNATIONAL SOCIETY OF INFORMATION FUSION MOUNTAIN VIEW CA
|
| This report contains proceedings of the second international conference on information fusion. Various articles relating to information fusion are presented. |
|
| FUSION'99 -- The Second International Conference on Information Fusion, Volume 2 |
JUL 1999 |
|
| Authors:
James Llinas; INTERNATIONAL SOCIETY OF INFORMATION FUSION MOUNTAIN VIEW CA
|
| This report contains proceedings of the second international conference on information fusion. Various articles relating to information fusion are presented. |
|
| Adequate Technical Data for Mechanical Products in a New Defense Acquisition Era |
JUN 1999 |
|
| Authors:
Robert M. Rolfe; Herbert R. Brown; Brian S. Cohen; Michael B. Marks; INSTITUTE FOR DEFENSE ANALYSES ALEXANDRIA VA
|
| IDA was tasked to develop strategies and requirements for the technical content of product data packages needed to maintain and upgrade weapon systems after the initial production phase. An IDA study team analyzed mechanical-based post-production technical data needs and practices that resulted from recent acquisition reform initiatives and advances in computer- aided technologies. Focusing on mechanical sub-systems, the team assessed how technical data content, form, ... |
|
| DURIP: Request for Lithography and Metallization Equipment |
20 MAY 1999 |
4 pages |
| Authors:
Hadis Morkoc; VIRGINIA COMMONWEALTH UNIV RICHMOND SCHOOL OF ENGINEERING
|
| Electron beam lithography equipment, sputtering unit and missing components of an MOCVD system have been ordered. LEO-440 electron microscope wasoutfitted with Nabity Pattern Generation Systems software and associated hardware which allowed the microscope to be used in imaging and e-beam pattern generation modes. The instruments achieved 2 nm resolution in imaging mode and we are aiming at 50 nm in the writing mode. Necessary hardware components and operating software for ... |
|
| Electroset Composite Articles and Process. |
18 MAY 1999 |
|
| Authors:
Ronald P. Reitz; DEPARTMENT OF THE NAVY WASHINGTON DC
|
| A process for fabrication of composite articles using electroset materials. Conductive substrates are formed defining the shape of the product to be formed. Electroset material is placed between the substrates and the substrates energized by high voltage. Fluid between the conductive portions of the substrates is under the Winslow effect whereas fluid between nonconductive portions of the substrate is not so affected. The fluid between conductive portions is retained by ... |
|
| Solid Freeform Fabrication Symposium (9th) Held at The University of Texas in Austin on August 11-13, 1998; 1998 Report and Proceedings |
25 APR 1999 |
|
| Authors:
D. L. Bourell; J. J. Beaman; TEXAS UNIV AT AUSTIN DEPT OF MECHANICALENGINEERING
|
| The Ninth Solid Freeform Fabrication Symposium, held at The University of Texas in Austin on August 11-13, 1998, was attended by over 150 national and international researchers. Papers addressed SFF issues in computer software, machine design, materials synthesis and processing, and integrated manufacturing. Eighty-eight presentations were made, 72 oral presentations and 16 poster presentations. This represents the most presentations ever given at the SFF Symposium and reflects 11 percent growth ... |
|
| Automated Finite Element Modeling Procedures for Metal Forming Simulations |
16 MAR 1999 |
8 pages |
| Authors:
Mark S. Shephard; RENSSELAER POLYTECHNIC INST TROY NY
|
| This project is concerned with the development of finite element procedures for effectively performing metal forming simulations in an automated analysis environment. Due to their ability to efficiently provide results to the required levels of accuracy, the desired formulation should support hp-adaptive analysis techniques. These requirements present a technical challenge due to the inability of standard finite element formulations to satisfy the Babuska-Brezzi conditions for general ... |
|
| Fast and Flexible Communication of Engineering Information in the Aerospace Industry |
DEC 1998 |
|
| Authors:
MASSACHUSETTS INST OF TECH CAMBRIDGE
|
| This program was launched together with a sister program called Fast and Flexible Communication in the Auto Industry to explore ways of improving the design and manufacture of complex products in an environment of globalization, outsourcing, information technology, increased international competition, and shrinking defense budgets. The research was conducted in the context of Agile Manufacturing, which seeks to improve the performance of companies operating together in fast-changing environments. The opportunity ... |
|
| Methods for Monitoring Fractionally Sampled Multiple Stream Processes |
02 OCT 1998 |
216 pages |
| Authors:
Jeffrey W. Lanning; ARIZONA STATE UNIV TEMPE
|
| This study considers multiple stream systems where it is possible to monitor only a fraction of the total streams at a given time. This situation is of interest in those processes where the speed of production is great and includes a large number of streams, but the ability to monitor the process is not fully automated and unable to keep up with the speed of production. ... |
|
| 2ND International Conference on Composite Science and Technology |
04 AUG 1998 |
|
| Authors:
S. Adall; E. V. Morozov; V. E. Verijenko; NATAL UNIV DURBAN (SOUTH AFRICA) DEPT OF MECHANICAL ENGINEERING
|
| In recent years there have been remarkable developments and advances in the field of composites involving all majors aspects, namely materials, structures and manufacturing. The new techniques have been developed as a result of extensive experimental, computational and analytical studies, adding a new dimension to tailor-made materials which are suitable not only for applications involving aerospace but also civilian structures. As research papers presented at ... |
|
| Proceedings Second International Conference on Composite Science and Technology 9 - 11 June 1998 Durban South Africa |
JUN 1998 |
570 pages |
| Authors:
S. Adall; E. V. Morozov; V. E. Verijenko; NATAL UNIV DURBAN (SOUTH AFRICA) DEPT OF MECHANICAL ENGINEERING
|
| The design and development of supersonic/hypersonic flight vehicles, of Future reusable space transportation systems, launch vehicles and of advanced propulsion systems constitute challanging issues for the aeronautical engineers and the research workers insolved in these problems. It is a well-known fact that during their flight missions, the structure of flight vehicles has to with stand severe aerodynamic, aeroacoustic and thermomechanical loads. The temperatures involved are ... |
|
| Search Strategies in Large-Scale Discrete Optimization: A Joint AI/OR approach |
31 MAR 98 |
29 pages |
| Authors:
David W. Etherington; David Joslin; George L. Nemhauser; GEORGIA INST OF TECH ATLANTA SCHOOL OFINDUSTRIAL AND SYSTEMS ENGINEERING
|
| The aim of this award was to exploit and enhance the differing strengths of Artificial Intelligence (AI) and Operations Research (OR) in solving hard combinatorial optimization problems, discover synergies, and so develop better solution techniques. By studying the strengths and weaknesses of the various approaches in the context of a large scale manufacturing problem, a new AI solution approach capable of producing better solutions than ... |
|
| Chains of Function Delivery: The Role for Product Architecture |
FEB 1998 |
|
| Authors:
Timothy W. Cunningham; MASSACHUSETTS INST OF TECH CAMBRIDGE
|
| This research intends to improve three areas of team performance in concept design: (1) the team's understanding and recognition of the product architecture, (2) the team's ability to document integration issues and risks, and (3) the team's ability to judge whether a product concept is worthy of further pursuit. Many of the high impact decisions made in concept design revolve around integration issues: how the product's physical elements work together ... |
|
| Assessing Cost-Reduction Initiatives in a Changing Defense Acquisition Environment: A Handbook |
JAN 1998 |
|
| Authors:
Karen W. Tyson; John R. Hiller; David E. Hunter; J. R. Nelson; James P. Woosley; INSTITUTE FOR DEFENSE ANALYSES ALEXANDRIA VA
|
| In the changing defense acquisition environment, cost analysts have been confronted with claims of significant savings from new manufacturing techniques and other cost reduction initiatives. In some cases, acquisition programs would be unaffordable without these initiatives. This handbook provides methods for assessing the realism of savings estimates from cost reduction initiatives. While the initiatives are of recent vintage, some of them have historical antecedents or have been practiced in the ... |
|
| Co-Injection Resin Transfer Molding for Optimization of Integral Armor |
1998 |
7 pages |
| Authors:
B. K. Fink; S. H. McKnight; J. W. Gillespie Jr; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD
|
| To address the cost and performance barriers which hinder the introduction of composite materials for combat ground vehicle applications, Co- Injection Resin Transfer Molding (CIRTM) and Diffusion Enhanced Adhesion (DEA) have been recently invented and developed at the Army Research Laboratory and the University of Delaware. When applied in tandem, these two composite processing technologies enable the manufacture of lightweight composite/ceramic integral armor offering significant cost-reduction and performance enhancement over ... |
|
| IMACS/IFAC International Symposium on Soft Computing in Engineering Applications (SOFTCOM '98) and the Third European Robotics, Intelligent Systems & Control Conference (EURISCON '98) |
1998 |
291 pages |
| Authors:
NATIONAL TECHNICAL UNIV ATHENS (GREECE)
|
| The Final Proceedings for Third European Robotics, Intelligent Systems and Control Conference (EURISCON 98), 22-25 June 1998. This is an interdisciplinary conference. Topics include: (1) Robotics; (2) Intelligent Systems; (3) Control; Manufacturing; and (4) MobiNet Workshop. |
|
| Generation of Mathematical Rules Governing Cellular Automata (CA) predictions of Microstructural Evolution |
SEP 1997 |
23 pages |
| Authors:
Robin W. Grimes; Peter D. Lee; Matthew O. Zacate; IMPERIAL COLL OF SCIENCE TECHNOLOGY ANDMEDICINE LONDON (UNITED KINGDOM)
|
| This report results from a contract tasking Imperial College, Department of Materials as follows: The contractor will be required to accomplish the following tasks: (1) prepare preliminary report outlining the primary direction of research and structure for interim report and (2) prepare a detailed interim report on rules governing cellular automata simulations of microstructural evolution and participate in an international forum on intelligent processing and manufacturing of materials. |
|
| Synthesis and Properties of Nine New Polyhydroxylated Surfactants |
AUG 97 |
5 pages |
| Authors:
William B. Thompson; Thomas C. Henderson; UTAH UNIV SALT LAKE CITY
|
| Much military-specific manufacturing involves complex, special purpose electro-optical and electro-mechanical systems where development and fabrication costs can't be spread across high-volume civilian products. Computer vision systems are an important enabling technology for the cost effective, flexible automation needed to produce such systems. Our work focuses on the creation of accurate and usable geometric models of manufactured objects. Such models allow for update of manufacturing processes and easy modification of existing ... |
|
| Computer Aided Design Made-to-Measure System Evaluation |
31 JUL 97 |
108 pages |
| Authors:
Carolyn Ring; SOUTHERN COLL OF TECHNOLOGY MARIETTA GA DEPT OF APPAREL AND TEXTILE
|
| Evaluation of the capabilities of commercially available Computer Aided Design (CAD) Systems for made to measure on Army and Air Force Men's Dress Coats. This report reviews the characteristics of commercially available CAD systems applicability to special measure programs. The results showed that all the objectives of computerized patterns were achievable: correct patterns could be generated quickly; cut files could be generated and garments cut; and the sewing staff could ... |
|
| Process and Cost Optimization of Aluminum Stabilized NbTi Superconducting Wire Assessment of Cladding Technologies for Aluminum Stabilized NbTi Superconducting Wire |
23 JUL 97 |
21 pages |
| Authors:
Jan Kajuch; Greg Holt; NATIONAL CENTER FOR EXCELLENCE IN METALWORKING TECHNOLOGY JOHNSTOWN PA
|
| Recent advances in the development of the aluminum stabilized NbTi superconductor have great potential for military and commercial applications such as mine sweeping and magnetic resonance imaging (MRI). Producing long, low- cost conductors requires either improving the current technology or developing new approaches to aluminum cladding and conductor forming processes. However, these cladding and forming processes should be coupled with concurrent product and process design based on material properties and ... |
|
| Development and Application of an Acoustic Waveguide Technology to in- Process Cure and in-Service Dynamic Response Monitoring of Liquid Molded Composite Armor Smart Structures |
08 JUL 97 |
44 pages |
| Authors:
Yan Li; XXSYS TECHNOLOGIES INC SAN DIEGO CA NON-DESTRUCTIVE MEASUREMENT DIV
|
| Report developed under SBIR contract: A multi-functional ultrasonic sensor has been developed for liquid molding composite materials under this SBIR program. The sensor can be used to monitor (a) the flow of the resin during resin infusion, (b) the cure of composite parts and structures during the cure process, and (c) structural dynamic responses and damages after the part is placed in service. The sensor has a low profile and ... |
|
| Ceramic/Metal Composite Circuit-Board Level Technology for Application Specific Electronic Modules (ASEMs) |
JUN 97 |
15 pages |
| Authors:
B. J. Thaler; DAVID SARNOFF RESEARCH CENTER PRINCETON NJ
|
| The quarterly progress for the Ceramic/Metal Composite Circuit-Board- Level Technology for Application Specific Electronic Modules is described in this report. Data is reported for the following tasks: Technology Transfer to Merchant Suppliers, and Fabrication and Testing of Technology Demonstration Modules. |
|
| The National Shipbuilding Research Program. 1997 Ship Production Symposium. Implementation of Integrated CAD/CAM Systems in Small and Medium Sized Shipyards: A Case Study |
APR 1997 |
20 pages |
| Authors:
Larry Mercier; Tracy Byington; Walt Senkwic; Christopher Barry; COAST GUARD BALTIMORE MD ENGINEERING LOGISTICS CENTER
|
| The Coast Guard Yard in Curtis Bay, MD implemented a PC/AutoCAD based CAD/CAM system and used it to construct a series of 15 M (49 foot) buoy tenders. Implementing CAD/CAM is primarily a management, rather than technical, challenge. Performance-Based Management Techniques were used to develop the new system as an integrated whole, controlled and documented under ISO 9001. The was cost-effective, required minimum retraining, was fully implemented in a few ... |
|
| Production of Distorted 3-3 Hydrophone Composites from Reticulated Ceramics |
27 FEB 97 |
10 pages |
| Authors:
D. A. Norris; ALFRED UNIV NY
|
| The most significant progress during this period was the completion of our first full sized (4'x4') conformable 3-3 composite array and it's delivery to Fred Geil of Northrup Grumman for testing. The array manufacture was a joint effort between Hi-Tech and Alfred University (Matt Creedon and Walter Schulze) with the next five arrays to be produced entirely by Hi-Tech Ceramics. We are still dependent on Alfred University for their poling ... |
|
| Agility Measures: Engineering Agile Systems |
FEB 1997 |
406 pages |
| Authors:
H. T. Goranson; SIRIUS BETA CORP VIRGINIA BEACH VA
|
| This report is the product of work sponsored by the Defense Advanced Research Projects Agency (DARPA) and managed by the U.S. Air Force's Manufacturing Technology Directorate. The objective of this project was to discover, understand and usefully describe formal, quantitative based metrics associated with agility in the virtual enterprise. These metrics are of the type that managers can use in making decisions. |
|
| Core Programs of High-Performance Composite Materials |
JAN 1997 |
158 pages |
| Authors:
A. Crasto; D. Anderson; R. Esterline; C. Hill; R. Kim; DAYTON UNIV OH RESEARCH INST
|
| Evaluation of composites continued from the previous contract. New modifications, thermo-oxidative stability, and hygrothermal aging of AFR700 composites were studied. E-beam curing of composites was investigated. Bridge rehabilitation using carbon-epoxy composites was demonstrated. Modeling of damage in carbon-carbon fabric-based composites expanded to include 3-D stresses and model composites testing. Double lap-shear adhesives testing successfully compared predicted and actual test damage. Damage around a hole in a composite in tension was ... |
|
| RMOSIS3 Final Report |
97 |
12 pages |
| Authors:
Wes Hansford; UNIVERSITY OF SOUTHERN CALIFORNIA MARINA DEL REY INFORMATION SCIENCES INST
|
| The Information Sciences Institute of the University of Southern California (USC/ISI) provided services to NSA through the RMOSIS3 contract in three areas: fabrication runs, software development and support, and technology development. |
|
| Ceramic/Metal Composite Circuit-Board-Level Technology for Application Specific Electronic Modules (ASEMs) |
11 DEC 96 |
37 pages |
| Authors:
B. J. Thaler; A. N. Sreeram; E. S. Tormey; P. Palanisamy; M. Liberatore; DAVID SARNOFF RESEARCH CENTER PRINCETON NJ
|
| The quarterly progress for the Ceramic/Metal Composite Circuit-Board- Level Technology for Application Specific Electronic Modules is described in this report. Data is reported for the following tasks: Technology Transfer to Merchant Suppliers, Customize LTCC-M for Specific Applications, and Fabrication and Testing of Technology Demonstration Modules. |
|
Reports by Keyword(s)
COMPUTER AIDED MANUFACTURING
