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Abstract:
A screening program determined the effects of high-pressure hydrogen on selected candidate materials for advanced single crystal turbine blade applications. The alloys chosen for the investigation were CM SX-2, CM SX-4C, Rene N-4, and PWA 1480. Testing was carried out in hydrogen and helium at 34 MPa and room temperature, with both notched and unnotched single crystal specimens. Results show a significant variation in susceptibility to hydrogen environment embrittlement among the four alloys and a marked difference in fracture topography between hydrogen and helium environment specimens.
| Description: |
Technical Memorandum |
| Pages: |
15 |
| Report Date: |
AUG 84 |
| Report Number: |
D819131 |
Report Unavailable |
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