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Abstract:
The effects of additives on the tribological behavior of 1045 steel in NaCl and H2SO4 solution was investigated; four substances (K2Cr2O7, sodium dodecyl benzene sulphonate (SDBS), (CH2)6N4 and IMC-5) were used in both solutions as additives to control the corrosive wear loss of specimen; a pin-on- ring wear appparatus and a rotating scratching device with a speed regulator were designed and manufactured for the investigation of steady and transient corrosive wear process; the dependences of friction coefficient and wear loss of specimen vs. load and speed in both aggressive media with or without additives were determined and the morphology of wear tracks was observed by scanning electron microscopy; in order to explain the effect of additives on corrosive wear, the re-formation rate of the passive film and the effect of additives on polarization curves were also determined for the same testing condition; the results show that the roles of additives in corrosive wear can be divided into three types in reducing material removal: (a) as the lubricating additive in a heavy duty and mild corrosive medium (SDBS); (b) as the corrosive inhibitor in a low duty and severe aggressive medium (K2Cr2O7 and (CH2)6N4); (c) as the corrosive wear inhibitor in serious situations (IMC-5).
| Description: |
Journal article |
| Pages: |
11 |
| Report Date: |
91 |
| Report Number: |
D755441 |
Report Unavailable |
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