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Effects of strain induced martensitic transformation on the cavitation erosion resistance and incubation time of Fe-Cr-Ni-C alloys

Title
Effects of strain induced martensitic transformation on the cavitation erosion resistance and incubation time of Fe-Cr-Ni-C alloys
Author
김선진
Keywords
Cavitation erosion; Steel; Carbon; Incubation time
Issue Date
2012-12
Publisher
Elsevier Science B.V., Amsterdam.
Citation
Wear, 2012, 274-275, P.28-33
Abstract
The effect of a strain-induced martensitic transformation on the cavitation erosion resistance and incubation time of Fe-10Cr-10Ni-xC (x = 0.3, 0.4, 0.5, and 0.6 wt%) austenitic steels has been studied. As the carbon concentration increased, mass loss in the alloys also increased, while the incubation period and the amount of transformed martensite decreased. In addition, the martensite volume fraction increased with increasing testing time and reached a saturation point for each test alloy. After the saturation point was reached, the martensite volume fraction did not change throughout the remainder of the test, even though the transformed martensite phase was removed. This result indicates that new martensite phases were formed immediately after the removal of the previously formed martensite. Martensitic transformation exerts significant effects on wear resistance and incubation time by steadily absorbing the cavity collapse energy. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.
URI
https://www.sciencedirect.com/science/article/abs/pii/S0043164811005552http://hdl.handle.net/20.500.11754/48381
ISSN
0043-1648
DOI
10.1016/j.wear.2011.08.011
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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