期刊
TRIBOLOGY LETTERS
卷 52, 期 3, 页码 477-484出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s11249-013-0231-x
关键词
Steel; Cavitation erosion; Strain-induced martensitic transformation
资金
- Ministry of Knowledge Economy (MKE), Republic of Korea [20101020300360] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The effects of Ni and Mn concentrations on the cavitation erosion behavior of Fe-12Cr-0.4C-xNi/Mn (x = 5, 7, and 10) alloys were investigated with respect to strain-induced gamma -> alpha' and gamma -> epsilon phase transformation. The cavitation erosion resistance of the Ni-added alloys decreased with increasing Ni concentration, whereas that of the Mn-added alloys improved with increasing Mn concentration. Also, the 7Mn-added alloy and 10Mn-added alloy, which additionally underwent the gamma -> epsilon phase transformation, had better resistance to cavitation erosion than the 5Mn-added alloy in which the gamma -> alpha' phase transformation occurs most actively. These behaviors were considered to be due to the fact that the strain-induced epsilon martensite absorbs the cavity collapse energy and prevents the damage by cavitation erosion more effectively than the strain-induced alpha' martensite.
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