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Effects of Ni and Mn on the Cavitation Erosion Resistance of Fe-Cr-C-Ni/Mn Austenitic Alloys

Title
Effects of Ni and Mn on the Cavitation Erosion Resistance of Fe-Cr-C-Ni/Mn Austenitic Alloys
Other Titles
Mn Austenitic Alloys
Author
김선진
Keywords
Steel; Cavitation erosion; Strain-induced martensitic transformation
Issue Date
2013-12
Publisher
SPRINGER/PLENUM PUBLISHERS
Citation
TRIBOLOGY LETTERS; DEC 2013, 52, 3, p477-p484, 8p.
Abstract
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.
URI
http://link.springer.com/article/10.1007%2Fs11249-013-0231-xhttp://hdl.handle.net/20.500.11754/46372
ISSN
1023-8883; 1573-2711
DOI
10.1007/s11249-013-0231-x
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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