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FRICTION MARTENSITE AND ITS TRANSFORMATION CHARACTERISTICS ON TEMPERING |
LIU Zhengyi;FU Jian;ZHUANG Yuzhi South China University of Technology |
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Cite this article:
LIU Zhengyi;FU Jian;ZHUANG Yuzhi South China University of Technology. FRICTION MARTENSITE AND ITS TRANSFORMATION CHARACTERISTICS ON TEMPERING. Acta Metall Sin, 1989, 25(4): 36-40.
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Abstract It has been found by TEM, SEM, EPMA and X-ray diffraction thatthe microstructure of the "white layer" formed on the surface of 55SiMo steelafter friction test by sliding consists of predominately friction martensite and someaustenite. The friction martensite exhibits peculiar features differen from that ob-tained by quenching or quenching and tempering. It is nanocrystalline (~30nm) withmicrohardness (Hm489) up to 1500. It shows good corrosion resistance and hightempering stability, capable of cutting glass, without appreciably altering its micro-structure and hardness below 500℃.
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Received: 18 April 1989
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1 Любарский И М.Палатиик Л С.高彩桥译,田万钰校.摩擦的金属物理,北京:机械工业出版社,1984 2 Sasada T, Mishina H. Wear, 1981--1982; 74: 263 3 Tottance A A, Cameron A. Wear, 1974; 28: 299--311 4 Kawamoto M, Kabayashi K O. Wear, 1971; 17: 123 5 Suh N P. Wear, 1977; 44: 1--16 6 Nakajima K, Mizutani Y. Wear, 1969; 13: 283 7 刘正义,黄振宗,林鼎文.金属学报,1981;17:148 |
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