EFFECT OF REVERT RECYCLE TIMES ON MICROSTRUCTURE AND FATIGUE PROPERTIES IN COBALT BASE SUPERALLOY K640S
TL Wang ,
JT Guo ,
DS Xia ,
YWang ,
HC Yang Institute of Metal Research ,
Chinese Academy of Science ,
Shenyang ,
China Material ,
Metallurgical Institute Northeastern University ,
Shenyang ,
China ,
,
J.T. Guo ,
D.S. Xia ,
Y.Wang and H.C. Yang Institute of Metal Research ,
Chinese Academy of Science ,
Shenyang ,
China Material and Metallurgical Institute Northeastern University ,
Shenyang Keywords: revert ,cobalt-base superalloy ,thermal fatigue ,low cycle fatigue ,microstructure
Abstract:
１．ＩｎｔｒｏｄｕｃｔｉｏｎＡｍｏｎｇｔｈｅｃｏｍｐｏｎｅｎｔｓｏｆｔｕｒｂｉｎｅ，ｔｈｅｇｕｉｄｅｂｌａｄｅｅｎｄｕｒｅｓｔｈｅｈｉｇｈｅｓｔｔｅｍｐｅｒａｔｕｒｅｂｅｃａｕｓｅｉｔｉｓｉｍｐａｃｔｅｄｄｉｒｅｃｔｌｙｂｙｔｈｅｅｊｅｃｔｉｎｇｇａｓｆｒｏｍｔｈｅｃｏｍｂｕｓｔｉｏｎｒｏｏｍ．Ｔｈｅｔｅｍｐｅｒａｔｕｒｅｏｆｆｕｅｌｇａｓｉｓｆｌｕｃｔｕａｎｔａｎｄｔｈｅｇｕｉｄｅｂｌａｄｅｓｏｆｔｅｎｃｒａｃｋｂｅｃａｕｓｅｏｆｔｈｅｔｈｅｒｍａｌｆａｔｉｇｕｅｓ．Ｓｏ，ｔｈｅｍａｔｅｒｉａ…
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