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nhgyj(½ð±Ò+1):лл²ÎÓë
nhgyj(½ð±Ò+1): 2011-12-25 20:41:33
nhgyj(½ð±Ò+1):лл²ÎÓë
nhgyj(½ð±Ò+1): 2011-12-25 20:41:33
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2Â¥2011-12-08 14:10:32
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aishan(½ð±Ò+1): ¸Ðл½»Á÷ 2011-12-09 20:44:14
nhgyj(½ð±Ò+1): ºÃ 2011-12-13 20:18:20
nhgyj(½ð±Ò+1): 2011-12-25 20:41:21
nhgyj(½ð±Ò+1):лл²ÎÓë
aishan(½ð±Ò+1): ¸Ðл½»Á÷ 2011-12-09 20:44:14
nhgyj(½ð±Ò+1): ºÃ 2011-12-13 20:18:20
nhgyj(½ð±Ò+1): 2011-12-25 20:41:21
|
http://www.synl.ac.cn/org/non/zu ... JMR20(2005)2910.pdf Refractory Mo¨CSi-based glassy alloy designed for ultrahigh strength and thermal stability X.Q. Zhang and W. Wang Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, People¡¯s Republic of China E. Ma Department of Materials Science and Engineering, The Johns Hopkins University, Baltimore, Maryland 21218 J. Xua) Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, People¡¯s Republic of China (Received 22 March 2005; accepted 12 May 2005) Mechanically alloyed Mo44Si26Ta5Zr5Fe3Co12Y5 multicomponent glassy alloy exhibits an exceptionally high glass transition temperature of 1202 K and a crystallization temperature of 1324 K, as well as an ultrahigh hardness of 18 GPa. This example is used to demonstrate metallic glasses that possess extraordinary thermal stability and ultrahigh strength and, at the same time, a wide supercooled liquid region (122 K) that is needed for processing into bulk forms through powder metallurgy routes. |
3Â¥2011-12-09 20:07:26













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