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[交流]
如果你制備這樣的銅合金球,你的文章準備怎么寫?
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» 搶金幣啦!回帖就可以得到:
+1/185
+1/87
+1/85
+1/83
+1/49
+1/40
+1/35
+1/35
+2/32
+1/30
+1/17
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+5/5
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納米壓痕測試所能得到的力學性能,相對有限,比如硬度和楊氏模量。如果有聚離子束(FIB)的話,可以切開壓痕,用EBSD觀察壓痕縱切面的塑性變形區(qū),看點陣傾轉(zhuǎn)。另外可以用FIB,還可以在壓痕下方不同部位取TEM樣品,看壓痕不同部位的位錯網(wǎng)絡,進而分析合金的變形機理。如果你對這個方向感興趣的話,可以參考如下三篇文章。 N. Zaafarani, D. Raabe, R.N. Singh, F. Roters, S. Zaefferer, Acta Materialia,Volume 54, Issue 7, April 2006, Pages 1863-1876. "Three-dimensional investigation of the texture and microstructure below a nanoindent in a Cu single crystal using 3D EBSD and crystal plasticity finite element simulations" M. Rester, C. Motz, R. Pippan, Acta Materialia,Volume 55, Issue 19, November 2007, Pages 6427-6435. "Microstructural investigation of the volume beneath nanoindentations in copper." N. Zaafarani, D. Raabe, F. Roters, S. Zaefferer,Acta Materialia,Volume 56, Issue 1, January 2008, Pages 31-42. "On the origin of deformation-induced rotation patterns below nanoindents." [ Last edited by bingan727 on 2011-12-25 at 18:47 ] |
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