| PRECIPITATION IN A Cu-BASED SMA |
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| 作者姓名： | Chang Fenglian Wang Shidong Wang Yurui Zhao Liancheng |
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| 作者单位： | Analytical and Testing Center，Southeast University，Manjing 210018 |
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| 摘 要： | ＰＲＥＣＩＰＩＴＡＴＩＯＮＩＮＡＣｕ－ＢＡＳＥＤＳＭＡＣｈａｎｇ；ＦｅｎｇｌｉａｎＷａｎｇ；ＳｈｉｄｏｎｇＷａｎｇ；ＹｕｒｕｉＺｈａｏ；Ｌｉａｎｃｈｅｎｇ（ＡｎａｌｙｔｉｃａｌａｎｄＴｅｓｔｉｎｇＣｅｎｔｅｒ，ＳｏｕｔｈｅａｓｔＵｎｉｖｅｒｓｉｔｙ，...
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PRECIPITATION IN A Cu-BASED SMA |
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| Chang, Fenglian Wang, Shidong Wang, Yurui Zhao, Liancheng.PRECIPITATION IN A Cu-BASED SMA[J].Transactions of Nonferrous Metals Society of China,1995(1). |
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| Authors: | Chang Fenglian Wang Shidong Wang Yurui Zhao Liancheng |
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| Abstract: | The morphology , composition and crystal structure of the precipitation in a Cu-Zn-Al-Mn-Ni-Ti shape memory alloy have been studied. The results indicated that there were two different second phase particles in the as-quenched microstructure : a large irregular-shaped X_L phase and a fine dispersed X_S phase, both of which were ordered L2_1 b. c. c. structure with the composition(CuNiFe)_2 TiAl. For the case of X_S, the lattice parameter a(X_S)=0. 5879 nm. With low solution-treatment temperature and short treatment time, the X_S phase was fine dispersed and coherent to the matrix , nevertheless , the coherency would be destroyed by the growth of X_S phase as treatment temperature and time increasing. |
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| Keywords: | crystal structure shape memory second phase |
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