利用透射电镜及X射线衍射仪研究了Cu-Ni-Si合金时效早期的组织转变规律.结果表明,该合金在时效早期,过饱和固溶体首先短程有序化,随后通过成分调幅形成贫、富溶质区,成分调幅过程中伴随有序反应,最终在溶质富集区内形成Ni2Si相,通过构造热力学图形,直观地解释了该合金时效早期调幅分解与有序化共存的的可能性.
参考文献
| [1] | Jin Y.;Takeuchi T.;Suzuki HG.;Adachi K. .Ageing characteristics of Cu Cr in-situ composite[J].Journal of Materials Science,1998(5):1333-1341. |
| [2] | Laughlin D D;Cahn J W .Spinodal decomposition in age hardening copper titanium[J].Acta Materialia,1975,23(03):329-339. |
| [3] | Datta A;Soffa W A .The structure and properties of age hardened Cu-Ti alloys[J].Acta Materialia,1976,24:987-995. |
| [4] | Thompson A W;Williams J C .Age hardening in Cu-2.5wt%Ti[J].Metallurgical and Materials Transactions,1984,15:931-938. |
| [5] | Rensei Futatsuka .Development of copper alloy for leadframe[J].Journal of the Japan Copper and Brass Research Association,1997,36:25-32. |
| [6] | Lockyer S A;Noble F W .Precipitate structure in a Cu-Ni-Si alloy[J].Journal of Materials Science,1994,29:218-226. |
| [7] | Hidemichi Fujiwara et al.Effect of alloy composition on precipitation behavior in Cu-Ni-Si alloys[J].Journal of the Japan Institute of Metals,1998,62(04):301-309. |
| [8] | Cao Yuwen;Ma Jusheng et al.Design of Cu-Ni-Si alloy for lead frame[J].The Chinese Journal of Nonferrous Metals,1999,9(09):723-727. |
| [9] | Lockyer S A et al.Eatigue of precipitate strengthened Cu-Ni-Si alloy[J].材料科学与工艺(英文版),1999,15(10):1147-1153. |
| [10] | 卫英慧;黄源;王笑天 .M-Ti合金时效早期相变规律的研究[J].金属热处理学报,1997,18(04):10-14. |
| [11] | 卫英慧;黄源;王笑天 等.铜钛合金调幅分解之特征[J].金属热处理学报,1997,18(02):9-13. |
| [12] | 陈国良;林均晶.物理金属学基础—有序金属间化合物结构材料[M].北京:冶金工业出版社,1999:100-116. |
| [13] | 任晓兵;王笑天 .Fe-1.83C马氏体中的有序变化[J].金属学报,1994,30(07):296-301. |
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