研究了Mn和Zr对新型Al-Mg-Si-Cu合金的显微组织和机械性能的影响,并采用XRD,EDAX和TEM分析了合金中析出相的类型和成分.结果表明:单独添加Zr,合金的强度降低,塑性提高;复合添加0.3%Mn和0.08%Zr,合金-T6的组织中出现了大量的粒状或条状AlCrMnFeSi相,合金的强度和塑性均有所提高;继续增加Mn和Zr的含量,由于合金中时效强化相--Mg2Si数量的显著减少和粗大AlCrMnFeSi相的增加,造成合金性能下降.
参考文献
| [1] | Rendings K H .[J].Materials Science Forum,1997,242:11. |
| [2] | Uchida H;Yoshida H;Hira H;Amano T .[R].Sumtomo Light Metal Technical Reports,1997,38:37. |
| [3] | BERGSMA S C;Gralg S .High Strength Mg-Si Type Aluminum Alloy[P].EuropeanPatent 95105316.4,1995. |
| [4] | Bergsma S C;Kassner M E .[J].Materials Science Forum,1996,1:217-222. |
| [5] | Thanaboonsombut B;Sanders T H .[J].Metallurgical and Materials Transactions,1997,28A:2137. |
| [6] | Zajac S;Hutchinson B;Johansson A;Gullman L O .[J].Materials Science and Technology,1994,10:323. |
| [7] | 罗丰华,张久兴,陈嘉砚,尹志民,左铁镛.微量Zr,Cr对Cu13Zn合金力学性能的影响[J].稀有金属材料与工程,2001(02):145-148. |
| [8] | 余琨,李松瑞,黎文献.过渡金属Fe,Ni,Sc,Zr对2618铝合金组织和性能的影响[J].稀有金属材料与工程,2000(03):177-181. |
| [9] | Kanno M;Ou B L .[J].MATERIALS TRANSACTIONS,1991,32(05):445. |
| [10] | Kanno M;Suzuki H;Itoi K .[J].Japanese Journal of Institute of Light Metals(Japan),1986,36:616. |
| [11] | Jeniski R A .[J].Materials Science and Engineering,1997,237A:52. |
| [12] | Tanihata H;Matsuda K;Ikeno S .[J].Japanese Journal of Institute of Light Metals(Japan),1997,47:515. |
| [13] | Jeniski R.A.;Sanders T.H. .The Effect of Iron and Manganese on the Recrystallization Behavior of Hot-Rolled and Solution-Heat-Treated Aluminum Alloy 6013[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,1996(1):19-27. |
| [14] | Dunwoody B J;Moore D M;Thomas A T .[J].Journal of the Institute of Metals,1973,101:273. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%