铜基大块非晶合金Cu52.5Ti30Zr11.5Ni6与Cu53.1Ti31.4Zr9.5Ni6(at%)具有高的抗压缩断裂强度(σc,f),分别为2212MPa和2184MPa:断裂伸长率(εc,f)分别为2.1%和2.2%.断口微观形貌分析表明,Cu基大块非晶合金具有3种不同类型的微观形貌,分别与断口的3个断裂扩展区域相对应.由于断裂沿着2个不同方向进行,条带型脉状网络的产生,使得Cu基非晶具有高的抗压缩断裂强度.
参考文献
[1] | Lin X H;Johnson W L .[J].Journal of Applied Physics,1995,78:6514. |
[2] | Inoue A;Zhang W;Zhang T et al.[J].Acta Materialia,2001,49:2645. |
[3] | Yu P;Bai HY;Tang MB;Wang WL .Excellent glass-forming ability in simple Cu50Zr50-based alloys[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2005(14/15):1328-1332. |
[4] | Xu D H;Duan G;Johnson W L .[J].Physical Review Letters,2004,92:245504. |
[5] | 杨英俊,孙剑飞,李永泽,孙继库,沈军.二元共晶比例法制备铜基大块非晶合金[J].中国有色金属学报,2005(08):1179-1183. |
[6] | 武晓峰,张海峰,胡壮麒.W丝增强含Co锆基非晶复合材料的变形行为与力学性能[J].稀有金属材料与工程,2005(06):863-866. |
[7] | Xing LQ;Schultz L;Eckert J .Deformation mechanism of amorphous and partially crystallized alloys[J].Nanostructured Materials,1999(1/4):503-506. |
[8] | Zhang Z F;Eckert J;Schultz L .[J].Acta Materialia,2003,51:1167. |
[9] | Johnson W L .[J].MRS Bulletin,1999,10:42. |
[10] | Liu C T;Heatherly L;Easton D S et al.[J].Metallurgical and Materials Transactions,1998,29A:1811. |
[11] | Tabachnikova E;Bengus et al.[J].Materials Science Forum,2000,343-346:197. |
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%