|
OALib Journal期刊
ISSN: 2333-9721
费用：99美元
|
|
|
|
全层状结构的γ-TiAl中裂纹扩展的TEM原位观察
, PP. 1233-1236
Keywords: PST晶体,TiAl合金,断裂机制,TEM,裂纹扩展
Abstract:
本文采用ＴＥＭ原位拉伸技术研究了处于不同取向的全层状结构的Ｔｉ－４９％Ａｌ（原子分数）合金（ＰＳＴ晶体）的断裂机制,结果表明ＰＳＴ晶体裂纹萌发及扩展机制强烈依赖于ＰＳＴ晶体的晶体学取向,裂纹尖端位错发射能力的不同和界面的约束是造成不同取向ＰＳＴ晶体具有不为断裂机制的根本原因.
| [1] | Kim Y W, Dennis M, Dimiduk D M. JOM, 1991: 4D(陈明伟,林栋梁,陈达,金属学报,1994;30:A416)
|
| [2] | Yamaguchi M, Inui H. In: Darolia R, Lewandowshi J J, Liu CT. Structural lutermetallics, Champion, Pennsylvania: TheMinerals, Matals and Materials Society, 1993: 127
|
| [3] | Kim Y W. Metall Mater Trans, 1994; 25A: 1217
|
| [4] | Chen M W, Lin D L, Chen D. Acta Mater Sin, 1994; 30:(陈明伟,林栋梁,陈达,汪德宁 中国有色金属学报,1997;7:67)
|
| [5] | Chen M W, Lin D L, Chen D. Trans Nonferrous Met SocChin, 1997; 7: 67
|
| [6] | Lu Y H, Zhang Y G, Chen C Q. Scr Mater, 1998; 39: 1243
|
| [7] | Zhe J. Philos Mag, 1995; 70A: 1201
|
| [8] | Chu W Y. A Basic introduction To Fracture Mechanics. Beijing: Science and Technology Press, 1979: 4(楮武扬 断裂力学基础 北京:科学技术出版社,1979:4)
|
| [9] | Yososhima S, Yamaguchi M. Acta Mater, 1996; 44: 873
|
| [10] | Schfrik R E. Metall Trans, 1977; SA: 1003
|
| [11] | Gao K W, Chu W Y, Wang Y B. Sci Chin, 1994; 24A: 993(高克玮,楮武扬,王燕斌 中国科学,1994;24A:993)
|
| [12] | Zhu T, Yang W, Guo T. Acta Mater, 1996; 44: 3049
|
| [13] | Lu Y H, Zhang Y G, Qiao L J, Wang Y B, Chen C Q, ChuW Y. Acta Mechan Sin, in Press
|
| [14] | Smith E. Acta Metall, 1966; 14: 985, 991
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|
