OALib Journal期刊
ISSN: 2333-9721
费用：99美元

投递稿件

查看量	下载量

WC-Co合金微裂纹形核过程的探讨

, PP. 521-526

Full-Text Cite this paper Add to My Lib

Abstract:

本文通过对疲劳变形试样的扫描和透射电镜观察,探讨了WC-Co系硬质合金中微裂纹形核过程及其与微结构的关系,说明了WC晶粒中运动位错与亚晶界及WC/WC晶界的交割,以及位错在两种内界面附近的堆积是微裂纹形核的起因。减小WC的亚结构尺寸有利于提高合金的使用性能。

References

[1]	1 Suzuki H, Hayashi K. Trans Jpn Inst Met, 1975; 16: 353
[2]	2 Suzuki H, Tanase T. Planseeber Pulvermetall, 1976; 242: 71
[3]	3 Roebuck B, Almond E A. Recent Advances in Hardmetal Production(Proc. Conf.), Loughborough University of rech. and Metall Powder Report, Vol. 2, 1979: 28
[4]	4 Chermant J L, Osterstock F. J Mater Sci, 1976; 11: 1939
[5]	5 Engel U, Huebner H. J Mater Sci. 1978; 13: 2003
[6]	6 Johannesson T, Lehtinen B, Philos Mag, 1971; 24: 1079
[7]	7 Hagege S, Nouet G, Delavignette P. Phys Status Solidi(a), 1980; 61: 675
[8]	8 Chermant J L, Deschanvres A, Osterstock F. Powder Metall, 1977; 2: 63
[9]	9 Gurland J. Jernkontorets Ann, 1963; 4: 147
[10]	10 宋士泓,刘武,李健纯.理化检验,物理分册,1987;23(1) :28
[11]	11 Jayaram V, Sinclair R, Rowcliffe D J. Acta Metall, 1983; 31: 373

Contact Us

service@oalib.com

WhatsApp +8615387084133