对含有退火孪晶的多晶铜进行了不同塑性应变幅下的应变疲劳实验,利用扫描电镜及其电子通道衬度技术(SEM-ECC)观察了表面滑移形貌、疲劳裂纹和位错组态,研究了驻留滑移带与晶界和孪晶界的交互作用.结果表明,在晶界附近和远离晶界处观察到位错组态分布的不均匀现象.这种不均匀性导致多晶铜中疲劳裂纹首先沿着普通大角晶界开裂,在孪晶界处由于应变相容性较好而难以产生疲劳裂纹.
参考文献
| [1] | S.Suresh,Fatigue of Materials,Translated by WANG Zhongguang,(Beijing,The National Defence Industry Press,1993) p.109(S.Suresh 著,王中光译,材料的疲劳,(北京,国防工业出版社,1993)p.109) |
| [2] | U.Essmann,H.Mughrabi,Phil.Mag.,A44,405(1981) |
| [3] | W.-H.Kim,C.Laird,Acta Metall.,26,789(1978) |
| [4] | H.Mughrabi,R.Wang,K.Differt,U.Essmann,ASTM,Special Technical Publication,811,5(1983) |
| [5] | H.-J.Burmeister,R.Richter,Acta Mater.,45,709(1997) |
| [6] | Z.F.Zhang,Z.G.Wang,Y.M.Hu,Mater.Sci.Eng.,A269,136(1999) |
| [7] | Z.F.Zhang,Z.G.Wang,Y.M.Hu,Mater.Sci.Eng.,A272,412(1999) |
| [8] | Z.F.Zhang,Z.G.Wang,Phil.Mag.Lett.,80,483(2000) |
| [9] | Z.F.Zhang,Z.G.Wang,J.Eckert,J.Mater.Res.,18,1031(2003) |
| [10] | Z.F.Zhang,Z.G.Wang,Acta Mater.,51,347(2003) |
| [11] | L.Lu,Y.F.Shen,X.H.Chen,L.H.Qian,K.Lu,Science,304,422(2004) |
| [12] | V.Randle,Acta Mater.,47,4187(1999) |
| [13] | V.Randle,Acta Mater.,52,4067(2004) |
| [14] | P.Neumann,A.Tonnessen,Strength of Metals,(Eds by P.-O.Kettunen,T.-K.Lepisto,M.-E.Lehtonen),vol.1,743(1988) |
| [15] | C.Blochwitz,W.Tirschler,Mater.Sci.Eng.,A339,318(2003) |
| [16] | S.Y.Liu,S.C.Liu,D.Y.Liu,J.Mater.Sci.,39(8),2841(2004) |
| [17] | D.L.Dividson,Inter.Metals Rev.,29,75(1984) |
| [18] | R.Zauter,F.Petry,M.Bayerlein,C.Sommer,H-J.Christ,H.Mughrabi,Phil.Mag.,A66,425(1992) |
| [19] | D.Melisova,B.Weiss,R.Stickler,Scripta Mater.,36,1061(1997) |
| [20] | A.Schwab,J.Bretschneider,C.Buque,C.Blochwitz,C.Holste,Phil.Mag.Lett.,74,449(1996) |
| [21] | ZHANG Zhefeng,Cyclic Deformation Behavior and Fatigue Damage Mechanism of Copper Bicrystals,Ph.D.Dissertation,Institute of Metal Research,Chinese Academy of Sciences(1998)(张哲峰,铜双晶体的循环形变行为与疲劳损伤机制,博士学位论文,中国科学院金属研究所(1998)) |
| [22] | JIA Weiping,Cyclic Deformation Behavior of Copper Tricrystals,Ph.D.Dissertation,Institute of Metal Research,Chinese Academy of Sciences(1999)(贾维平,铜三晶体的循环形变行为,博士学位论文,中国科学院金属研究所(1999)) |
| [23] | A.Vinogradov,S.Hashimoto,Adv.Eng.Mater.,5,351(2003) |
| [24] | H.Mughrabi,Mater.Sci.Eng.,33,207(1978) |
| [25] | GUO Xiaolong,SHEN Yongfeng,LU Lei,LI Shouxin,Acta Metall.Sinica,40(12),1281(2004)(郭小龙,申勇峰,卢磊,李守新,金属学报,40(12),1281(2004)) |
| [26] | Z.F.Zhang,Z.G.Wang,Phil.Mag.,A81,399(2001) |
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