循环变形铜单晶体中宏观形变带形成机制研究的新进展

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李小武
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1 李守新 已出版文章查询
李守新
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1 王中光 已出版文章查询
王中光
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1中国科学院金属研究所材料疲劳与断裂国家重点实验室,沈阳,110015


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系统研究了循环变形铜单晶体中的宏观形变带的产生规律和特征以及相应的位错结构,并对其形成机制进行了综合探讨.结果表明,形变带的形成可能与循环加载中产生的晶体不可逆旋转和宏观应力状态密切相关.对于不同取向铜单晶体,形变带可能具有很不相同的位错结构.

[1] Saletore M .Role of deformation bands in fatigue crack nucleation and propagation in copper crystals[J].Materials Science and Engineering,1978,36:259-270.

[2] Barrett C S;Levenson L·H .The structure of Aluminum after compression[J].Transactions of the Metallurgical Society of AIME,1939,137:112-149.

[3] Cahn R W J .Slip and polygonization in Aluminum[J].Inst Met,1950,79:129-158.

[4] Honeycombe R K W .Inhomogeneities in the plastic deformation of metal crystals -Ⅰ -Ⅱ[J].Journal of the Institute of Metals,1951,80:45-56.

[5] Calnan E A .Lane Asterism and deformation bands[J].Acta Crystallographica,1952,5:557-563.

[6] Gostelow C R .Some observations on fatigue in copper single crystals[J].Metal Science Journal,1971,5:177-181.

[7] Mughrabi H .The cyclic hardening and saturation behaviour of copper single crystals[J].Materials Science and Engineering,1978,33:207-223.

[8] Gong B.;Zhang YW.;Wang ZG. .THE CYCLIC DEFORMATION BEHAVIOR OF CU SINGLE CRYSTAL ORIENTED FOR DOUBLE SLIP[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1995(2):171-178.

[9] Gong B;Wang Z R;Wang Z G .Cyclic deformation behavior and dislocation structures of [001 ] copper single crystals - Ⅰ cyclic stress strain response and surfaco feature[J].Acta Materialia,1997,45(04):1365-1377.

[10] Li S X;Gong B;Wang Z G .On the formation of deformation bands in fatigued copper single crystal with double slip[J].Gong B and Wang Z G,1994,31(12):1729-1734.

[11] Li XW;WangZ G;LiGY;WuS D. and LiS X .Cyclic stressstrain response and surface deforamtion features of [011 ] multiple- slip -oriented copper single crystals[J].Acta Materialia,1998,46(13):4497-4505.

[12] Li X W;WangZ G;Li S X .Cyclic deformation behavior of double - slip - oriented copper single crystals Ⅰ coplanar double slip orientation on 011 - 111 side in the stereographic triangle[J].Materials Science and Engineering,1999,A260:132-138.

[13] Li X W;Wang Z G;Li S X .Cyclic deformation behavior of double - slip - oriented copper single crystals Ⅱ critical double slip orientation on 001 -011 side in the stereographic triangle[J].Materials Science and Engineering,1999,A265:18-24.

[14] Li X W;Wang Z G;Li S X .Cyclic deformation behavior of double - slip - oriented copper single crystals Ⅲ conjugate double slip orientation on 011 - 111 side in the stereographic triangle[J].Materials Science and Engineering,1999,A269:166-174.

[15] LiX W;Wang Z G;Li S X .Survey of plateau behavior in the cyclic stress - strain curve of copper single crystals[J].Philosophical Magazine Letters,1999,79(09):715-719.

[16] Li X W;Wang Z G;Li S X .Influence of crystallographic orientation on cyclic strain- hardening behaviour of copper single crystals[J].Philosophical Magazine Letters,1999,79(11):869-875.

[17] Vorren O;Ryum N .Cyclic deformation of single crystals: effect of the crystallolgraphicorientation[J].Acta Materialia,1988,36(06):1443-1453.

[18] 宫波;王中光;张轶伟;李广义, 张天宜 .双滑移取向Cu单晶的循环形变行为[J].金属学报,1994,30(10):439-447.

[19] Crocker A G;Abell J S .The crystallography of deformation kinking[J].Philosophical Magazine,1976,33(02):305-310.

[20] Zhai T;Martin J W;Briggs G A D. and Wilkinson A J .Fatigue damnage at room temperature in Aluminum single crystals - Ⅲ lattice rotation[J].Acta Materialia,1996,44(09):3477-3488.

[21] Li XW;HuYM;WangZ G .Investigation of dislocation structure in a cyclically deformed copper single crystal using electro channeling contrast technique in SEM[J].Materials Science and Engineering,1998,A248:299-303.

[22] Reid C N.Deformation Geometry for Materials Scientists[M].Oxford,Newyork,Toronto,Sydney and Braunschweig:Pergamon Press,1973:123-129.

[23] Bo Gong;Zhirui Wang;Daolun Chen;Zhongguang Wang .Investigation of macro deformation bands in fatigued [001] Cu single crystals by electron channeling contrast technique[J].Scripta materialia,1997(10):1605-1610.


DOI: http://dx.doi.org/10.3969/j.issn.1006-6055.2000.01.006

语种: 中文   

基金国家自然科学基金(59971058,19392300-4)

关键词铜单晶体 循环形变 形变带 晶体旋转 位错结构


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