Acta Metall Sin  1998, Vol. 34 Issue (5): 545-551    DOI:

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CYCLIC DEFORMATION BEHAVIOR OF [011] MULTIPLE-SLIP-ORIENTED COPPER SINGLE CRYSTALSCyclic Stress-Strain Response

LI Xiaowu; WANG Zhongguang; SUN Shouguang; WU Shiding;LI Shouxin;LI Guangyi (State Key Laboratory for Fatigue and Fracture of Materials; Institute of Metal Research; The Chinese Academy of Sciences; Shenyang 110015)(Department of Mechanical Engineering; Northern Jiaotong University; Beijing 100044)

LI Xiaowu; WANG Zhongguang; SUN Shouguang; WU Shiding;LI Shouxin;LI Guangyi (State Key Laboratory for Fatigue and Fracture of Materials; Institute of Metal Research; The Chinese Academy of Sciences; Shenyang 110015)(Department of Mechanical Engineering; Northern Jiaotong University; Beijing 100044). CYCLIC DEFORMATION BEHAVIOR OF [011] MULTIPLE-SLIP-ORIENTED COPPER SINGLE CRYSTALSCyclic Stress-Strain Response. Acta Metall Sin, 1998, 34(5): 545-551.

Abstract References Related Articles Recommended Metrics Download:  PDF(696KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Cyclic deformation behavior of [011] multiple-slip-oriented copper single crystals was investigated with the plastic resolved shear strain amplitudes (γp1) in the range of 1.1 × 10-4 - 7.2× 10-3. It is shown that the cyclic deformation behavior of [011] copper single crystal is quite different from that of [001] and [111] multiple-slip-oriented crystals. [011] crystals exhibit rather low initial hardening rate, which does not increase notably even under higher plastic strain amplitudes. The cyclic stress-strain curve (CSSC) of [011] crystal shows a plateau region over the range of 1.1 × 10-4 - 7.2 × 10-3. The occurrence of plateau region in CSSC is mainly determined by the slip characteristics and the corresponding dislocation reactions in the crystal. Moreover,the hysteresis loop shape parameter VH could be efficiently employed to determine the nucleation stress of PSBs in [011] multiple-slip-oriented copper single crystal. Key words:  [011] multiple-slip-oriented copper single crystal      cyclic deformation      hysteresis loop      plateau region in CSSC      Received:  18 May 1998      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1998/V34/I5/545 1Basinski Z S, Basinski S J Pine Mater Sci, 1992; 36: 89 2Chung Y D, Margolin H. Metall Trans, 1973; 4: 1905 3Lepisto T K, Kettunen P O Mater Sci Eng, 1986 83: 1 4Villechaise P, Mendez J, Violan P. Acta Metall Mater, 1991; 39: 1683 5Jin N Y, Winter A T Acta Metall, 1984; 32: 1173 6Gong B,Wang Z R,Wang Z G.Acta Mater,1997;45:1365 7Wang Z R; Gong B, Wang Z G. Acta Mater, 1997 45: 1379 8Jin N Y.Philos Mag Lett,1987;56:23 9Gong B, Wang Z R, Wang Z G, Zhang Y W. 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[11] (LI Xiaowu; WANG Zhongguang; SUN Shouguang; WU Shiding; LI Shouxin;LI Guangyi (State Key Laboratory for Fatigue and Fracture of Materials; Institute of Metal Research; The Chinese Academy of Sciences; Shenyang 110015)(Department of Mechanical Engineering; Northern Jiaotong University; Beijing 100044). CYCLIC DEFORMATION BEHAVIOR OF [011]MULTIPLE-SLIP-ORIENTED COPPER SINGLE CRYSTALS Ⅱ. Surface Slip Features and Deformation Bands[J]. 金属学报, 1998, 34(5): 552-560. [12] I. Cyclic Deformation Behavior and Slip Morphology HU Yunming; WANG Zhongguang (State Key Laboratory for Fatigue and Fracture of Materials; Institute of Metal Research; Chinese Academy ofSciences; Shenyang 110015) (Manuscript received 1996-09- 12; in revised form 1997-03-07). CYCLIC DEFORMATION BEHAVIOR AND FATIGUE CRACK INIT1ATION IN COPPER BICRYSTALS[J]. 金属学报, 1997, 33(8): 814-823. [13] WU Jiansheng; LIN Dangling(Shanghai Jiaotong University; Shanghai 200030)(Manuscript received 1995-10-04). 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