Acta Metall Sin  1998, Vol. 34 Issue (10): 1055-1060    DOI:

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AN EXPERIMENTAL STUDY ON THE NONPROPORTIONAL CYCLIC PLASTIC DEFORMATION BEHAVIOUR OF PURE COPPER

YANG Xianjie; GAO Qing; XIANG Yangkai; CAI Lixun(Institute of Applied Mechanics; Southwest Jiaotong University; Chengdu 610031)Correspondent: YANG Xianjie;professor;Tel: (028)7602570;Fax:(028)7600797;E-mail: iam@center2.swjtu.edu.cn

YANG Xianjie; GAO Qing; XIANG Yangkai; CAI Lixun(Institute of Applied Mechanics; Southwest Jiaotong University; Chengdu 610031)Correspondent: YANG Xianjie;professor;Tel: (028)7602570;Fax:(028)7600797;E-mail: iam@center2.swjtu.edu.cn. AN EXPERIMENTAL STUDY ON THE NONPROPORTIONAL CYCLIC PLASTIC DEFORMATION BEHAVIOUR OF PURE COPPER. Acta Metall Sin, 1998, 34(10): 1055-1060.

Abstract References Related Articles Recommended Metrics Download:  PDF(604KB)  Export:  BibTeX | EndNote (RIS)       Abstract  An experimental study was carried out on the cyclic properties of pure coppersubject to nonproportional cyclic loading.The biaxial nonproportional cyclic strap testsfor circular and rhombic strain paths, and the cyclic cachetting tests for four nonpmportinnalcyclic paths with mean stresses were conducted. The operiment shows that the evolutionsof plastic strain rate direction and plastic modulus depend strongly on the shape aam equivaleatstrain amplitude of the strain path, and the nonproportional cyclic rstchetting behaviour dependssiedcatly on the shape and the amplitude, the mean stress and the mean stress history ofloading path. Key words:  ratchetting      cyclic plasticity      pure copper      strain      stress      Received:  18 October 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/I10/1055 1 Lamba H S,Sidebottom O M.ASME J Eng Mater Technol,1978;100:96 2 Ohashi Y,Tanaka E,Ooka M.ASME J Eng Mater Technol,1985;107:286 3 杨显杰,高庆,孙训方.航空学报,1994;15:1261(Yang X J, Gao Q, Sun X F. Aata Aeronaut Astronatut Sin, 1994; 15: 1261) 4 Doong S H, Socie D F, Robertson I M.ASME J Eng Aater Technol, 1990; 112: 456 5 高庆,何国求,杨显杰,孙训方,蔡力勋.见:庄逢甘,余寿文,白以龙,武际可主编,现代力学与科技进步大会论文集 (第三卷),北京:清华大学出版社,1997:1305 (Gao Q. He G Q, Yeq X J, Sun X F, Cai L X. In: Zhueq F G, Yu S W, Bai Y L, Wu J K eds, Pine Conf on Modern Mechanics and Progress of Science and Technology,Vol.3,Beijing;Tsinghua University Press, 1997:1305) 6 杨显杰,高庆,何国求,蔡力勋.金属学报,1996;32:15(Yang X J, Gao Q, He G Q, Cai L X. 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