Acta Metall Sin  1989, Vol. 25 Issue (2): 51-55    DOI:

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CRACK INITIATION AND STEADY PROPAGATION OF ELASTIC-PLASTIC MATERIALS IN PLANE STRESS CONDITION

ZHUANG Tao;WANG Zhongfang Central Iron and Steel Research Institute; Ministry of Metallurgical Industry; Beijing

ZHUANG Tao;WANG Zhongfang Central Iron and Steel Research Institute; Ministry of Metallurgical Industry; Beijing. CRACK INITIATION AND STEADY PROPAGATION OF ELASTIC-PLASTIC MATERIALS IN PLANE STRESS CONDITION. Acta Metall Sin, 1989, 25(2): 51-55.

Abstract References Related Articles Recommended Metrics Download:  PDF(1062KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The crack tip stress-strain fields of the elastic-plastic cracked speci-mens have been analyzed using finite element calculations, the crack initiation andsteady propagation behaviours have also been investigated by means of slip linepattern etching technique and mechanical tests. The results showed that there areHRR near field and distant field in the crack tip region, the latter depends on thespecimen configuration. The crack initiation behaviour is controlled by the singleparameter J, in contrast, the crack steady propagation is affected by the distantstrain field and can not be described by single parameter only. Key words:  plane stress      elastic-plastic material      crack propagation      steel OOCr14 Ni14Si4      Received:  18 February 1989      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/Y1989/V25/I2/51 1 Liu H W, Zhuang Tao. In: Valluri S R, Taplin D M R, Ramarao P, Knott J F, Dubey R eds., Advances in Fracture Research, Proc 6th Int Conf on Fracture, India, 2, Dec., 1984, Pergamon Press, 1984: 777 2 Liu H W, Hu W L, Kuo A S. Elastic-plastic Fracture, ASTM Second Symposium, Vol Ⅱ, Philadelphia: ASTM, 1983: 632 3 Otsuka A, Miyata T, Nishimura S, Kashiwagi Y. Eng Fract Mech, 1975; 7: 419 4 Arii M, Kashiwaya H, Yanuki T. Eng Fract Mech, 1975; 7: 551 5 Green G. Knott J F. J Mech Phys Solids, 1975; 23: 167 6 Zhuang Tao (庄韬). Acta Mechanica Sinica, 1987; 3 (1) : 73 7 Liu H W, Zhuang Tao. Int J Fract, 1985; 27: R87? 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