Acta Metall Sin  1995, Vol. 31 Issue (21): 406-412    DOI:

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HYDROGEN INDUCED CLEAVAGE FRATURE IN Ti_3Al AND ITS MECHANISM

ZHANG Yue; CHU Wuyang; YUAN Runzhang; WANG Yanbin; OUYANG Shixi. XIAO Jimei(State Key Laboratory for Synthesis and Processing of Advanced Matericals;Wuhan University of Technology); Wuhan 430070(University of Science and Technology Beijing); Beijing 100083(Manuscript received 1994-09-28; in revised form 1995-02-23)

ZHANG Yue; CHU Wuyang; YUAN Runzhang; WANG Yanbin; OUYANG Shixi. XIAO Jimei(State Key Laboratory for Synthesis and Processing of Advanced Matericals;Wuhan University of Technology); Wuhan 430070(University of Science and Technology Beijing); Beijing 100083(Manuscript received 1994-09-28; in revised form 1995-02-23). HYDROGEN INDUCED CLEAVAGE FRATURE IN Ti_3Al AND ITS MECHANISM. Acta Metall Sin, 1995, 31(21): 406-412.

Abstract References Related Articles Recommended Metrics Download:  PDF(552KB)  Export:  BibTeX | EndNote (RIS)       Abstract  For Ti-24Al-11Nb alloy,the hydrogen induced crack (HIC) propagation was facilitated through the crack cleavage on the slip planes during dynamic hydrogen charging under either constant or alternating loading at room temperature. The discontinuous HIC was preferentially nucleated in a2-platelets. The α2/βboundaries are effective barriers to HIC nucleation and propagation. Hydrogen induces cleavage fracture by promoting the emission of dislocation at the crack tip as well as the nucleation and propagation of microcracks in the DFZ.Correspondent:(ZHANG Yue, associate professor, State Key. Laboratory .for Synthesis and Processing of Advanced Materials, Wuhan University. of Technology, Wuhan 430070) Key words:  Ti_3Al      intermetallic compound      hydrogen induced crack      mechanism      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/Y1995/V31/I21/406 1FleischerRL,DimidukDM,LipsittHA,AnnRevMaterSci,1989;19:2312StoloffNS．HydrogenEffeclsonMaterialBehavior,TheMinerial,Metals,MaterialsSocietv19903ChuWY．ThompsonAW,WilliamJC．ActaMetallMater,1992:40:454ChuWY,ThompsonAW．MetallTrans,1991;22A:715ChuWY,ThompsonAW．MetallTrans,1991;23A:12996褚武扬,肖纪美,ThompsonAW．金属学报,1992;5A:2867ChuWY,ThompsonAW,In:DasSK,BallardCPeds．,HighPerformanceCompositesforthe1990．TMS,1438ManoreE,EliezerD．ScriptMetallMater,1989;23:13139ZhangYue,WangYi,WangYB,ChuWY,HsiaoJM．ScriptMetallMater,1993;29:97510ZhangYue,WangYB,ChuWY,HsiaoJM．ScriptMetallMater,1994;30:54111张跃,王燕斌,乔利杰,堵武扬,肖纪美.金属学报,1993;29A:39812LipsittHA,ShechtmanD,SchafrikRE．MetallTrans,1980;11A:13613MinonnishiY．PhilMag,1991;63A,108514张跃,诸武扬,王燕斌,肖纪美.中国科学,1994,24A:55115李振民,周敬,刘民治.材料科学进展,1989,3:331B [1] BAI Jiaming, LIU Jiantao, JIA Jian, ZHANG Yiwen. 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