Acta Metall Sin  1995, Vol. 31 Issue (3): 130-134    DOI:

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EFFECT OF Bi SEGREGATION ON GRAIN BOUNDARY EMBRITTLEMENT OF Cu BICRYSTALS WITH [001] SYMMETRICAL TILT BOUNDARIES

LI Guanghai; ZHANG Lide (Institute of Solid Siate Physics; Chinese Academy of Sciences;Hefei 230031 )

LI Guanghai; ZHANG Lide (Institute of Solid Siate Physics; Chinese Academy of Sciences;Hefei 230031 ). EFFECT OF Bi SEGREGATION ON GRAIN BOUNDARY EMBRITTLEMENT OF Cu BICRYSTALS WITH [001] SYMMETRICAL TILT BOUNDARIES. Acta Metall Sin, 1995, 31(3): 130-134.

Abstract References Related Articles Recommended Metrics Download:  PDF(345KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The effect of Bi segregation at grain boundary on the fracture behaviour and grain boundary embrittlement was studied by using orientationcontrolled Cu bicrystals with [001] symmetrical tilt boundary.The results indicate that the fracture behaviour and fracture stress of Cu-Bi bicrystals depend strongly on the misorientation, and the grain boundary embrittlement is not related to the density of coincidence site lattice of the grain boundary but to the unsegregated grain boundary energy. the higher the grain boundary energy- the stronger the grain boundary embrittlement. The dependence could be explained by considering the boundary-dependent segregation of Bi atoms. Key words:  Cu bicrystal      [001] symmetrical tilt boundary      Bi segregation      fracture stress      grain boundary embrittlement      Received:  18 March 1995      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/I3/130 1FraczkiewiczA,BiscondiM．JPhysique,1985;46:C4-4972RusselJD,WinterAT．ScrMetall．1985;19:5753VitekV,WangGJ．SurfSci,1984;144:1104HondrosED．McleanD．PhilosMag．1974;29:7715LiGH．WuXJ,CaiM．QiuQ,TangQH．ScrMetallMater,1990;24:21296WuXJ,LiGH,CaiM,QiuQ．TangQH．In:WuBed．,C-MRSInterSymposiaProc1990Bejing,ElesevierSciencePublishers,1991;5:7237WhiteCL,CoghlanWA．MetallTrans．1977;8A:14038SuttonAP．BalluffiRW．ActaMetall,1987;35:2177 [1] II. Fatigue Crack Initiation and Early Growth HU Yunming; WANG Zhongang (State Key Laboratory for Fatigue and Fracture of Materials; Institute ofMetal Research; Chinese Academy of Sciences; Shenyang 110015) (Manuscript received 1996-09-12; in revised form 1997-03-07). CYCLIC DEFORMATION BEHAVIOR AND FATIGUE CRACK INITIATION IN COPPER BICRYSTALS[J]. 金属学报, 1997, 33(8): 824-830. [2] 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. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed