材料研究学报  1988, Vol. 2 Issue (6): 12-19

研究论文 本期目录 | 过刊浏览 |

金属中裂纹尖端的无位错区(DFE)

徐永波;王中光;哈宽富

中国科学院金属研究所;中国科学院金属研究所;吉林大学材料研究所

DISLOCATION-FREE ZONE AHEAD OF CRACK-TIP IN METALS

XU Yongbo;WANG Zongguang(Institute of Metal Research;Academia Sinica)HA Kuanfu(Institute of materials Research;Jilin University)

徐永波;王中光;哈宽富. 金属中裂纹尖端的无位错区(DFE)[J]. 材料研究学报, 1988, 2(6): 12-19.
, , . DISLOCATION-FREE ZONE AHEAD OF CRACK-TIP IN METALS[J]. Chin J Mater Res, 1988, 2(6): 12-19.

摘要 参考文献 相关文章 Metrics 全文: PDF(683 KB)   摘要: 本文对材料断裂研究中的裂纹尖端形变行为,特别是裂纹尖端无位错区的研究作了简要评述。其中包括:一些薄膜金属,如Al,Cu,Nb,Fe,W 和Mo 等,裂纹尖端在变形时的位错发射和无位错区存在的实验事实;裂纹尖端位错的屏蔽与反屏蔽概念的引进;材料断裂研究中无位错区模型的引进和描述;延-脆断裂转变的判据。 Abstract：This review paper presents the important results on dislocation behaviornear the crack tip during in situ deformation.It includes:Experimental ob-servations on dislocations emission from a crack-tip during deformation andthe existance of dislocation-free 收稿日期: 1988-12-25      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 徐永波 王中光 哈宽富 44.8K 链接本文: https://www.cjmr.org/CN/      或      https://www.cjmr.org/CN/Y1988/V2/I6/12 1 Ohr S M,Nayayan J.Phiols Mag A,1980;41:81 2 Kobayashi S,Ohr S M.Scr Metall,1981;15:343 3 Kobayashi S,Ohr S M.J Mater Sci,1984;19:2273 4 Horton J A,Ohr S M.J Mater Sci,1982;17:3140 5 Ohr S M.Mater Sci and Eng,1985;72:1 6 Kobayashi S,Ohr S M.Phiols Mag,1980;A42:763 7 Ohr S M,Chang S J,Thomson T.J Appl phys,1985;57:1839 8 Saka H,Zhu Y,Imura T et al.,Scr Metall,1986;20:1505 9 Ohr S M,Chang S J.J Appl Phys,1982;53:5645 10 Chang S J,Ohr S M.J Appl Phys,1981;52:7174 11 Chang S M,Ohr S M.In Ashby M F,Bullough R,Hartley C S,High J P eds.Dislocation Modelling of Physical Systems,New York,Pergamon,1981:23 12 Rice J R,Thomson R.Phiols Mag,1974;29:73 13 Ohr S M,Chang S J,Thomson T.J Appl Phys 1985;57:1839 14 Thomson R.J Mater Sci,1978;13:128 15 Weertman J.Acta Metall,1978;26:1731 16 Lung C W,Xiong L Y.Phys Star sol(a)1983;77:81 17 Li J C M,Park C G,Ohr S M.Scr Metall 1986;20:371 18 Li J C M.S.cr Metall,1986;20:1477 19 Zhao R H,Li J C M.J Appl Phys,1985;58:4117 20 Zhao R H,Li J C M.J Eng Mat Tech,1985;107:277 21 Zhao R H,Li J C M.Int J Fracture,1985;29:3 22 Li J C M.In Ashby M F et al ed.Dislocation.Modelling of Physical Systems,Pergamon,1981:498 23 Cottrell A H.In Osborn C J ed.Fracture,London:Butteruorths,1965:1 24 Majumar B S,Burns S J.Acta Metall,1981;29:579 25 Wang X H,Xu Y B,Wang Z G,Ha K F.Phys Stat Sol(a),1987;104 26 Ohr S M.Scr Metall,1987;21:1681 27 Muskihelishvil N I.Singlar Integral Equations,Groningen:Noordhoft,1953 28 Bilby B A,Eshelby J D.In Liebowitz H ed.Fracture 1,New York:Acadelmic Press,1968:99 No related articles found! Viewed Full text Abstract Cited   Shared      Discussed