TEM study of microcrack nucleation and propagation for 310 stainless steel

被引：0
|
作者：
Li, HQ [1 ]
Chen, QZ [1 ]
Huang, YZ [1 ]
Wang, YB [1 ]
Chu, WY [1 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Appl Sci, Beijing 100083, Peoples R China
来源：
JOURNAL OF UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING | 1998年 / 5卷 / 02期
关键词：
310 stainless steel; in situ TEM tension; dislocation free zone; initiation of nanocrack;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
TEM in situ tensile tests of 310 stainless steel show that a dislocation free zone (DFZ) forms if the displacement keeps constant after dislocations are emitted from a crack tip. The elastic DFZ is gradually thinned and the stress in the DFZ will reach the cohesive strength, resulting in nucleation of nanocracks in it and their bluntness into voids. If continuously tensioning, the inhomogeneously thinning ahead of the crack tip, initiating and connecting of microcracks or microvoids will be observed rather than a DFZ, nanocracks' initiation and bluntness into voids. The inverse pile-up ahead of a loaded crack tip can move back to the crack tip when unloading.
引用
收藏
页码：100 / 103
页数：4
相关论文
共 50 条
  • [1] TEM study of microcrack nucleation and propagation for 310 stainless steel
    UST Beijing, Beijing, China
    J Univ Sci Technol Beijing Eng Ed, 2 (100-103):
  • [2] TEM Study of Microcrack Nucleation and Propagation for 310 Stainless Steel
    Hongqi Li Applied Science School UST Beijing Beijing ChinaQizhi Chen Applied Science School UST Beijing Beijing ChinaYizhong Huang Applied Science School UST Beijing Beijing ChinaYanbin Wang Applied Science School UST Beijing Beijing ChinaWuyang Chu Applied Science School UST Beijing Beijing China
    北京科技大学学报, 1998, (03) : 223 - 223
  • [3] In situ TEM observation of microcrack nucleation and propagation in pure tin solder
    Ding, Y
    Wang, CQ
    Li, MY
    Wang, WQ
    MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 2006, 127 (01): : 62 - 69
  • [4] IN-SITU TEM OBSERVATIONS OF NUCLEATION AND BLUNTNESS OF NANOCRACKS IN THIN-CRYSTALS OF 310-STAINLESS-STEEL
    CHEN, QZ
    CHU, WY
    WANG, YB
    HSIAO, CM
    ACTA METALLURGICA ET MATERIALIA, 1995, 43 (12): : 4371 - 4376
  • [5] HYDROGEN-INDUCED VOID NUCLEATION OF 310-STAINLESS-STEEL
    JIANG, XG
    CHU, WY
    XIAO, JM
    ACTA METALLURGICA ET MATERIALIA, 1995, 43 (10): : 3727 - 3732
  • [6] Microcrack nucleation, growth, coalescence and propagation in the fatigue failure of a powder metallurgy steel
    Kabatova, M.
    Dudrova, E.
    Wronski, A. S.
    FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2009, 32 (03) : 214 - 222
  • [7] In-situ TEM Observation of Brittle Microcrack Nucleation
    张跃
    王燕斌
    褚武扬
    肖纪美
    Chinese Science Bulletin, 1994, (12) : 980 - 982
  • [8] IN-SITU TEM OBSERVATION OF BRITTLE MICROCRACK NUCLEATION
    ZHANG, Y
    WANG, YB
    CHU, WY
    XIAO, JM
    CHINESE SCIENCE BULLETIN, 1994, 39 (12): : 980 - 982
  • [9] Effect of phase boundary on nucleation and propagation of microcrack in nuclear grade Z3CN20-09M stainless steel
    Lu, Y. H.
    Zhu, X. F.
    MATERIALS SCIENCE AND TECHNOLOGY, 2014, 30 (08) : 968 - 972
  • [10] Microcrack nucleation and crack propagation in equiaxed γ TiAl
    Crimp, MA
    Ng, BC
    Simkin, BA
    Bieler, TR
    DEFECT PROPERTIES AND RELATED PHENOMENA IN INTERMETALLIC ALLOYS, 2003, 753 : 143 - 148
12345