Acta Metall Sin  1994, Vol. 30 Issue (6): 248-256    DOI:

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TEM IN SITU OBSERVATION OF BRITTLE CRACKING OF HYDROGEN CHARGED 310 STAINLESS STEEL UNDER TENSION

CHEN QiZhi;CHU Wuyang;QIAO Lijie;WANG Yanbin;XIAO Jimei(University of Science and Technology Beijing)(Manuscript received 22 December;1993)

CHEN QiZhi;CHU Wuyang;QIAO Lijie;WANG Yanbin;XIAO Jimei(University of Science and Technology Beijing)(Manuscript received 22 December;1993). TEM IN SITU OBSERVATION OF BRITTLE CRACKING OF HYDROGEN CHARGED 310 STAINLESS STEEL UNDER TENSION. Acta Metall Sin, 1994, 30(6): 248-256.

Abstract References Related Articles Recommended Metrics Download:  PDF(828KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The effect of hydrogen on the cracking of type 310 stainless steel was studied by TEM in situ observation of hydrogen-charged specimens and comparison with the hydrogen-free specimens.The results show that 1)in precharged specimens,many dislocations can emit from a crack tip followed by forming a dislocation free zone(DFZ) after equilibrium:2)nanocracks nucleate preferable in DFZs;3)microcracks connect with each other,resulting in the brittle cracks,instead of blunting into voids.The effect of hydrogen on the change from ductile to brittle is to prevent nanocracks in DFZs from blunting into voids. Key words:  hydrogen-induced brittle crack      microcrack      TEM in situ observation      dislocation free zone      steel 310      Received:  18 June 1994      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/Y1994/V30/I6/248 1褚武扬著．氢损伤与滞后断裂．北京:冶金工业出版社,19882ChuWY,YaoJ,HsiaoCM．MetallTrans,1984;15A:7293ChuWY,WangHL,HsiaoCM．Corrosion,1984;40:4874QiaoLJ,ChuWY,HsiaoCM．Corrosion,1988;44:505QiaoLJ,ChuWY,HsiaoCM．Corrosion,1987;43:4796RiceJR,ThomsonR．Phil．Mag,1974;29:737ArgonAS．ActaMetall,1987;35:1858ChiaoYH,ClarkeDR．ActaMetall,1989;37:2039陈奇志,褚武扬,肖纪美．中国科学,1994;37A10张跃,王燕斌,褚武扬,肖纪美．ScriptaMetallMater,inPress11CherepanovGP．MechanicsofBrittleFracture,McGraw-HillInt．BookComp,NewYork,1979:2912FriededJ．Dislocations,PergamonPress,Oxford,1964:31213RitchieRO,ThompsonAW．MetallTrans,1985;16A:233P [1] Jin WANG, Yuefei ZHANG, Jinyao MA, Jixue LI, Ze ZHANG. Microcrack Nucleation and Propagation Investigation ofInconel 740H Alloy Under In SituHigh Temperature Tensile Test[J]. 金属学报, 2017, 53(12): 1627-1635. [2] ZHU Chunlei, LI Sheng, LI Haizhao, ZHANG Ji. EFFECT OF THERMAL EXPOSURE AT 750 ℃ ON ROOM TEMPERATURE TENSILE DUCTILITY OF CAST TiAl ALLOY WITH DIRECTIONAL LAMELLAR MICROSTRUCTURE[J]. 金属学报, 2014, 50(12): 1478-1484. [3] HUANG Yizhong; HUANG Changhe;WANG Yanbin; CHU Wuyang (University of Science and Technology Beijing; Beijing 100083); MEI Dongsheng;CHENG Xingde;SU Shihuai; YU Mengwen(Company of Iron and Steel of Panzhihua; Panzhihua617067)(Manuscript received 1995-07-25; in revised form 1996-04-16). INITIATION OF HYDROGEN PRESSURE BUBBLES IN STEEL PD_3[J]. 金属学报, 1996, 32(8): 845-851. [4] XING Xiusan (Beijing Institute of Technology;Beijing 100081)(Manuscript received 1996－01－08;in revised form 1996－06－21). DIAGRAM OF MICRO－MESO－MACRO MULTILEVEL CONNECTED THEORY OF FRACTURE[J]. 金属学报, 1996, 32(12): 1265-1269. [5] LI Hongqi; CHEN Qizhi; CHU Wuyang(University of Science and Technology Beijing; Beijing 100083). IN SITU TEM OBSERVATION OF NUCLEATING AND PROPAGATING OF MICROCRACKS IN STAINLESS STEEL UNDER TENSION[J]. 金属学报, 1996, 32(11): 1159-1164. [6] ZHAO Fangxin;ZHANG Yingjie;ZHANG Song;ZHAO Zuxin;YIN Shaokui;LI Decheng(Shenyang Research Institute of Foundry;Ministry of Machine Building Industries;Shenyang 110021)(Shenyang Polytechnic University;Shenyang 110023)(Northeastern University;Shenyang 110006)(Shenyang Research Institute of Foundry;Ministry of Machine Building Industries;Shenyang 110021)(Manuscript received 1996-02-05;in revised form 1996-05-06). FATIGUE CRACK DEFLECTION AND FORMATION OF MICROCRACKS IN POROSITY AREA OF ZG42CrMo[J]. 金属学报, 1996, 32(10): 1056-1062. [7] GU Biao; ZHANG Jingwu; WAN Farong; CHU Wuyang(Deportment of Materials Physics; University of Sci ence and Tech nology; Beijing; Beijing 100083). IN SITU TEM OBSERVATION OF DISLOCATION EMISSION, MOTION INDUCED BY ANODIC DISSOLUTION AND THE INITIATION OF SCC IN BRASS THIN FOIL[J]. 金属学报, 1995, 31(4): 156-164. [8] GAO Kewei;CHU Wuyang;XIAO Jimei(University of Science and Technology Beijing;Beijing 100083)(Manuscript received 1995-02-27). IN SITU TEM OBSERVATION OF DISLOCATION EMISSION,MOTION AND SCC INITIATION IN Ti_3Al+Nb UNDER METHANOL CORROSION[J]. 金属学报, 1995, 31(23): 477-483. [9] XU Yongbo;BAI Yilong;SHEN Letian;XUE Qing;LI Huan;KONG Dan( State Key Laboratory for Fatigue and Fracture of Materials;Institute of Metal Research;Chinese Academy of Sciences; Shenyang 110015)(Laboratory for Non-Linear Mechanics of Continuous Media;Institute of Mechanics;Chinese Academy of Sciences;Beijing 100080)(Manuscript received 1994-10-28;in revised form 1995-04-01). FORMATION AND DEVELOPMENT OF SHEAR DEFORMATION LOCALIZATION IN LOW CARBON STEELS[J]. 金属学报, 1995, 31(11): 485-493. [10] GU Biao; ZHANG Jingwu; QIAO Lijie; CHEN Qizhi; CHU Wuyang; XIAO Jimei(University of Science and Technology Beijing). NUCLEATION AND BLUNTNESS OF NANOCRACKS IN BRASS[J]. 金属学报, 1994, 30(8): 362-367. [11] ZHANG Futian;LOU Zhifei(State Key Laboratory for Fatigue and Failure-of Materials; Institute of Metal Research;Chinese Academy of Sciences;Shenyang);YE Yugong;LI Duanyi(Institute of Mechanics;Chinese Academy of Sciences;Beijing)(Manuscript received 28 December;1993). BEHAVIOUR OF MICROSTRUCTURE OF Ni9 STEEL UNDER DEFORMING-FRACTURING[J]. 金属学报, 1994, 30(6): 239-247. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed