CLEAVAGE CRACK TIP DEFORMATION IN ZINC SINGLE CRYSTAL

Chin J Mater Res

1990, Vol. 4

Issue (1): 14-19 DOI:

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CLEAVAGE CRACK TIP DEFORMATION IN ZINC SINGLE CRYSTAL

FU Ran;LONG Qiyi;ZHANG Tianyi;LONG Qiwei(Institute of Metal Research;Academia Sinica)

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FU Ran;LONG Qiyi;ZHANG Tianyi;LONG Qiwei(Institute of Metal Research;Academia Sinica). CLEAVAGE CRACK TIP DEFORMATION IN ZINC SINGLE CRYSTAL. Chin J Mater Res, 1990, 4(1): 14-19.

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Abstract Dislocation distribution ahead of a cleavage crack tip in Zn single crystal isobserved by using etch pit technique.The results show that this distribution has the featurepredicated by the DFZ models,and both X_1,the distance from the crack tip to the firs

Key words: dislocation etch-pit dislocation-free zone effective stress intensity factor

Received: 25 February 1990

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https://www.cjmr.org/EN/ OR https://www.cjmr.org/EN/Y1990/V4/I1/14

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[1]	WANG Reijie;XU Yongbo;WANG Zhongguang;ZHOU Jing;ZHANG Jinghua;HU Zhuangqi(Institute of Metal Research;Academia Sinica). AN IN SITU STUDY ON DISLOCATION BEHAVIOUR OF THE CRACK TIP IN A SINGLE CRYSTAL Ni-BASE SUPERALLOY——Ⅰ.The Formation of DFZ and the Extention of Micro Crack[J]. 材料研究学报, 1992, 6(2): 103-108.
[2]	SUI Guoxin XU Yongbo ZHOU Jing HA Kuanfu WANG Zhongguang (Institute of Metal Research;Academia Sinica;Jilin University). IN-SITU OBSERVATIONS ON DISLOCATION BEHAV IOR AND THE EFFECT OF HYDROGEN NEAR THE CRACK-TIP IN Fe-3%Si SINGLE CRYSTAL BY TEM[J]. 材料研究学报, 1991, 5(4): 308-314.
[3]	YANG Chunsong;WANG Zhongguang;XU Yongbo;HA kuanfu(Institute of Metal Research;Academia Sinica;Jilin University). OBSERVATION OF DIS LOCATION-FREE ZONE NEAR THE CRACK-TIP OF BULK Fe-3%Si SINGLE CRYSTAL[J]. 材料研究学报, 1990, 4(4): 314-318.
[4]	WANG Xiuhua;LI Jian;AN Zhengzhi;HA Kuanfu(Jilin University)XU Yongbo(Institute of Metal Research;Academia Sinica). THE DISLOCATIOIN-FREE ZONE AHEAD OF THE CRACK TIP IN BULK ALUMINIUM SINGLE CRYSTALS[J]. 材料研究学报, 1990, 4(3): 206-211.

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