Chin J Mater Res  1992, Vol. 6 Issue (2): 103-108    DOI:

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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

WANG Reijie;XU Yongbo;WANG Zhongguang;ZHOU Jing;ZHANG Jinghua;HU Zhuangqi(Institute of Metal Research;Academia Sinica)

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. Chin J Mater Res, 1992, 6(2): 103-108.

Abstract References Related Articles Recommended Metrics Download:  PDF(1804KB)  Export:  BibTeX | EndNote (RIS)       Abstract  A direct observation has been made of dislocation behaviour at crack—tip of anickel—base superalloy single crystal during tensile deformation in a transmission electron mi-croscope.Dislocations are found to emit from the crack-tip during crack propagation Key words:  superalloy      in situ observation      dislocation emission      dislocation-free zone      γ/γ′interface      Received:  25 April 1992      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.cjmr.org/EN/     OR     https://www.cjmr.org/EN/Y1992/V6/I2/103 1 Ohr S M,Noyayan J.Phil Mag,1980;A41:81 2 Kobayashi S,Ohr S M.Scr Met,1981;15:343 3 Horton J A,Ohr S M.J Mater Sci,1982;17:3140 4 Kobayashi S,Ohr S M.J Mater Sci,1984;19:2273 5 Ohr S M.Mater Sci and Eng,1985;72:1 6 Kobayashi S,Ohr S M.Phil Mag,1980;A42:763 7 Bilby B A,Cottrell A H,Swiden K H.Proc Roy Soc,1963;A272:304 8 Dai S H,Li J C M.Scr Met,1982;16:183 9 Zhao K H,Dai S H,Li J C M.Inter J Fract,1985;29:3 10 Ha K F,Xu Y B et al.Acta Metall,1990;38:1643 11 隋国鑫,徐永波,周敬,哈宽富,王中光.材料科学进展,1991;5:308 12 Xu Y B, Ha K F,Wang Z G,Wang X H,Li J. J Appl Phys,1991;69:203 13 Xu Y B,Yang C S,Ha K F,Wang Z G,Dai Z L.Chin J Met Sci and Technol,1991,7, 35 14 Rice J R,Thomson R.Phil Mag,1974;79:73j [1] XIONG Shiqi, LIU Enze, TAN Zheng, NING Likui, TONG Jian, ZHENG Zhi, LI Haiying. Effect of Solution Heat Treatment on Microstructure of DZ125L Superalloy with Low Segregation[J]. 材料研究学报, 2023, 37(8): 603-613. [2] WANG Hao, CUI Junjun, ZHAO Mingjiu. Recrystallization and Grain Growth Behavior for Strip and Foil of Ni-based Superalloy GH3536[J]. 材料研究学报, 2023, 37(7): 535-542. [3] QIN Heyong, LI Zhentuan, ZHAO Guangpu, ZHANG Wenyun, ZHANG Xiaomin. Effect of Solution Temperature on Mechanical Properties and γ' Phase of GH4742 Superalloy[J]. 材料研究学报, 2023, 37(7): 502-510. [4] ZHANG Min, ZHANG Siqian, WANG Dong, CHEN Lijia. Creep Microstructure Damage and Influence on Re-creep Behavior for a Nickel-based Single Crystal Superalloy[J]. 材料研究学报, 2023, 37(6): 417-422. [5] ZHOU Zhangrui, LV Peisen, ZHAO Guoqi, ZHANG Jian, ZHAO Yunsong, LIU Lirong. Stress Rupture Deformation Mechanism of Two "Replacement of Re by W" Type Low-cost Second-generation Nickel Based Single Crystal Superalloys at Elevated Temperatures[J]. 材料研究学报, 2023, 37(5): 371-380. [6] YU Sen, CHEN Leli, LUO Rui, YUAN Zhizhong, WANG Shuang, GAO Pei, CHENG Xiaonong. Dynamic Recrystallization and Microstructure Evolution Mechanism of GH4169 Alloy[J]. 材料研究学报, 2023, 37(3): 211-218. [7] CHEN Ruizhi, LIU Lirong, GUO Shengdong, ZHANG Mai, LU Guangxian, LI Yuan, ZHAO Yunsong, ZHANG Jian. Microstructural Stability and Stress Rupture Property of a 6Re/3Ru Containing Nickel-based Single Crystal Superalloy[J]. 材料研究学报, 2023, 37(10): 721-730. [8] KONG Yafei, LUO Xinghong, LI Yang, LIU Shi. Effect of Gravity on Dendrite Growth and Microsegregation of Ni-based Single Crystal Superalloy[J]. 材料研究学报, 2023, 37(10): 770-780. [9] HE Yufeng, WANG Li, WANG Dong, WANG Shaogang, LU Yuzhang, GU Ashan, SHEN Jian, ZHANG Jian. Effect of Hot Isostatic Pressing on Microstructure of a Third-Generation Single Crystal Superalloy DD33[J]. 材料研究学报, 2022, 36(9): 649-659. [10] LIANG Shuang, LIU Zhixin, LIU Lirong, LIANG Jinguang, JI Liangbo, SHAO Huayang. Effect of Ru on Creep Properties of a High Tungsten Containing Ni-based Single Crystal Superalloy[J]. 材料研究学报, 2021, 35(9): 694-702. [11] HUANG Yaqi, WANG Dong, LU Yuzhang, XIONG Ying, SHEN Jian. Fatigue Crack Initiation Behavior at Intermediate Temperature under High Stress Amplitude for Single Crystal Superalloy DD413[J]. 材料研究学报, 2021, 35(7): 510-516. [12] XU Xiong, LI Zhao, WAN Zhipeng, WEI Kang, WANG Tao, ZHANG Xinfang. Effect of Long-term Aging on Properties of Low Expansion Superalloy GH2909[J]. 材料研究学报, 2021, 35(5): 330-338. [13] SHU Delong, YAN Zhi, WANG Daohong, XIE Jun, HOU Guichen, Naicheng SHENG, LI Jinguo, YU Jinjiang, SUN Xiaofeng, ZHOU Yizhou. Influence of C- and B-content on Solidification and High Temperature Stress Rupture Behavior of Nickel-based Superalloy K417G[J]. 材料研究学报, 2021, 35(4): 241-250. [14] SHI Zhenwei, ZHENG Wei, LU Yuzhang, ZHANG Gong, SHEN Jian. Sand-burning Reaction of Ceramic Shell for Directional Solidification of Nickel-based Superalloy[J]. 材料研究学报, 2021, 35(4): 251-258. [15] LANG Zhenqian, YE Zheng, YANG Jian, HUANG Jihua. Research Progress of Repair Technology for Surface Defects of Single Crystal Superalloy[J]. 材料研究学报, 2021, 35(3): 161-174. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed