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《Ordnance Material Science and Engineering》 2006-04
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Fracture failure analysis of left steering knuckle arm

YUAN Tao,DUAN Li-ping,CHEN Yun(Ningbo Branch of China Academy of Ordnance Science,Ningbo 315103,China)  
Left steering knuckle arm made of 40Cr steel was used after being quenched and high temperature tempered,but early failure occurred in service.The parts were analyzed by metallographic examination.The results show that the reasons of failure are forging flaws on the surface and the microstructure of the material also doesn't meet the service conditions.
【CateGory Index】: U472
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Chinese Journal Full-text Database 10 Hits
1 ZHANG Hui 1, ZHANG Chang-ming 2 (1. Dept. of M.S. E. of Shanxi University of Technology, Hanzhong 723003, China; 2. Dept. of B. C. of Shanxi University of Technology, Hanzhong 723003, China);Comment on the development of forge process technology[J];Science & Technology of Baotou Steel(Group) Corporation;2004-05
2 ZHANG Xingjian LU Hongjun WANG Qi CHEN Yonglai ZHOU Xiaojian (Aerospace Research Institute of Materials & Processing Technology,Beijing 100076);Research Progress in Die Forging Technology of Titanium Alloy[J];Materials Review;2007-11
3 Beijing research institute of mechanical and electrical technology Xu Chunguo Ren Guangsheng;Research on hot extrusion process of magnesium alloy casing[J];Forging & Stamping Technology;2003-06
4 Zhou xiaohu Cao qingju (Hongyuan Aviation Forging & Casting Industry Company);Precision die design and improvement for large-scale double-drum shape aluminum hub[J];Forging & Stamping Technology;2004-01
5 TAN Hai-bo DOU Zhong-lin PANG Su-li (School of Material Science and Engineering,Northwestern Polytechnical University,Xi'an 710072,China);Improvement of forging process for GH901 turbine-shaft[J];Forging & Stamping Technology;2007-06
6 NING Yong-quan1,YAO Ze-kun1,YUE Tai-wen1,GUO Hong-zhen1,GUO Ying-guang2,TIAN Jun-qiang2(1.College of Materials Science and Engneering,Northwestern Polytechnical University,Xi′an 710072,China;2.Hongyuan Aviation Forging and Casting Industry Company,Sanyuan 713801,China);Near-isothermal forging of IN718 alloys[J];Forging & Stamping Technology;2009-02
7 Xia Hua1,LIU Yanxiong1, HU Yamin1, SUN Zhifu1, ZHANG Yucheng2, FU Chuanfeng2 (1.Material & Engineering College Chongqing Institute of Technology,Chongqing 400050,China; 2.Qishuyan Locomotive Vehicle Technology Institute, Changzhou 213011,Jiangsu China);Microstructure of Appearance of Mg Alloy AZ61A After Compression[J];China Metal Forming Equipment & Manufacturing Technology;2006-04
8 Hu Qinglin Lin Xianren Hu Shiju;Analysis on the Cracks in the Area Next to Weld Seam of Annular Chains for Mining[J];;1993-01
9 ZHOU Fei~ 1,2 ,LI Ai-ping~1,LI Da-yong~2 (1.School of Mechanical Engineering,Tongji University,Shanghai 200092,China; 2.School of Mechanical Engineering,Shanghai Jiaotong University,Shanghai 200030,China);Research on isothermal precision forming process of titanium blade wheel with finite volume method[J];Chinese Journal of Construction Machinery;2005-01
10 LIU Jun, HUANG Zhen-chi, HENG Xue-mei (Chinese Academy of Engineering Physics, Mianyang 621900, China);High Temperature Mechanical Properties and Facture Character of LD10[J];Materials For Mechanical Engineering;2004-03
China Proceedings of conference Full-text Database 1 Hits
1 TAN Hai-bo, DOU Zhong-lin (Hongyuan Aviation Forging & Casting Industry Company, Xianyang 713801, China);Forging Process Improvement of GH901 Turbine-Shaft[A];[C];2006
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