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    Numerical Simulation of Welding Residual Stress of Small-caliber Thick-wall 12Cr1MoVG Steel Tube
    CHEN Guohong, GUO Bixiang, WANG Ruomin, ZHAO Haoran, MIAO Chunhui, WANG Jingjing, TANG Wenming
    2020, 56(7): 1-5,12. DOI: 10.11973/lhjy-wl202007001
    Abstract PDF
    Influence of Expansion of Metallurgical Auxiliary Materials on Melting Point Detection and Solutions
    LI Yunping
    2020, 56(7): 6-8,12. DOI: 10.11973/lhjy-wl202007002
    Abstract PDF
    Cause on Mechanical Properties Difference of ER90S-G Welding Wire Joint
    DING Yanguang, LI Jian, SUN Shengye
    2020, 56(7): 9-12. DOI: 10.11973/lhjy-wl202007003
    Abstract PDF
    Effect of Surface Roughness on Quality of Silver Coating on Inner Hole Surface of Tooth Wheel Drill Bit
    LI Ying
    2020, 56(7): 13-17. DOI: 10.11973/lhjy-wl202007004
    Abstract PDF
    Application of MLA System in Analysis of Non-metallic Inclusions of Stainless Steel
    WU Huimin, WANG Junping, ZHAO Shuang
    2020, 56(7): 18-21,25. DOI: 10.11973/lhjy-wl202007005
    Abstract PDF
    Automatic Measurement of Percentage Elongation after Fracture of Beryllium Material with Improved Extensometer
    LI Meisui, ZHANG Zifu, LI Zhinian, ZHANG Jiankang, LÜ Yige, LI Shurong, HUANG Xugang, DAI Yanming
    2020, 56(7): 22-25. DOI: 10.11973/lhjy-wl202007006
    Abstract PDF
    Calibration and Uncertainty Evaluation of Steel Wire Rope Tension Meter
    JIANG Fan, KANG Zhangyi, LIU Yi, WANG Wenchang, LI Mao, GUO Biao
    2020, 56(7): 26-29. DOI: 10.11973/lhjy-wl202007007
    Abstract PDF
    Fracture Cause of High Lock Nut of 7075-T73 Aluminum Alloy
    HE Jun, LI Junfu, DING Yahong, LUO Qing, TAN Yao, LI Xiawen
    2020, 56(7): 30-34,38. DOI: 10.11973/lhjy-wl202007008
    Abstract PDF
    Cause of Internal Defects of 718 Steel Module
    HUANG Xin, MA Su, BIAN Jiyang
    2020, 56(7): 35-38. DOI: 10.11973/lhjy-wl202007009
    Abstract PDF
    Perforation Cause of L245 Steel Oil Pipeline
    DING Rong
    2020, 56(7): 39-42,47. DOI: 10.11973/lhjy-wl202007010
    Abstract PDF
    Fracture Cause of Anti-roll Torsion Bar for Metro Vehicles
    FAN Qianqi
    2020, 56(7): 43-47. DOI: 10.11973/lhjy-wl202007011
    Abstract PDF
    Fracture Cause of Suction Valve of Styrene Hydrogen Compressor
    TANG Chunrong, LI Jianhong, CHEN Ping
    2020, 56(7): 48-54,60. DOI: 10.11973/lhjy-wl202007012
    Abstract PDF
    Leakage Cause of High Pressure Straight Pipe in Oil Well
    FENG Zhenjun, NIE Xianghui, XU Yan, LIU Yinglai, LI Liang, WANG Gaofeng
    2020, 56(7): 55-60,65. DOI: 10.11973/lhjy-wl202007013
    Abstract PDF
    Fracture Cause of Damper Extension Rod on Main Steam Pipeline of a Nuclear Power Plant
    LIU Xianliang, MIAO Long, ZHANG Mingcong, LI Yan, WANG Zhao
    2020, 56(7): 61-65. DOI: 10.11973/lhjy-wl202007014
    Abstract PDF
    Forging Cracking Cause of 4Cr5MoSiV1 Steel Module
    ZHANG Quanxin, JIANG Haijun, WANG Chunyi
    2020, 56(7): 66-68,72. DOI: 10.11973/lhjy-wl202007015
    Abstract PDF
    Cause on Disruptive Discharge Fault of GIS Potential Transformer
    NIU Jianhong, ZENG Qingzhong, WANG Guangming, YANG Yujing, YAN Xin
    2020, 56(7): 69-72. DOI: 10.11973/lhjy-wl202007016
    Abstract PDF