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    Revision Suggestions on the Standard of Upset Test Method for Metallic Materials
    YANG Haoyuan, LI Rongfeng, ZHAO Xiqing, ZHANG Hongyu, LE Jintao
    2020, 56(12): 1-4,10. DOI: 10.11973/lhjy-wl202012001
    Abstract PDF
    Application of Domestic Automatic Sample Preparation Equipment in Metallographic Sample Preparation
    WEI Zhiqing, LI Shengzhi, WANG Cheng, CHEN Qiulong, LIU Ying, LONG Hesun, LE Jintao
    2020, 56(12): 5-10. DOI: 10.11973/lhjy-wl202012002
    Abstract PDF
    Application of Strain Rate in GB/T 228. 1-2010 and Suggestions for the Next Version of the Standard
    FANG Hao, XU Weicheng, TIAN Huiling
    2020, 56(12): 11-14,21. DOI: 10.11973/lhjy-wl202012003
    Abstract PDF
    Comparison and Discussion on the Tensile Test Standards for Copper and Copper Alloys
    LIU Zhiying, WANG Lei, ZHANG Xinliang, LI Mingmao
    2020, 56(12): 15-21. DOI: 10.11973/lhjy-wl202012004
    Abstract PDF
    A Data Fitting Method for Series Impact Tests
    SUN Yonghui, LIU Kai, SHANG Xuexin, WANG Hankui
    2020, 56(12): 22-25. DOI: 10.11973/lhjy-wl202012005
    Abstract PDF
    Discussion on Digital Construction of Laboratory
    XIE Xiaoyu
    2020, 56(12): 26-28. DOI: 10.11973/lhjy-wl202012006
    Abstract PDF
    Design and Implementation of Information System for Industrial Metallographic Examination Laboratory
    YUAN Ye, ZHOU Xi, LI Zhibo
    2020, 56(12): 29-32,42. DOI: 10.11973/lhjy-wl202012007
    Abstract PDF
    Development of Q420C Steel Plate for High Heat Input Welding
    LIU Weihang
    2020, 56(12): 33-35,51. DOI: 10.11973/lhjy-wl202012008
    Abstract PDF
    Bulk Density and Apparent Porosity of Aluminum Carbon Slide Gate Brick in Different Immersion Solution
    FEI Shenggang, WANG Kui, XIA Changyong, WU Longshui
    2020, 56(12): 36-38,51. DOI: 10.11973/lhjy-wl202012009
    Abstract PDF
    Influence of Test Temperature on Tensile Test Results of Metallic Material Welded Joints
    JIN Jingjing
    2020, 56(12): 39-42. DOI: 10.11973/lhjy-wl202012010
    Abstract PDF
    Development of Destructive Test Standards on Welds of Metallic Materials at Home and Abroad
    ZHAI Lianna
    2020, 56(12): 43-47,56. DOI: 10.11973/lhjy-wl202012011
    Abstract PDF
    Fracture Causes of Fixing Bolt of Aircraft Undercarriage Brake Disc
    TIAN Hao, CHEN Rong, FU Guoru, LI Quan
    2020, 56(12): 48-51. DOI: 10.11973/lhjy-wl202012012
    Abstract PDF
    Fracture Causes of Transmission Mounting Arm
    SHAO Baiming, NI Lei
    2020, 56(12): 52-56. DOI: 10.11973/lhjy-wl202012013
    Abstract PDF
    Cracking Causes of Main Nozzle of a Helicopter Engine
    ZHANG Shaojia
    2020, 56(12): 57-61. DOI: 10.11973/lhjy-wl202012014
    Abstract PDF
    Fracture Causes of Gear Teeth of Third Gear Shaft of Driving Reducer
    PAN Xiaojing, XU Xuanxuan, DAI Linrong
    2020, 56(12): 62-66. DOI: 10.11973/lhjy-wl202012015
    Abstract PDF
    Leakage Causes of High Temperature Superheater Tube in a Power Plant Boiler
    ZHANG Hongwu, YANG Dongxu, YUE Zengwu, SHAO Mingxing
    2020, 56(12): 67-70. DOI: 10.11973/lhjy-wl202012016
    Abstract PDF
    Corrosion Failure Causes of Printed Circuit Board of Remote Controller
    HU Lifen, WANG Shanshan
    2020, 56(12): 71-73. DOI: 10.11973/lhjy-wl202012017
    Abstract PDF