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    Analysis of Non-metallic Inclusions in Steel
    ZHANG Guobin, NING Mei, ZHOU Xinxin
    2021, 57(12): 1-7,17. DOI: 10.11973/lhjy-wl202112001
    Abstract PDF
    Display of Ferrite Grains in Ultra-low Carbon SteelBased on Ion Milling Technology
    CUI Guibin, JU Xinhua, YANG Rui, WEN Juan, CUI Yang
    2021, 57(12): 8-11. DOI: 10.11973/lhjy-wl202112002
    Abstract PDF
    Influencing Factors and Examples of Metallographic Sample Preparation
    HAN Beifang, LIU Ying
    2021, 57(12): 12-17. DOI: 10.11973/lhjy-wl202112003
    Abstract PDF
    Test Method for Decarburization Layer of 100 m High Speed Heavy Rail
    TAO Yong, JIA Lihui, LI Jikang, HU Tao, LI Yaxuan, LIU Minghui, LEI Borong, ZHANG Yanwen
    2021, 57(12): 18-20,27. DOI: 10.11973/lhjy-wl202112004
    Abstract PDF
    Application of MATLAB Software in Quantitative Analysis ofStructure of Railway Wheel Steel
    LIU Jihua, LI Xinghao, YU Pijie, LI Yongjian, HE Chenggang, LI Peng
    2021, 57(12): 21-27. DOI: 10.11973/lhjy-wl202112005
    Abstract PDF
    Application of Metallographic Examination in Phased ArrayUltrasonic Inspection of Steel Bars
    LIU Guijiang, LIU Xiru, TONG Tong, LI Peng, LIU Xin, XU Xiaohui
    2021, 57(12): 28-31,37. DOI: 10.11973/lhjy-wl202112006
    Abstract PDF
    Effects of Composite Shot Peening on Surface Microstructure andProperties of 0Cr16Ni5Mo1 Martensitic Stainless Steel
    LI Ke, ZHU Wenlong, SONG Yisi, LI Chuanwei, LIU Shan, LIAO Yu, JIANG Chuanhai
    2021, 57(12): 32-37. DOI: 10.11973/lhjy-wl202112007
    Abstract PDF
    Effects of Chemical Co-precipitation Process on Coating Quality of NickelCoated Tungsten Carbide Cemented Carbide Powder
    ZHAO Xiaopeng, WANG Yisheng, YANG Hao, MIN Fanlu, ZHANG Jianfeng
    2021, 57(12): 38-43. DOI: 10.11973/lhjy-wl202112008
    Abstract PDF
    Fractographic Analysis of Impact Fracture Surface for Pipeline Steels
    GUO Xiaojing, SU Chongtao
    2021, 57(12): 44-48. DOI: 10.11973/lhjy-wl202112009
    Abstract PDF
    Effects of Technical Parameters on Solid Solution Carbon Content and BakeHardening Properties of Ultra-low Carbon Bake Hardening Steel
    SHI Xuexing, JU Xinhua, LU Xianbao, WEI Dong
    2021, 57(12): 49-51. DOI: 10.11973/lhjy-wl202112010
    Abstract PDF
    Thermal Simulation of Welding Process of X80 Pipeline Steel
    YOU Zongbin, LI Dongyan, LI Yezhang, YAN Chen, LIU Yu
    2021, 57(12): 52-54,59. DOI: 10.11973/lhjy-wl202112011
    Abstract PDF
    Analysis of Different Types Fracture Surface of a High Strength Bolt
    XIAO Youqiang, GAO Anke, CHEN Weifeng
    2021, 57(12): 55-59. DOI: 10.11973/lhjy-wl202112012
    Abstract PDF
    Evaluation of Measurement Uncertainty of Torsional Propertyof Metal Wires
    PENG Meng, SUN Xiaobo, XI Tao
    2021, 57(12): 60-62. DOI: 10.11973/lhjy-wl202112013
    Abstract PDF
    Leakage Causes of Reducing Tee Pipe Fitting in Petrochemical Plant
    GU Baolan, YU Haiyang, LI Xiuneng, XU Tong
    2021, 57(12): 63-67. DOI: 10.11973/lhjy-wl202112014
    Abstract PDF
    Formation Causes of Fracture of Black Center and White Spot for YL82B Wire Rod
    FENG Zixuan
    2021, 57(12): 68-70. DOI: 10.11973/lhjy-wl202112015
    Abstract PDF
    Fracture Causes of High Temperature Bolt of Steam Turbine
    CHEN Liangping, HE Pengfei, ZHANG Renkui
    2021, 57(12): 71-74. DOI: 10.11973/lhjy-wl202112016
    Abstract PDF
    Leakage Causes of Glass Fiber Reinforced Plastic Oil Gathering Pipeline
    CHEN Qingguo, LI Lei, YAN Zifeng, QI Guoquan, WANG Peng, ZHU Lixia
    2021, 57(12): 75-78. DOI: 10.11973/lhjy-wl202112017
    Abstract PDF