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    Influence of Pin Hole and Its Depth of Impact Specimen on Impact Absorption Energy
    SONG Xiaoyong, CHENG Bin, HOU Zongbao, JIANG Jin, MA Senlin, CHENG Yanan
    2020, 56(1): 1-3,13. DOI: 10.11973/lhjy-wl202001001
    Abstract PDF
    Cause of Suspected Hairlines in Tower Sample Etching Test of Medium and Low Carbon High Manganese Steel
    XU Xuanxuan, QIAN Bin, ZHAO Yi
    2020, 56(1): 4-8,25. DOI: 10.11973/lhjy-wl202001002
    Abstract PDF
    Effect of Divergence Slit Width and Length on Peak-to-background Ratio in Powder Diffraction
    RUAN Yinjie, ZHOU Xuan, SUN Yue, YIN Handi, CHENG Guofeng
    2020, 56(1): 9-13. DOI: 10.11973/lhjy-wl202001003
    Abstract PDF
    Comprehensive Test Method of Hydraulic Pressure and Air Tightness of Insulator Casting by Epoxy Resin
    WANG Guangming, NIU Jianhong, YAN Xin, ZHOU Qingzheng, ZHANG Hui
    2020, 56(1): 14-17. DOI: 10.11973/lhjy-wl202001004
    Abstract PDF
    Test Method of Softening Temperature of Cu-0.5Ag Alloy Microwire for Electronic Cables
    WANG Shusen, ZHANG Yuanwang, YAO Dawei
    2020, 56(1): 18-20,31. DOI: 10.11973/lhjy-wl202001005
    Abstract PDF
    Application of High Temperature Confocal Laser Scanning Microscope in Observation of In-situ Structure of Steel
    WEN Juan, QI Qige, JU Xinhua, ZHANG Lixia, JIA Huiping
    2020, 56(1): 21-25. DOI: 10.11973/lhjy-wl202001006
    Abstract PDF
    Comparative Analysis on Standards for Composite Brake Shoes of Railway Wagon at Home and Abroad
    JI Yuan, PEI Dingfeng
    2020, 56(1): 26-31. DOI: 10.11973/lhjy-wl202001007
    Abstract PDF
    An Intelligent Detection Method for Zinc Coating Characteristics of Automobile Plate
    LI Mangmang
    2020, 56(1): 32-33,65. DOI: 10.11973/lhjy-wl202001008
    Abstract PDF
    Cause Analysis on Cracking of Stainless Steel Flue Gas Pipe of Waste Heat Boiler
    ZHAO Yanling
    2020, 56(1): 34-37. DOI: 10.11973/lhjy-wl202001009
    Abstract PDF
    Cause Analysis on Leakage of Steel Pipe of Final Superheater in a Ultra Supercritical Unit Boiler
    LIU Guangxing, GONG Wei, LIU Xinxing
    2020, 56(1): 38-40. DOI: 10.11973/lhjy-wl202001010
    Abstract PDF
    Cause Analysis on Fracture of Clamping Bolt for Camshaft Timing Pulley of Engine
    YU Zhenjun
    2020, 56(1): 41-43. DOI: 10.11973/lhjy-wl202001011
    Abstract PDF
    Cause Analysis on Leakage of Steel Pipe of Final Superheater in a Supercritical Unit Boiler
    FANG Zhenbang, CHEN Xuejin, WANG Ruomin, CHEN Guohong
    2020, 56(1): 44-47,69. DOI: 10.11973/lhjy-wl202001012
    Abstract PDF
    Failure Analysis on Fracture of Spill Valve of High Pressure Fuel Pump
    YU Nahong
    2020, 56(1): 48-51. DOI: 10.11973/lhjy-wl202001013
    Abstract PDF
    Failure Analysis on Cracking of Welded Seam on Welded Joint between Flange and Steel Pipe of a Compressor
    TONG Yuantao, YANG Zhongna, LUO Yi, YANG Yang
    2020, 56(1): 52-55,60. DOI: 10.11973/lhjy-wl202001014
    Abstract PDF
    Cause Analysis on Leakage of T91 Steel Supporting Tube of Primary Superheater in a Ultra Supercritical Boiler
    TIAN Xiao, QIN Chengpeng, XU Hui, SHANG Xuewei
    2020, 56(1): 56-60. DOI: 10.11973/lhjy-wl202001015
    Abstract PDF
    Cause Analysis on Tube Bursting of Water-cooled Evaporating Screen of Boiler in a Chemical Plant Power Station
    HUANG Weifu, YE Zhenhua, YANG Wenbin, ZUO Renhong
    2020, 56(1): 61-65. DOI: 10.11973/lhjy-wl202001016
    Abstract PDF
    Cause Analysis on Fracture of Automotive Suspension Spring
    XUE Xicai, SHAO Baiming
    2020, 56(1): 66-69. DOI: 10.11973/lhjy-wl202001017
    Abstract PDF
    Failure Analysis on Fracture of Mandrel Used in Production of Seamless Steel Tube
    QIU Jiale
    2020, 56(1): 70-74. DOI: 10.11973/lhjy-wl202001018
    Abstract PDF