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    Connection technology of joint surface of tungsten-copper alloy arc contact for GIS
    ZHANG Wujie, ZHANG Taofeng, CHEN Dong, QIN Xiaoyu, LÜ Xunhao, XIAO Hexuan, YANG Chunyue, LÜ Jin, ZHU Ke, LÜ Min, DING Pengxiang
    2022, 58(7): 1-4. DOI: 10.11973/lhjy-wl202207001
    Abstract PDF
    Influencing factors of determination accuracy of the hardened layer depth in carburizing and carbonitriding quenching
    RAN Ling, SUN Chengcai, KANG Yutao, LUO Shishu, WANG Yan, LI Jichang
    2022, 58(7): 5-9. DOI: 10.11973/lhjy-wl202207002
    Abstract PDF
    Uniformity of performance of Q355B steel plate based on the ultra-fast cooling process
    PAN Gang, YU Jun, YANG Yang, XIAO Juan, GAN Wenwen
    2022, 58(7): 10-12,17. DOI: 10.11973/lhjy-wl202207003
    Abstract PDF
    Determination of properties of domestic 690TT alloy U-shaped pipe in elbow area
    LUO Yao, DAN Tichun, SHI Huilie, WANG Xiao
    2022, 58(7): 13-17. DOI: 10.11973/lhjy-wl202207004
    Abstract PDF
    The influence of sample thickness on the impact toughness of structural steel
    XU Tianhan, ZHOU Fanshen, LUO Haorong
    2022, 58(7): 18-22. DOI: 10.11973/lhjy-wl202207005
    Abstract PDF
    Effect of different argon arc welding wires on microstructure and properties of 2205 duplex stainless steel girth weld
    WANG Fushan, LI Lei, FENG Quan, TONG Gen, XIAN Jun, LI Xuanpeng, BAI Zhenquan
    2022, 58(7): 23-27,31. DOI: 10.11973/lhjy-wl202207006
    Abstract PDF
    Causes for abnormal results of drop weight test of SA508 Gr.3 steel for reactor pressure vessel
    LIU Qiang, TU Shenghui, DING Xiangbin, PENG Xiangyang, LU Guangyao, ZHAI Lihong, LIU Qingsong
    2022, 58(7): 28-31. DOI: 10.11973/lhjy-wl202207007
    Abstract PDF
    Fracture causes of water ring vacuum pump shaft
    ZHOU Haiyan, CHEN Xianfeng, PU Jianzhong, CHEN Xianrong, CHEN Qi, GUO Tao
    2022, 58(7): 32-34,37. DOI: 10.11973/lhjy-wl202207008
    Abstract PDF
    Cracking causes of butt joint of 12Cr1MoVG steel high pressure steam pipeline
    ZHANG Fangfang, YING Chenkai, HU Jiansheng, YAN Jiangtao
    2022, 58(7): 35-37. DOI: 10.11973/lhjy-wl202207009
    Abstract PDF
    Reasons for abnormal opening performance of the end cover of a launch tube
    CAI Ze, WU Lili, KE Xianchao
    2022, 58(7): 38-40,44. DOI: 10.11973/lhjy-wl202207010
    Abstract PDF
    The early fracture reason of pull rod of a die casting machine
    ZHU Zexiao, WANG Ting, LI Zhenhua
    2022, 58(7): 41-44. DOI: 10.11973/lhjy-wl202207011
    Abstract PDF
    Fracture reasons of inner gear ring of a loader
    CHEN Kaimin, FAN Yang, ZHAO Yi, QIAO Jianyong
    2022, 58(7): 45-47. DOI: 10.11973/lhjy-wl202207012
    Abstract PDF
    Causes of poor interconnection between conductive adhesive and metal skeleton for an instrument
    LUO Jiesi, GU Jiabao, XU Huanxiang, ZHU Gang, LIU Zilian
    2022, 58(7): 48-52. DOI: 10.11973/lhjy-wl202207013
    Abstract PDF
    Fracture reason of 60Si2Mn steel spring
    GONG Gaoli
    2022, 58(7): 53-55. DOI: 10.11973/lhjy-wl202207014
    Abstract PDF
    Causes of low magnification defects in 40CrNiMoA steel
    DU Jiamei, YANG Bo, PENG Lei
    2022, 58(7): 56-61. DOI: 10.11973/lhjy-wl202207015
    Abstract PDF
    Fracture reasons of gear in gear-box on a line
    ZHOU Zhichao, ZHANG Guangzhi, WANG Guiyu, YANG Yanlong, ZHANG Jingrui, WU Jia, ZHANG Xijing
    2022, 58(7): 62-64. DOI: 10.11973/lhjy-wl202207016
    Abstract PDF
    The early fracture causes of differential planetary gear in a vehicle
    ZHANG Aimin, ZHANG Aiguo, CHEN Lubin
    2022, 58(7): 65-67,75. DOI: 10.11973/lhjy-wl202207017
    Abstract PDF
    Fracture causes of bolt of elevator traction machine
    LUO Haijun, ZHANG Jie, ZHANG Sheng
    2022, 58(7): 68-71,78. DOI: 10.11973/lhjy-wl202207018
    Abstract PDF
    Submerged arc welding wire for low alloy steel
    HUANG Shan, BA Fahai, LI Kai
    2022, 58(7): 72-75. DOI: 10.11973/lhjy-wl202207019
    Abstract PDF
    A high precision steel batch punctuation machine
    ZHANG Shuyang
    2022, 58(7): 76-78. DOI: 10.11973/lhjy-wl202207020
    Abstract PDF