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    Reasons for transverse cracks on the surface of boron microalloyed steel billets and improvement measures
    LI Wei
    2023, 59(11): 1-3,6. DOI: 10. 11973/lhjy-wl202311001
    Abstract PDF
    Application of electron backscatter diffraction technology in grain size assessment of high-grade coiled tubing
    YANG Yanlong, ZHOU Zhichao, ZHAO Naisheng, WU Jia, LUO Yi
    2023, 59(11): 4-6. DOI: 10. 11973/lhjy-wl202311002
    Abstract PDF
    Automatic laser cutting method for processing sheet metal samples
    QI Biao, CHEN De, MA Jie, ZHU Wenjun, LIU Jie
    2023, 59(11): 7-11. DOI: 10. 11973/lhjy-wl202311003
    Abstract PDF
    Processing and inspection techniques for fully automatic mechanical specimens of sheets and round bars
    TAN Liaolin, MA Feiyue, SHEN Yuanjun, DING Jian
    2023, 59(11): 12-16. DOI: 10. 11973/lhjy-wl202311004
    Abstract PDF
    Laboratory capability maintenance measures and abnormal response to capability verification results
    SUN Shanbo, LUAN Zhaoliang, WANG Jing, LI Yuqing
    2023, 59(11): 17-18,27. DOI: 10. 11973/lhjy-wl202311005
    Abstract PDF
    Laboratory thermal simulation testing technology
    LUO Chunmin, LIU Ying
    2023, 59(11): 19-22,31. DOI: 10. 11973/lhjy-wl202311006
    Abstract PDF
    The effect of multiple quenching and tempering on the structure and friction and wear behavior of C110 steel
    ZHAO Yinghui, SUN Qunfeng, LIU Chao, LIU Anmin
    2023, 59(11): 23-27. DOI: 10. 11973/lhjy-wl202311007
    Abstract PDF
    Improvement methods for defect structure in forged steel
    YAN Pengcheng, YAN Zhilong
    2023, 59(11): 28-31. DOI: 10. 11973/lhjy-wl202311008
    Abstract PDF
    Causes of fracture of Ni-Al bronze bolt used in the condenser seal structure of a nuclear power station
    GAO Tengfei, GUO Kai, LI Xingang, ZHAI Xinnian, LUO Zhen
    2023, 59(11): 32-34,37. DOI: 10. 11973/lhjy-wl202311009
    Abstract PDF
    Causes of deformation of polyamide insulation adhesive for aluminum alloy windows
    ZHONG Guosheng, HUANG Jianzhen, LI Zhijing
    2023, 59(11): 35-37. DOI: 10. 11973/lhjy-wl202311010
    Abstract PDF
    Causes of water wall tube explosion in thermal power plants
    LI Yu, JIANG Yong, GONG Jianming
    2023, 59(11): 38-42,47. DOI: 10. 11973/lhjy-wl202311011
    Abstract PDF
    Reason for the ferrite grains surface graying in low carbon steel metallographic specimen
    SHI Yangyu, ZHOU Manlin, XU Jiafa, ZENG Demeng, ZHOU Xin, LI Weijun
    2023, 59(11): 43-47. DOI: 10. 11973/lhjy-wl202311012
    Abstract PDF
    Reasons for the fracture of the manual high-temperature valve of the sulfur incinerator
    WANG Dijun, WEI Dafen, CHEN Yonggang, XU Zhoufeng, CHEN Xiaohan, LIU Jiaxing
    2023, 59(11): 48-52. DOI: 10. 11973/lhjy-wl202311013
    Abstract PDF
    Reason for wear of elevator safety gear wedges
    LIU Zhikai, LIU Cansen, JIE Xiaohua
    2023, 59(11): 53-55,58. DOI: 10. 11973/lhjy-wl202311014
    Abstract PDF
    Cause of cracking on the inner surface of GCr15 steel bearing ring
    LIU Yueyun, YANG E, ZHOU Yang, PENG Xianjin
    2023, 59(11): 56-58. DOI: 10. 11973/lhjy-wl202311015
    Abstract PDF
    Reasons for the coating detachment of the shaft sleeve
    YANG Jinyan, LIU Xiaoxian, LI Lei
    2023, 59(11): 59-61,65. DOI: 10. 11973/lhjy-wl202311016
    Abstract PDF
    Causes of clutch damping spring fracture
    LUO Yucheng, YUE Gao, TIAN Shuangxi, LIN Shengyao
    2023, 59(11): 62-65. DOI: 10. 11973/lhjy-wl202311017
    Abstract PDF
    Reason for corrosion of a water injection pipeline
    ZHANG Yanhua, LUO Yi
    2023, 59(11): 66-69,74. DOI: 10. 11973/lhjy-wl202311018
    Abstract PDF
    Causes of fracture at the outlet of casing sliding sleeve
    YAN Jian, GONG Nana, WANG Weipeng
    2023, 59(11): 70-73. DOI: 10. 11973/lhjy-wl202311019
    Abstract PDF
    Causes of wire rope fracture in oil fishing operation
    WANG Xiaopeng, ZHOU Yuping, GUO Li, LI Cuiping, CHEN Yusheng
    2023, 59(11): 74-78. DOI: 10. 11973/lhjy-wl202311020
    Abstract PDF