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    Performance of flexible composite pipes after service in oil fields
    LI Guangshan, CHEN Qingguo, XIA Xiaohui, YAN Zifeng, NING Changchun
    2024, 60(1): 1-5. DOI: 10.11973/lhjy-wl202401001
    Abstract PDF
    Microstructure recrystallization process of copper wire primary short circuit melted mark
    CHEN Ke, ZHANG Bin, DENG Songhua, GUO Yuhang, WANG Xuanlei
    2024, 60(1): 6-11. DOI: 10.11973/lhjy-wl202401002
    Abstract PDF
    Evaluation of uncertainty in tensile test of magnesium alloy bars at room temperature
    ZHOU Guodong, ZHAO Lili, FENG Lijun
    2024, 60(1): 12-15. DOI: 10.11973/lhjy-wl202401003
    Abstract PDF
    Hardness method for measuring the adhesion of aluminum alloy anodized film
    CHANG Fei, FAN Xing
    2024, 60(1): 16-19. DOI: 10.11973/lhjy-wl202401004
    Abstract PDF
    Scientific management and standardized operation of field emission scanning electron microscopy
    GUO Shoujie, LI Zhisheng, FA Wenjun
    2024, 60(1): 20-23. DOI: 10.11973/lhjy-wl202401005
    Abstract PDF
    Reasons for cracking of the scaleplate frame flange of a compressor clearance cylinder
    LAI Yulin, FANG Lei, MENG Xiang, LAI Chengcai, DUAN Rongtao, WU Narong, FENG Chengcheng
    2024, 60(1): 24-28. DOI: 10.11973/lhjy-wl202401006
    Abstract PDF
    Causes of fire hydrant water supply pipe fracture in large transformer substation
    WANG Yue, CHEN Dong, ZHANG Wei, ZHANG Xuechao, WANG Yingjun, ZHANG Tao
    2024, 60(1): 29-32. DOI: 10.11973/lhjy-wl202401007
    Abstract PDF
    Reason for cracking of 20CrMoH steel gear
    SUN Xuejiao, LU Feng, YANG Xu, FANG Jinlin, DONG Bingcheng
    2024, 60(1): 33-36. DOI: 10.11973/lhjy-wl202401008
    Abstract PDF
    Cause of brittle fracture in precipitation hardened stainless steel springs
    YAN Fuhua, LI Wei, FAN Weigang, ZHANG Yamei, ZHANG Yue
    2024, 60(1): 37-39. DOI: 10.11973/lhjy-wl202401009
    Abstract PDF
    Reasons for cracking of the check valve disc for high－temperature use in a certain power plant
    DAI Meng, ZHAO Xingbao, WANG Yimei, XU Zhu, XIE Zhe
    2024, 60(1): 40-44. DOI: 10.11973/lhjy-wl202401010
    Abstract PDF
    Reasons for wear of 40Cr steel rotating shaft gears
    LIU Hailiang, YAO Wende, LIU Yugai, LIU Weili, SUN Guanjie
    2024, 60(1): 45-48. DOI: 10.11973/lhjy-wl202401011
    Abstract PDF
    Reasons for wire breakage in a certain 330 kV transmission line
    ZHOU Yunfei, WANG Chenshan, LI Jun, ZHAO Chaoyou
    2024, 60(1): 49-52. DOI: 10.11973/lhjy-wl202401012
    Abstract PDF
    Reasons for the detachment of babbitt alloy for sealing pads used in power plant generators
    ZHAO Xingbao, DAI Meng, YU Xinna, WANG Yimei, XU Zhu, XIE Zhe
    2024, 60(1): 53-57. DOI: 10.11973/lhjy-wl202401013
    Abstract PDF
    Reasons for corrosion and cracking of 316L stainless steel ammonia pipeline in a certain power plant
    ZHOU Hao
    2024, 60(1): 58-61. DOI: 10.11973/lhjy-wl202401014
    Abstract PDF
    Reason for crankshaft cracking in a certain type of diesel engine
    HU Qiancheng, LI Bing, ZHOU Jun
    2024, 60(1): 62-65. DOI: 10.11973/lhjy-wl202401015
    Abstract PDF
    Causes of bending crack of Q460C medium thick steel plate
    WANG Yan
    2024, 60(1): 66-69. DOI: 10.11973/lhjy-wl202401016
    Abstract PDF
    The cause of shrinkage porosity defects in the tensile fracture surface of ZL101A aluminum alloy
    YAN Tao, CAO Dan, SUN Mingdao
    2024, 60(1): 70-72. DOI: 10.11973/lhjy-wl202401017
    Abstract PDF
    Reasons for leakage of boiler water cooled wall pipe in thermal power units
    WANG Kun
    2024, 60(1): 73-77. DOI: 10.11973/lhjy-wl202401018
    Abstract PDF