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    Articles in press have been peer-reviewed and accepted, which are not yet assigned to volumes /issues, but are citable by Digital Object Identifier (DOI).
    Feasibility of fiber composite layer detection of hydrogen storage cylinder based on terahertz technology
    ZHU Xuchen, XU Jinsha, WU Chen
    2026, 62(5): 1-6. DOI: 10.11973/lhjy-wl250281
    Abstract PDF
    Test methods for pressure reducing valves in hydrogen fuel cell vehicles
    JIN Xin, LIU Yan, GUAN Shengqing, WANG Shaoke, MA Yugang
    2026, 62(5): 7-11. DOI: 10.11973/lhjy-wl250278
    Abstract PDF
    Hydrogen compatibility test of rubber seals for high-pressure hydrogen storage systems
    WANG Qilin, LIU Yan, HAN Bing, GUAN Shengqing, WANG Shaoke, JIN Xin
    2026, 62(5): 12-17. DOI: 10.11973/lhjy-wl250280
    Abstract PDF
    Detection method of thermal insulation performance of liquid nitrogen instead of liquid hydrogen
    XIA Li, YU Xiaohuan, LIU Jinliang, CHEN Shujun, FU Yue
    2026, 62(5): 18-22. DOI: 10.11973/lhjy-wl260007
    Abstract PDF
    The influence of different gradients on the fatigue crack growth rate test of increasing-K method
    TANG Yulong, SONG Wencheng, WANG Dan, LI Yanpeng, SHI Dandan, HUO Guangyang
    2026, 62(5): 23-25. DOI: 10.11973/lhjy-wl250292
    Abstract PDF
    Comparison and evaluation of ferrite content determination methods in stainless steel
    SUN Xinyang, ZHENG Shixiao, SHI Yongxin, GAO Shengyong, ZHANG Xinjie, TIAN Wei, LIU Jiayu, FENG Zhihao
    2026, 62(5): 26-30. DOI: 10.11973/lhjy-wl250007
    Abstract PDF
    Analysis of key points for metallographic inspection in NADCAP coating laboratory certification
    ZHOU Hu, XIE Shan
    2026, 62(5): 31-35. DOI: 10.11973/lhjy-wl260020
    Abstract PDF
    Causes of perforation in 316L stainless steel heat exchanger coils
    REN Qun, WEN Juan, SHI Xuexing
    2026, 62(5): 36-40. DOI: 10.11973/lhjy-wl260008
    Abstract PDF
    Causes of cracking of surfacing layer of hot high pressure separator over design service life and suggestions for periodic inspection
    HONG Mingtao, LIANG Chunlei, LIU Jianjie
    2026, 62(5): 41-44. DOI: 10.11973/lhjy-wl260022
    Abstract PDF
    Causes of motor shaft fracture in the transmission system of new energy vehicles
    SU Guowen, ZHANG Xuebin, YANG Guanghua
    2026, 62(5): 45-49. DOI: 10.11973/lhjy-wl250095
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    Causes of defects in planetary gear forgings
    LUO Wei, ZHAO Long, JI Tingzhong, SUN Chuntao, YAO Bowen, CHEN Shengqian
    2026, 62(5): 50-55. DOI: 10.11973/lhjy-wl250037
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    Causes of corrosion leakage in the superheater elbow of a newly installed waste heat boiler
    RUAN Xinglong, YANG Chengming, WANG Biao, JIAO Shaobin, HU Fake
    2026, 62(5): 56-60. DOI: 10.11973/lhjy-wl260040
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    Cause of grinding-in failure of 12CrNi3A steel spiral bevel gears
    LI Ziyan, XU Hongxiang, CHEN Shengchao, GUO Jingqiang, ZHAO Shaofu, HE Xiao, LIU Zhongling, YAN Shidang
    2026, 62(5): 61-65. DOI: 10.11973/lhjy-wl250006
    Abstract PDF
    Causes of fracture at the external thread of a drill pipe joint
    FAN Xiaodong, YU Shijie, CHEN Meng
    2026, 62(5): 66-72. DOI: 10.11973/lhjy-wl240303
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    Fracture causes of the straight pipe sections at both ends of a pump warming pipeline
    WANG Renhan, WANG Jielu, SHI Jiqing, WANG Xiaocheng, GU Yuming, SU Wenxian
    2026, 62(5): 73-78. DOI: 10.11973/lhjy-wl240336
    Abstract PDF