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    Effect of surface roughness on high temperature creep property of oxide dispersion-strengthened steel plate
    QI Haidong, MEI Jianyuan, SONG Xiping, ZHANG Bei
    2022, 58(1): 1-4,13. DOI: 10.11973/lhjy-wl202201001
    Abstract PDF
    Selection of Brinell hardness measuring scale for weld of Inconel 625 nickel-based alloy pipe joint with different welding processes
    DAI Xucheng, SHANG Yongjia, LIU Hong, WANG Bin, FAN Liyuan
    2022, 58(1): 5-7,48. DOI: 10.11973/lhjy-wl202201002
    Abstract PDF
    Residual stress comparison of cast iron cylinder head of engine before and after heat treatment
    LIU Qingyi, JIANG Ailong, CHEN Jing, CHEN Huaining, LI Dongxu
    2022, 58(1): 8-10,36. DOI: 10.11973/lhjy-wl202201003
    Abstract PDF
    Causes of fracture of main bearing cap bolt of a natural gas bus engine
    SHA Fei
    2022, 58(1): 11-13. DOI: 10.11973/lhjy-wl202201004
    Abstract PDF
    Deformation causes and structural optimization of riser pipe clamp of a high-temperature reheat steam pipeline in a power plant
    WANG Biao, QIN Xuming, CAO Xianhui, CHEN Liangping
    2022, 58(1): 14-17. DOI: 10.11973/lhjy-wl202201005
    Abstract PDF
    Cause of coiled tubing fracture of a high-temperature and high-pressure gas well in a western oilfield
    YAN Pai, LONG Yan, DOU Wei, KUANG Xianren, LUO Jinheng, LUO Sheji
    2022, 58(1): 18-22. DOI: 10.11973/lhjy-wl202201006
    Abstract PDF
    Corrosion of 65Mn steel spring washer of a fuel through pipe joint
    LI Junfu, HE Jun, ZHU Ling
    2022, 58(1): 23-27. DOI: 10.11973/lhjy-wl202201007
    Abstract PDF
    Cause of leakage of 316L stainless steel hydraulic control pipeline on an offshore platform
    YANG Zhongna, WANG Jinxia, JIANG Lei, SONG Zhiqiang, LUO Yi, YANG Yang, WANG Haifeng, JIN Lei
    2022, 58(1): 28-32. DOI: 10.11973/lhjy-wl202201008
    Abstract PDF
    Causes of cracking of pipe penetration piece with copper lining for ships
    PAN Hengpei, YANG Xiao, ZHANG Lijuan, ZHANG Xinyao
    2022, 58(1): 33-36. DOI: 10.11973/lhjy-wl202201009
    Abstract PDF
    Cracking causes of oil transfer hose
    DAI Xiaoying, LU Yujiao
    2022, 58(1): 37-40. DOI: 10.11973/lhjy-wl202201010
    Abstract PDF
    Causes of black spots on surface of AA3003 aluminum alloy radiator connecting piece
    MENG Xinpei, JIN Linkui, FANG Manting, LIN Quan, HUANG Yihao, LI Xiaohui, HE Ping
    2022, 58(1): 41-44,51. DOI: 10.11973/lhjy-wl202201011
    Abstract PDF
    Causes of cold working cracking of SAE1144 steel camshaft of internal combustion engine
    PENG Lei, XU Xuanxuan, DAI Linrong
    2022, 58(1): 45-48. DOI: 10.11973/lhjy-wl202201012
    Abstract PDF
    Causes of black spots on surface of 38CrMoAl steel barrel for injection molding machine
    ZHOU Yang,
    2022, 58(1): 49-51. DOI: 10.11973/lhjy-wl202201013
    Abstract PDF
    Cause of crack of a 63CY-104 type swash plate piston pump shell
    LI Wenjuan, GUO Wenmin, GU Ziwang, ZHANG Honglin, HOU Nianhao, XU Huanhuan
    2022, 58(1): 52-56,61. DOI: 10.11973/lhjy-wl202201014
    Abstract PDF
    Cause of low transverse percentage reduction of areashrinkage of fracture MC11H connecting rod
    DENG Junwei, XU Junfeng, JIANG Zengqiang, WANG Lei, DAI Xuezhong
    2022, 58(1): 57-61. DOI: 10.11973/lhjy-wl202201015
    Abstract PDF
    Causes of abnormal magnetic particle detection of a GCr15 bearing steel blade ring after heat treatment
    ZHANG Baoming, SHANG Yanwei, NI Jun, ZHANG Binhui
    2022, 58(1): 62-63,71. DOI: 10.11973/lhjy-wl202201016
    Abstract PDF
    Causes of head cracking of high-temperature and high-pressure J-type dyeing machine
    WANG Haifeng, CHEN Xianfeng, CHENG Fei, DONG Weixiong, GUO Tao
    2022, 58(1): 64-66,75. DOI: 10.11973/lhjy-wl202201017
    Abstract PDF
    Cause of fracture of thickened part of N80-1 steel external upset tubing
    LI Guanghui, MI Yongfeng, XU Wanqi, HAO Baojiang, WANG Haibo
    2022, 58(1): 67-71. DOI: 10.11973/lhjy-wl202201018
    Abstract PDF
    Reasons of corrosion of ground gathering transportation pipeline elbow in an oil field
    QIAO Dekang, XI Wenbo, ZHANG Lunting, LI You, CHEN Hao, CAI Rui
    2022, 58(1): 72-75. DOI: 10.11973/lhjy-wl202201019
    Abstract PDF