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    Size Effect and Engineering Application for Charpy V-Notch Impact Test
    LIU Xuezheng, PU Xiaoming, JING Shiyu, GUO Yingjun, LI Ming, ZHANG Yong
    2020, 56(5): 1-5,9. DOI: 10.11973/lhjy-wl202005001
    Abstract PDF
    Cause Analysis on Discoloration of Surface Paint of a Missile
    JIN Wei
    2020, 56(5): 6-9. DOI: 10.11973/lhjy-wl202005002
    Abstract PDF
    Effect of Deformation Temperatures and Deformation Amount on Cracking of Cr12MoV Steel
    WANG Chengming, AN Zhiguo, SUN Xiaoran, HAI Yan, REN Shuai
    2020, 56(5): 10-14,20. DOI: 10.11973/lhjy-wl202005003
    Abstract PDF
    Cause and Applicability Analysis on Abnormal Fracture of DWTT Sample of X80M High Strength and Toughness Thick Wall Pipeline Steel
    HE Xiaodong
    2020, 56(5): 15-20. DOI: 10.11973/lhjy-wl202005004
    Abstract PDF
    A New Metallographic Etchant of High Purity Gold
    XIA Wen, WANG Shuming, YANG Yin, LIU Shufeng
    2020, 56(5): 21-22,26. DOI: 10.11973/lhjy-wl202005005
    Abstract PDF
    Comparison of Decarburization Depth Measurement Methods
    WANG Yanyang, CHEN Bin, HOU Zongbao, WANG Huaiwei, CHENG Yanan, FU Shengli
    2020, 56(5): 23-26. DOI: 10.11973/lhjy-wl202005006
    Abstract PDF
    Evaluation on Uncertainty of Maximum Strain of Connecting Shaft of Rotor Body under Constant Load
    JIA Shijun, WU Jiajie, LIU Yang, BA Fahai
    2020, 56(5): 27-30. DOI: 10.11973/lhjy-wl202005007
    Abstract PDF
    Application of Thermal Expansion Coefficient Measurement by Push Rod Method in Material Properties Study
    ZHANG Hongju, XIAO Xinrui, WANG Yu, JIN Yujia, ZHANG Henglei
    2020, 56(5): 31-35. DOI: 10.11973/lhjy-wl202005008
    Abstract PDF
    Determination Rules and Risk Level of Conformity of Sample Test Results
    CAO Xiaofen, LI Yan, ZHAO Qiuli
    2020, 56(5): 36-38,55. DOI: 10.11973/lhjy-wl202005009
    Abstract PDF
    Corrosion Reasons Analysis of Single Well Pipeline in an Oil Field
    LI Peng, CAI Rui
    2020, 56(5): 39-42,47. DOI: 10.11973/lhjy-wl202005010
    Abstract PDF
    Cause Analysis on Fracture of Fastening Stud of Diesel Engine in a Nuclear Power Unit
    ZHANG Yuzhong, YANG Zheyi, SHI Zhigang, ZHANG Baozhu
    2020, 56(5): 43-47. DOI: 10.11973/lhjy-wl202005011
    Abstract PDF
    Cause Analysis on Cracking of a Cut Off Valve
    QIU Kangyong, WU Jiquan, HE Yan
    2020, 56(5): 48-51,55. DOI: 10.11973/lhjy-wl202005012
    Abstract PDF
    Cause Analysis on Fracture of 42CrMo Steel Triangular Spiral Drill Pipe Joint
    YU Shijie, GONG Danmei, CHEN Meng, OUYANG Zhiying
    2020, 56(5): 52-55. DOI: 10.11973/lhjy-wl202005013
    Abstract PDF
    Cause Analysis on Cracking of H65 Brass Cable Terminal of a Automobile Battery
    XUE Xicai, SHAO Baiming, NI Lei, ZHU Lingbin, JIA Shanghua
    2020, 56(5): 56-58,62. DOI: 10.11973/lhjy-wl202005014
    Abstract PDF
    Cause Analysis on Fracture of Cutter Tower Mandrel in a Machining Center
    ZHU Zexiao, ZHU Jiang, LI Zhenhua
    2020, 56(5): 59-62. DOI: 10.11973/lhjy-wl202005015
    Abstract PDF
    Cause Analysis on Cracking of Steel Wire after Drawing ER307Si Stainless Steel Wire Rod
    CHEN Chao
    2020, 56(5): 63-65,70. DOI: 10.11973/lhjy-wl202005016
    Abstract PDF
    Cause Analysis on Fracture of Induced Draft Fan Blade of a Boiler
    CHEN Xuejin, HAN Jiceng, LIN Haiqing
    2020, 56(5): 66-70. DOI: 10.11973/lhjy-wl202005017
    Abstract PDF
    Cause Analysis on Cracking of Sampling Pipe on Main Steam Pipeline in a Thermal Power Plant
    HAO Jun, LI Gang, CHENG Yongming
    2020, 56(5): 71-73. DOI: 10.11973/lhjy-wl202005018
    Abstract PDF