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    Evaluation on Measurement Uncertainty of Elastic Modulus According to ISO 6892-1:2019 Annex G
    GAO Yifei, LIANG Xinbang
    2021, 57(4): 1-6. DOI: 10.11973/lhjy-wl202104001
    Abstract PDF
    Practice and Thinking of Test Rate Control for GB/T 228. 1-2010
    HUANG Xing, ZHANG Liemin, WANG Min
    2021, 57(4): 7-11,18. DOI: 10.11973/lhjy-wl202104002
    Abstract PDF
    Influence of Test Machine Coaxiality on Elastic Modulus Measurement of Metal Materials
    WANG Bin, HU Guolin, GUO Zhao
    2021, 57(4): 12-14. DOI: 10.11973/lhjy-wl202104003
    Abstract PDF
    Analysis and Revision Suggestions on Elongation after Fracture Measurement Method of GB/T 228. 1-2010
    LU Meijiao, LI Rongfeng, LÜ Chao, LI Yan
    2021, 57(4): 15-18. DOI: 10.11973/lhjy-wl202104004
    Abstract PDF
    Implementation of Method A in GB/T 228. 1-2010 by Using Crosshead Displacement Rate
    PENG Jianzhang, LI Rongfeng
    2021, 57(4): 19-21,24. DOI: 10.11973/lhjy-wl202104005
    Abstract PDF
    Suggestions on Preparation of Tensile Sample in GB/T 228. 1-2010
    ZHU Hongdan, ZHANG Bin
    2021, 57(4): 22-24. DOI: 10.11973/lhjy-wl202104006
    Abstract PDF
    Influence of Technology Parameters on Weld Solidification Crack Sensitivity of 5052 Al-Mg Alloy
    CHEN Yu, ZHANG Tianli, YU Hang, CHEN Haoxin
    2021, 57(4): 25-28,33. DOI: 10.11973/lhjy-wl202104007
    Abstract PDF
    Microstructure and Texture Changes of Non-oriented Silicon Steel in the Whole Process
    LIU Yunxia, LI Yue, CHENG Lin, CAO Ruifang, LIU Gongtao, LIU Xiaoqiang, AN Dongyang, LI Zelin
    2021, 57(4): 29-33. DOI: 10.11973/lhjy-wl202104008
    Abstract PDF
    Effect of Accelerating Voltage and Spectrum Series on the Distribution of W in SiC/W Diffusion Couple
    SHANG Junling, WU Lixiang
    2021, 57(4): 34-38. DOI: 10.11973/lhjy-wl202104009
    Abstract PDF
    Development and Application of Corrosion Fatigue Test System
    XING Chengliang, SUN Xiaoran, AN Zhiguo, ZHAO Zhongyu, SONG Yue, SUN Jianghuan, BAI Lijuan
    2021, 57(4): 39-42,47. DOI: 10.11973/lhjy-wl202104010
    Abstract PDF
    Fracture Causes of Dissimilar Steel Welded Joint of Platen Superheater in a Boiler
    LI Wanchao, XU Hang, LIANG Baoqi
    2021, 57(4): 43-47. DOI: 10.11973/lhjy-wl202104011
    Abstract PDF
    Defect Causes of Nondestructive Testing of L458M Steel Pipeline
    WANG Haitao, LI Shili, JU Jianbo, ZHANG Zhi, LUO Yanlong
    2021, 57(4): 48-50,57. DOI: 10.11973/lhjy-wl202104012
    Abstract PDF
    Cracking Causes of Main Drive Shaft of Elevator
    WANG Sen, SUN Mingzheng
    2021, 57(4): 51-54,62. DOI: 10.11973/lhjy-wl202104013
    Abstract PDF
    Early Fracture Causes of Valve Spring
    NIE Lun
    2021, 57(4): 55-57. DOI: 10.11973/lhjy-wl202104014
    Abstract PDF
    Falling Block Causes of Turbine Blade Edge Plate in an Engine
    LIU Liyu, ZHANG Jian, XIONG Jichun, CHEN Jun
    2021, 57(4): 58-62. DOI: 10.11973/lhjy-wl202104015
    Abstract PDF
    Failure Causes of Ball Socket Bearing of Pantograph Pull Rod in a Metro
    DONG Xuechun
    2021, 57(4): 63-66,72. DOI: 10.11973/lhjy-wl202104016
    Abstract PDF
    Cracking Causes of Internal Pipeline Components of a Certain Type Tactical Vehicle
    XU Cheng, SHA Chunsheng, LIU Haiying, ZHANG Yi, DONG Dehao
    2021, 57(4): 67-72. DOI: 10.11973/lhjy-wl202104017
    Abstract PDF
    Cracking Causes of Sampling Pipe of High Pressure Superheater for Waste Heat Boiler
    LI Gen, LI Yang, SU Xiaoyang, SHANG Wei, LIU Xinying
    2021, 57(4): 73-76. DOI: 10.11973/lhjy-wl202104018
    Abstract PDF
    Deformation Causes of Pipe Clamp for Pipe Hanger
    LIU Ming, HU Xin, CHEN Rui
    2021, 57(4): 77-79. DOI: 10.11973/lhjy-wl202104019
    Abstract PDF