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    Application of Coercivity Force in Pre-evaluation of Heat Treatment Quality
    SHEN Zhengxiang, NIU Yaping, CHEN Hu, WANG Du, CAI Penghui, WU Junlin, HU Yingjie
    2020, 56(2): 1-5. DOI: 10.11973/lhjy-wl202002001
    Abstract PDF
    Effect of Different Locations and Types of H Steel Section Samples on Tensile Test Results
    WANG Manjuan, CHEN Bin, JIANG Jin
    2020, 56(2): 6-9,14. DOI: 10.11973/lhjy-wl202002002
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    Uncertainty Evaluation on Resistivity of Round Wires of Copper Alloy by Measuring Sectional Area with Different Methods
    LIU Zhiying, WANG Lei, RAO Jinwu, WANG Lili
    2020, 56(2): 10-14. DOI: 10.11973/lhjy-wl202002003
    Abstract PDF
    New Metallographic Test Method of Phase Transformation Temperatures of β-titanium Alloy
    MA Hongzheng, YANG Junhong, HE Wei, DU Xiaoping, SHI Kexue, ZHAI Tongde
    2020, 56(2): 15-20. DOI: 10.11973/lhjy-wl202002004
    Abstract PDF
    Influence Factors of Roping Line of Aluminum Alloy Automobile Panel
    WANG Liang, ZHANG Zedong, DU Min, XU Kun
    2020, 56(2): 21-24. DOI: 10.11973/lhjy-wl202002005
    Abstract PDF
    Measurement Uncertainty Evaluation on Verification/Calibration Process of Thermogravimetric Analyzer
    WANG Qianqian, ZHOU Yanping, LIU Yunchuan, WANG Xuerong, YAO Kai, DUAN Jian
    2020, 56(2): 25-27. DOI: 10.11973/lhjy-wl202002006
    Abstract PDF
    Improvement and Application of Clamp of Repeated Bending Test
    LIU Xibei, MA Hui, WANG Bin, ZHAO Jiangyong, JIN Baoyan
    2020, 56(2): 28-30. DOI: 10.11973/lhjy-wl202002007
    Abstract PDF
    Cause Analysis on Fracture of Overhead Ground Wire Based on Consideration of Crimping Quality
    ZHANG Tao, XIE Liming, QIAO Xin, ZHANG Xuechao, TAN Xiaomeng, SUN Yunfei
    2020, 56(2): 31-34,43. DOI: 10.11973/lhjy-wl202002008
    Abstract PDF
    Cause Analysis on Internal Defects of AgCuV Alloy Conductive Slip Ring
    HAN Tianqi, QI Yuefeng, WANG Feng, JIAO Lei
    2020, 56(2): 35-38,51. DOI: 10.11973/lhjy-wl202002009
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    Cause Analysis on Cracking of 42CrMo Steel Worm
    GAN Meilu, ZHANG Qiang, WANG Shuqiang, ZHOU Tao, MA Shuna
    2020, 56(2): 39-43. DOI: 10.11973/lhjy-wl202002010
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    Cause Analysis on Tube Burst of Superheater Tube of T91 Steel in Supercritical Boiler
    BAI Jia, LIU Ming
    2020, 56(2): 44-47,54. DOI: 10.11973/lhjy-wl202002011
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    Cause Analysis on Fracture of Pantograph Torsion Spring Made of 0Cr17Ni7Al Steel
    YU Huanwu, HUANG Sijun, XU Jun, XU Yufeng
    2020, 56(2): 48-51. DOI: 10.11973/lhjy-wl202002012
    Abstract PDF
    Cause Analysis on Cracking of Optical Module Reflector
    LI Song, GENG Xue
    2020, 56(2): 52-54. DOI: 10.11973/lhjy-wl202002013
    Abstract PDF
    Cause Analysis on Cracking of Weld Seam of Dyeing Cylinder Heat Exchanger
    XIE Xiaowu, LIU Kexiu, MA Kuo
    2020, 56(2): 55-57. DOI: 10.11973/lhjy-wl202002014
    Abstract PDF
    Failure Analysis on Cracking of Elastic Cylindrical Pin
    LI Jianyu
    2020, 56(2): 58-60. DOI: 10.11973/lhjy-wl202002015
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    Cause Analysis on Pulling Out of φ177.8 mm Casing with Buttress Thread Connection in an Oil Well
    TENG Xueqing, ZHU Jinzhi, LÜ Shuanlu, HAN Yong, MA Lei, AI Yong
    2020, 56(2): 61-63,66. DOI: 10.11973/lhjy-wl202002016
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    Cause Analysis on Coating Surface Defects of Non-oriented Silicon Steel Plate
    CHEN Man, ZOU Zhongkui
    2020, 56(2): 64-66. DOI: 10.11973/lhjy-wl202002017
    Abstract PDF
    Analysis on Leakage of BFe10-1-1 Cupronickel Tube of Heat Exchanger in Ultra Supercritical Thermal Power Unit
    YANG Ping
    2020, 56(2): 67-70. DOI: 10.11973/lhjy-wl202002018
    Abstract PDF