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    Overview of Grain Size Standards at Home and Abroad
    CHENG Lijie
    2019, 55(8): 515-525,529. DOI: 10.11973/lhjy-wl201908001
    Abstract PDF
    Application of Picric Acid Solution Containing High Concentration Corrosion Inhibitor in Direct Etching Test of Austenite Grain Size
    ZHENG Juntao, LU Nana, TANG Minjun, ZHUANG Xiaowei
    2019, 55(8): 526-529. DOI: 10.11973/lhjy-wl201908002
    Abstract PDF
    Display Method of Grain Size of GCr15 Steel in Different Heat Treatment States
    YU Yajie, SHI Jingsong
    2019, 55(8): 530-532. DOI: 10.11973/lhjy-wl201908003
    Abstract PDF
    Optimum Methods of Grain Display of PH13-8Mo Precipitation-hardening Stainless Steel for Aviation
    HE Jun, ZHU Ling, BAO Jing, ZHU Kai, LUO Qing
    2019, 55(8): 533-537,541. DOI: 10.11973/lhjy-wl201908004
    Abstract PDF
    Optimum Method for Grain Display of High Strength Steel A-100
    LIU Yufen
    2019, 55(8): 538-541. DOI: 10.11973/lhjy-wl201908005
    Abstract PDF
    Application of GB/T 6394-2017 in Grain Size Determination of Titanium Alloy
    SHI Wen, ZHANG Lei, LI Xiao
    2019, 55(8): 542-546. DOI: 10.11973/lhjy-wl201908006
    Abstract PDF
    Color Metallographic Etching Method of Multiphase Microstructure in Alloy Steel
    GUO Haixia, HUANG Anqi
    2019, 55(8): 547-549,578. DOI: 10.11973/lhjy-wl201908007
    Abstract PDF
    Display Method of Austenite Grain of 4330V Quenched and Tempered Steel
    DAI Lin
    2019, 55(8): 550-552. DOI: 10.11973/lhjy-wl201908008
    Abstract PDF
    A Method to Etching Microstructure Suitable for Austenite Grain Size Rating of GH4169 Nickel Alloy
    GU Xiurui, AN Zhiguo, SUN Xiaoran, JU Xiaoran
    2019, 55(8): 553-554,582. DOI: 10.11973/lhjy-wl201908009
    Abstract PDF
    Effects of Strain Rate Control on Static Tensile Properties of Metallic Materials
    ZHANG Youwei
    2019, 55(8): 555-560,587. DOI: 10.11973/lhjy-wl201908010
    Abstract PDF
    Investigation on Several Methods for Testing Cathodic Protection Parameters
    WANG Zhenjia, PEI Tinggang, XU Yong, ZUO Youbing, LI Peng, LI Xiaorong, FU Yingkui, TANG Xiaomei, LIN Xiuzhou
    2019, 55(8): 561-564,568. DOI: 10.11973/lhjy-wl201908011
    Abstract PDF
    Calibration and Uncertainty Evaluation of Magnetic Hardness Tester
    JIANG Fan, GUO Biao, KANG Zhangyi, LI Mao, LIU Yi
    2019, 55(8): 565-568. DOI: 10.11973/lhjy-wl201908012
    Abstract PDF
    Test Method for Bending Performance of Aluminum Alloy Automobile Plate
    WANG Liang, LIU Jingtao
    2019, 55(8): 569-571. DOI: 10.11973/lhjy-wl201908013
    Abstract PDF
    Analysis on Results of Proficiency Test of Plastics Flexural Property
    MENG Xiangyan, CHEN Hailing, YU Tian, ZHANG Jilei, ZHENG Huibao, JIN Wenlan, YANG Xueyan
    2019, 55(8): 572-575. DOI: 10.11973/lhjy-wl201908014
    Abstract PDF
    Selection of Test Method for the Closed Cup Flash Point of Flammable Liquids
    ZHOU Xiuqing, HE Zhirong
    2019, 55(8): 576-578. DOI: 10.11973/lhjy-wl201908015
    Abstract PDF
    Analysis on Cracking Cause and Mechanism of Hot Shortness of Hot Forged Brass Valve
    WANG Yan, ZHANG Li, MENG Xiankuo, ZHAO Pengfei, WU Shipin
    2019, 55(8): 579-582. DOI: 10.11973/lhjy-wl201908016
    Abstract PDF
    Perforation Cause Analysis of 90° Gas Transmission Elbow Pipe of Oilfield Wellhead
    BAI Qiang, ZHU Wenjun, WANG Guangming, LI Dejun
    2019, 55(8): 583-587. DOI: 10.11973/lhjy-wl201908017
    Abstract PDF
    Failure Analysis on Cracking of Sulfuric Acid Pipeline in a Petrochemical Plant
    SUN Ming, KANG Chun, LI Yuexiao, LI Zhiguo, REN Tianshu, ZHANG Yao
    2019, 55(8): 588-592. DOI: 10.11973/lhjy-wl201908018
    Abstract PDF