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    Key Quality Indexes and Influencing Factors of Supersonic Spraying Coating for Boiler Water Wall Tubes
    YANG Chao, SHI Renqiang, WANG Shutao
    2020, 56(9): 1-6,10. DOI: 10.11973/lhjy-wl202009001
    Abstract PDF
    Effect of Defect Depth on Rotational Bending Fatigue Properties of Laser Remanufactured Samples of 30CrMnSiA Steel
    ZHU Zhaoqi, LIU Qian, QIU Weike, WANG Hongbin, WU Yiwen
    2020, 56(9): 7-10. DOI: 10.11973/lhjy-wl202009002
    Abstract PDF
    Optimization of Detection Parameters for Crushing Strength and Deformation Amount of Cigarette Breakable Capsules
    LI Longjin, QIAO Cong, GU Wenbo, LI Tianhong, HUA Qing
    2020, 56(9): 11-15,19. DOI: 10.11973/lhjy-wl202009003
    Abstract PDF
    Influence of Sample Protrusion and Polishing Time on Forming Parameters of Titanium Matrix Composites Sample Preparation
    MA Xiaoli, LIU Li, CHEN Qiulong, WANG Liqiang
    2020, 56(9): 16-19. DOI: 10.11973/lhjy-wl202009004
    Abstract PDF
    Preparation Method of Transmission Electron Microscope Sample of Cast Aluminum Alloy by Non-uniform Treatment
    KUANG Hongcong, XIAO Yongtong, ZHOU Peng, CHEN Yingxin, CHEN Wen
    2020, 56(9): 20-23. DOI: 10.11973/lhjy-wl202009005
    Abstract PDF
    Sampling Problems in Direct Reading Spectrum Test for Chemical Composition of Automotive Cast Aluminum Alloy
    WANG Caimei
    2020, 56(9): 24-27. DOI: 10.11973/lhjy-wl202009006
    Abstract PDF
    Electron Probe Microanalysis Method for N Element in Ti Containing High Entropy Alloy
    YU Fengyun, LI Shaowei, LI Chunyan, ZOU Longjiang
    2020, 56(9): 28-30,38. DOI: 10.11973/lhjy-wl202009007
    Abstract PDF
    Uncertainty Evaluation in Measurement of Compression Spring Stiffness
    WU Jiajie, JIA Shijun
    2020, 56(9): 31-34,38. DOI: 10.11973/lhjy-wl202009008
    Abstract PDF
    Uncertainty Evaluation of Tensile Strength in Wedge Load Test of High Strength Large Hexagon Bolt for Steel Structure
    LIU Yang, JIA Shijun, BA Fahai
    2020, 56(9): 35-38. DOI: 10.11973/lhjy-wl202009009
    Abstract PDF
    Processing Requirements and Quality Control of Charpy V-notch Impact Specimen in Domestic and Overseas Standards
    LI Yan, LU Meijiao
    2020, 56(9): 39-42,50. DOI: 10.11973/lhjy-wl202009010
    Abstract PDF
    Cause of Cracking on High-pressure Hose Tube Fitting for Hydraulic Excavator
    WU Xin
    2020, 56(9): 43-46. DOI: 10.11973/lhjy-wl202009011
    Abstract PDF
    Cause of Cracking on Gas Collecting Tube of Hydrogen Production Plant
    LU Xuemei, HUANG Chaopeng, SONG Wenming, LI Yanjiao, JIA Yani, SHI Jiqing
    2020, 56(9): 47-50. DOI: 10.11973/lhjy-wl202009012
    Abstract PDF
    Cause of Tooth Breakage of Automobile Synchronizer Gear Sleeve
    YANG Yong, ZHANG Yu
    2020, 56(9): 51-55,60. DOI: 10.11973/lhjy-wl202009013
    Abstract PDF
    Cause of Fracture of Engine Block
    ZHU Lingbin, SHAO Baiming, XUE Xicai, JIA Shanghua
    2020, 56(9): 56-60. DOI: 10.11973/lhjy-wl202009014
    Abstract PDF
    Cause of Fracture of 50Cr Steel Shaft during Machining
    ZHU Bin, XU Honghao, ZHANG Quanxin
    2020, 56(9): 61-63. DOI: 10.11973/lhjy-wl202009015
    Abstract PDF
    Cause of Fracture of Polycarbonate Power Button
    PENG Bo, CHEN Zijun, TANG Yanhuang, XU Huanxiang, LIU Zilian, ZHU Gang
    2020, 56(9): 64-67. DOI: 10.11973/lhjy-wl202009016
    Abstract PDF
    Cause of Fracture on Screw Mandrel for Large Scale Extrusion Granulator
    YU Fengyun, QI Lin, SHI Shuyan, ZOU Longjiang
    2020, 56(9): 68-71. DOI: 10.11973/lhjy-wl202009017
    Abstract PDF
    Cause of Cracking on Construction Machinery Pin Shaft
    FAN Quanbao, LI Jinbo, LI Shichao, LI Ang
    2020, 56(9): 72-74. DOI: 10.11973/lhjy-wl202009018
    Abstract PDF