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  1. No Access

    Article

    Residual Stress Relaxation Behaviors and Fatigue Strength of Micro-Shot Peened EA4T Axle Steel under Constant and Variable Loading

    To investigate the residual stress relaxation behaviors and fatigue strength, EA4T steel specimens are subjected to micro-shot peening (MSP), and part of them are isothermally annealed at 250 °C for 2 hours. F...

    Jiwang Zhang, Hang Li, Shoudong Zhu… in Journal of Materials Engineering and Perfo… (2024)

  2. No Access

    Article

    Thermal Stress Field and Microstructure Evolution of Ti-6Al-4V Fabricated by Laser Engineered Net Sha**

    To investigate the thermal stress field and microstructure evolution of Ti-6Al-4V alloy component produced by laser engineered net sha** (LENS), numerical simulations are performed at both macroscale and mes...

    Liukui Hu, Jiwang Zhang, Hang Li, Kaixin Su… in Metals and Materials International (2024)

  3. No Access

    Article

    Investigation of plasma electrolytic oxidation coating formed on two Al–Si–Mg alloys via advanced X-ray computed tomography

    In this work, the influence of Si concentration on the microstructure and growth of plasma electrolytic oxidation (PEO) coatings on two types of Al–Si–Mg aluminum alloys were investigated. we utilized a multis...

    Hang Li, Jiwang Zhang, Shengchuan Wu, Baofeng Han… in Journal of Materials Science (2023)

  4. No Access

    Article

    Analysis on the Fatigue Properties of Shot-Peened Al-Si-Mg Alloy and Its Fatigue Life Prediction

    Ceramic micro-shot peening (CMSP) and steel micro-shot peening (SMSP) were utilized to investigate the effect of micro-shot peening (MSP) on the high-cycle fatigue properties of Al-7Si-0.3Mg casting aluminum a...

    Kaixin Su, Jiwang Zhang, Hang Li, Mingze Wu… in Journal of Materials Engineering and Perfo… (2020)

  5. No Access

    Article

    Very High Cycle Fatigue Properties of Ferritic-Pearlitic Steel after Micro-Shot Peening

    An alloyed ferritic-pearlitic steel is studied after micro-shot peening with balls from a high-speed steel. The morphology and the roughness of the surface of the specimens are determined. Specimens with smoot...

    Jiwang Zhang, Yanbin Zhang, Huaqiang Wang, Liantao Lu in Metal Science and Heat Treatment (2020)

  6. No Access

    Article

    Very High-Cycle Fatigue Properties and Residual Stress Relaxation of Micro-shot-Peened EA4T Axle Steel

    In this paper, EA4T alloy railway axle steel was shot peened with steel balls and ceramic balls with a diameter of 50 μm, and 109-cycle fatigue tests of unpeened and peened specimens were carried out. The fatigue...

    **xin Zhang, Jiwang Zhang, Bing Yang… in Journal of Materials Engineering and Perfo… (2019)

  7. No Access

    Article

    A method to rapidly and accurately evaluate the maximum inclusion size in medium strength steel

    The object of this paper is to propose a novel method to evaluate the maximum inclusion size in medium strength steel by ultrasonic fatigue testing. The inclusion sizes in the medium strength steel were evalua...

    Dongfang Zeng, Liantao Lu, Jiwang Zhang in Journal of Materials Research (2016)

  8. No Access

    Article

    Fatigue of Austempered Ductile Iron with Two Strength Grades in Very High Cycle Regime

    In this study, Austempered ductile irons (ADIs) with two different strength grades were produced and the fatigue properties were measured at 109 cycles. The results show that the S-N curves give a typical step-wi...

    Jiwang Zhang, Wei Li, Qingpeng Song… in Journal of Materials Engineering and Perfo… (2016)