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  1. No Access

    Chapter and Conference Paper

    Heat Transfer and Thermal Stress Analysis of PDC Cutter in Rock Breaking Process

    With the continuous increase of human demand for oil and natural gas, the exploration and development of oil and gas wells have gradually moved from conventional formation to deep formation. PDC bits are widel...

    Zengzeng Zhang, Yan Zhao, Congshan Zhang in Advances in Heat Transfer and Thermal Engi… (2021)

  2. No Access

    Article

    Hybrid reliability analysis and robust optimum process design as applied to hot stam** of steel sheets

    In the process of hot stam** of steel sheet, there may appear crack and wrinkling defects. Therefore, in the early stage of die design, it is necessary to evaluate the reliability of its quality and optimize...

    Yuantao Sun, Kaige Chen, Qing Zhang… in The International Journal of Advanced Manu… (2020)

  3. No Access

    Article

    Multiple failure mode reliability modeling and analysis in failure crack propagation based on time-varying copula

    The fatigue failure of crack structure is influenced by fracture failure and static strength failure in the process of its growth. And the correlation characteristics between them change with the crack growth,...

    Yuantao Sun, Zengzeng Zhang, Qing Zhang… in Journal of Mechanical Science and Technolo… (2018)