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    Article

    Enhancement of Drucker-Prager yield model by adding corner points for pressure-dependent materials

    To flexibly describe the pressure-dependent behaviors of materials, Drucker-Prager yield model is enhanced by introducing corner points. We call it piecewise Drucker-Prager (pDP) yield model. Constitutive mode...

    Kwangmin Lee, Karuppasamy Pandian Marimuthu… in Journal of Mechanical Science and Technolo… (2021)

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    Article

    Study on high temperature processing of biocompatible Ti-10Ta-10Nb alloys

    Specimens of Ti-10Ta-10Nb have become hot forging after being heated to the state of α + β or â-phase. Various temperatures (650, 700, 750, 800, 850°C) and strain rates (0.001, 0.01, 0.1, 1, 10 s−1) are used. Bas...

    Jaesam Ban, Kwangmin Lee, Gabwoon Hwang… in International Journal of Precision Enginee… (2013)