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  1. No Access

    Article

    Fatigue life prediction analysis of automobile suspension system bracket considering residual stress due to thermal stress

    The stabilizer-bracket, one of the parts constituting the suspension, is mainly manufactured through welding due to its complicated shape. Shape fabrication through welding has residual stress due to mechanica...

    Kee Joo Kim, Jae-Woong Lee, Jun-Hyub Park in Journal of Mechanical Science and Technology (2024)

  2. No Access

    Article

    Study on effect of mean stress on fatigue life prediction of thin film structure

    This paper describes the effect of mean stress on fatigue life prediction of structure made with thin film. It is well known that the mean stress influences fatigue life prediction of mechanical structure. We ...

    Myung-Soo Shin, Jun-Hyub Park, Jung Yup Kim in Journal of Mechanical Science and Technology (2016)

  3. No Access

    Article

    Residual strain measurement of piezoelectric multilayers by spiral structure

    A new structure is described to measure the residual strain of thin film of piezoelectric multi-layers. The spiral shaped structure consists of the four fixed-guided beams. Piezoelectric multilayers consisting...

    Jun-Hyub Park, Young-Ryun Oh, Hyun-Suk Nam… in Journal of Mechanical Science and Technolo… (2012)

  4. No Access

    Article

    FEM analysis of multilayered MEMS device under thermal and residual stress

    It is essential to ensure reliability to produce a Micro-Electro Mechanical Systems(MEMS) on commercial scale. Reliability problem in inkjet printhead, one of MEMS, is also very important. To eject an ink drop...

    Jun-Hyub Park, Hyeon-Chang Choi in Microsystem Technologies (2005)

  5. No Access

    Article

    Prediction of residual stress distribution in multi-stacked thin film by curvature measurement and iterative FEA

    In this study, residual stress distribution in multi-stacked film by MEMS (Micro-Electro Mechanical System) process is predicted using Finite Element method FEMi. We develop a finite element program for residu...

    Hyeon Chang Choi, Jun Hyub Park in Journal of Mechanical Science and Technology (2005)

  6. No Access

    Article

    Fatigue test of MEMS device : a monolithic inkjet print

    A testing system was developed to improve the reliability of printhead and several printheads were tested. We developed a thermally driven monolithic inkjet printhead comprising dome-shaped ink chambers, thin ...

    Jun-Hyub Park, Yong Soo Oh in KSME International Journal (2004)