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Metal-polymer Joining Method with Laser Structuring to Enhance Cross-tension Strength
S. Chey(최석영),J. Y. Choi(최준영),G. Y. Kim(김근영),J. Y. Kim(김지엽),J. Lee(이중혁),A. K. Han(한경원),D. H. Kim(김도회),J. Jeong(정준영),S. J. Hong(홍석주),N. R. Yoon(윤나래),J. H. Hwang(황준호),H. D. Kim(김현덕),Y. S. Gu(구윤식),J. W. C Korean Society for Precision Engineering 2023 한국정밀공학회 학술발표대회 논문집 Vol.2023 No.11
홍성호(S.H.Hong),홍석주(S.J.Hong) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.4
Power plant Piping operating at elevated temperature often fails prematurely by the growth of<br/> microcracks under creep conditions. Therefore, the life assessment of high temperature components that<br/> contain cracks is an important technological problem. The mechanisms of crack growth in simple<br/> metals and alloys have been investigated using both mechanical and microstructural approaches. In this<br/> study, life prediction accounting for creep, crack growth and thermal stress is analyzed.
원종진(C.J.Won),이종선(J.S.Lee),홍석주(S.J.Hong) 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.5_2
The objective of this study is to investigate effects of prebuckling on the buckling of laminated composite cylindrical shells. Axial compression and lateral pressure are considered for laminated composite cylindrical shells with length to radius ratios. The shell walls are made of a laminate with several symmetric ply orientations. the study was made using finite difference energy method, utilizing the nonlinear bifurcation branch with nonlinear prebuckling displacements. The results are compared to the buckling loads determined when membrane prebuckling displacemnets are considered.<br/>