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Journal of KWJS 2008;26(6):74-80.
Published online January 13, 2009.
유한요소 시뮬레이션을 통한 저온 분사 코팅의 계면 접합에 대한 연구
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Finite Element Simulation of Interface Bonding in Kinetic Sprayed Coatings
Gyuyeol Bae, Kicheol Kang, Sanghoon Yoon, Changhee Lee
Abstract
  A finite element modeling approach has been described for the simulation and analysis of the micron-scaled solid particle impact behavior in kinetic spraying process, using an explicit code (ABAQUS 6.7-2). High-strain-rate plastic deformation and interface bonding features of the copper, nickel, aluminum, and titanium were investigated via FEM in conjunction with the Johnson-Cook plasticity model. Different aspects of adiabatic shear instabilities of the materials were characterized as a concept of thermal boost-up zone (TBZ), and also discussed based upon energy balance concept with respect to relative recovery energy (RRE) for the purpose of optimizing the bonding process.
Key Words: Kinetic spraying, Finite element modeling (FEM), High-strain-rate impact behavior, Interface bonding, Coating


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