Affiliation: | 1.Department of Aero-Mechanical Engineering, Jungwon University, Chungbuk, Korea ;2.Graudate School, Department of Convergence Engineering, Jungwon University, Chungbuk, Korea ;3.Material and Component Center, Gyeonnam Technopark, Gyeongnam, Korea ;4.Korea Conformity Laboratories, Youngnam Regional Center, Busan, Korea ; |