생체유사환경에서 쇼트피닝 가공이 Ti-6Al-4V 합금의 부식저항에 미치는 영향
Effect of shot peening on the corrosive resistance of Ti-alloy under simulated body environment
김효선, 이용성, 정성균,
소속 상세정보
김효선 ( Kim Hyo-Seon ) - 서울과학기술대학교 에너지환경대학원 에너지시스템공학과
이용성 ( Lee Yong-Sung ) - 서울과학기술대학교 기계·자동차공학과
정성균 ( Cheong Seong-Kyun ) - 서울과학기술대학교 기계·자동차공학과
KMID : 1035320150420040385
Abstract
The effects of shot peening on the corrosive resistance of Ti-alloy under simulated body environment were studied in this paper. Three types of Ti-6Al-4V specimens were prepared for accelerated corrosion test. Machined specimen, micro-shot peened specimen, and shot blasted specimen were exposed to the saline solution of 0.9 % NaCl under a constant current of 10 mA. FE-SEM and EDS were used for the analysis of corroded specimens. The experimental results show that the shot peening process is more effective than the blasting process, which is currently applied to the manufacturing process of dental implant for increasing the corrosive resistance of Ti-alloy.
키워드
티타늄 합금(Ti-alloy); 쇼트피닝(Shot peening); 부식(Corrosion); 치아 임플란트(Dental implant)
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