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- 플라즈마 공정으로 구상화된 티타늄 분말과 금속사출성형 공정을 이용한 치과용 부품 제조
- 곽지나, 양상선, 윤중열, 김주용, 박성진, 김현승, 김용진, 박용호
- Preparation of Metal Injection Molded Dental Components using Spheroidized Ti Powders by Plasma Process
- Ji-Na Gwak, Sangsun Yang, Jung-Yeul Yun, Ju-Yong Kim, Seongjin Park, Hyun-Seung Kim, Yong-Jin Kim, Yong-Ho Park
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Journal of Powder Materials 2013;20(6):467-473
DOI: https://doi.org/10.4150/KPMI.2013.20.6.467
2한국기계연구원 부설 재료연구소 분말기술연구그룹
3한국기계연구원 부설 재료연구소 분말기술연구그룹
4(주)기노리 기술연구소
5포항공대 기계공학과
6(주)메가젠임플란트
7한국기계연구원 부설 재료연구소 분말기술연구그룹
8부산대학교 재료공학과
1Powder Technology Department, Korea institute of Materials Science(KIMS)
2Powder Technology Department, Korea institute of Materials Science(KIMS)
3Powder Technology Department, Korea institute of Materials Science(KIMS)
4R&D Center, KINORI Corporation
5Division of Advanced Nuclear Engineering, Pohang University of Science and Technology Pohang
6R&D Center, Megagen Implant Co., Ltd.
7Powder Technology Department, Korea institute of Materials Science(KIMS)
8Department of Materials Science and Engineering, Pusan National University
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Abstract
This research presents a preparation method of dental components by metal injection molding process (MIM process) using titanium scrap. About 20µm sized spherical titanium powders for MIM process were successfully prepared by a novel dehydrogenation and spheroidization method using in-situ radio frequency thermal plasma treatment. The effects of MIM process parameters on the mechanical and biological properties of dental components were investigated and the optimum condition was obtained. After sintering at 1250°C for 1 hour in vacuum, the hardness and the tensile strength of MIMed titanium components were 289 Hv and 584 MPa, respectively. Prepared titanium dental components were not cytotoxic and they showed a good cell proliferation property.
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