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- CP-Ti 분말로부터 스파크 플라즈마 소결한 타이타늄의 미세구조와 기계적 성질에 미치는 소결 온도의 영향
- 조경식, 송인범, 장민혁, 윤지혜, 오명훈, 홍재근, 박노광
- Effect of Sintering Temperature on Microstructure and Mechanical Properties for the Spark Plasma Sintered Titanium from CP-Ti Powders
- Kyeong-Sik Cho, In-Beom Song, Min-Hyeok Jang, Ji-Hye Yoon, Myung-Hoon Oh, Jae-Keun Hong, Nho-Kwang Park
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Journal of Korean Powder Metallurgy Institute 2010;17(5):365-372
DOI: https://doi.org/10.4150/KPMI.2010.17.5.365
1금오공과대학교 신소재시스템공학부
2금오공과대학교 신소재시스템공학부
3금오공과대학교 신소재시스템공학부
4금오공과대학교 신소재시스템공학부
5금오공과대학교 신소재시스템공학부
6한국기계연구원 재료연구소 특수합금연구그룹
7한국기계연구원 재료연구소 특수합금연구그룹
1School of Advanced Materials & System Engineering, Kumoh National Institute of Technology
2School of Advanced Materials & System Engineering, Kumoh National Institute of Technology
3School of Advanced Materials & System Engineering, Kumoh National Institute of Technology
4School of Advanced Materials & System Engineering, Kumoh National Institute of Technology
5School of Advanced Materials & System Engineering, Kumoh National Institute of Technology
6Special Alloys Research Group, Korea Institute of Materials Science (KIMS)
7Special Alloys Research Group,
2금오공과대학교 신소재시스템공학부
3금오공과대학교 신소재시스템공학부
4금오공과대학교 신소재시스템공학부
5금오공과대학교 신소재시스템공학부
6한국기계연구원 재료연구소 특수합금연구그룹
7한국기계연구원 재료연구소 특수합금연구그룹
1School of Advanced Materials & System Engineering, Kumoh National Institute of Technology
2School of Advanced Materials & System Engineering, Kumoh National Institute of Technology
3School of Advanced Materials & System Engineering, Kumoh National Institute of Technology
4School of Advanced Materials & System Engineering, Kumoh National Institute of Technology
5School of Advanced Materials & System Engineering, Kumoh National Institute of Technology
6Special Alloys Research Group, Korea Institute of Materials Science (KIMS)
7Special Alloys Research Group,
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Abstract
The evolution of sinterability, microstructure and mechanical properties for the spark plasma sintered(SPS) Ti from commercial pure titanium(CP-Ti) was studied. The densification of titanium with 200 mesh and 400 mesh pass powder was achieved by SPS at 750sim1100°C under 10 MPa pressure and the flowing H_2+Ar mixed gas atmosphere. The microstructure of Ti sintered up to 800°C consisted of equiaxed grains. In contrast, the growth of large elongated grains was shown in sintered bodies at 900°C with the 400 mesh pass powder and the lamella grains microstructure had been developed by increasing sintering temperature. The Vickers hardness of 240~270 HV and biaxial strength of 320~340 MPa were found for the specimen prepared at 950°C.
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