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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.1
- 수록면
- 301 - 306 (6page)
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Titanium alloys are extensively used in high-temperature applications due to their excellent high strength andcorrosion resistance properties. However, titanium alloys are problematic because they tend to be extremely difficult-tocutmaterial. In this paper, the powder synthesis, spark plasma sintering (SPS), bulk material characteristics and machinabilitytest of hybrid Ti2AlC ceramic bulk materials were systematically examined. The bulk samples mainly consistedof Ti2AlC materials with density close to theoretical value were synthesized by a SPS method. Random orientation andgood crystallization of the Ti2AlC was observed at 1100oC for 10 min under SPS sintering conditions. Scanning electronmicroscopy results indicated a homogeneous distribution and nano-laminated structure of Ti2AlC MAX phase. The hardnessand electrical conductivity of Ti2AlC were higher than that of Ti 6242 alloy at sintering temperature of 1000oC~1100oC. Consequently, the machinability of the hybrid Ti2AlC bulk materials is better than that of the Ti 6242 alloy formicro-EDM process of micro-hole shape workpiece.
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