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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.1
- 수록면
- 1,808 - 1,818 (11page)
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초록· 키워드
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Wide application of hard composite materials in modern technologies stimulates a search for new compositions and moreefficient and cheaper ways of their obtaining. A novel Ti carbohydride/CuTi/CuTi2/GNP (few-layer graphene or graphitenanoplatelets) composites were produced via magnetic pulsed compaction of Ti, Cu and graphite powders mechanicallymilled in liquid organic medium for 4 h. Phase composition and microstructure were examined by X-ray diffraction, scanningelectron microscopy, transmission electron microscopy and Raman spectroscopy. Density, microhardness, ultimatecompression strength, abrasive wear resistance and sliding wear resistance of the composites were studied. The compositesconsisted of hexagonal and cubic titanium carbohydrides, CuTi2and CuTi intermetallics, ~ 5 wt% of GNP and amorphouscarbon. The presence of GNP and amorphous carbon resulted in higher wear resistance under conditions of dry frictionagainst steel (1 wt%C, 1.5 wt%Cr) but lower composite density, microhardness, ultimate compression strength and abrasionwear resistance as compared with the GNP-free composites.
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