Journal
CERAMICS INTERNATIONAL
Volume 39, Issue 8, Pages 9721-9726Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2013.04.053
Keywords
Sintering; Fracture toughness; Mechanical properties; Nanostructured material; Powder metallurgy
Categories
Funding
- Korea Institute of Geoscience and Mineral Resources (KIGAM)
- Ministry of Knowledge Economy of Korea
- Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Korea Government Ministry of Knowledge Economy [20114030200060]
- National Research Council of Science & Technology (NST), Republic of Korea [13-3111-1.2.3] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Solid-solution nanocrystalline powder, (Ti,Cr)C, was prepared via high-energy milling of Ti alloys with graphite resulting in the B1 structure (NaCl-like structure) phase. The synthesis process was investigated in terms of the phase evolution by analyzing XRD data. The rapid sintering of nanostuctured hard (Ti,Cr)C materials was performed by a high-frequency induction-heating sintering process. This process allows quick densification to near theoretical density and inhibits grain growth. A dense, nanostructured (Ti,Cr)C hard material with a relative density of up to 97% was produced by simultaneous application of 80 MPa and an induced current of 15 kW for 2 min. The microstructure and mechanical properties of the resulting binderless (Ti,Cr)C were investigated. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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