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Korean Journal of Metals and Materials > Volume 54(12); 2016 > Article
Korean Journal of Metals and Materials 2016;54(12): 893-898. doi: https://doi.org/10.3365/KJMM.2016.54.12.893
나노구조 SiC-Graphene 복합재료 급속소결
전북대학교 신소재공학부 수소연료전지 연구센터
Rapid Sintering of Nanocrystalline SiC-Graphene Composites
In-Jin Shon
Division of Advanced Materials Engineering, the Research Center of Hydrogen Fuel Cell, Chonbuk National University, Jeonbuk 54896, Republic of Korea
Correspondence  In-Jin Shon ,Tel: +82-63-270-2381, Email: ijshon@chonbuk.ac.kr
Received: 1 June 2016;  Accepted: 18 July 2016.  Published online: 5 December 2016.
The low mechanical properties of SiC limit its wide application despite many attractive properties. To improve the mechanical properties, a second phase has been generally added to make a nanostructured composite. In this respect, graphene was evaluated as the reinforcing agent of SiC. SiC-graphene composites were sintered within 2 min by high-frequency induction heating under a pressure of 80 MPa. The rapid consolidation method allowed the retainment of the nano-scale microstructure by inhibiting the grain growth. The effect of graphene content on the microstructure and hardness of the SiC-graphene composite was investigated using FE-SEM and Vickers hardness tester.
Keywords: sintering, composites, nanostructured materials, mechanical properties
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