期刊
CERAMICS INTERNATIONAL
卷 49, 期 5, 页码 8140-8147出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2022.10.337
关键词
SiC; 3-Dimensional graphene networks; Al matrix composites; SPS
A series of SiC/Al composites with different contents of 3-dimensional graphene networks (3DGN) were prepared using mechanical alloying and spark plasma sintering. The effects of 3DGN on the microstructure, mechanical properties, and corrosion behaviors of SiC-3DGN/Al composites were investigated. The results showed that 3DGN substantially enhanced the synergistic strength-toughness of SiC/Al composites by improving the interface cohesion and increasing hardness, density, ductility, and corrosion resistance in NaCl solution.
A series of SiC/Al composites with different contents of 3-dimensional graphene networks (3DGN) were prepared by using mechanical alloying (MA) and spark plasma sintering (SPS). The effects of 3DGN on the microstructure, mechanical properties and corrosion behaviors of SiC-3DGN/Al composites were investigated. The results show that the 3DGN can substantially enhance the synergistic strength-toughness of SiC/Al composites. Compared with SiC/Al composites, the SiC-3DGN/Al composites demonstrate stronger interface cohesion, and an increase in hardness (56.5%), density, ductility and corrosion resistance in NaCl solution. The reason is that 3DGN results in enhanced interface cohesion by reducing defective interface between the reinforcement and the matrix.
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