Cite this article as:

Zuo-li Li, Jun Zhao, Jia-lin Sun, Feng Gong, and Xiu-ying Ni, Reinforcing effect of graphene on the mechanical properties of Al2O3/TiC ceramics, Int. J. Miner. Metall. Mater., 24(2017), No. 12, pp.1403-1411. https://dx.doi.org/10.1007/s12613-017-1533-z
Zuo-li Li, Jun Zhao, Jia-lin Sun, Feng Gong, and Xiu-ying Ni, Reinforcing effect of graphene on the mechanical properties of Al2O3/TiC ceramics, Int. J. Miner. Metall. Mater., 24(2017), No. 12, pp.1403-1411. https://dx.doi.org/10.1007/s12613-017-1533-z
引用本文 PDF XML SpringerLink

Reinforcing effect of graphene on the mechanical properties of Al2O3/TiC ceramics

摘要: Multilayer graphene (MLG)-reinforced Al2O3/TiC ceramics were fabricated through hot pressing sintering, and the reinforcing effect of MLG on the microstructure and mechanical properties of the composites was investigated by experiment and simulation. The simulation of dynamic crack initiation and propagation was investigated based on the cohesive zone method. The results show that the composite added with 0.2wt% MLG has excellent flexural strength and high fracture toughness. The major reinforcing mechanisms are the synergistic effect by strong and weak bonding interfaces, MLG pull-out, and grain refinement resulting from the addition of MLG. In addition, the aggravating of crack deflection, branching, blunting, and bridging have indispensable contribution to the improvement of the as-designed materials.

 

Reinforcing effect of graphene on the mechanical properties of Al2O3/TiC ceramics

Abstract: Multilayer graphene (MLG)-reinforced Al2O3/TiC ceramics were fabricated through hot pressing sintering, and the reinforcing effect of MLG on the microstructure and mechanical properties of the composites was investigated by experiment and simulation. The simulation of dynamic crack initiation and propagation was investigated based on the cohesive zone method. The results show that the composite added with 0.2wt% MLG has excellent flexural strength and high fracture toughness. The major reinforcing mechanisms are the synergistic effect by strong and weak bonding interfaces, MLG pull-out, and grain refinement resulting from the addition of MLG. In addition, the aggravating of crack deflection, branching, blunting, and bridging have indispensable contribution to the improvement of the as-designed materials.

 

/

返回文章
返回