A study of interparticulate strain in a hot-extruded SiC<sub>p</sub>/2014 Al composite

Ying Hu; Qiu-bao Ou-yang; Lei Yao; Sheng Chen; Lan-ting Zhang

doi:10.1007/s12613-019-1760-6

Volume 26 Issue 4

Apr. 2019

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文章导航 > 矿物冶金与材料学报（英文） > 2019 > 26(4): 523-529

Ying Hu, Qiu-bao Ou-yang, Lei Yao, Sheng Chen, and Lan-ting Zhang, A study of interparticulate strain in a hot-extruded SiC_p/2014 Al composite, Int. J. Miner. Metall. Mater., 26(2019), No. 4, pp. 523-529. https://doi.org/10.1007/s12613-019-1760-6

Cite this article as:

Ying Hu, Qiu-bao Ou-yang, Lei Yao, Sheng Chen, and Lan-ting Zhang, A study of interparticulate strain in a hot-extruded SiCp/2014 Al composite, Int. J. Miner. Metall. Mater., 26(2019), No. 4, pp. 523-529. https://doi.org/10.1007/s12613-019-1760-6

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研究论文

A study of interparticulate strain in a hot-extruded SiC_p/2014 Al composite

School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Support Department of Research Institute (R&D Center), Baoshan Iron & Steel Co., Ltd., Shanghai 201900, China
State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
Materials Genome Initiative Center, Shanghai Jiao Tong University, Shanghai 200240, China

通讯作者:
Lan-ting Zhang E-mail: lantingzh@sjtu.edu.cn

中文摘要

We report a correlative study of strain distribution and grain structure in the Al matrix of a hot-extruded SiC particulate-reinforced Al composite (SiC_p/2014 Al). Finite element method (FEM) simulation and microstructure characterization indicate that the grain structure of the Al matrix is affected by the interparticulate strain distribution in the matrix during the process. Both electron-backscattered diffraction (EBSD) and selected-area electron diffraction (SAED) indicated localized misorientation in the Al matrix after hot extrusion. Scanning transmission electron microscopy (STEM) revealed fine and recrystallized grains adjacent to the SiC particulate and elongated grains between the particulates. This result is explained in terms of recrystallization under an interparticulate strain distribution during the hot extrusion process.

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Research Article

A study of interparticulate strain in a hot-extruded SiC_p/2014 Al composite

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Abstract

Abstract

We report a correlative study of strain distribution and grain structure in the Al matrix of a hot-extruded SiC particulate-reinforced Al composite (SiC_p/2014 Al). Finite element method (FEM) simulation and microstructure characterization indicate that the grain structure of the Al matrix is affected by the interparticulate strain distribution in the matrix during the process. Both electron-backscattered diffraction (EBSD) and selected-area electron diffraction (SAED) indicated localized misorientation in the Al matrix after hot extrusion. Scanning transmission electron microscopy (STEM) revealed fine and recrystallized grains adjacent to the SiC particulate and elongated grains between the particulates. This result is explained in terms of recrystallization under an interparticulate strain distribution during the hot extrusion process.
- metal-matrix composites;
- strain distribution;
- recrystallization;
- grain structure

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A study of interparticulate strain in a hot-extruded SiC_p/2014 Al composite

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A study of interparticulate strain in a hot-extruded SiC_p/2014 Al composite

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