Microstructure and mechanical properties of SiCp/AZ91 composites processed by a combined processing method of equal channel angular pressing and rolling

In this study, SiCp/AZ91 composites with enhanced mechanical properties was successfully obtained by a combined process route of equal channel angular pressing (ECAP) and rolling. The effect of ECAP and rolling on the microstructure and mechanical properties of SiCp/AZ91 composites were investigated...

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Autores principales:	Qiong Xu, Yuhua Li, Hongyan Ding, Aibin Ma, Jinghua Jiang, Guobin Chen, Yegao Chen
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	SiCp/AZ91 composites Combined process route ECAP and rolling Microstructure Mechanical properties Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/4ec4e209dfb84a58b9da57bfdc038df3
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spelling	oai:doaj.org-article:4ec4e209dfb84a58b9da57bfdc038df32021-11-14T04:33:19ZMicrostructure and mechanical properties of SiCp/AZ91 composites processed by a combined processing method of equal channel angular pressing and rolling2238-785410.1016/j.jmrt.2021.11.005https://doaj.org/article/4ec4e209dfb84a58b9da57bfdc038df32021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2238785421012849https://doaj.org/toc/2238-7854In this study, SiCp/AZ91 composites with enhanced mechanical properties was successfully obtained by a combined process route of equal channel angular pressing (ECAP) and rolling. The effect of ECAP and rolling on the microstructure and mechanical properties of SiCp/AZ91 composites were investigated by comparative analysis. Results showed that the high-pass ECAP process effectively refined the matrix grains and dispersed the SiCp, which gave rise to the final formation of homogenous microstructure in the rolled plate. A non-basal texture with high Schmidt factors was formed by ECAP process, while after rolling it turned into basal texture with relatively lower Schmidt factors. The SiCp/AZ91 composite obtained by the combined process method exhibited superior mechanical properties (yield strength of ∼348 MPa, ultimate strength of ∼411 MPa) and improved ductility (elongation of ∼6.3%) than the composite singly processed by rolling. The enhanced mechanical properties should be contributed to the homogenized microstructure with refined grains, uniformly distributed SiCp, accumulated dislocations and transferred texture.Qiong XuYuhua LiHongyan DingAibin MaJinghua JiangGuobin ChenYegao ChenElsevierarticleSiCp/AZ91 compositesCombined process routeECAP and rollingMicrostructureMechanical propertiesMining engineering. MetallurgyTN1-997ENJournal of Materials Research and Technology, Vol 15, Iss , Pp 5244-5251 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	SiCp/AZ91 composites Combined process route ECAP and rolling Microstructure Mechanical properties Mining engineering. Metallurgy TN1-997
spellingShingle	SiCp/AZ91 composites Combined process route ECAP and rolling Microstructure Mechanical properties Mining engineering. Metallurgy TN1-997 Qiong Xu Yuhua Li Hongyan Ding Aibin Ma Jinghua Jiang Guobin Chen Yegao Chen Microstructure and mechanical properties of SiCp/AZ91 composites processed by a combined processing method of equal channel angular pressing and rolling
description	In this study, SiCp/AZ91 composites with enhanced mechanical properties was successfully obtained by a combined process route of equal channel angular pressing (ECAP) and rolling. The effect of ECAP and rolling on the microstructure and mechanical properties of SiCp/AZ91 composites were investigated by comparative analysis. Results showed that the high-pass ECAP process effectively refined the matrix grains and dispersed the SiCp, which gave rise to the final formation of homogenous microstructure in the rolled plate. A non-basal texture with high Schmidt factors was formed by ECAP process, while after rolling it turned into basal texture with relatively lower Schmidt factors. The SiCp/AZ91 composite obtained by the combined process method exhibited superior mechanical properties (yield strength of ∼348 MPa, ultimate strength of ∼411 MPa) and improved ductility (elongation of ∼6.3%) than the composite singly processed by rolling. The enhanced mechanical properties should be contributed to the homogenized microstructure with refined grains, uniformly distributed SiCp, accumulated dislocations and transferred texture.
format	article
author	Qiong Xu Yuhua Li Hongyan Ding Aibin Ma Jinghua Jiang Guobin Chen Yegao Chen
author_facet	Qiong Xu Yuhua Li Hongyan Ding Aibin Ma Jinghua Jiang Guobin Chen Yegao Chen
author_sort	Qiong Xu
title	Microstructure and mechanical properties of SiCp/AZ91 composites processed by a combined processing method of equal channel angular pressing and rolling
title_short	Microstructure and mechanical properties of SiCp/AZ91 composites processed by a combined processing method of equal channel angular pressing and rolling
title_full	Microstructure and mechanical properties of SiCp/AZ91 composites processed by a combined processing method of equal channel angular pressing and rolling
title_fullStr	Microstructure and mechanical properties of SiCp/AZ91 composites processed by a combined processing method of equal channel angular pressing and rolling
title_full_unstemmed	Microstructure and mechanical properties of SiCp/AZ91 composites processed by a combined processing method of equal channel angular pressing and rolling
title_sort	microstructure and mechanical properties of sicp/az91 composites processed by a combined processing method of equal channel angular pressing and rolling
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/4ec4e209dfb84a58b9da57bfdc038df3
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Microstructure and mechanical properties of SiCp/AZ91 composites processed by a combined processing method of equal channel angular pressing and rolling

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