The superior ductility of fine SiC p /Al2014 composites after extrusion
Source abstract
Abstract
Abstract This paper studied the effect of extrusion on the microstructures and tensile properties of 4 vol.% 5 μm SiC p /Al2014 composites fabricated by stir casting. It has been found that extrusion could refine the α-Al grains, increase the distributed homogeneity of SiC particles, decrease the porosity of the composites, and improve the interfacial bonding strength. The tensile properties, especially the ductility, of the fine SiC p /Al2014 composites were significantly improved by extrusion. Compared with the as-cast 4 vol.% 5 μm SiC p /Al2014 composites, the yield strength, ultimate tensile strength, and fracture strain of the extruded composites increased from 242 MPa, 367 MPa, and 3.8% to 304 MPa, 530 MPa, and 11.2%, which were increased by 25.6%, 44.4%, and 195%, respectively.
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Research context
OpenAlex topics: Aluminum Alloys Composites Properties · Advanced materials and composites · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Automobile Materials, Ministry of Education, and Department of Materials Science and Engineering, Jilin University, No. 5988 Renmin Street, Changchun, 130025, P.R. China
References (23)
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