Fabrication and characterization of hybrid metal matrix composite Al-2014/SiC/fly ash fabricated using stir casting process

被引：5

作者：

Lal, Shyam ^{[1
]}

Kumar, Sudhir ^{[2
]}

Kumar, Ajay ^{[3
]}

Patel, Lalman ^{[1
]}

Aniruddha ^{[4
]}

机构：

[1] Noida Inst Engn & Technol, Dept Mech Engn, Greater Noida, India

[2] Greater Noida Inst Technol, Dept Mech Engn, Greater Noida, India

[3] Uttaranchal Univ, Dehra Dun, Uttarakhand, India

[4] Bharat Heavry Elect Ltd, New Delhi, India

来源：

MATERIALS TODAY-PROCEEDINGS | 2022年 / 49卷

关键词：

Composite; Stir casting; Microstructure; XRD; DTA; Tensile Strength; Fly ash; DRY SLIDING WEAR; BEHAVIOR; DEFORMATION;

D O I：

10.1016/j.matpr.2020.11.168

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This work is done on the fabrication and characterization of hybrid metal matrix composite (MMC) using the matrix material Al-2014 alloy, reinforcements silicon carbide and the fly ash particulates of average size 25 lm by the stir casting process. The characterization included microstructure analysis, X-Ray Diffraction (XRD) analysis, Differential Thermal Analysis (DTA), Thermo Gravimetric Analysis (TGA), ten-sile strength test, hardness test, impact strength test, density and specific strength evaluation test. The results revealed a fairly uniform distribution of reinforcement particulates in the matrix material. The XRD showed no harmful byproduct formation during the fabrication process. The DTA/TGA analysis showed that the sample containing 15%SiC/5%fly ash in hybrid MMC had a minimum loss of mass. The same composition of the hybrid MMC showed maximum tensile strength being 31% and 75% higher in comparison to its as cast and as heat treated conditions. Similarly the hardness was 32% and 48% higher, impact strength being 30.5% and 58.12% higher respectively. Also the density of this composition is found to be in close proximity with the base matrix material. (C) 2020 Elsevier Ltd. All rights reserved.

引用

页码：3155 / 3163

页数：9

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