Deformation and Fracture Behavior of Cast and Extruded 7075Al-SiC&lt;I&gt;&lt;SUB&gt;p&lt;/SUB&gt;&lt;/I&gt; Composites at Room and Elevated Temperatures

Kulkarni, Mandar D.; Robi, P. S.; Prasad, Rajesh; Ramakrishnan, P.

doi:10.2320/matertrans1989.37.223

Cited by 11 publications

(2 citation statements)

References 20 publications

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“…Similar trend was obtained for other researchers who have studied on Al6061-Al2O3 and Al7075-SiC composites with similar wear behavior [21,22]. The as-cast matrix alloy grooves on the worn surfaces were coarse and there is plastic deformation and the grooves edge is heavy when compared with the extruded matrix alloy [23].…”

Section: Microstructure Of Worn Surfacesupporting

confidence: 88%

Effect of Heat Treatment on Wear behavior of Hybrid Aluminum Metal Matrix Composites

Rajesh¹,

Kaleemulla²,

Doddamani³

2019

Tribol. Ind.

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The focus of the paper is the wear behavior of hybrid aluminum metal matrix composites. The main objective of the investigation is to conduct the wear test at room temperature for both the as-cast and age hardening conditions. Materials chosen for the study are Aluminum 7075 as a matrix, Silicon Carbide and Alumina are the reinforcements. Hybrid metal matrix composites are produced by utilizing stir casting route for 5-15 wt.% silicon carbide and alumina. Microstructural characterization of hybrid aluminum metal matrix composites reveals the homogeneous mixing of reinforcements. It is noticed that the higher composite hardness is obtained due to the raise in weight percentage of the reinforcement up to 10% of hybrid reinforcements. In the T6 heat treatment, there is a gain in hardness by 24 % for optimum percentage of reinforcement i.e. 10 % compare with as-cast composites.

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Section: Microstructure Of Worn Surfacesupporting

confidence: 88%

Effect of Heat Treatment on Wear behavior of Hybrid Aluminum Metal Matrix Composites

Rajesh¹,

Kaleemulla²,

Doddamani³

2019

Tribol. Ind.

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“…It is also observed that with an increased content of beryl in the matrix alloy there was a significant improvement in the hardness of the composites. This trend is similar to the results of other researchers (Alpas & Zhang, 1992;Das, Mondal, Sawla, & Ramakrishnan, 2008;Kim & Park, 1984;Kulkarni, Robi, Prasad, & Ramakrishnan, 1996;Roy, Basu, & Basu Mallick, 2005;Sawla & Das, 2004;Song, Krauklis, Mouritz, & Bandyopadhyay, 1995;Subramanian, 1992;Wahab, Daud, & Ghazali, 2009;Wang & Rack, 1991;Wu & Li, 2000). This increase in hardness is expected since the beryl particulates, being a very hard ceramic material, contribute positively to the hardness of the composite.…”

Section: Hardnesssupporting

confidence: 90%

Effect of Solutionizing on Dry Sliding Wear of Al2024-Beryl Metal Matrix Composite

Bhaskar¹,

Sharief²

2012

J MECH ENG SCI

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In the present investigation, Al2024-Beryl particulate composites were fabricated by stir casting by varying the weight percentage of beryl particulates from 0 wt% to 10 wt% in steps of 2 wt%. The cast Al2024 alloy and its composites have been subjected to solutionizing treatment at a temperature of 495°C for 2 hrs, followed by ice quenching. Microstructural studies were carried out to determine the nature of the structure. The Brinell hardness test was conducted on both the Al2024 alloy and its composites before and after solutionizing. Pin-on disc wear tests were conducted to examine the wear behavior of the Al2024 alloy and its composites. Sliding wear tests were conducted at various applied loads, sliding velocities and sliding distances. The results reveal that the wear rate of the composites is lower than that of the matrix alloy. The wear rate increased with an increasing applied load and sliding distance, and decreased with increasing sliding velocity.

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Effects of Reinforcement on Tribological Behaviour of Aluminium Matrix Composites

Gupta

Ranakoti

Rakesh

2019

Energy, Environment, and Sustainability

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Deformation and Fracture Behavior of Cast and Extruded 7075Al-SiC<I><SUB>p</SUB></I> Composites at Room and Elevated Temperatures

Cited by 11 publications

References 20 publications

Effect of Heat Treatment on Wear behavior of Hybrid Aluminum Metal Matrix Composites

Effect of Heat Treatment on Wear behavior of Hybrid Aluminum Metal Matrix Composites

Effect of Solutionizing on Dry Sliding Wear of Al2024-Beryl Metal Matrix Composite

Effects of Reinforcement on Tribological Behaviour of Aluminium Matrix Composites

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