Abstract
Nowadays, the global industries producing mechanical components are moving towards the usage of composites to reduce weight at the same time without compromising with characteristics of the material being used. This new combination of material provides specific desired properties when combined with various reinforcement materials like SiC, B4C, Al2O3, MgO etc., It is widely used in various industries like aerospace, automobile and marine industries. This property specific tailorable metal matrix composite with Al7075 as the base material can be fabricated using various techniques such as stir casting, high end ball milling, ultrasonic assisted casting, powder metallurgy, squeeze casting friction stir casting etc., out of which stir casting method is preferred by many researchers as stir casting method is seen to provide better distribution of reinforcement particles throughout the metal matrix. It is evident from the research of various authors that when the base material Al7075 is reinforced with the above-mentioned ceramic, it is found that there is a decrease in density and increase in hardness, compressive strength and wear resistance. Here, both physical and mechanical behaviour of aluminium reinforced composites with the effect of the particle size changes, effects after reinforcement and other processing and fabrication methods have been discussed.
Highlights
The industries are shifting rapidly towards using composites due to their enhanced properties, lower cost, eco-friendly characteristics and lighter weight comparatively there-by increasing its desirability to replace the conventional ones [7]
When the matrix is a metal, the composite is termed metal matrix composites: a) metal matrix composites (MMCs) consist of at least two components, one is the metal matrix and the second component is reinforcement, b) if ceramic fibers are embedded in a matrix they are called as ceramic matrix composites (CMCs)
This review provides the experimental and theoretical findings of research work
Summary
The industries are shifting rapidly towards using composites due to their enhanced properties, lower cost, eco-friendly characteristics and lighter weight comparatively there-by increasing its desirability to replace the conventional ones [7]. To overcome the limitations put forth by the conventional materials like higher weight, lowered physical and mechanical properties comparatively, composites are being preferred [2]. The composites are usually consisting of two or more distinct constituent material either physically or chemically which are arranged suitably or even in a distributed phase and matrix is a ceramic embedding a reinforcement phase. When the matrix is a metal, the composite is termed metal matrix composites: a) metal matrix composites (MMCs) consist of at least two components, one is the metal matrix and the second component is reinforcement, b) if ceramic fibers are embedded in a matrix they are called as ceramic matrix composites (CMCs). One constituent of aluminium alloy termed as matrix phase while the other constituent which is dispersed in matrix is reinforcement Ceramic materials such as SiC, Al2O3, B4C, etc., are widely used as reinforcements. The Al7075 has a greater strength and light weight are desirable in other fields like rock climbing equipment, bicycle components, and hang glider airframes
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