review · Cogent Engineering
Modern advanced engineering sectors such as aerospace, aviation, and automotive manufacturing require lightweight, durable materials capable of enduring severe working conditions. Aluminium matrix composites reinforced with diverse bio-based fibres have emerged as viable solutions due to their improved physical and mechanical characteristics. These reinforcements can be applied individually or hybridised with synthesised particulate materials to provide the aluminium alloy matrix with superior wear behaviour and physical performance. Stir casting provides a practical processing route for creating these hybrid materials. Tailoring parameters such as stirring speed, stirring time, reinforcement type, and composition allows for effective control over the resulting mechanical, physical, and wear properties. Consequently, these composite formulations offer significant potential for the fabrication of structural components across transport and sporting applications.
Transport and engineering industries require lighter, stronger materials to withstand demanding environments. Combining aluminium with bio-based fibres and ceramic particulates creates composites with improved strength and wear resistance. Refining conventional stir-casting methods to accommodate these materials allows engineers to produce resilient components efficiently without relying entirely on traditional, heavier metallic alloys.
The primary applications lie in component manufacturing for the automotive, aerospace, and aviation industries. Intended users include parts fabricators and materials engineers seeking lightweight materials with high wear resistance. Because this review synthesises current laboratory and processing trends in stir casting rather than presenting a certified prototype, the technology sits at an early to intermediate stage of commercial readiness.
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The quest for light and durable materials which can withstand harsh conditions of modern advanced applications in many fields such as aviation, automobile, sport, and so on, has been scientifically sought for. Studies in the last few decades have found aluminium metal composites (AMCs) reinforced with bio-based fibres of diverse origins as a suitable advanced material because of improved physical and mechanical properties that are obtainable. Such reinforcements may be single (usage of one reinforcement) or hybridized (more than one reinforcement) with synthesized particulate materials; however, they impart better physico-mechanical and wear behavior on the aluminium alloy matrix. Thus, this review examines some of these composites produced by stir-casting procedures and their properties currently trending in materials research circles. It has been established that by varying parameters such as stirring speed/time and reinforcement types and composition, the use of stir casting process is a viable method to produce AMCs with good physical properties, mechanical properties, and wear behavior. AMCs are eminently useful in the production of parts for the automotive, aerospace and aviation industries.
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DOI: 10.1080/23311916.2020.1727167
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