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Subject: Industrial and Production Engineering × Author: Dhyani, Ruchika × End date: 2021 × Start date: 2021 × Type: Thesis ×
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    ThesisItemOpen Access
    Fabrication and investigation of MoS2 reinforced Aluminium based metal matrix composite
    (G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2021-11) Dhyani, Ruchika; Chauhan, Sakshi
    Materials R&D has recently evolved from monolithic to composite materials. modifying structural materials to meet the global demand for lightweight, low-cost, high quality, and high-performance materials. Conventional metal alloys are unable to meet these unusual property combinations. Hence every effort aims to develop a material that can be appropriate for various industry and machinery purposes having better strength to weight ratio and high-temperature performance. Composites are replacing alloys in almost every engineering field having many such properties. When talking about continuous sliding and high-temperature applications lubrication becomes a necessity, but it is often difficult to keep a liquid lubricant from decomposing at high temperatures or in vacuum environments. Self-lubrication is the solution that is replacing liquid lubrication for such applications. In the present study, a modest attempt has been made to develop cast aluminium-based MoS2 reinforced metal matrix composite and worked upon to enhance mechanical and tribological properties of the Aluminium. The objective is to fabricate a self-lubricating composite via the stir casting method and analyse the properties of the composite after performing various tests. Despite the abundance of reinforcements accessible, only a few particles such as molybdenum disulfide have the property of lubrication as well as better load-carrying capacity than graphite and Polytetrafluoroethylene (PTFE), which are both extensively used lubricants. MoS2 is a prominent solid lubricant that has a low coefficient of friction in both normal and vacuum environments and does not demand adsorbed vapors or moisture. The composite containing Al and MoS2 seems to have a synergic effect on tribological properties while giving good mechanical properties up to a certain limit of MoS2 content.