Optimization of physico-mechanical and erosive wear properties of single/multilayer – coated granite filled aluminum alloy composites

Author:

Gautam Vikash1,Patnaik Amar2,Bhat Inder K.3,Kukshal Vikas4ORCID,Pawar Manoj J.5,Kumar Ashiwani6

Affiliation:

1. Department of Mechanical Engineering , Swami Keshvanand Institute of Technology Management & Gramothan , Jaipur , 302021 , India

2. Department of Mechanical Engineering , Malaviya National Institute of Technology , Jaipur , Rajasthan , 302017 , India

3. Vice Chancellor, Manav Rachna University , Faridabad , Haryana 121004 , India

4. Department of Mechanical Engineering , 243645 National Institute of Technology, Uttarakhand , Srinagar (Garhwal) – 246174 , India

5. Department of Mechanical Engineering , KJ Somaiya College of Engineering Mumbai , Mumbai , 400007 , India

6. Department of Mechanical Engineering , Feroze Gandhi Institute of Engineering and Technology , Raebareli , 229316 , U.P. , India

Abstract

Abstract In the present research, uncoated and coated (CrN/SiN–CrN) granite dust reinforced aluminum alloy (AA 1050, AA 5083) composites samples were fabricated using stir casting and their physical, mechanical and slurry erosion behavior were assessed. The study reveal a persistent increase in void content, hardness, impact strength and stress intensity factor for both uncoated and coated alloy with the inclusion of reinforcement. In contrast, flexural strength and corrosion rate decrease continuously with increased granite content and also with the corresponding coating. Multilayer coated 5083 aluminum alloy composite with 6 wt.% granite particle shows maximum hardness, impact strength and stress intensity factor and minimum slurry erosion rate. The entropy method was applied to the operating parameter to rank the fabricated composites. The performance of each operating parameter is determined using the VIKOR (Vise Kriterijumska Optimizacija Kompromisno Resenje) optimization method. The optimal formulation based on Performance-Defining Attributes (PDAs) is observed for multilayer-coated 6 wt.% granite particulate reinforced 5083 aluminum alloy composites.

Publisher

Walter de Gruyter GmbH

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