Recent studies on particulate reinforced AZ91 magnesium composites fabricated by Stir casting – A review
Abstract
Magnesium Metal Matrix Composites (Mg MMC) have been the focus of consideration by many researchers for the past few years. Many applications of Mg MMCs were evolved in less span of time in the automotive and aerospace sector to capture the benefit of high strength to weight ratio along with improved corrosion resistance. However, the performance of these materials in critical conditions is significantly influenced by several factors including the fabrication methods used for processing the composites. Most of the papers addressed all the manufacturing strategies of Mg MMC but no paper was recognized as a dedicated source for magnesium composites prepared through stir casting process. Since stir casting is the least expensive and most common process in the preparation of composites, this paper reviews particulate based Mg MMCs fabricated with stir casting technology. AZ91 series alloys are considered as the matrix material while the effect of different particle reinforcements, sizes , weight fractions on mechanical and tribological responses are elaborated in support with micro structural examinations. Technical difficulties and latest innovations happened during the last decade in making Mg MMCs as high performance material are also presented.
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Author Biographies
Anil Kumar Matta received his B.Tech.(Mechanical Engineering) in 2003 and M.E. degree from Andhra University College of Engineering, Visakhapatnam in 2007. Currently, he is a research scholar in the Department of Mechanical Engineering, Andhra University, Visakhapatnam and doing research on the development of newer materials for automotive applications.
Naga Sai Suman Koka received his Ph.D. in 2006. He received ‘Best Thesis’ award for his research in that year from Andhra University, Visakhapatnam. He is working as Associate Professor in the Department of Mechanical Engineering, Andhra University college of Engineering, Visakhapatnam. He published good number of quality papers of National and International eminence. He was also the recipient of R&D projects from the prestigious scientific bodies in INDIA. His areas of interest include development of natural composites, analysis and their applications in Mechanical Engineering.
Sameer Kumar Devarakonda received both B.Tech. and M.Tech. and degrees from Acharya Nagarjuna University, Guntur. He obtained his Doctor of Philosophy from Andhra University, Visakhapatnam in 2019. He has more than 13 years of teaching experience and currently working as Associate professor in the Department of Mechanical Engineering, Bapatla Engineering College, Bapatla. He published more than 30 papers in various National and International journals and conferences till today. His scientific interest includes Composite materials and surface coatings.
Copyright (c) 2020 Anil K. Matta, Naga S. S. Koka, Sameer K. Devarakonda
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