Investigation of Electrical Discharge Machining Properties of Reinforced Cryogenic Treated AA7075 Composites
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Published:2022-07-29
Issue:4
Volume:49
Page:
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ISSN:0125-2526
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Container-title:Chiang Mai Journal of Science
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language:
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Short-container-title:CMJS
Author:
Velusamy Mohankumar, ,Kumarasamy Soorya Prakash,Sathiavelu Sendhil Kumar, ,
Abstract
The demand for materials arises to improve the effi ciency of the structural, aerospace and automotive components. It induces to identifi cation and production of composite materials. Amongst the varieties, Aluminium Metal Matrix Composite is widely used in automotive and aerospace industries because if inheriting wide range of acceptable mechanical and tribological properties besides being constructive by holding high strength to weight ratio. Herein, ED machining properties of cryogenic treated AA7075-B4C composites were analysed. B4C particles reinforced Aluminium metal matrix composites were prepared by using one of the liquid metrological method viz. stir casting. The samples were cryogenically treated at various soaking time periods (12, 24 & 36 hours). In ED Machining, material removal (MR) rate, tool wear (TW) rate and surface roughness (Ra) parameters were analysed depending upon the inputs viz. soaking time (SoT), electrode gap (Gap), current, Pon (pulse ON time), Poff (pulse OFF time). Experimentation remarks that current be one of the mostly infl uencing parameter towards ED machining than any other considerations in this part of research.
Publisher
Chiang Mai University
Subject
General Physics and Astronomy,General Biochemistry, Genetics and Molecular Biology,General Materials Science,General Mathematics,General Chemistry
Cited by
1 articles.
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