期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2015
卷号：4
期号：6
页码：4161
DOI：10.15680/IJIRSET.2015.0406071
出版社：S&S Publications
摘要：Piston is made of aluminium alloys is a crucial part in internal combustion engine. When the combustionof fuel take place insides the engine cylinder, high pressure and high temperature will be developed as the engine willoperate at high load and at high speed. As a result of this high thermal and high structural stresses in the piston isproduced inside the engine cylinder and if these stresses exceeds the designed values, the failure of piston take place.To avoid the failure of the piston thermal and structural intensity should be reduced to safe allowable limits. In thiswork an attempt is made to reduce the thermal and structural stress intensity by coated the piston with ceramic material.The zirconia-based ceramic coatings are used as thermal barrier coatings owing their low conductivity and theirrelatively high coefficient of thermal expansion. Firstly the structural and thermal stresses analyses are investigated ona conventional (uncoated) piston made of aluminium alloy namely A2618. Secondly the structural and thermal analysesare performed on the piston coated with zirconium material using the ANSYS software. The effects of coating on thethermal behaviours of the piston are investigated. The main objective is to investigate and analyse the structural andthermal stress distribution of the piston at the real engine condition during combustion process. The analysis is carriedout to reduce the stress concentration on the upper end of the piston .i.e. piston head/crown and piston skirt and sleeveusing ANSYS software. The result obtained is compared to select the better material for piston manufacturing.
关键词：Engine piston; thermal analysis; structural analysis; FE analysis
