Design and Analysis of Al-6081 T6 Piston

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IJIRST –International Journal for Innovative Research in Science & Technology| Volume 3 | Issue 11 | April 2017 ISSN (online): 2349-6010

Design and Analysis of Piston by Aluminium 6081-T6 Alloy Smedha Mohanlal UG Student Department of Mechanical Engineering SASTRA University, Thanjavur, India

Rishika Chatterjee UG Student Department of Mechanical Engineering SASTRA University, Thanjavur, India

Abstract Piston is the integral part of the engine where combustion occurs and maximum heat is produced. Hence it is necessary to choose an appropriate material to serve this purpose. The material chosen should withstand the heat and the shear stress that is produced during the process. Aluminium is chosen as the material to serve this purpose as it can withstand the above said properties. Number of alloys of aluminium has been discovered that serves the need. In this paper, comparative study of the structural and thermal behaviour of the piston that is designed with Al-6081 t6 alloy. The results are convincing to choose Al-6081 as the piston materials than other conventional alloys of aluminium. To serve this purpose the piston was modelled in Solidworks 14 and analysed in Ansys 15. Keywords: Al 6082-T6, Aluminium, Piston, Structural Analysis, Thermal Analysis _______________________________________________________________________________________________________ I.

INTRODUCTION

Piston serves as a reciprocating component in engines, gas compressors and pneumatic cylinders. It is an important component in IC engine as the reciprocating motion of the piston is transferred to the crankshaft to serve its purpose. The performance of an engine can be improved by the effective design of the piston. For this the material should posses light weight, high thermal conductivity, high strength and module. Aluminium alloys satisfies all the above said qualities. Among aluminium alloys there are number of variants with optimum properties. Among them Al-6081 serves the best with optimum property values. Among them  High tensile strength  Good thermal conductivity  High strength II. ANALYTICAL METHOD Body design

Fig. 1: Engineering drawing of a piston

The structural analysis of the piston was made using solidworks 14. It helps in designing the body of the piston. solidworks software by Dassault systems SOLIDWORKS corp, helps in providing 3D structure of the piston body. It provides a friendly environment where the design can be made and it can be viewed in 2D and 3D structures

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