Volume No. :   9

Issue No. :  1

Year :  2018

ISSN Print :  0976-2973

ISSN Online :  2321-581X


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Impact of Dry Ice Cooling on Microstructure and Mechanical Properties of Friction Stir Welded 2014 Aluminium Alloy



Address:   Bodapati Aditya1, Aruri Devaraju2, Bollepelly Manichandra3 1PG Scholar, Department of Mechanical Engineering, S R Engineering College, Ananthasagar, Warangal, Telangana-506371, India.
2Associate Professor, Department of Mechanical Engineering, S R Engineering College, Ananthasagar, Warangal, Telangana-506371, India.
3PG Scholar, Department of Mechanical Engineering, S R Engineering College, Ananthasagar, Warangal, Telangana-506371, India.
*Corresponding Author
DOI No: 10.5958/2321-581X.2018.00002.8

ABSTRACT:
In this project the effect of dry ice cooling on grain size and influence of microstructure on mechanical properties of Friction stir welding of Aluminium AA2014 has been investigated. Friction stir tool is the key art of friction stir welding process. For this purpose, different stir pins like square pin and taper pin with screw thread were used to carry out a welding process. Vickers hardness is used to measure the micro hardness in various zones of welded joints. It is observed that the grain size is decreased under friction stir welding due to rapid cooling with dry ice as a coolant by using an optical microscope and mechanical properties are enormously improved and these properties have been correlated with microstructures.
KEYWORDS:
Friction stir welding (FSW) of 2014 Al alloy, Dry ice as coolant, Microstructure, Mechanical properties.
Cite:
Bodapati Aditya, Aruri Devaraju, Bollepelly Manichandra. Impact of Dry Ice Cooling on Microstructure and Mechanical Properties of Friction Stir Welded 2014 Aluminium Alloy. Research J. Engineering and Tech. 2018; 9(1): 09-13.
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