Process parameters optimization for enhanced microhardness of AA 6061/ SiC surface composites fabricated via Friction Stir Processing (FSP)

作     者：Sandeep Rathee Sachin Maheshwari Arshad Noor Siddiquee Manu Srivastava Satish Kumar Sharma 

作者机构：Division of Manufacturing Processes and Automation Engineering Netaji Subhas Institute of Technology New Delhi India Department of Mechanical Engineering Jamia Millia Islamia University New Delhi India 

出 版 物：《Materials Today: Proceedings》 

年 卷 期：2016年第3卷第10期

页      面：4151-4156页

学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 

主　　题：Friction Stir Processing Microhardness Taguchi Orthogonal Array process parameters 

摘      要：In this research work, Taguchi’s experimental design is adopted for achieving maximum micro-hardness values for AA6061/SiC surface composites fabricated using friction stir processing. This was achieved by optimizing friction stir processing parameters. Three process parameters namely tool rotational speed, tool traverse speed and tool tilt angle with three levels each were chosen to maximize microhardness values. Nine experiments were performed strictly as per Taguchi L 9 orthogonal array. After single pass friction stir processing, microhardness of all the samples were tested on Vickers digital microhardness tester. The obtained results were analyzed with the help of signal to noise (S/N) ratio. The effect of all three parameters on microhardness values was studied. The analysis of signal to noise (S/N) ratio showed that maximum micro hardness was achieved when tool rotational speed, traverse speed and tilt angle were selected as 1400 rpm, 50 mm/min and 2.5˚ respectively.