1. Materials Processing and Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, Durgapur 713209, India
2. Department of Materials Science and Engineering, Indian Institute of Technology Patna, Bihta 801106, Patna, India
3. Materials Processing and Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, Durgapur 713209, India, e-mail: