1. Welding and Coating Facilities, ISRO Propulsion Complex, Mahendragiri 627133, India (Corresponding author), e-mail: nehakutty06@hotmail.com, https://orcid.org/0000-0002-7783-5474
2. Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai 600036, India
3. Welding and Coating Facilities, ISRO Propulsion Complex, Mahendragiri 627133, India