1. Dept. of Mechanical Engineering, Indian Inst. of Technology, Banaras Hindu Univ., Varanasi 221005, IN
2. Dept. of Mechanical Engineering, Indian Inst. of Technology, Banaras Hindu Univ., Varanasi 221005, IN (Corresponding author), e-mail: skpanda.mec@iitbhu.ac.in
3. Dept. of Mechanical Engineering, Indian Inst. of Technology, Banaras Hindu Univ., Varanasi 221005, IN, e-mail: dkhan.mec@iitbhu.ac.in
4. Dept. of Metallurgical Engineering, Indian Inst. of Technology, Banaras Hindu Univ., Varanasi 221005, IN
5. Health Safety and Environment Group, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, IN
6. RSD, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, IN