Metals and AlloysPublished 13 March 2023Elastic properties of the non-mixing copper donor assisted material in friction stir welding of aluminum alloys using nanoindentationM. Ojha · A. H. Al-Allaq · Y. S. Mohammed · S. N. Bhukya · Z. Wu · A. A. ElmustafaFrontiers in Metals and Alloysdoi 10.3389/ftmal.2023.1129126