['Subsequently', ',', 'the', 'hardness', 'values', 'obtained', 'through', 'nanoindentation', 'for', 'specimens', 'of', 'AA5083', 'produced', 'via', 'SPS', 'were', 'highly', 'improved', 'in', 'comparison', 'to', 'conventional', 'sintering', 'methods', 'were', 'grain', 'coarsening', 'takes', 'place', 'on', 'a', 'larger', 'scale', '.']