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M. Muhamed Shafeeq,Hirshikesh,G. K. Gupta,D. P. Mondal 대한금속·재료학회 2024 METALS AND MATERIALS International Vol.30 No.1
In this work, a novel powder metallurgy method comprising elemental powder mixing and hot vacuum compaction wasused to produce fine-grained Cu–Al–Ni–Mn SMA successfully. The effects of Mn (0–3 wt%) addition and different Al concentrationson the mechanical and shape memory capabilities of powder-processed Cu–Al–Ni SMA were investigated. Theformation of different martensitic and secondary phases is characterized by field emission scanning electron microscope,and X-ray diffraction. The addition of Mn improved ductility and decreased phase transformation temperature of the powderprocessedSMA, which was confirmed using a three-point bending/tensile test and differential scanning calorimetry analysis.