Fabrication of Functionally Graded Materials through Severe Plastic Deformation of Powders: Process, Significance, and Future DevelopmentObara Cleophas, Abiodun Bayode, Mwema Fredrick and Tien-Chien JenE3S Web Conf., 505 (2024) 01013DOI: https://doi.org/10.1051/e3sconf/202450501013