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Graded/gradient Ti-6Al-4V mesh structures are fabricated by electron beam melting. The results of compressive properties indicate that the deformation behavior of these graded meshes is the weighted average of stress–strain response of each uniform mesh constituents. Through appropriate design of property and volume fraction of each constituents, graded/gradient meshes with high strength and energy absorption can be fabricated.
Li et al. (Tue,) studied this question.