Article ID Journal Published Year Pages File Type
1585009 Materials Science and Engineering: A 2006 4 Pages PDF
Abstract

Through a rapid-heating, i.e., an electric-current-pulse treatment, new nanometer-sized lamellar β-Ti was produced in Ti–6Al–4V, originally with the fully equiaxed α-Ti and intergranular β-Ti phases. By means of orientation relationship analysis, X-ray elemental mapping and invariant-plane strain theory, the formation of such β-Ti phase is attributed to a diffusionless martensitic transformation induced by the rapid-heating. The novel lamellar β-Ti martensite presents higher hardness when compared with other structures of Ti–6Al–4V.

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