Abstract
The results of the structure and corrosion resistance researches of titanium alloys VT1-0, PT-3B and VT6 obtained by spark plasma sintering (SPS) are described. Microstructure, phase composition and microhardness have been investigated. It is shown that the alloy samples have a homogeneous high-density microstructure and high values of microhardness. The alloys samples showed high corrosion resistance in the electrochemical corrosion tests in acidic aqueous solution causing intergranular corrosion. The alloys also showed high resistance against hot salt corrosion. It has been suggested that the high hardness of the alloys as well as the differences in corrosion resistance of the central and lateral surfaces of the samples are due to the diffusion of carbon from the graphite mold into the sample surface.
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