Abstract

By using qualitative X-ray phase analysis, X-ray spectral microanalysis, and microstructural analysis, we studied the evolution of the phase composition of surface layers of VT1-0 titanium alloy in the process of carburization from graphite in an argon atmosphere under 100 kPa pressure in the temperature range 750–1100°C for 5 h. We established that the amount of titanium oxides in the surface layers decreases (up to complete disappearance) and the formation of carbides becomes more intense as the saturation temperature increases and the partial pressure of oxygen in the saturating environment decreases.

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