Abstract
The accumulation, distribution, and thermally stimulated release of hydrogen in a VT1-0 titanium alloy during electrolytic saturation and gas-phase saturation are studied. After electrolytic saturation, a 0.4-μm-thick surface layer consisting of δ hydrides with a binding energy of 108 kJ/mol forms in the alloy. The hydride dissociation after electrolytic saturation in heating occurs in the temperature range 320–370°C. After saturation from a gas atmosphere, δ hydrides with a binding energy of 102 kJ/mol form throughout the alloy volume. The dissociation of the hydrides formed during gas-phase saturation in heating occurs in the temperature range 520–530°C. A further increase in the temperature is accompanied by the transformation of titanium from the α into the β modification. At 690–720°C, the phase transformation is completed, and another hydrogen desorption peak appears in a thermally stimulated hydrogen desorption spectrum.
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Original Russian Text © V.N. Kudiyarov, A.M. Lider, N.S. Pushilina, N.A. Timchenko, 2014, published in Zhurnal Tekhnicheskoi Fiziki, 2014, Vol. 84, No. 9, pp. 117–121.
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Kudiyarov, V.N., Lider, A.M., Pushilina, N.S. et al. Hydrogen accumulation and distribution during the saturation of a VT1-0 titanium alloy by an electrolytic method and from a gas atmosphere. Tech. Phys. 59, 1378–1382 (2014). https://doi.org/10.1134/S1063784214090151
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DOI: https://doi.org/10.1134/S1063784214090151