Study reveals hydrogen brittleness and intergranular cracks in titanium ortho-alloys, indicating the need for improved toughness measures.
In the study of the VIT1 titanium ortho-alloy of industrial melting, it was found that these alloys were prone to hydrogen brittleness, the formation of surface and internal intergranular cracks, embrittlement of grain boundaries during deformation due to microliquation of alloying elements of the alloy to grain boundaries and «low-plastic or brittle fracture» of blade forgings.
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A.K. Onishchenko (2025) studied this question.
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