FIELD: metallurgy.
SUBSTANCE: invention refers to titanium-based composite workpiece manufacturing. Method involves preparation of charge containing titanium alloy waste, and change compaction by pressing to form workpieces. Charge is prepared by adding titanium powder to titanium alloy waste treated in alkaline solution at the 70/30 weight ratio of waste and titanium powder, obtained charge is pickled in acid solution to ensure deoxidation and hydrogenisation up to 0.1-1 wt % of hydrogen in titanium, then the charge is ground along with mixing and heated to pressing temperature, after pressing, impurities are removed from workpiece surface, the workpiece is lubricated, rolled and dehydrogenised thermally.
EFFECT: improved mechanical properties, strength and plasticity of workpieces.
3 cl, 1 ex
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Authors
Dates
2017-03-02—Published
2015-06-16—Filed