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METHOD AND PRODUCT FOR MANUFACTURING TITANIUM ALLOY DUAL-STRUCTURE TURBINE DISK BASED ON PARTIAL HYDROGENATION
METHOD AND PRODUCT FOR MANUFACTURING TITANIUM ALLOY DUAL-STRUCTURE TURBINE DISK BASED ON PARTIAL HYDROGENATION
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机译:基于局部氢化制造钛合金双结构涡轮盘的方法和产品
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摘要
The invention provides a method and a product for manufacturing a titanium alloy dual-structure turbine disk based on partial hydrogenation, which includes the following steps: coating a glass coating on the partial surface of a titanium alloy billet where hydrogen-blocking is required, and sintering the titanium alloy billet coated with the glass coating; performing hydrogenation treatment on the titanium alloy billet, such that the hydrogen concentration at the hydrogenation-required portion reaches the predetermined level; removing the glass coating from the titanium alloy billet; preheating the titanium alloy billet, and then performing high temperature die forging in the forging dies; performing vacuum dehydrogenation treatment on the forged turbine disk to remove hydrogen element inside the forging, so that the hydrogen content is 0.015 wt. % or less.
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