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A METHOD OF HOT GAS FORMING AND HEAT TREATMENT FOR A TI2ALNB-BASED ALLOY HOLLOW THIN-WALLED COMPONENT
A METHOD OF HOT GAS FORMING AND HEAT TREATMENT FOR A TI2ALNB-BASED ALLOY HOLLOW THIN-WALLED COMPONENT
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机译：基于TI2ALNB的合金空心薄壁组件的热气形成和热处理方法
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摘要
Provided herein is a method of hot gas forming and heat treatment for a Ti2AlNb-based alloy hollow thin-walled component, which pertains to the technical field of plastic forming manufacture of thin-walled components made from difficult-to-deformation materials, more particularly, a forming method of Ti2AlNb-based alloy hollow thin-walled components is involved. The purpose of this invention is to solve the existing problems that Ti2AlNb-based alloy hollow thin-walled components are difficult to form, process steps are complex, and the shape and dimension precision is in contradiction with the control of the microstructure and properties. The method comprises the following steps: (1) hot gas forming to obtain hot gas formed tube components, and (2) controllalbe-cooling heat treatment to obtain Ti2AlNb-based alloy hollow thin-walled components. The advantages of this invention are as following: improving production efficiency, high dimensional accuracy, reducing energy consumption, achieveing the integration of shape and performance control, and excellent mechanical properties. The invention also relates to Ti2AlNb-based alloy hollow thin-walled components manufactured by a hot gas forming and heat treatment method.
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