Preparation method for changing titanium alloy into variable-wall thick hollow active cooling cabin

A technology of active cooling and variable wall thickness, which is applied in the field of cabin preparation to achieve the effects of high strength and rigidity, high forming accuracy and light weight

Active Publication Date: 2019-11-22
BEIJING XINGHANG MECHANICAL ELECTRICAL EQUIP
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Problems solved by technology

[0004] The invention proposes a method for preparing a titanium alloy variable-wall-thick hollow ac

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  • Preparation method for changing titanium alloy into variable-wall thick hollow active cooling cabin
  • Preparation method for changing titanium alloy into variable-wall thick hollow active cooling cabin
  • Preparation method for changing titanium alloy into variable-wall thick hollow active cooling cabin

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Embodiment Construction

[0053] In order to make the purpose, content and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0054] This embodiment proposes a method for preparing a titanium alloy variable-wall-thickness hollow active-cooling cabin. The variable-wall-thickness hollow active-cooling cabin is a 360° closed rotary body with a local reinforcement structure. The interior is a heading hollow structure. The wall thickness t1 is greater than the intermediate wall thickness t2, such as figure 1 shown.

[0055] The preparation method of the present embodiment specifically comprises the following steps:

[0056] The first step, tube blank preparation: divide the hollow active cooling cabin with variable wall thickness into 10 titanium alloy tube blanks for preparation. Such as figure 2As shown, the 10 tube blanks are the outer tube ...

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Abstract

The invention belongs to the technical field of cabin preparation, and particularly relates to a preparation method for changing a titanium alloy into a variable-wall thick hollow active cooling cabinwith an integrated structure function. According to the preparation method, a cylindrical tube blank is prepared by adopting a titanium alloy slab, and superplastic forming/diffusion bonding technology is adopt to form the variable-wall thick hollow active cooling cabin once, a 360-degree rotary cabin body is formed at one time through the method, and a hollow active cooling channel is arranged inside, so that the part forming precision is high, the part integrity is good, and the part structure and the function integration are realized. Due to a hollow sandwich structure, the cooling structure hollow cabin provided by the method is high in strength rigidity and light in weight. Due to the active cooling structure, active cooling can be realized, a coolant can directly use fuel in a fueltank, the overall weight is not increased, the fuel can continue to participate in combustion after cooling, and waste is avoided.

Description

technical field [0001] The invention belongs to the technical field of cabin preparation, and in particular relates to a preparation method for a titanium alloy variable-wall-thick hollow active cooling cabin with integrated structure and function. Background technique [0002] The hollow sandwich structure has outstanding advantages such as light weight and high rigidity, and has been widely used in the fields of aerospace and national defense. In recent years, with the development of hypersonic weapons, higher requirements have been placed on the lightweight structure and heat resistance of materials. Since the specific gravity of traditional heat-resistant materials is generally high, blindly pursuing the heat-resistant properties of materials will inevitably increase the weight of the structure. How to reduce weight while satisfying heat resistance is a new problem raised in the development of weaponization. To solve this seemingly contradictory problem, it is far from ...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 王斌李鹤鹏朱冬妹刘太盈王瑞师利民马向宇高海涛
Owner BEIJING XINGHANG MECHANICAL ELECTRICAL EQUIP
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