Integrated forming method of titanium alloy support structure

A bracket structure, titanium alloy technology, applied in other manufacturing equipment/tools, engine components, mechanical equipment, etc., can solve the problems of difficult control of parts performance, complex structure, complex casting process, etc., to reduce post-processing and improve structure Strength and the effect of shortening the processing cycle

Inactive Publication Date: 2018-11-27
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] When integrally forming related parts of the titanium alloy stent structure, if the traditional machining process is used, it is not only time-consuming, but also a serious waste of materials, and the complex structure cannot even be manufactured.
Casting can form complex structures and improve material

Method used

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  • Integrated forming method of titanium alloy support structure
  • Integrated forming method of titanium alloy support structure
  • Integrated forming method of titanium alloy support structure

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[0024] The method for integrally forming a titanium alloy stent structure provided by the present invention will be described in detail below with reference to the drawings and specific embodiments.

[0025] Such as figure 1 — Figure 4 As shown, the method for integrally forming a titanium alloy stent structure provided by the present invention includes

[0026] Follow these steps in order:

[0027] 1) According to titanium alloy bracket structure parts ( figure 1 ) Dimensional features are prepared as figure 2 The conformal sheath shown is made of stainless steel 304 and welded into a whole.

[0028] 2) Prepare the external control mold according to the size of the titanium alloy bracket structure part. The material of the external control mold is 45# steel, which is welded and connected to the sheath.

[0029] 3) According to the demand of titanium alloy parts, the titanium alloy Ti6Al4V powder 8 is prepared by the plasma rotating electrode method, and the powder with 100-200 mesh ...

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Abstract

The invention provides an integrated forming method of a titanium alloy support structure. The method includes: preparing an outer core, preparing a sheath, selecting spherical powder, performing hotisostatic pressing pretreatment, performing hot isostatic pressing process control, performing after-treatment and the like. The integrated forming method has the advantages that when the hot isostatic pressing technology is used to solidify and form the titanium alloy powder, the sheath and the outer core are coordinated to form the characteristics of the titanium support part, the characteristicforming of the support structure can be completed, machining quantity is reduced effectively, part forming efficiency is improved, surface treatment is reduced, and machining cycle is shortened.

Description

technical field [0001] The invention belongs to the field of aerospace manufacturing, and in particular relates to the aspect of integrally formed titanium alloy bracket structure by powder hot isostatic pressing. Background technique [0002] Powder hot isostatic pressing technology is an advanced manufacturing technology that uses the parts in a closed high-pressure container to be formed under uniform ultra-high pressure in all directions. This technology has the advantages of high material utilization rate, high processing efficiency, less cutting, material saving and consumption reduction, etc. The application fields of its products are continuously expanding, especially in the field of aerospace manufacturing. [0003] When integrally forming related parts of the titanium alloy stent structure, if the traditional machining process is used, it is not only time-consuming, but also a serious waste of materials, and the complex structure cannot even be manufactured. Casti...

Claims

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Application Information

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IPC IPC(8): B22F9/14B22F3/093B22F3/15B22F5/00C22C1/04C22C14/00
CPCB22F3/093B22F3/15B22F5/00B22F9/14C22C1/0458C22C14/00
Inventor 郎利辉马丁徐文才季晨昊孟凡迪
Owner BEIHANG UNIV
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