Titanium alloy cylinder lock type folding system hot isostatic pressure forming method

A folding system and hot isostatic pressing technology, applied in the field of aerospace manufacturing, can solve the problems of difficult control of product performance, complex structure, complex casting process, etc., and achieve the effect of reducing post-processing, improving structural strength, and shortening processing cycle.

Active Publication Date: 2018-05-04
BEIHANG UNIV
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Problems solved by technology

[0003] When forming the relevant parts of the titanium alloy cylindrical lock folding system, 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 mate

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  • Titanium alloy cylinder lock type folding system hot isostatic pressure forming method
  • Titanium alloy cylinder lock type folding system hot isostatic pressure forming method
  • Titanium alloy cylinder lock type folding system hot isostatic pressure forming method

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Embodiment Construction

[0025] The hot isostatic pressing forming method of the titanium alloy cylindrical lock folding system provided by the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] Such as figure 1 — Figure 5 As shown, the titanium alloy cylindrical lock folding system hot isostatic pressing method provided by the invention includes

[0027] The following steps in order:

[0028] 1) According to the structural characteristics of titanium alloy parts 9 and 10, such as Figure 4 Inner mold 1 , inner mold 2 , fixed upper plate 3 and outer core 4 are shown. The material of the internal mold is nickel-based superalloy GH4169, and the material of the external core is 45# steel. The internal mold and the external core are embedded in the bottom plate by manual grinding. The processing and manufacturing of the internal mold is processed by a lathe, and the surface is polished to make the surface smooth.

[0029...

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Abstract

The invention provides a titanium alloy cylinder lock type folding system hot isostatic pressure forming method. The method comprises the steps of die preparation, coating sleeve preparation and spherical powder selection, hot isostatic pressure pretreatment, hot isostatic pressure process control, aftertreatment and the like. According to the titanium alloy cylinder lock type folding system hot isostatic pressure forming method, when the hot isostatic pressure technology is adopted for solidifying and forming titanium alloy powder, the characteristics of a titanium alloy part are formed by adopting the way of matching an inner die and an external mold core, accordingly, characteristic forming can be completed, the part forming efficiency is improved, inner surface treatment in the later period is reduced, and the machining period is shortened.

Description

technical field [0001] The invention belongs to the field of aerospace manufacturing, and in particular relates to the aspect of hot isostatic pressing of powder hot isostatic pressing forming titanium alloy cylindrical lock folding system. 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 forming the relevant parts of the titanium alloy cylindrical lock folding system, if the traditional machining process is used, it is not only time-consuming, but also a serious waste of materials, and the complex structur...

Claims

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Application Information

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IPC IPC(8): B22F3/15
CPCB22F3/15
Inventor 郎利辉徐文才黄西娜季晨昊孟凡迪
Owner BEIHANG UNIV
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