Manufacturing Method and Mechanical Property of Titanium Hollow Structure Based on HIP Process

ZHAO Bing; LIAO Jinhua; HAN Xiuquan; HOU Hongliang; LI Zhiqiang

doi:10.16080/j.issn1671-833x.2018.18.036

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Manufacturing Method and Mechanical Property of Titanium Hollow Structure Based on HIP Process

更新时间：2025-10-30

- Manufacturing Method and Mechanical Property of Titanium Hollow Structure Based on HIP Process
- Aeronautical Manufacturing Technology Vol. 61, Issue 18, Pages: 36-42(2018)
- 作者机构：
  
  1. 中国航空制造技术研究院,北京,100024
  2. 塑性成形技术航空科技重点实验室,北京,100024
  3. 数字化塑性成形技术及装备北京市重点实验室,北京,100024
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2018.18.036
  CLC：
- Published：2018
- 稿件说明：
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赵冰1,2,3，廖金华1,2,3，韩秀全1,2,3，侯红亮1,2,3，李志强1,2,3. 钛合金空心结构的热等静压成形方法与力学性能研究[J]. 航空制造技术, 2018, 61(18): 36-42.

ZHAO Bing1,2,3, LIAO Jinhua1,2,3, HAN Xiuquan1,2,3, HOU Hongliang1,2,3, LI Zhiqiang1,2,3. Manufacturing Method and Mechanical Property of Titanium Hollow Structure Based on HIP Process. Aeronautical Manufacturing Technology, 2018, 61(18): 36-42.
赵冰1,2,3，廖金华1,2,3，韩秀全1,2,3，侯红亮1,2,3，李志强1,2,3. 钛合金空心结构的热等静压成形方法与力学性能研究[J]. 航空制造技术, 2018, 61(18): 36-42. DOI： 10.16080/j.issn1671-833x.2018.18.036.

ZHAO Bing1,2,3, LIAO Jinhua1,2,3, HAN Xiuquan1,2,3, HOU Hongliang1,2,3, LI Zhiqiang1,2,3. Manufacturing Method and Mechanical Property of Titanium Hollow Structure Based on HIP Process. Aeronautical Manufacturing Technology, 2018, 61(18): 36-42. DOI： 10.16080/j.issn1671-833x.2018.18.036.

摘要

针对钛合金空心结构制造的技术难题，开发了一种基于热等静压工艺的制备方法，采用对结构构成要素的分解、加工与组合，并在空腔部分填充内包套的工艺途径，在工艺参数为800~920℃、100~200MPa、1~3h条件下，制备出钛合金矩形、锥形、筒形空心结构件，并进行了外形、扩散质量、界面组织分析和力学性能测试。研究表明，空心结构件中扩散连接界面焊合率达到100%，界面结合强度最高达到980MPa以上，与母材钛合金的强度水平相当，且拉伸断口为韧性断口，从而验证了该方法的工艺可行性与实用性，为该项技术在航空航天领域的应用奠定了基础。

Abstract

In order to fabricate a type of titanium hollow structure

a new process is developed based on hot isostatic pressing (HIP). The hollow ring structure is first decomposed into the skin plus ribs structure

then these substructures are combined together with adding a internal package into the hollow space. After HIP process

rectangular

cylindrical and conical hollow structures are fabricated

under 800-900℃ /100-200MPa/1-3h. The quality of this part is analyzed through profile examination

interface microstructure analysis and mechanical performance test. The results show that the interfacial diffusion bonding ratio of hollow structures almost reaches 100%

and the highest bonding strength reaches more than 980MPa

which is equal to the base metal. The fracture profile of diffusion bonding interface tensile samples shows ductile properties

and the feasibility of this new process is verified

which will provide reference for aerospace applications.

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