Research on Creep Age-Forming Test of New Al-Li-Cu-Mg Alloy Based on Performing of Rolling Bend

ZHANG Rongxia; GAO Zhiyong; WU Wei; Lü Fenggong

doi:10.16080/j.issn1671-833x.2017.1/2.090

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Research on Creep Age-Forming Test of New Al-Li-Cu-Mg Alloy Based on Performing of Rolling Bend

更新时间：2025-10-30

- Research on Creep Age-Forming Test of New Al-Li-Cu-Mg Alloy Based on Performing of Rolling Bend
- Aeronautical Manufacturing Technology Vol. 60, Issue 1/2, (2017)
- 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.2017.1/2.090
  CLC：
- Published：2017
- 稿件说明：
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张荣霞，高志勇，吴为，吕凤工，曾元松. 基于滚弯预变形的新型Al-Li-Cu-Mg 合金蠕变时效成形试验研究[J]. 航空制造技术, 2017, 60(1/2): 90-93. ZHANG Rongxia1,2,3, GAO Zhiyong1,2,3, WU Wei1,2,3, Lü Fenggong1,2,3, ZENG Yuansong1,2,3. Research on Creep Age-Forming Test of New Al-Li-Cu-Mg Alloy Based on Performing of Rolling Bend. Aeronautical Manufacturing Technology, 2017, 60(1/2): 90-93.

ZHANG Rongxia, GAO Zhiyong, WU Wei, et al. Research on Creep Age-Forming Test of New Al-Li-Cu-Mg Alloy Based on Performing of Rolling Bend[J]. Aeronautical Manufacturing Technology, 2017, 60(1/2).
张荣霞，高志勇，吴为，吕凤工，曾元松. 基于滚弯预变形的新型Al-Li-Cu-Mg 合金蠕变时效成形试验研究[J]. 航空制造技术, 2017, 60(1/2): 90-93. ZHANG Rongxia1,2,3, GAO Zhiyong1,2,3, WU Wei1,2,3, Lü Fenggong1,2,3, ZENG Yuansong1,2,3. Research on Creep Age-Forming Test of New Al-Li-Cu-Mg Alloy Based on Performing of Rolling Bend. Aeronautical Manufacturing Technology, 2017, 60(1/2): 90-93. DOI： 10.16080/j.issn1671-833x.2017.1/2.090.

ZHANG Rongxia, GAO Zhiyong, WU Wei, et al. Research on Creep Age-Forming Test of New Al-Li-Cu-Mg Alloy Based on Performing of Rolling Bend[J]. Aeronautical Manufacturing Technology, 2017, 60(1/2). DOI： 10.16080/j.issn1671-833x.2017.1/2.090.

摘要

开展新型Al-Li-Cu-Mg 合金薄壁板蠕变时效成形试验研究。通过对固溶态和T8 态板料的蠕变拉伸性能和单曲率弯曲回弹率进行对比，掌握了新型铝锂合金蠕变时效成形特征，发现新型铝锂合金蠕变时效成形能力较差，单纯靠蠕变时效成形，无法成形出最终零件型面。本文提出基于滚弯预变形的蠕变时效复合成形工艺方法，满足了目标零件型面要求，对新一代飞机机身结构件的制造提供理论及数据参考。

Abstract

Research of the Creep age-forming about new Al-Li-Cu-Mg alloy thin sheet has been finished. Through the correlation between performance of the creep tensile test of T8 sheet and the spring rate of bend-forming

the forming character of new Al-Li-Cu-Mg alloy has been discovered. It was impossible to reach the last shape only on the method of age forming process. A new age-forming method based on performing of rolling bend has been extracted. This compound forming method can meet the requirement of complex curved surface part

which can supply reference for the manufacture of new era plane body skin.

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