A method for controlling the uniformity of properties of 2195 aluminum-lithium alloy
CN117772897BActive Publication Date: 2026-07-03BEIJING SATELLITE MFG FACTORY
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BEIJING SATELLITE MFG FACTORY
- Filing Date
- 2023-12-07
- Publication Date
- 2026-07-03
AI Technical Summary
Technical Problem
The 2195 aluminum-lithium alloy exhibits anisotropic mechanical properties after spin forming, which affects its performance.
Method used
By analyzing the metallographic morphology of 2195 aluminum-lithium alloy sheet for spinning, the preheating and forming regimes of the spun parts were designed, including parameters such as annealing temperature, heating temperature, single-pass pressing amount and feed ratio, and the spinning process was controlled to improve the uniformity of mechanical properties.
Benefits of technology
It effectively reduces the anisotropy of 2195 aluminum-lithium alloy spin-formed components, improving the consistency of material use and service performance.
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Smart Images
Figure CN117772897B_ABST
Abstract
This invention provides a method for controlling the performance uniformity of 2195 aluminum-lithium alloy, comprising: analyzing the metallographic morphology of 2195 aluminum-lithium alloy sheet for spinning; designing a preheating regime and a spinning forming regime for the spun part based on the metallographic morphology of the sheet; and spinning the spun part according to the preheating regime and the spinning forming regime. This invention proposes a method for controlling the performance uniformity of 2195 aluminum-lithium alloy spinning based on the texture strength of the sheet, effectively reducing the anisotropy of 2195 aluminum-lithium alloy spun-formed components.
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