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Abstract:
本发明提供一种石油钻杆用Er、Zr复合添加超高强Al‑Zn‑Mg‑Cu合金及制备工艺,其合金成分为Zn 7.4~8.6wt.%、Mg 1.6~2.6wt.%、Cu 0.8~1.6wt.%、Mn 0.2~0.5wt.%、Er 0.02~0.20wt.%、Zr 0.05~015wt.%,余量为Al及不可避免的杂质。本发明采用双级均匀化制度、挤压变形、多级固溶时效处理有机地结合,形成一个统一、完整的整体,实现了Al‑Zn‑Mg‑Cu合金既具备超高强度也具备良好的抗腐蚀性能。
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Patent Info :
Type: 发明申请
Patent No.: CN202410143330.X
Filing Date: 2024-02-01
Publication Date: 2024-04-19
Pub. No.: CN117904502A
Applicants: 北京工业大学
Legal Status: 公开
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