| O相合金Ti2AlNb的超塑性研究进展 |
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| 引用本文： | 郭和平,曾元松,李志强.O相合金Ti2AlNb的超塑性研究进展[J].航空制造技术,2009(10). |
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| 作者姓名： | 郭和平 曾元松 李志强 |
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| 作者单位： | 北京航空制造工程研究所 |
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| 摘 要： | 以O相为基础的Ti2AlNb合金具有高的比强度、比刚度以及良好的高温蠕变性能和抗氧化性能,己经成为最具潜力的航空航天高温结构材料.在其实用化进程中,超塑成形是该材料成形加工形成制件的理想工艺.本文综述了Ti2AlNb基合金材料超塑性研究的最新进展,对其超塑变形中的组织特征和变形机制进行了详细讨论.最后,展望了Ti2AlNb基合金超塑性加工未来的发展趋势.
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| 关 键 词： | Ti2AlNb合金超塑性 组织 机理 |
Research Progress of Superpiasticity of Intermetallic Ti2AlNb Orthorhombic Alloys |
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| Guo Heping,Zeng Yuansong,Li Zhiqiang.Research Progress of Superpiasticity of Intermetallic Ti2AlNb Orthorhombic Alloys[J].Aeronautical Manufacturing Technology,2009(10). |
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| Authors: | Guo Heping Zeng Yuansong Li Zhiqiang |
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| Abstract: | Ti2AlNb intermetallic alloys based on orthorhombic phase have excellent potential as advanced aerospace and elevated temperature structural materials because of their high specific strength and stiffness as well as their creep and oxidation resistance. Superplastic forming is an ideal process for Ti2AlNb alloy when fabricating components in practical industrial application.Recent progresses of superplasticity of Ti2AlNb alloy are reviewed in this paper.Microstructure characteristics and mechanism during sup... |
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| Keywords: | Ti2AlNb alloy Superplasticity Microstructure Mechanism |
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