| TiAl合金气雾化制粉及热等静压成形研究进展 |
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| 引用本文： | 刘玉峰,张国庆,刘娜,李周.TiAl合金气雾化制粉及热等静压成形研究进展[J].精密成形工程,2022,14(11):47-54. |
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| 作者姓名： | 刘玉峰 张国庆 刘娜 李周 |
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| 作者单位： | 中国航发北京航空材料研究院 先进高温结构材料重点实验室，北京 100095 |
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| 基金项目： | 国家重点研发计划(2021YFB3700502) |
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| 摘 要： | 概述了TiAl合金气雾化制粉及热等静压成形的主要研究成果。在TiAl合金粉末制备方面，重点介绍了气雾化制粉工艺、粉末粒度控制、粉末氧含量控制和粉末组织特征。针对热等静压技术，介绍了TiAl合金粉末热等静压致密化过程及机理，总结了采用热等静压近净成形工艺制备TiAl合金转捩片的研究成果。结合粉末冶金TiAl合金研究进展，提出了未来TiAl合金粉末制备及成形技术的发展方向。
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| 关 键 词： | 粉末冶金 TiAl合金 气雾化 热等静压 近净成形 |
Research Progress in Gas Atomization and Hot Isostatic Pressing of TiAl Alloy |
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| LIU Yu-feng,ZHANG Guo-qing,LIU N,LI Zhou.Research Progress in Gas Atomization and Hot Isostatic Pressing of TiAl Alloy[J].Journal of Netshape Forming Engineering,2022,14(11):47-54. |
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| Authors: | LIU Yu-feng ZHANG Guo-qing LIU N LI Zhou |
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| Affiliation: | Advanced High Temperature Structural Materials Laboratory, Beijing Institute of Aeronautical Materials,AECC, Beijing 100095 |
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| Abstract: | The research progress of gas atomization and hot isostatic pressing (HIPing) of TiAl alloy was reviewed. The gas atomization technologies, particle size and oxygen content control factors, microstructure of TiAl alloy powders were introduced. Densification process and mechanism of TiAl alloy powders via hot isostalic pressing was also established. TiAl alloy transition part formed by HIPing near net shaping were summarized. Further research direction of PM TiAl alloy was addressed. |
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| Keywords: | powder metallurgy TiAl alloy gas atomization hot isostatic pressing near net shaping |
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