粉末冶金Ti-6Al-4V合金强塑性协同的研究进展

雷丙旺; 云雪峰; 王永强; 翟鹏远; 秦瑞廷

doi:10.3969/j.issn.1674-6457.2026.10.007

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精密成形工程 ›› 2026, Vol. 18 ›› Issue (10) : 65-81. DOI: 10.3969/j.issn.1674-6457.2026.10.007

轻合金成形

粉末冶金Ti-6Al-4V合金强塑性协同的研究进展

雷丙旺¹, 云雪峰¹, 王永强^1,*, 翟鹏远², 秦瑞廷¹

作者信息 +

Research Progress on Strength-ductility Synergy of Powder Metallurgy Ti-6Al-4V Alloy

LEI Bingwang¹, YUN Xuefeng¹, WANG Yongqiang^1,*, ZHAI Pengyuan², QIN Ruiting¹

Author information +

文章历史 +

摘要

Ti-6Al-4V（TC4）合金因其比强度高、生物相容性优异及耐腐蚀性能突出,在航空航天、生物医疗及海洋工程等领域受到广泛关注。粉末冶金技术为实现Ti-6Al-4V合金的复杂形状近净成形、提高材料利用率提供了理想路径。然而,粉末冶金制备Ti-6Al-4V合金中的氧脆、残余孔隙与组织粗化三者相互关联、协同演化,是制约其强度与塑性协同提升的关键工艺难题。如何在保证致密化的同时调控氧含量和组织形态,实现强塑性的协同提升,是当前研究的重点。本文围绕粉末冶金制备Ti-6Al-4V原料特性、压制烧结工艺及后处理方法,讨论氧调控机制、致密化行为以及组织调控策略,综述粉末冶金Ti-6Al-4V合金在强塑性协同改性方面的研究进展。最后,展望了粉末冶金Ti-6Al-4V未来的发展方向。

Abstract

Ti-6Al-4V (TC4) alloy has attracted extensive attention in aerospace, biomedical, and marine engineering fields due to its high specific strength, excellent biocompatibility, and outstanding corrosion resistance. Powder metallurgy technology provides an ideal pathway for achieving near-net shaping of complex-shaped Ti-6Al-4V components and improving material utilization. However, the interrelated and co-evolving issues of oxygen embrittlement, residual porosity, and microstructural coarsening in powder metallurgy Ti-6Al-4V alloys constitute key processing challenges that restrict the synergistic enhancement of strength and ductility. How to simultaneously regulate oxygen content and microstructure morphology while ensuring densification to achieve synergistic improvement of strength and ductility is a focal point of current research. Based on the raw material characteristics, pressing and sintering processes, and post-treatment methods of Ti-6Al-4V, the work aims to clarify oxygen control mechanisms, densification behaviors, and microstructure tailoring strategies, and summarize the research progress in synergistic strength-ductility modification of powder metallurgy Ti-6Al-4V alloys. Finally, future directions for powder metallurgy Ti-6Al-4V are prospected.

导出引用

雷丙旺, 云雪峰, 王永强, 翟鹏远, 秦瑞廷. 粉末冶金Ti-6Al-4V合金强塑性协同的研究进展[J]. 精密成形工程. 2026, 18(10): 65-81 https://doi.org/10.3969/j.issn.1674-6457.2026.10.007

LEI Bingwang, YUN Xuefeng, WANG Yongqiang, ZHAI Pengyuan, QIN Ruiting. Research Progress on Strength-ductility Synergy of Powder Metallurgy Ti-6Al-4V Alloy[J]. Journal of Netshape Forming Engineering. 2026, 18(10): 65-81 https://doi.org/10.3969/j.issn.1674-6457.2026.10.007

中图分类号： V256

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