航空材料学报2026，Vol.46Issue(5)：106-118,13.DOI:10.11868/j.issn.1005-5053.2026.000057
航空结构用新型高性能损伤容限钛合金材料技术研究与发展
Research and development of new high-performance damage-tolerant titanium alloy material technology for aeronautical structures
朱知寿 1李明兵 1商国强 1王新南 1祝力伟 1陶常安 1杨佳琛1
作者信息
- 1. 中国航发北京航空材料研究院 先进钛合金航空科技重点实验室,北京 100095
- 折叠
摘要
Abstract
Technological innovation in high-performance damage-tolerant titanium alloys for aerospace equipment stands as a core strategic pillar,enabling China's aviation industry to achieve independent design of equipment structures,localization of key technologies,and leapfrog industrial development.This paper conducts a comprehensive review of the research status and technological advancements in damage-tolerant titanium alloys for aeronautical structures both domestically and internationally,and focuses on expounding the research breakthroughs and engineering application achievements of new high-performance damage-tolerant titanium alloys for aircraft structures by Beijing Institute of Aeronautical Materials.The study proposes that adhering to the core of"demand-driven,systematic development,and cross-generation research and development"is the fundamental path to promote the iteration of China's new-generation aeronautical high-performance titanium alloy material technologies.To this end,by making breakthroughs in key technologies such as precise alloy composition design,high-purity and clean smelting,homogenization forming of large-sized bars,integrated processing of integral forgings,and multi-scale comprehensive strengthening and toughening,a backbone material system of titanium alloys for Chinese aircraft structures with independent intellectual property rights has been initially established,covering three series of damage-tolerant titanium alloys:medium-high strength and high toughness,high strength and high toughness,and ultra-high strength and high toughness.Meanwhile,to meet the dual requirements of lightweight and cost-effective aeronautical structures,a new type of medium-high strength and high toughness,low-cost damage-tolerant titanium alloy and its application technology have been successfully developed.This development achieves the collaborative optimization of strength and toughness and the optimal performance matching of three typical microstructures of the alloy,providing a new approach for the lightweight design and engineering application of aeronautical structures.Future research should further integrate cutting-edge technologies such as artificial intelligence-assisted material design and additive manufacturing,strengthen basic theoretical research and engineering verification,and lay a solid theoretical foundation and provide technical support for the further enhancement of performance and wide-scale engineering application of high-performance damage-tolerant titanium alloy materials in China.关键词
航空结构用钛合金/损伤容限/显微组织/综合强韧化/力学性能Key words
titanium alloy materials for aeronautical structures/damage tolerance/microstructure/comprehensive strengthening and toughening/mechanical property分类
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朱知寿,李明兵,商国强,王新南,祝力伟,陶常安,杨佳琛..航空结构用新型高性能损伤容限钛合金材料技术研究与发展[J].航空材料学报,2026,46(5):106-118,13.
