中国机械工程2025，Vol.36Issue(6)：1314-1321,8.DOI:10.3969/j.issn.1004-132X.2025.06.018
固溶处理对锻/增复合成形TC4钛合金件的显微组织和力学性能的影响
Effects of Solution Treatment on Microstructure and Mechanics Properties of TC4 Titanium Alloy Parts Formed by Forging/Additive Manufacturing Composite Forming
摘要
Abstract
Laser solid forming(LSF)technology was used to perform compound forming on the forged TC4 titanium alloy substrates.The microstructure evolution of LSF additive manufacturing ar-eas and the joint parts of forged substrates under different solid solution heat treatment conditions and the properties of TC4 titanium alloy were studied.The results show that under the conditions of fur-nace cooling or air cooling,the higher the solution heat treatment temperature,the α/α' phase at the joints of composite forming gradually grows and coarsens.Under the condition of solution treatment at 1040℃,the original obvious joint zones are transformed into a homogeneous α-colony structure.With the increase of solution temperature,the yield strength and tensile strength of the composite parts decrease.The cooling mode of solution treatment has effects on the microstructure of the joint zones,the width of α phase under air cooling conditions is smaller than that under furnace cooling con-ditions.Under the conditions of furnace cooling,the higher the solution temperature the lower the hardness of the joint zones,and the microhardness near the joint zones is higher than that far away from the joint zones.关键词
TC4钛合金/力学性能/微观组织/固溶处理Key words
TC4 alloy/mechanics property/microstructure/solution treatment分类
矿业与冶金引用本文复制引用
王亚辉,黄亮,刘翔..固溶处理对锻/增复合成形TC4钛合金件的显微组织和力学性能的影响[J].中国机械工程,2025,36(6):1314-1321,8.基金项目
国家重点研发计划(2018YFB1106003) （2018YFB1106003）
