基于数值模拟的钛钢复合构件制备工艺研究

张健健; 李育洛; 贾向坤; 李佩琪

doi:10.3969/j.issn.1674-6457.2026.09.007

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精密成形工程 ›› 2026, Vol. 18 ›› Issue (9) : 66-72. DOI: 10.3969/j.issn.1674-6457.2026.09.007

轻合金成形

基于数值模拟的钛钢复合构件制备工艺研究

张健健, 李育洛^*, 贾向坤, 李佩琪

作者信息 +

Preparation Process of Titanium Steel Composite Materials Based on Numerical Simulation

ZHANG Jianjian, LI Yuluo^*, JIA Xiangkun, LI Peiqi

Author information +

文章历史 +

摘要

目的针对不同类型不锈钢在钛（Ti52）/钢复合构件生产过程中出现的热膨胀系数失配现象、冷却过程中产生的巨大残余应力以及复合构件出现的裂纹、冶金结合不佳等问题,分析不同类型的不锈钢对钛/钢复合构件残余应力的影响,探寻最佳的匹配材料。方法采用ANSYS有限元分析软件结合JmatPro热物性参数计算工具,构建钛/钢复合构件热压数值模拟模型,对Ti52与不同类型不锈钢组成的钛/钢复合构件开展残余应力与剪切应力的数值模拟分析;同时,探究单一不锈钢材料不同热压温度对复合构件应力的影响规律,筛选出最优的不锈钢/Ti52钛钢复合构件。结果数值模拟结果表明,2205双相不锈钢/Ti52钛合金复合构件表现最优,残余应力、剪切应力均为最小,分别为45.53 MPa和23.57 MPa;综合应力分布与组织分析结果,确认较优的热压工艺参数为850 ℃×1 h FC,在此工艺参数下,2205不锈钢组织并未发生转变,仍保持奥氏体+铁素体双相组织。结论通过数值模拟分析得到较优的钛钢复合工艺参数,在理论指导试验的基础上,采用此工艺成功制得结合界面处无缺陷的Ti52钛合金/钢复合构件。

Abstract

To address the mismatch in thermal expansion coefficients of different types of stainless steels during the production process of titanium (Ti52)/steel composite components, which leads to significant residual stresses during cooling, resulting in issues such as cracks and poor metallurgical bonding in the composite components, the work aims to analyze the effects of different types of stainless steels on the residual stresses of titanium/steel composite components to identify the optimal matching materials. The numerical simulation model of hot pressing for titanium/steel composite components was constructed by ANSYS finite element analysis software combined with the JmatPro thermal property parameter calculation tool. Numerical simulation analysis of residual stress and shear stress was conducted on titanium/steel composite components composed of Ti52 and different types of stainless steels. Additionally, the effects of different hot pressing temperatures for single stainless steel material on the stress of composite components were investigated to screen the optimal stainless steel/Ti52 titanium-steel composite component. The numerical simulation results showed that the 2205 duplex stainless steel/Ti52 titanium alloy composite component performed the best, with both residual stress and shear stress being minimal, at 45.53 MPa and 23.57 MPa, respectively. Based on the comprehensive stress distribution and microstructure analysis, it was confirmed that the optimal hot pressing process was 850 ℃×1 h FC, under which the microstructure of 2205 stainless steel did not change and remained a dual-phase structure of austenite+ferrite. Through numerical simulation analysis, the optimal titanium-steel composite process parameters are obtained. Based on theoretical guidance and experimental verification, this process is successfully used to produce Ti52 titanium alloy/steel composite components with a defect-free bonding interface.

导出引用

张健健, 李育洛, 贾向坤, 李佩琪. 基于数值模拟的钛钢复合构件制备工艺研究[J]. 精密成形工程. 2026, 18(9): 66-72 https://doi.org/10.3969/j.issn.1674-6457.2026.09.007

ZHANG Jianjian, LI Yuluo, JIA Xiangkun, LI Peiqi. Preparation Process of Titanium Steel Composite Materials Based on Numerical Simulation[J]. Journal of Netshape Forming Engineering. 2026, 18(9): 66-72 https://doi.org/10.3969/j.issn.1674-6457.2026.09.007

中图分类号： TG441.2

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