Preparation Process of Titanium Steel Composite Materials Based on Numerical Simulation

ZHANG Jianjian; LI Yuluo; JIA Xiangkun; LI Peiqi

doi:10.3969/j.issn.1674-6457.2026.09.007

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Journal of Netshape Forming Engineering ›› 2026, Vol. 18 ›› Issue (9) : 66-72. DOI: 10.3969/j.issn.1674-6457.2026.09.007

Light Alloy Forming

Preparation Process of Titanium Steel Composite Materials Based on Numerical Simulation

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

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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.

Key words

titanium steel composite / hot pressing composite / numerical simulation / residual stress

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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

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