Titanium-steel clad plate is high-performance steel that is rolled and combined by the base low carbon steel and the cladding titanium metal through a cladding process. It is one of the clad metal profiles widely studied and applied in the engineering field. Compared with traditional steel, titanium-steel clad plate has good thermal conductivity, low cost, and great advantages in price and market, which can improve the design and use efficiency and reduce maintenance costs.
The research on the titanium-steel clad plate mainly focuses on the preparation method. The current preparation methods mainly include the diffusion compounding method, explosive compounding method, explosive rolling compounding method, and rolling compounding method. The diffusion composite method is mainly used to prepare welded joints with smaller sizes, but the preparation time is long and the efficiency is low. The explosion composite method is a widely used production method. Its process is simple, the bonding strength is high, and a corrugated interface can be obtained. However, due to the huge vibration and noise generated by the explosion of explosives, it will cause environmental pollution and noise pollution to a certain extent. The development trend is inconsistent, the working conditions are poor and the degree of mechanization is low, so it cannot be used to produce titanium-steel clad plates of larger sizes. The explosive rolling cladding method is widely used, but the process is cumbersome and improper control will affect the bonding strength of titanium-steel clad plates. The titanium-steel clad plate produced by rolling the clad plate has good surface quality, free size, high precision, low environmental pollution, and high yield.
The two components of the titanium-steel clad plate have different mechanical properties and constitutive models. In the elastic state, the mechanical properties of the components are not much different from those of ordinary steel, but after entering the plastic state, the ductility is enhanced, the steel has high strength, and There is an obvious yield stage, while the titanium cladding layer has low strength and no yield state, so the stress-strain properties of the two materials after flexural deformation are different, and the stress is discontinuous at the interface of the bonding layer. Calculation of buckling deformation of titanium-steel composites using the layered method. Since the low carbon steel yields first in the bending process, the base layer shifts to the surface layer side during bending and the offset of the base layer increases gradually with the increase of the load ratio. For the bending of composite plates, some scholars have studied the stress distribution of the displacement section of the intermediate layer with bending curvature by using the elastoplastic theoretical analysis of the section, and proposed the judgment method, the relationship between the offset and the bending curvature, and used the geometric relationship of large deformation to deduce the displacement expressed The equilibrium differential equation of composite plate provides a theoretical basis for the stability research of composite materials.
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