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Experimental and numerical studies of titanium foil/steel explosively welded clad plate

Defence Technology（防务技术） 2023年第7期25卷 192-202页

作者： Zhi-xiong Bi Xue-jiao Li Ke Yang Rong Kai Quan Wang Meng-ben Xu Ting-zhao Zhang Xian-de Dai Jing-ye Qian Yong Wu School of Civil Engineering Anhui University of Science and TechnologyHuainanAnhui232001PR China School of Chemical Engineering Anhui University of Science and TechnologyHuainanAnhui232001PR China School of Mining Engineering Anhui University of Science and TechnologyHuainanAnhui232001PR China

Ti/Fe clad plate had attracted extensive attention because of its important application. In order to reduce the titanium layer thickness, the explosive welding of TA1 titanium foil to Q235 steel plate was carried out. The interfacial bonding performance was analyzed by micromorphology analysis and mechanical property test, and the formation process of interfacial wave and molten block in the vortex was simulated by smoothed particle hydrodynamics(SPH) method. The results showed that salt as pressure transfer layer used in explosive welding could play a good buffer effect on the collision between flyer and base layers. Regular waveforms were formed on the bonding interface, and the titanium foil/steel clad plate exhibited good welding quality and bonding property. The crest of the observed interfacial wave moved 200 μm from the beginning to the final formation, and it was important of jet on the formation of interfacial waveform. The interface was mainly bonded in the form of molten layer, and the grains near the interface were streamlined. Molten block containing intermetallic compounds and metal oxides appeared in the vortex of wave crest.

关键词： Explosive welding pressure transfer layer Titanium foil Simulation Bonding property

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