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Experimental and numerical approach to titanium-aluminum explosive welding
Materials Research Express ( IF 1.8 ) Pub Date : 2021-09-02 , DOI: 10.1088/2053-1591/ac2017
Xiaoming Wu , Changgen Shi , Ke Feng , Li Gao , Wenxuan Li , Kun Qian

The welding parameters of TA2/1060/5083 were calculated accurately through a combination of explosive welding weldability window and numerical simulation, based on which explosion welding experiments were conducted using these parameters obtained. Then, a test was carried out on the mechanical properties of the composite plates obtained from the experiments and microstructure characterization was performed. As suggested by the results, TA2/1060 was a excellent straight bond, and the interface of 1060/5083 was a sine-wave featuring both vortex structure and splashing molten block structure, with an average wavelength of 700 μm and a wave height of 100 μm. The tensile strength and shear strength of the composite materials reached 354 MPa and 110 MPa, respectively, while the material showed the signs of ductile fracture. Moreover, work hardening and fine grain strengthening occurred at the interface, as did the element diffusion of Ti-Al, with a maximum diffusion depth of 32 μm.



中文翻译:

钛铝爆炸焊接的实验和数值方法

TA2/1060/5083的焊接参数通过爆炸焊接可焊性窗口和数值模拟相结合的方法精确计算,并在此基础上利用这些参数进行爆炸焊接实验。然后,对实验所得复合板的力学性能进行了测试,并进行了微观结构表征。正如结果表明,TA2 / 1060是一种优异的直键,且的五千零八十三分之一千零六十零接口是一个正弦波设有两个涡旋结构和飞溅的熔融块结构,具有700的平均波长μ m和的波形高度100 μ米。复合材料的拉伸强度和剪切强度分别达到354 MPa和110 MPa,同时材料显示出韧性断裂的迹象。此外,界面处发生加工硬化和细晶粒强化,Ti-Al 的元素扩散也是如此,最大扩散深度为 32 μ m。

更新日期:2021-09-02
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