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Theoretical Analysis and Experimental Research into the Mechanical Properties of Al-Ti-Al Symmetrical Laminated Plate

机译:Al-Ti-Al对称层压板机械性能的理论分析与实验研究

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In order to have both the surface corrosion resistance of aluminum alloy and the high specific strength characteristics of titanium alloy, titanium alloy TC4, and aluminum alloy 6061 can be used to make aluminum-titanium-aluminum (Al-Ti-Al) three-layer laminated plate by hot rolling. In this paper, the classical laminated plate theory was used to calculate the stiffness, specific stiffness, strength, and specific strength of the laminated plate. The results showed that when the coating rate of titanium alloy TC4 was 0.5, bending specific stiffness and bending specific strength were the minimum, but all other parameters increased with the increase of the coating rate of titanium alloy TC4. Therefore, in actual production, the coating rate of titanium alloy should be avoided being 0.5. Then, the rolling experiments of the Al-Ti-Al laminated plate were carried out with different temperatures, reduction rates, and thickness ratios. Finally, the tensile test and energy spectrum analysis of the laminated plate were carried out. The results showed that, with the increase of rolling temperature, the tensile strength, the extensibility, and the thickness of the diffusion layer increased; if the coating rate of titanium alloy TC4 was between 0.2 and 0.33, the mechanical properties, the bonding strength, and the thickness of the diffusion layer increased with the increase of the coating rate of titanium alloy TC4.
机译:为了具有铝合金的表面耐腐蚀性和钛合金的高比强度特性,钛合金TC4和铝合金6061可用于制造铝 - 钛 - 铝(Al-Ti-Al)三层通过热轧层压板。在本文中,使用经典层压板理论来计算层压板的刚度,比,强度和比强度。结果表明,当钛合金TC4的涂布速率为0.5时,弯曲的特异性刚度和弯曲的特异性强度最小,但随着钛合金TC4的涂布速率的增加,所有其他参数的增加。因此,在实际生产中,应避免钛合金的涂层速率为0.5。然后,通过不同的温度,减少率和厚度比进行Al-Ti-Al层压板的滚动实验。最后,进行了层压板的拉伸试验和能谱分析。结果表明,随着轧制温度的增加,拉伸强度,伸展性和扩散层的厚度增加;如果钛合金TC4的涂布速率在0.2和0.33之间,则随着钛合金TC4的涂布速率的增加而增加,延伸层的机械性能,粘合强度和延伸层的厚度增加。

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