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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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摘要

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:为了同时具有铝合金的表面的耐腐蚀性和钛合金,钛合金TC4的高比强度的特性,和铝合金6061可以用来使铝 - 钛 - 铝(Al-Ti系的Al)的三层通过热轧层压板。在本文中,经典的层叠板理论被用来计算刚度,比刚度,强度和层压板的特定强度。结果表明,当钛的涂覆速率合金TC4为0.5,弯曲比刚度和弯曲比强度为最小,但所有其他参数与钛合金TC4的被覆率的增加而增加。因此,在实际生产中,钛合金的涂覆速率,应避免为0.5。然后,将铝 - 钛 - 铝的轧制实验层压板用不同的温度下,还原率,和厚度比进行。最后,将层合板的拉伸试验和能谱分析中进行。结果表明,随着轧制温度的增加,拉伸强度,延伸性,和所述扩散层的厚度增加;如果钛合金TC4的涂覆率为0.2和0.33时,机械性能,粘合强度和扩散层的厚度之间用钛合金TC4的被覆率的增加而增加。

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