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Using cold roll bonding and annealing to process Ti/Al multi-layered composites from elemental foils

机译:使用冷轧结合和退火从元素箔中加工Ti / Al多层复合材料

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In this study, multi-layered Ti/Al composites were prepared using a cyclic cold roll bonding/annealing process. The effect of initial thickness reduction by cold roll bonding and cyclic cold roll bonding/annealing on the formation and development of the titanium aluminide phase has been investigated in detail. The phases formed were characterized using light microscopy equipped with digital image analysis system and scanning electron microscopy (SEM) equipped with energy dispersive spectroscopy (EDS). The thermodynamics and kinetics of the diffusion reaction were investigated using differential scanning calorimetry (DSC) and enthalpy (H), entropy (5) and capacity (C) thermodynamic calculations. The diffusion reaction mechanism at this stage was discussed.
机译:在这项研究中,使用循环冷轧结合/退火工艺制备了多层Ti / Al复合材料。已经详细研究了通过冷轧结合和循环冷轧结合/退火减小初始厚度对铝化钛相的形成和发展的影响。使用配备有数字图像分析系统的光学显微镜和配备了能量色散光谱仪(EDS)的扫描电子显微镜(SEM)对形成的相进行表征。使用差示扫描量热法(DSC)和焓(H),熵(5)和容量(C)热力学计算研究了扩散反应的热力学和动力学。讨论了该阶段的扩散反应机理。

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