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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >The evolution of microstructures and mechanical properties during accumulative roll bonding of Al/Mg composite
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The evolution of microstructures and mechanical properties during accumulative roll bonding of Al/Mg composite

机译：Al / Mg复合材料累积轧制过程中组织和力学性能的演变

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摘要

Accumulative roll bonding (ARB) is a kind of severe plastic deformation process which can produce high strength metals with ultra-fine grained microstructure. Mechanical properties will be increased due to the ultra-fine grain structures. In this study, the ARB process is used, the snap-stack working to reduplicate Al (ASM-1100)/Mg (AZ31) alloy which is chosen and then made thinner and longer by rolling and repeating the processes. Steps of 12 layers are created. The ARB process creates a multilayer compound between Al/Mg layers with excellent bonding characteristics and fine grained microstructure. The bonding condition became ascendant gradually and increased from one to three cycles. The grain sizes of Al and Mg alloys were 875 ran and 656 nm after three cycles. The hardness of the Al and Mg alloys were raised to HV42 and HV90 after three cycles.
机译：累积辊压粘结（ARB）是一种严重的塑性变形过程，可以生产具有超细晶粒组织的高强度金属。由于超细晶粒结构，机械性能将得到提高。在这项研究中，使用了ARB工艺，通过快速堆焊来复制Al（ASM-1100）/ Mg（AZ31）合金，然后选择铝，然后通过轧制和重复工艺使其更薄，更长。创建12层的步骤。 ARB工艺可在Al / Mg层之间形成多层化合物，具有优异的粘结特性和细晶粒的微观结构。结合条件逐渐上升，并从一到三个周期增加。经过三个循环后，Al和Mg合金的晶粒尺寸分别为875纳米和656 nm。经过三个循环后，Al和Mg合金的硬度提高到HV42和HV90。

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