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首页> 外文期刊>Journal of Materials Engineering and Performance >Microstructural Characteristics of Accumulative Roll-Bonded Ni-Al-Based Metal-Intermetallic Laminate Composite
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Microstructural Characteristics of Accumulative Roll-Bonded Ni-Al-Based Metal-Intermetallic Laminate Composite

机译：累积轧制Ni-Al基金属-金属间层合复合材料的显微组织特征

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摘要

The present investigation is an attempt to develop metal-intermetallic laminate composites based on Ni-Al system. In this study, Ni sheets and Al foils have been used for the development of Ni-Al laminate using accumulative roll-bonding technique at 773 K. The laminate composites were then subjected to the controlled annealing to affect reactive diffusion at the Ni/Al interface leading to intermetallic compound formation. The accumulative roll-bonded laminates showed good bonding of layers. Annealing treatment at 773 K led to formation of reaction product and maintained the interface integrity. A qualitative compositional analysis at the interfaces reflected the formation of Al-Ni compounds, and a gradual compositional gradient also across the interface. This process seems to be of promise so far as the continuous production of large scale metal-intermetallic laminate composites is concerned.
机译：本研究是尝试开发基于Ni-Al系统的金属-金属间层压复合材料。在这项研究中，镍片和铝箔已用于在773 K处采用累积式辊压粘合技术开发Ni-Al层压板。然后对层压板复合材料进行受控退火，以影响Ni / Al界面处的反应扩散导致金属间化合物的形成。累积的辊压层压制品显示出良好的层粘合性。 773 K的退火处理导致反应产物的形成并保持界面完整性。界面处的定性成分分析反映了Al-Ni化合物的形成，并且在界面上也逐渐形成了成分梯度。就连续生产大型金属-金属间层压复合材料而言，该工艺似乎很有希望。

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