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Texture Evolution of the Mg/Al Laminated Composite by Accumulative Roll Bonding at Ambient Temperature
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Texture Evolution of the Mg/Al Laminated Composite by Accumulative Roll Bonding at Ambient Temperature
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National Natural Science Foundations of China (51071057); China Post-doctor Science Foundation (2011M500238)

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    摘要:

    以商業(yè)純Mg、純Al板材為初始材料，采用累積疊軋法 (ARB) 在室溫下成功制備出Mg/Al多層復(fù)合板材。在累積疊軋過(guò)程中，復(fù)合板材中Mg層和Al組織隨著循環(huán)次數(shù)的提高而細(xì)化。通過(guò)中子衍射技術(shù)對(duì)復(fù)合板材的織構(gòu)進(jìn)行測(cè)試后表明：在初始復(fù)合后的Al/Mg/Al三明治復(fù)合板材中，Mg層和Al層主要織構(gòu)類型均為剪切織構(gòu)。而在后續(xù)的累積疊軋過(guò)程當(dāng)中，由于其工藝特點(diǎn)，導(dǎo)致Mg層和Al層中軋制織構(gòu)組分出現(xiàn)，最終Mg層主要呈現(xiàn)出典型軋制織構(gòu)而Al層則表現(xiàn)出以軋制織構(gòu)組分為主并伴有剪切織構(gòu)的混合織構(gòu)類型

    Abstract:

    The Mg/Al laminated composites were prepared by the accumulative roll bonding (ARB) at ambient temperature using the commercial pure magnesium and pure Al sheets as starting materials. Microstructure of both Mg and Al layer were refined during ARB processing. Neutron diffraction was employed to investigate the texture evolution of this kind of laminated composite. Both the Mg and Al layer of the primary sandwich exhibited dominant shear texture. During the following accumulative roll bonding, the texture of Mg layer transformed to typical rolling texture while the Al layer showed a combined texture type including evident β fiber and the Rotate Cube component

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常 海,鄭明毅,甘為民,徐 超,H. G. Brokmeier. Texture Evolution of the Mg/Al Laminated Composite by Accumulative Roll Bonding at Ambient Temperature[J].稀有金屬材料與工程,2013,42(3):441~446.[Chang Hai, Zheng Mingyi, Gan Weimin, Xu Chao, H. G. Brokmeier. Texture Evolution of the Mg/Al Laminated Composite by Accumulative Roll Bonding at Ambient Temperature[J]. Rare Metal Materials and Engineering,2013,42(3):441~446.]
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  • 收稿日期:2012-11-11
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