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Acta Metall Sin  1998, Vol. 34 Issue (5): 455-458    DOI:
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BULK NANO-SCALE MULTILAYERS PREPARED BY REPEATED PRESSING-ROLLING
HUANG Bin (School of Materials Science and Engineering; Shanghai Jiaotong University; Shanghai 200030)ISHIHARA Keiichi N; SHINGU Hideo P (Graduate School of Energy Science; Kyoto University; Kyoto 606; Japan)
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HUANG Bin (School of Materials Science and Engineering; Shanghai Jiaotong University; Shanghai 200030)ISHIHARA Keiichi N; SHINGU Hideo P (Graduate School of Energy Science; Kyoto University; Kyoto 606; Japan). BULK NANO-SCALE MULTILAYERS PREPARED BY REPEATED PRESSING-ROLLING. Acta Metall Sin, 1998, 34(5): 455-458.

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Abstract  Bulk nano-scale multilayers have been prepared by repeated pressing-rolling the initially macroscopically thick layered sample. The SEM and TEM observations revealed that the final layer thickness in the regular laminates is about 10 nm. The Fe/Cu multilayers exhibited a clear magnetoresistance (MR) ratio at 77 K. The tensile strength is over 1500 MPa and its elongation is about 0.8% at room temperature.
Key words:  nano-scale material      Fe/Cu multilayer      repeated pressing-rolling      magnetoresistance     
Received:  18 May 1998     
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