| 重复压缩—轧制法制备纳米级金属多层材料 |
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| 引用本文： | 黄斌,石原庆一,新宫秀夫.重复压缩—轧制法制备纳米级金属多层材料[J].金属学报,1998,34(5):455-458. |
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| 作者姓名： | 黄斌 石原庆一 新宫秀夫 |
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| 作者单位： | 上海交通大学材料科学与工程系!上海，200030(黄斌)，京都大学!京都606，日本(石原庆一，新宫秀夫) |
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| 摘 要： | 通过将层厚为数十微米的金属多层材料重复地进行压缩和轧制处理制备了纳米级金属多层材料，扫描电镜和透射电镜观察提示了最终达到纳米级层厚的有规律的层厚减薄过程，磁电阻的测定结果也证实了纳米多层材料的形成。试样的拉伸强度高达１５００ＭＰａ以上，延伸率为０．８％左右。
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| 关 键 词： | 纳米材料 金属多层材料 压缩－轧制法 磁电阻 |
| 收稿时间： | 1998-05-18 |
| 修稿时间： | 1998-05-18 |
BULK NANO-SCALE MULTILAYERS PREPARED BY REPEATED PRESSING-ROLLING |
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| HUANG Bin ISHIHARA Keiichi N,SHINGU Hideo P.BULK NANO-SCALE MULTILAYERS PREPARED BY REPEATED PRESSING-ROLLING[J].Acta Metallurgica Sinica,1998,34(5):455-458. |
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| Authors: | HUANG Bin ISHIHARA Keiichi N SHINGU Hideo P |
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| Affiliation: | HUANG Bin (School of Materials Science and Engineering,Shanghai Jiaotong University,Shanghai )ISHIHARA Keiichi N,SHINGU Hideo P (Graduate School of Energy Science,Kyoto University,Kyoto,Japan) |
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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. |
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| Keywords: | nano-scale material Fe/Cu multilayer repeated pressing-rolling magnetoresistance |
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