Bulk Mechanical Alloying of Zr-Cu System by Accumulative Roll Bonding (ARB)

机译：累积辊压结合（ARB）对Zr-Cu体系进行整体机械合金化

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Multilayer of Cu-Zr sheets was highly strained up to an equivalent strain of about 14 by the accumulative roll bonding (ARB) process at ambient temperature. During the early ARB cycles, many shear bands appeared due to significant difference in the flow behaviors between Cu and Zr. The shear banding retarded the steady decrease of the microstructural dimension. However, it was clarified that amorphous phase formed within the shear bands, where plastic strain was greatly localized, in the as-ARB processed specimen without any heat treatments. The results indicated that the ARB can be a promising bulk mechanical alloying process for sheet materials.

机译：通过在环境温度下的累积辊压结合（ARB）工艺，多层Cu-Zr片材被高度拉伸至等效应变约14。在早期的ARB循环中，由于Cu和Zr之间的流动行为存在明显差异，出现了许多剪切带。剪切带阻碍了微观结构尺寸的稳定减小。然而，已澄清的是，在未经任何热处理的情况下，在经ARB处理的试样中，剪切应变范围内的非晶带形成了塑性应变极大地局限的剪切带。结果表明，ARB可能是一种有前途的板材机械合金化工艺。

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来源
《International Symposium on Metastable, Mechanically Alloyed and Nanocrystalline Materials(ISMANAM 2004); 20040822-26; Sendai(JP)》|2004年|P.643-646|共4页
会议地点 Sendai(JP)
作者
N.Tsuji; S.Kato; S.Ohsaki; K.Hono; Y.Minamino;
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作者单位

Dept. of Adaptive Machine Systems, Osaka University. 2-1 Yamadaoka, Suita, 565-0871, Japan;

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原文格式 PDF
正文语种 eng
中图分类工程材料一般性问题;
关键词
severe plastic deformation; arb; amorphous; metallic glass; shear band; strain;

机译：严重塑性变形;轴;非晶;金属玻璃;剪切带;应变;

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Bulk Mechanical Alloying of Zr-Cu System by Accumulative Roll Bonding (ARB)

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