Transformation between nanocrystalline and amorphous phases in Zr-X Alloys during accumulative roll bonding

P. J. Hsieh, J. C. Huang, J. S.C. Jang, C. Y.A. Tsao

研究成果: 雜誌貢獻期刊論文同行評審

6 引文 斯高帕斯(Scopus)

摘要

The nanocrystallization and amorphization processes in various Zr-X alloys during accumulative roll bonding (ARB) are explored. The gradual evolutions of nanocrystalline (nc) phase size, amorphous (amf) volume fraction, hardness, elastic modulus are characterized, and the mechanisms are explored. The initial structure refinement is achieved via shear band propagation and substructure subdivision, followed by interdiffusion and amorphization in the mantle region of the elemental nc phase, resulting in nc core sizes of 3-10 nm. Finally, the nc cores suddenly transform into the amorphous phase due to the high interfacial energy.

原文???core.languages.en_GB???
頁(從 - 到)351-354
頁數4
期刊Journal of Metastable and Nanocrystalline Materials
24-25
DOIs
出版狀態已出版 - 2005

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