Disordering of the Ni3Si intermetallic compound by mechanical milling

J. S.C. Jang, C. H. Tsau

研究成果: 雜誌貢獻期刊論文同行評審

12 引文 斯高帕斯(Scopus)

摘要

The ordered f c c intermetallic compound Ni3Si was mechanically milled in a high-energy ball mill. The severe plastic deformation produced by milling induced transformations with increasing milling time as follows: ordered f c c → disordered f c c → nanocrystalline f c c. The structural and microstructural evolution with milling time was followed by X-ray diffraction, TEM, hardness tests, and differential scanning calorimetry (DSC). Complete disordering occurred at milling times of 2 h and kept the saturated ΔH of the DSC peak in the range of estimated enthalpy even after 60 h milling. The structural development during milling of the f c c solid solution for Ni3Si was presumably dominated by the formation and refinement of a dislocation cell structure into microcrystallites which eventually reached nanometre dimensions.

原文???core.languages.en_GB???
頁(從 - 到)982-988
頁數7
期刊Journal of Materials Science
28
發行號4
DOIs
出版狀態已出版 - 1月 1993

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