Design and formation mechanism of self-organized core/shell structure composite powder in immiscible liquid system

Cui Ping Wang, Xing Jun Liu, Rong Pei Shi, Chen Shen, Yunzhi Wang, Ikuo Ohnuma, Ryosuke Kainuma, Kiyohito Ishida

Research output: Contribution to journalArticlepeer-review

52 Citations (Scopus)

Abstract

Under the guidance of the calculation of phase diagrams method, the self-organized Cu alloy/stainless steel composite powders with a core/shell microstructure were developed based on the gas atomization process, and the formation evolution of self-organized core/shell structure composite powders was modeled by the phase field method. This paper gives a more detailed explanation for the formation of self-organized core/shell structure composite powders from the viewpoints of thermodynamics and kinetics. Such core/shell structure composite powders have good combination of high strength and corrosion resistance (Fe-rich phase) and high electric and thermal conductivities (Cu-rich phase) with many potential advanced applications in electronic devices.

Original languageEnglish
Article number141904
JournalApplied Physics Letters
Volume91
Issue number14
DOIs
Publication statusPublished - 2007
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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