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논문 기본 정보

자료유형
학술저널
저자정보
S. F. Hong (South China University of Technology) Z. C. Lu (South China University of Technology) Y. H. Liu (South China University of Technology) Q. M. He (Guangdong Polytechnic of Water Resources and Electric Engineering) W. Jiang (South China University of Technology) M. Q. Zeng (South China University of Technology)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.27 No.12
발행연도
2021.12
수록면
5,389 - 5,398 (10page)
DOI
10.1007/s12540-021-00997-6

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초록· 키워드

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Supersaturated solid?solutions in a W?Cr alloy system were fabricated by conventional milling and plasma milling. The differentextension mechanisms of the solid solubility that were created by ball milling with and without discharge plasma werestudied. The solid?solubility of Cr in W for the P-milling W?Cr alloy system was higher, which indicates that plasma millingpromotes the formation of W(Cr) solid?solution more easily than conventional milling. According to Miedema’s model, inthe W?Cr alloy system, the free-energy change to form a W(Cr) solid solution by plasma milling is reduced compared withconventional milling because of the heating effect of the discharge plasma. Therefore, a higher stored energy in the grainboundaries and dislocations of the W?Cr nanograins during plasma milling makes it easier to overcome the thermodynamicbarrier in the formation of a solid?solution, when compared with conventional milling.

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