발간논문

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Vol.27, No.10, 913 ~ 921, 1989
Title
Effects of Alloying Elements on the Microstructure fo Rapidly Solidified Al - Fe Based Alloys
백남익Nam Ik Baik, 허성강Sung Kang Huh, 나형용Hyung Yong Ra
Abstract
The effect of alloying elements on the microstructure was studied in the rapidly solidified Al-Fe based alloys by single roll method. Volume fraction of precipitates in the rapidly solidified Al-Fe binary alloys increased with increasing iron contents. The fine precipitates in the rapidly solidified Al-Fe alloy ribbons were identified as A1_6Fe compound, although precipitates formed in the east ingots were Al₃Fe compound. The Al-Fe based alloy ribbon consisted of a supersaturated solid solution and a microcellular structure. Microscopic study revealed that the Al-Fe-Mo and A1-Fe-Si alloy ribbons had finer cell structure than the Al-Fe binary alloy ribbons. The Al-Fe-Mo-Si quaternary alloy ribbon had subgrain-like structure at zone A, which was different from the binary or ternary alloy ribbons.
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