Featureless Zone in Rapidly Solidified Aluminum Alloy Splats

Abstract

Abstract: The microstructures of rapidly solidified (RS) Al-Fe-Ce-Ti and Al-Fe-V-Si alloys obtained by means of rotating blade quenching were studied with optical microscopy,transmission electron microscopy (TEM).The featureless zone observed in the two alloys reveals that the new technique offers a higher solidification rate than the inert-gas-atomized method.Under TEM observation the featureless zone presents virtually a micropartition or partitionless feature,and the solute contents in it are almost the same as the chemical composition of alloys.

Key words: rapid solidification, rotating blade quenching, aluminum alloy, featureless zone

Ningfu SHEN Yali TANG Dongjie ZHANG Longqing CHEN Shaokang GUAN Research Centre for Materials,Zhengzhou Institute of Technology,Zhengzhou,450002,China. Featureless Zone in Rapidly Solidified Aluminum Alloy Splats[J]. J Mater Sci Technol, 1993, 9(6): 464-466.

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Featureless Zone in Rapidly Solidified Aluminum Alloy Splats

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