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|Title:||Processing of immiscible alloys by a twin-screw rheomixing process|
|Citation:||The 7th Intl Conf. on Semi-Solid Processing of Alloys and Composites, Tsukuba, Japan, 25-27 September 2002|
|Abstract:||Immiscible alloys with a microstructure in which a soft phase dispersed homogeneously in a hard matrix have great potential applications in advanced bearing systems, especially for automotive industry. Though the melt of an immiscible alloy is miscible at the temperature above the miscibility gap, it decomposes into two liquids when it passes through the liquid miscibility gap. Despite great efforts made worldwide, including extensive space experiments, no casting techniques so far can produce the desirable microstructure. Based on the extensive experience in mixing the immiscible organic liquids offered by the polymer processing community, a rheomixing process for immiscible alloys has been successfully developed at Brunel University using a twin-crew extruder. This paper presents the twin-screw rheomixing process and the experimental results on rheomixing of the immiscible Zn-Pb alloys.|
|Appears in Collections:||Brunel Centre for Advanced Solidification Technology (BCAST)|
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