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High temperature compressive properties and room temperature fracture toughness of directionally solidified NiAl-based eutectic alloy
AbstractA eutectic alloy NiAl–28Cr–5.94Mo–0.05Hf–0.01Ho (at.%) was directionally solidified by liquid metal cooling technique at two growth rates (3 and 10mm/min). The aligned microstructure was finer and more disturbed at growth rate of 10mm/min than that at 3mm/min, while the compressive properties at 1373K was independent of the growth rate for these two alloys. The yield strength at 1373K of the alloys produced by liquid metal cooling technique was 26% higher than that by the conventional Bridgeman technique. The fracture toughness of the alloy at 10mm/min is a little lower than that at 3mm/min, but about 47% higher than that of the alloy produced by Bridgeman technique.
High temperature compressive properties and room temperature fracture toughness of directionally solidified NiAl-based eutectic alloy
AbstractA eutectic alloy NiAl–28Cr–5.94Mo–0.05Hf–0.01Ho (at.%) was directionally solidified by liquid metal cooling technique at two growth rates (3 and 10mm/min). The aligned microstructure was finer and more disturbed at growth rate of 10mm/min than that at 3mm/min, while the compressive properties at 1373K was independent of the growth rate for these two alloys. The yield strength at 1373K of the alloys produced by liquid metal cooling technique was 26% higher than that by the conventional Bridgeman technique. The fracture toughness of the alloy at 10mm/min is a little lower than that at 3mm/min, but about 47% higher than that of the alloy produced by Bridgeman technique.
High temperature compressive properties and room temperature fracture toughness of directionally solidified NiAl-based eutectic alloy
Liang, Yongchun (Autor:in) / Guo, Jianting (Autor:in) / Xie, Yi (Autor:in) / Zhou, Lanzhang (Autor:in) / Hu, Zhuangqi (Autor:in)
15.08.2008
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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