快速凝固Al-Cr-Zr-Fe合金的时效特性
HOT WORKING TECHNOLOGY（2000）
Abstract
用电镜分析了快凝Al-4Cr-4Zr-2Fe合金的时效组织,测定了其相应的显微硬度,表明:合金在400℃时效6h后,其硬度达到峰值213HV,此时的析出相为L12-Al3Zr和Al4(Cr,Fe).时效时间过长会因析出相粗化导致硬度下降.
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