用高压水雾化法制备高硅铝合金粉末．并对粉末的特性进行了分析检测.实验结果表明、用该方法可制得含氧量低、粒度分布均匀、压制性好的合金粉末与同种合金的铸造试样相比，粉末的显微组织得到了显著细化，Si相的形态、尺寸及分布得到了明显改善，其α-Al基体因合金元素固溶度的提高得到了显著强化
Al-30%Si alloy powder was prepared by high-pressure water atomization, and its oxygen content, particle size, morphology and microstructure were studied. Results show that the water atomization process can prepare fine particle size, even size distribution, low oxygen content powder. Due to rapid solidification, the silicon phases were greatly fined and the base-phase was reinforced, as compared with Al-30%Si cast alloy.
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