快速凝固高硅铝合金粉末中值直径d50对硅粒子尺寸的影响

1.西北工业大学,凝固技术国家重点实验室,西安,710072

2.西北工业大学,凝固技术国家重点实验室,西安,710072

3.西安导航技术研究所,西安,710068

4.西北工业大学,凝固技术国家重点实验室,西安,710072

5.西北工业大学,凝固技术国家重点实验室,西安,710072

基金项目: 航空基础科学基金(94G53122)

Influence of middle-diameter d50 of rapidly solidified high Si content Al alloy powder on Si particle size

研究了气体雾化高硅铝合金粉末的中值直径d50与硅粒子尺寸的关系,并用传热学分析了这一现象.结果表明,粉末中值直径d50与硅粒子细化有密切的关系,存在一定的规律,并认为当d50＜50μm时,硅粒子尺寸＜3μm.

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