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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >The correlation between as-cast and aged microstructures of high-vacuum die-cast Mg-9Al-lZn magnesium alloy
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The correlation between as-cast and aged microstructures of high-vacuum die-cast Mg-9Al-lZn magnesium alloy

机译：高真空压铸Mg-9Al-1Zn镁合金的铸态与时效组织的相关性

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摘要

The aging microstructure of high-vacuum die-cast Mg-9Al-lZn magnesium alloy was investigated. The microstructure after aging at the surface of the cast specimens was different than the center, which could be attributed to the differences in as-cast microstructure and Al content in these two regions. Both regions showed discontinuous precipitation characteristics; these precipitations started from the (3-particles, which initially precipitated at the grain boundaries and then grew to the inner grains. The Al content greatly influenced the growth rate and overall percentage of the discontinuous precipitated structures.
机译：研究了高真空压铸Mg-9Al-1Zn镁合金的时效组织。铸件表面时效后的显微组织与中心不同，这可能是由于这两个区域的铸态组织和铝含量不同。两个地区均表现出不连续的降水特征。这些沉淀从（3-颗粒开始，最初在晶界沉淀，然后生长到内部颗粒。Al含量极大地影响了不连续沉淀结构的生长速率和总百分比。

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