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首页> 外文期刊>ISIJ international >Effects of dissolved oxygen and size distribution on particle coarsening of deoxidation product
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Effects of dissolved oxygen and size distribution on particle coarsening of deoxidation product

机译：溶解氧和粒度分布对脱氧产物颗粒粗化的影响

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摘要

The growth mechanism for deoxidation products of MgO, ZrO_2, Al_2O_3, CaO-Al_2O_3 and MnO-SiO_2 in an Fe-10mass percent Ni alloy has been studied under the condition of no fluid flow by considering the effects of dissolved oxygen and size distribution on Ostwald ripening. The coarsening rate of particles is largely dependent on the dissolved oxygen content. The spread of particle size distribution decreases in the order of Al_2O_3>ZrO_2>MgO>CaO-Al_2O_3>MnO/SiO_2 particles and that of solid Al_2O_3, ZrO_2 and MgO particles becomes narrower with holding time. The coarsening rate is also affected by the spread of size distribution curve and this is the reason that the coarsening rate of Al_2O_3 particles is larger than that predicted from dissolved oxygen content.
机译：考虑到溶解氧和粒度分布对Ostwald合金的影响，研究了在无流体流动条件下，研究了Fe-10质量百分比Ni合金中MgO，ZrO_2，Al_2O_3，CaO-Al_2O_3和MnO-SiO_2脱氧产物的生长机理。成熟。颗粒的粗化率在很大程度上取决于溶解氧的含量。粒径分布的分布按Al_2O_3> ZrO_2> MgO> CaO-Al_2O_3> MnO / SiO_2的顺序减小，而固体Al_2O_3，ZrO_2和MgO的粒径随保持时间而变窄。粗化率还受到尺寸分布曲线的扩展的影响，这是Al_2O_3颗粒的粗化率大于根据溶解氧含量预测的粗化率的原因。

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