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A Study on the Sintering of a Mixed Powder Containing Alumina and Aluminum for Control of Volume Shrinkage during Sintering
Journal of Materials Engineering and Performance ( IF 2.3 ) Pub Date : 2020-09-01 , DOI: 10.1007/s11665-020-05078-0
Ken’ichiro Kita , Naoki Kondo , Mikinori Hotta

We studied the sintering of mixed powders in which either alumina or aluminum was coated with polysiloxane derived from aqueous slurry in order to avoid using organic solvent and to confirm the change of sintering process by coating only one of the powders. We found that similar characteristics of porous alumina can be obtained by sintering the mixed powder derived from an aqueous slurry and the mixed powder derived from an ethanol slurry. Coating the alumina powder with polysiloxane prevented the volume expansion of samples during sintering, thus increasing the density of the porous alumina and wettability between alumina and aluminum.



中文翻译:

铝和铝混合粉末烧结过程中体积收缩控制的研究

我们研究了混合粉末的烧结过程,其中氧化铝或铝被水性浆料衍生的聚硅氧烷涂覆,以避免使用有机溶剂,并通过仅涂覆一种粉末来确认烧结过程的变化。我们发现,通过烧结衍生自水性浆料的混合粉末和衍生自乙醇浆料的混合粉末,可以获得相似的多孔氧化铝特性。用聚硅氧烷涂覆氧化铝粉末可防止样品在烧结过程中体积膨胀,从而增加了多孔氧化铝的密度以及氧化铝与铝之间的润湿性。

更新日期:2020-09-02
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