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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 >Fast consolidation of a nanocrystalline Al_2O_3 reinforced 3.7Fe_(0.54)Cr_(0.18)8Al_(0.26)Si_(0.016) composite from mechanical synthesized powder through pulsed current activated heating
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Fast consolidation of a nanocrystalline Al_2O_3 reinforced 3.7Fe_(0.54)Cr_(0.18)8Al_(0.26)Si_(0.016) composite from mechanical synthesized powder through pulsed current activated heating

机译:机械合成粉末通过脉冲电流活化加热快速固结纳米晶Al_2O_3增强的3.7Fe_(0.54)Cr_(0.18)8Al_(0.26)Si_(0.016)复合材料

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摘要

Nanopowders of Fe_(0.54)Cr_(0.18)Al_(0.26)Si_(0.016)and Al_2O_3 were synthesized from Fe_2O_3, Cr, Si, and Al powders using high-energy ball milling. A high-density nanocrystalline 3.7Fe_(0.54)Cr_(0.18)8Al_(0.26)Si_(0.016)-Al_2O_3 composite was consolidated with mechanically synthesized powders of Al_2O_3 and 3.7Fe_(0.54)Cr_(0.18)8Al_(0.26)Si_(0.016)-Al_2O_3 through a pulsed current activated sintering (PCAS) method within 1 min. The hardness of the composite and the average grain sizes of Al_2O_3 and Fe_(0.54)Cr_(0.18)Al_(0.26)Si_(0.016) were investigated.
机译:利用高能球磨法,由Fe_2O_3,Cr,Si和Al粉末合成了Fe_(0.54)Cr_(0.18)Al_(0.26)Si_(0.016)和Al_2O_3的纳米粉。将高密度纳米晶3.7Fe_(0.54)Cr_(0.18)8Al_(0.26)Si_(0.016)-Al_2O_3复合材料与机械合成的Al_2O_3和3.7Fe_(0.54)Cr_(0.18)8Al_(0.26)Si_(0.016)的粉末固结在一起1分钟内通过脉冲电流激活烧结(PCAS)方法获得)-Al_2O_3。研究了复合材料的硬度以及Al_2O_3和Fe_(0.54)Cr_(0.18)Al_(0.26)Si_(0.016)的平均晶粒尺寸。

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