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    题名 作者 年代 出处 被引量
1铁铝尖晶石合成的热力学分析与制备方法比较显示文摘研究分析了合成铁铝尖晶石的热历程及其热力学特征,并以Al2O3粉、Fe2O3粉/高铁铝土矿为原料,以石墨/葡萄糖为还原剂,分别采用烧结法和熔盐法合成了铁铝尖晶石,利用XRD、SEM及光学显微镜对样品进行了表征。结果表明:在氮气气氛下以Al2O3粉和Fe2O3粉为原料采用烧结法合成的铁铝尖晶石结晶良好,采用熔盐法可以显著降低铁铝尖晶石的合成温度,为铁铝尖晶石的工业生产提供了一种较为温和的方法;采用高铁铝土矿为原料,通过氮气气氛下的烧结法可以较为廉价地合成铁铝尖晶石。朱玉婷 田真 高峰 2015太原理工大学学报2015,46,6:2
2Combustion Synthesized Porous Body of Fe_3O_4/Al System by Controlled Microwave Heating and Heating Behavior of the Products显示文摘Microwave-induced substitutional combustion reaction was utilized to fabricate porous ceramic composite from Fe_3O_4/Al powder mixtures.The porous composite body was obtained by controlling the combustion reaction progress in a 2.45 GHz single mode applicator.Prior to the fabrication of the porous body,heating behavior of the powder mixtures were studied in the separated electric(E)and magnetic(H)fields.In addition,heating ability of the microwave fabricated porous product was also investigated.Fe_3O_4powder can be heated up easily in both maximum H and E field,but a better heating was observed in the maximum H field.Regardless of the mixtures ratio(mixing compositions),maximum H field shows better heating characteristics.In E-field heating,temperature of the Fe_3O_4 samples decreased sharply when Al powder was added.However,the same phenomenon was not observed in the maximum H field heating.Thus,fabrication of the porous composite body was carrying out in maximum H field.Through an adequate control of the reaction progress,products with a porous structure consisting of well-distributed metal particles in the alumina and/or hercynite matrix were obtained.Consequently,heating of the fabricated porous composite body was also been successfully carried out in the maximum H field.Product phases and microstructure were the main factors influencing the heating ability of the porous composite body.LEE Chang Chuan YOSHIKAWA Noboru TANIGUCHI Shoji 2012Journal of Iron and Steel Research(International)2012,19,S2:0
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