微波铁氧体材料的晶粒细化

Fining Grain of Microwave Ferrite Materials

给出了砂磨和热压 YIG的实验结果以及快速烧结和热等静压 YGd IGs的实验结果 ,并进行了分析讨论。获得了晶粒尺寸为 2μm的 YIG热压材料 ,其ΔHk为 0 .7～ 0 .4k A/m,ΔH为 2 .8～ 3.9k A/m。

The experiments and results of attritor and heat press on YIG and of flashing sinter and heat isostatic press on YGdIGs are given and discussed. The YIG specimens with grain size 2 μm were prepared. Their typical property is  Δ H k =0.7～0.4kA/m, Δ H=2.8～ 3.9 kA/m.