The specimens with Widmanstatten structure have higher impact strength and lower ductile-brittle transition temperature than those with equiaxial granularferrite structure.
有魏氏组织的试样较呈等轴铁素体的试样有更高的冲击韧性和更低的韧脆转变温度。
2
Based on the model of granular media, the calculating method of permittivity and permeability for compound ferrite absorption materials is studied.
基于颗粒混合媒质的模型，本文讨论了复合铁氧体吸波材料介电常数和磁导率的计算方法。
3
The results show that polygonal ferrite, granular bainite and larger amount of stabilized retained austenite can be obtained after hot rolling.