渗氮对SmFeN合金粉末吸波性能的影响

董宇航, 刘春忠, 张洪宁, 卢天倪, 李娜, 黄震威, 马驰野

Impact of Nitriding on Microstructure and Wave-absorbing Properties of SmFeN Alloy Powders

DONG Yuhang, LIU Chunzhong, ZHANG Hongning, LU Tianni, LI Na, HUANG Zhenwei, MA Chiye

表5 不根据Cole-Cole半圆计算的不同渗氮时长的SmFeN粉末的静态介电系数和光频介电系数

Table 5 Static dielectric coefficients and optical frequency dielectric coefficients of SmFeN powders with different nitriding durations calculated without Cole-Cole semicircle

r b εs ε∞ εs-ε∞ Frequency band / GHz 1.55 6.46 8.01 4.91 3.10 10.804~11.7035 S0 1.55 6.86 8.41 5.31 3.10 8.0155~10.3542 1.39 7.75 9.14 6.36 2.78 5.407~6.3065 S2 3.61 6.25 9.86 2.64 7.22 16.29095~16.83065 S3 4.93 8.88 13.81 3.95 9.86 15.7512~16.6507