Processing math: 100%

Cr含量对FeCrCoSi永磁合金调幅分解组织及其性能的影响
项兆龙, 张林, XIN Yan, 安佰灵, NIU Rongmei, LU Jun, MARDANI Masoud, HAN Ke, 王恩刚

Effect of Cr Content on Microstructure of Spinodal Decomposition and Properties in FeCrCoSi Permanent Magnet Alloy
XIANG Zhaolong, ZHANG Lin, XIN Yan, AN Bailing, NIU Rongmei, LU Jun, MARDANI Masoud, HAN Ke, WANG Engang
表2 不同Cr含量试样经分级回火后的磁性能及α 1相的尺寸和体积分数、α 1α 2相的成分以及2相之间Fe、Cr、Co和Si的成分差的绝对值之和
Table 2 Parameters of magnetic properties, sizes and volume fractions of α 1 phase, compositions of α 1 and α 2 phases, and total values of absolute composition difference of Fe, Cr, Co, and Si between α 1 and α 2 phases of step-aged FeCrCoSi samples with different contents of Cr

Sample

Dα1

nm

Magnetic property Mass fraction / % Vα1

Br

T

H

kA·m-1

BH max

kJ·m-3

Cα1 Cα2 ΔC t %
20Cr-SA 26 ± 4.1 0.61 10.2 1.67 69.3Fe12.9Cr16.9Co0.9Si 49.6Fe36.5Cr12.0Co1.9Si 49.2 54
25Cr-SA 30 ± 6.0 0.84 41.7 13.69 67.2Fe11.8Cr20.3Co0.7Si 38.5Fe51.9Cr8.1Co1.5Si 81.8 60
30Cr-SA 33 ± 5.7 0.64 35.3 6.92 60.1Fe16.4Cr22.9Co0.6Si 33.6Fe56.2Cr8.1Co2.1Si 82.6 62
35Cr-SA 55 ± 8.9 0.30 14.5 1.11 57.4Fe19.1Cr23.2Co0.3Si 31.3Fe60.7Cr6.8Co1.2Si 85.0 61