矫顽力
Hcb
Y30HJ
Y30H-1
Y33HJ
烧结铁氧体的物理性能
参数Parameters
符号Mark
单位Unit
数值 Values
备注Remark
回复磁导率Recoil Permeability
rec
Gs/Oe
1.05-1.3
居里温度Curie Temperature
Tc
℃
≥450
磁感应温度系数Temp. Coefficient of Magnetic Induction
A(Br)
℃-1
-0.2%
内禀矫顽力系数Temp. Coefficient of Inturensic Coerrice Induction
A(Hcj)
-0.2-0.5%
密度Density
d
G/cm3
4.6-5.0
电阻率Specific Resistance
Ω.cm
≥106
热膨胀系数Coefficient of Thermal Expansion
A
7-15X10-6
硬度Hardness
HV
--
480-580
方块
带孔方块
圆片/圆柱
圆环
磁瓦
152
43.4
152.4
42.5
40
150
36
115
34
101.6
30
102
100
31.5
31
28
75
28.5
90
26
85
24
80
25
78
76
23.4
67.8
22
65
21.3
60
54
50
48
47.6
20