KS C IEC 61807-2002 Magnetic properties of magnetically hard materials at elevated temperatures－Methods of measurement《硬磁性材料在高温时的磁性 测量方法》.pdf

1、 KS C IEC 61807KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS C IEC 61807 : 2002(2012 ) 2002 11 30 http:/www.kats.go.krC IEC 61807： 2002 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2002 11 30 ：2012 12 31 2012-0857 ： ： ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . ICS 17.220.99； 29.030 KS C IEC 6180

2、7： 2002(2012 )Magnetic properties of magnetically hard materials at elevated temperatures Methods of measurement 1. . ( ) IEC 60404 1 , IEC 60404 8 1 . IEC 60404 5 , IEC 60404 7 . . IEC 60404 8 1 (BH)max), (Br), B (HcB), J (HcJ), (rec) ( ) J . 2. . . KS C IEC 60404 1： 2002, 1： KS C IEC 60404 5： 2002

3、, 5： ( ) KS C IEC 60404 7： 2002, 7： KS C IEC 60404 8 1： 2002, 8 1： IEC 60050(121)： 1998, International Electrotechnical Vocabulary (IEV) Part 121： Electro magnetism IEC 60050(151)： 1978, International Electrotechnical Vocabulary (IEV) Chapter 151： Electrical and magnetic devices IEC 60050(221)： 1990

4、, International Electrotechnical Vocabulary (IEV) Chapter 221： Magnetic materials and components 3. IEC 60050(121), IEC 60050(151), IEC 60050(221) KS C IEC 60404 8 1 . 4. Br(or Jr) (BH)max BH HcB HcJ 40(BH)max/Br2 BH Hk C IEC 61807： 2002 2 0HcB/Br B 0HcJ/Br J rec Br Br HcJ HcJ 5. Alnico Fe Cr Co . 1

5、0 3/K . . . . . , , , Alnico J . . . 6. KS C IEC 60404 5 . . , . , . 1 . A . . J( B) H . . , , . . C IEC 61807： 2002 3 1 . A J H J = B 0H , H . J 2 N2aA1= N2bA2 . J . 2 . 2 H J KS C IEC 60404 7 , B . . . HcJ . 7. 3 Br HcJ 2 , Br HcJ . ( ) ( ) J,H J, H J H J = B oH X YH H J A H J C IEC 61807： 2002 4

6、y = Ax2 + Bx + C 2 . ( =n1i .) S = 2i2ii)(+ CBxAxy , n 3 . 0/;0/;0/ = CSBSAS (),/22xxnxxS= ,/xynyxxyS= ,/23xx2nxxxS= (),/224xx22nxxS= ,/22yx2nyxyxS= , )(/)(2xxxxxxxxxyxxyx22222SSSSSSSA = )(/)(2xxxxxxxxyxxxxy 2222222SSSSSSSB = = nxAnxBnyC /2 y Br( HcJ) x (K) ( ) . , Br HcJ . Br = BBr /CBrBr = ABr /CB

7、r( Br 112 6 1 624 BHmax(kJ/m3) 247 250.6 1.44 211.6 213 0.66 Br(T) 60 1.106 1.111 5 0.49 80 1.019 1.022 0.29 HcB(kA/m) 679.1 690.2 1.61 730.2 727.2 0.41 HcJ(kA/m) 692.8 704.8 1.70 982.2 952.0 3.2 BHmax(kJ/m3) 229.4 231.9 1.08 186.9 186.8 0.05 Br(T) 120 1.03 1.028 7 0.13 120 0.965 0.970 0.52 HcB(kA/m

8、) 358.1 361.4 0.91 565.6 560.5 0.91 HcJ(kA/m) 364.9 363.9 0.27 594.2 579.2 2.6 BHmax(kJ/m3) 186 186.7 0.37 162.7 163.8 0.67 Br(T) 150 0.969 0.978 2 0.94 150 0.921 0.923 0.22 HcB(kA/m) 238.7 240.0 0.54 369.6 352.1 5.0 HcJ(kA/m) 240.1 242.6 1.03 381.6 358.6 6.4 BHmax(kJ/m3) 140.5 141.7 0.85 139.0 137.

9、4 1.2 No. 2P4 ( ) Bosch Lucas (%) ( ) No. 13 Sumitomo No. 2P3 Lucas (%) Br(T) 24 1.100 1.079 5 1.9 20 1.086 1.08 0.56 HcB(kA/m) 792.4 799 793 0.76 HcJ(kA/m) 1 588.4 1 607 1 595 0.75 BHmax(kJ/m3) 213.01 216.5 214 1.2 Br(T) 60 1.067 1.043 1 2.3 60 1.033 1.04 0.7 HcB(kA/m) 754.37 749 752 0.4 HcJ(kA/m)

10、118 2 1 148.7 2.9 1 159 1 136 2.0 BHmax(kJ/m3) 196.41 193.4 195 0.8 Br(T) 125 0.982 0.956 9 2.6 100 0.991 0.99 0 HcB(kA/m) 491.85 680.6 659 3.3 HcJ(kA/m) 554.0 502.59 10.2 777.8 715 8.8 BHmax(kJ/m3) 157.53 175.1 173 1.2 Br(T) 150 0.943 0.911 9 3.4 140 0.940 0.93 1.1 HcB(kA/m) 315.85 451.2 386 17 HcJ

11、(kA/m) 378.0 320.47 18 461.7 389 19 BHmax(kJ/m3) 129.93 151.2 142 6.5 C IEC 61807： 2002 7 B 2 A( T)2 + B( T) + C Br 0HcJ B.1 NdFeB T K Br, T Br, T 0HcJ T 0HcJ, T 20 60 100 140 180 0 40 80 120 160 1.237 1.183 1.128 1.074 1.009 1.236 1.184 1.129 1.071 1.010 2.15 1.68 1.20 0.73 0.38 2.162 1.659 1.192 0

12、.761 0.366 2 ABr = 0.937 5 10 6T/K2A0HcJ = 11.16 10 6T/K2BBr = 1 263 10 6 T/K B0HcJ = 13 011 10 6T/K CBr = 1.236 2 T C0HcJ= 2.161 7 T Br = BBr/CBr = 1 021 10 6/K 0HcJ = B0HcJ/C0HcJ = 6 019 10 6/K Br = ABr/CBr = 0.758 4 10 6/K20HcJ = A0HcJ/C0HcJ = 5.163 10 6/K2B.2 Sr T K Br, T Br, T 0HcJ T 0HcJ, T 60

13、 20 20 60 100 140 80 40 0 40 80 120 0.510 0.475 0.441 0.407 0.372 0.337 0.510 0.476 0.441 0.407 0.372 0.337 0.176 0.225 0.274 0.323 0.372 0.422 0.176 0.225 0.274 0.323 0.372 0.422 2 ABr = 0.044 64 10 6T/K2A0HcJ = 0.055 80 10 6T/K2BBr = 861.110 6T/K B0HcJ = 1226.3 10 6T/K CBr = 0.441 1 T C0HcJ = 0.27

14、3 9 T Br = BBr/CBr = 1 952.1 10 6/K 0HcJ = B0HcJ/C0HcJ = 4 478 10 6/K Br = ABr/CBr = 0.101 2 10 6/K20HcJ = A0HcJ/C0HcJ = 0.203 8 10 6/K2 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ . KS C IEC 61807 : 2002 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Magnetic properties of magnetically hard materials at elevated temperatures Methods of measurement ICS 17.220.99； 29.030 Korean Agency for Technology and Standards http:/www.kats.go.kr