SmCo Magnet 1:5 and 2:17

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  • SmCo Magnet 1:5 and 2:17

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SmCo magnet are widely used in aerospace, high temperature resistant motor, microwave equipment, communications, medical equipment, instruments and meters, various magnetic transmission equipment, sensors, magnetic processors, voice coil motors and so on.
Material No Br Hcb Hcj (BH)max TC TW (Br) Hcj
T | KGs KA/m KOe KA/m KOe KJ/m3 MGOe %℃ %℃
1:5 SmCo5 (Smpr)Co5 YX-16 0.81-0.85 8.1-8.5 620-660 7.8-8.3 1194-1830 15-23 110-127 14-16 750 250 -0.050 -0.30
YX-18 0.85-0.90 8.5-9.0 660-700 8.3-88 1194-1830 15-23 127-143 16-18 750 250 -0.050 -0.30
YX-20 0.90-0.d4 9.0-9.4 676-725 8.5-9.1 1194-1830 15-23 150-167 19-21 750 250 -0.050 -0.30
YX-22 0.92-0.96 9.2-9.6 710-748 8.9-94 1194-1830 15-23 160-175 20-22 750 250 -0.050 -0.30
YX-24 0.96-1.00 9.6-10.0 730-770 9.2-9.7 1194-1830 15-23 175-190 22-24 750 250 -0.050 -0.30
1:5 SmCo5 YX-16S 0.79-0.84 7.9-8.4 612-660 7.7-83 ≥ 1830 ≥ 23 118-135 15-17 750 250 -0.035 -0.28
YX-18S 0.84-0.89 8.4-89 644-692 8.1-8.7 ≥ 1830 ≥ 23 135-151 17-19 750 250 -0.040 -0.28
YX-20S 0.89-0.93 8.9-9.3 684-732 8.6-92 ≥ 1830 ≥ 23 150-167 19-21 750 250 -0.045 -0.28
YX-22S 0.92-0.96 9.2-9.6 710-756 8.9-95 ≥  1830 ≥ 23 167-183 21-23 750 250 -0.045 -0.28
YX-24S 0.96-1.00 9.6-10.0 740-788 9.3-9.9 ≥ 1830 ≥ 23 183-199 23-25 750 250 -0.045 -0.28
1:5 (SmGd)Co5 LTc(YX-10) 0.62-0.66 62-6.6 485-517 6.1-6.5 ≥ 1830 ≥ 23 75-8A 9.5-11 750 300 20-100℃ +0.0156%℃ 100-200℃ +0.0087%℃ 200-300℃ +0.0007%℃
Ce(CoFeCu)5 YX-12 0.7Q-0.74 7.0-7.4 358-390 4.5-4.9 358-478 4.5-6 80-103 10-13 450 200
Sm2 (CoFeCuZr)17 YXG-24H 0.95-1.02 9.5-10.2 692-764 8.7-9.6 ≥ 1990 ≥ 25 175-191 22-24 800 350 -0.025 -0.20
YXG-26H 1.02-1.05 10.2-10.5 748-796 9.4-10.0 ≥ 1990 ≥ 25 191-207 24-26 800 350 -0.030 -0.20
YXG-28H 1.03-1.08 10.3-10.8 756-812 9.5-10.2 ≥ 1990 ≥ 25 207-220 26-28 800 350 -0.035 -0.20
YXG-30H 1.08-1.10 10.8-11.0 788-835 9.9-10.5 ≥ 1990 ≥ 25 220-240 28-30 800 350 -0.035 -0.20
YXG-32H 1.10-1.13 11.0-11.3 812-860 10.2-10.8 ≥ 1990 ≥ 25 230-255 29-32 800 350 -0.035 -0.20
YXG-22 0.93-0.97 9.3-97 676-740 8.5-93 ≥ 1453 ≥ 18 160-183 20-23 800 300 -0.020 -0.20
YXG-24 0.95-1.02 9.5-10.2 692-764 87-9.6 ≥ 1433 ≥ 18 175-191 22-24 800 300 -0.025 -0.20
YXG-26 1.02-1.05 10.2-10.5 748-796 9.4-10.0 ≥  1433 ≥ 18 191-207 24-26 800 300 -0.030 -0.20
YXG-28 1.03-1.08 10.3-10.8 756-812 9.5-10.2 ≥ 1433 ≥  18 207-220 26-28 800 300 -0.035 -0.20
YXG-30 1.08-1.10 10.8-11.0 788-835 9.9-10.5 ≥ 1453 ≥ 18 220-240 28-30 800 300 -0.035 -0.20
YXG-32 1.10-1.13 11.0-11.3 812-860 10.2-10.8 ≥ 1433 ≥ 18 230-255 29-32 800 300 -0.035 -0.20
YXG-26M 1.02-1.05 10.2-10.5 676-780 8.5-9.8 955-1433 12-18 191-207 24-26 800 300 -0.035 -0.20
YXG-28M 1.03-1.08 10.3-10.8 676-796 8.5-10.0 955-1433 12-18 207-220 26-28 800 300 -0.035 -0.20
YXG-30M 1.08-1.10 10.8-11.0 676-835 8.5-10.5 955-1433 12-18 220-240 28-30 800 300 -0.035 -0.20
YXG-32M 1.10-1.13 11.0-11.3 676-852 8.5-10.7 955-1433 12-18 230-255 29-32 800 300 -0.035 -0.20
YXG-24L 0.95-1.02 9.5-10.2 541-716 6.8-9.0 636-955 8-12 175-191 22-24 800 250 -0.025 -0.20
YXG-26L 1.02-1.05 10.2-10.5 541-748 6.8-9.4 636-955 8-12 191-207 24-26 800 250 -0.035 -0.20
YXG-28L 1.03-1.08 10.3-10.8 541-764 6.8-9.6 636-955 8-12 207-220 26-28 800 250 -0.035 -0.20
YXG-30L 1.08-1.15 10.8-11.5 541-796 6.8-10.0 636-955 8-12 220-240 28-30 800 250 -0.035 -0.20
YXG-32L 1.10-1.15 11.0-11.5 541-812 6.8-10.2 636-955 8-12 230-255 29-32 800 250 -0.035 -0.20
(SmEr)2(CoTM)17 LTC (YXG-22) 0.94-0,98 9.4-9.8 668-716 8.4-9.0 ≥1433 ≥18 167-183 21-23 840 300 -50-25℃ +0.005%℃ 20-100℃ -0.008%℃ 100-200℃ -0.008%℃ 200-300℃ -0.011%℃
Physical properties of Samarium Cobalt
Parameter SmCo 1:5 SmCo 2:17
Curie temperature(℃) 750 800
Maximum operating  temperature(℃ 250 300
Hv(MPa) 450-500 550-600
Density(g/cm³) 8.3 8.4
Temperature coefficient of Br(%/℃) -0.05 -0.035
Temperature coefficient of iHc(%/℃) -0.3 -0.2
Tensile strength(N/mm) 400 350
Transverse breaking strength(N/mm) 150-180 130-150
Besides, SmCo magnets have other features: Reliable performance: SmCo magnets are extremely resistant to demagnetization making them reliable in many environments. Corrosion and oxidation resistance: Due to the low iron content in the composite material, SmCo magnets have excellent corrosion resistance. Unlike NdFeB, SmCo magnets does not need electroplating. Temperature stability: SmCo can keep its magnetic force at high temperatures (249-300℃) and very low temperatures (-232℃). Brittle materials: When in sintering, the material may be brittle, due to it’s brittle and easy to crack , the processing has limitations, which the traditional processing methods is not workable. However, it can be ground, but only if large amount of coolant are used. That’s because the coolant can minimize the risk of fire from thermal cracking and oxidized grinding dust. Applications: 1. High-end PM motors. The general PM motors usually use ferrite magnets or NdFeB magnets. But in places where the temperature exceeds 200℃ or the stall torque is large, only SmCo PM motors are competent. 2. Electroacoustic devices in high-end loudspeaker systems. 3. Highly reliable instrument system. Many instruments used in aerospace, aviation, medical and other fields must use SmCo permanent magnets to ensure high reliability and perfect safety. 4. In extremely important radar and communication systems, a large number of traveling wave tubes, magnetrons, chasing tubes, chasing wave tubes, gyrotrons and other electric vacuum devices are used, and SmCo magnets make electron beams along the moving along a prescribed path. 5. SmCo magnetic extractors in deep wells below 3000 meters, and SmCo magnetic drive (pump) in high temperature environment of 200 ℃. 6. Magnetic suction head, magnetic separator, magnetic bearing, NMR, etc.

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SmCo Magnet 1:5 and 2:17

SmCo Magnet 1:5 and 2:17

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