鐵鎳軟磁合金(GB/T198-1988)
1)牌號和化學成分見表1。
表1鐵鎳軟磁合金的牌號和化學成分
| 類別 | 牌號 | 化學成分(質量分數)(%) | ||||||||||
| C≤ | P≤ | S≤ | Mn | Si | Ni | Cr | Co | Mo | Cu | Fe | ||
| 高磁導率較高飽和磁感應強度軟磁合金 | 1J46 | 0.03 | O.020 | 0.02 | 0.60~1.1 | O.15~0.3 | 45.O~46.5 | - | - | - | ≤O.20 | 余量 |
| 1J50 | O.30~0.6 | O.15~0.3 | 49.0~50.5 | - | - | - | ≤O.20 | |||||
| 1J54 | 0.60~1.1 | O.15~0.4 | 49.5~51.O | 3.80~4.2 | - | - | ≤O.20 | |||||
| 高初磁導率軟磁合金 | 1J76 | 0.30~O.60 | O.15~0.3 | 75.O~76.5 | 1.80~2.2 | - | - | 4.80~5.2 | ||||
| 1J77 | 0.30~O.60 | O.15~0.3 | 75.0~78 | - | - | 3.9~4.5 | 4.80~6 | |||||
| 1J79 | 0.60~1.1 | 0.30~O.50 | 78.5~80.O | - | - | 3.80~4.10 | ≤O.20 | |||||
| 1J80 | 0.60~1.1 | 1.10~1.5 | 79.O~81.O | 2.6~3.0 | - | - | ≤0.20 | |||||
| 1J85 | 0.03 | O.020 | 0.02 | 0.30~0.60 | O.15~0.3 | 79.0~81.0 | - | - | 4.80~5.20 | ≤O.20 | ||
| 1J86 | ≤1.00 | ≤O.30 | 80.5~81.5 | - | - | 5.80~6.2 | - | |||||
| 矩磁合金 | 1J34 | 0.30~O.60 | 0.15~O.30 | 33.5~35.O | - | 28.5~30 | 2.80~3.2 | ≤O.20 | ||||
| 1J51 | - | - | 49.O~50.5 | - | - | - | ||||||
| 1J52 | - | - | 49.O~50.5 | - | - | 1.80~2.2 | ||||||
| 1J65 | - | - | 64.5~66.O | - | - | - | ||||||
| 1J67 | - | - | 64.5~66.O | - | - | 1.80~2.2 | ||||||
| 1J83 | - | - | 78.5~79.5 | - | 2.80~3.2 | 2.80~3.2 | ||||||
| 1J403 | - | - | 39.0~41.O | 24.5~25.5 | 3.80~4.2 | - | ||||||
(2)力學性能見表2。
表2鐵鎳軟磁合金的力學性能
| 牌號 | 電阻率/(μΩ?m ) | 密度/(g/cm3) | 居里點/℃ | 飽和磁致伸縮系數(×10-2) | 布氏硬度HBS | 抗拉強度/MPa | 屈服強度/MPa | 伸長率(%) | ||||
| 冷硬態 | 軟態 | 冷硬態 | 軟態 | 冷硬態 | 軟態 | 冷硬態 | 軟態 | |||||
| 1J46 | 0.45 | 8.2 | 400 | 25 | 170 | 130 | 735 | - | 735 | - | 3 | - |
| 1J50 | 0.45 | 8.2 | 500 | 25 | 170 | 130 | 785 | 450 | 685 | 150 | 3 | 37 |
| 1J54 | 0.9 | 8.2 | 360 | - | 190 | 125 | 885 | 500 | 835 | 150 | 2 | 40 |
| 1J403 | 0.55 | 8.55 | 600 | - | - | - | - | - | - | - | - | - |
| 1J76 | O.55 | 8.6 | 400 | 2.4 | - | - | - | - | - | - | - | - |
| 1J177 | 0.55 | 8.6 | 350 | - | - | - | 980 | 540 | - | - | 2 | 40 |
| 1J79 | O.55 | 8.6 | 450 | 2 | 210 | 120 | 1030 | 560 | 980 | 150 | 3 | 50 |
| 1J80 | O.62 | 8.5 | 330 | 0.5 | 240 | 130 | 930 | 560 | 885 | 150 | 4 | 40 |
| 1J85 | 0.56 | 8.75 | 400 | O.5 | - | - | - | - | - | - | - | - |
| 1J86 | O.60 | 8.85 | - | - | - | - | - | - | - | - | - | - |
| 1J34 | 0.5 | 8.7 | - | - | - | - | - | 540 | - | - | - | 42 |
| 1J51 | 0.45 | 8.2 | 500 | - | - | - | - | 450 | - | - | - | 37 |
| 1J52 | - | 8.2 | - | - | - | - | - | - | - | - | - | - |
| 1J65 | 0.25 | 8.35 | 600 | - | - | - | - | 540 | - | - | - | 43 |
| 1J67 | O.45 | 8.48 | 530 | - | - | - | 930 | 540 | - | - | 3 | 50 |
| 1J83 | O.50 | 8.6 | 460 | - | - | - | 1030 | 490 | - | - | 3 | 50 |
(3)物理性能見表3、表4。
表3鐵鎳軟磁合金的平均線脹系數
| 牌號 | 在下列溫度范圍內的線脹系數/(×10-6/K) | ||||||||
20~ 100℃ | 20~ 200℃ | 20~ 300℃ | 20~ 400℃ | 20~ 500℃ | 20~ 600℃ | 20~ 700℃ | 20~ 800℃ | 20~ 900℃ | |
| 1J50 | 8.9 | 9.27 | 9.2 | 9.2 | 9.4 | - | - | - | - |
| 1J79 | 10.3~1O-8 | 10.9~11.2 | 11.4~12.9 | 11.9~12.5 | 12.3~13.2 | 12.7~13.4 | 13.1~13.6 | 13.4~13.6 | 13.2~13.7 |
| 1J80 | 12.8~13.O | 12.5~12.7 | 13.1~13.4 | 13.4~13.8 | 13.9~14.4 | 14.2~14.8 | 14.5~15.2 | 15.0~15.6 | 15.5~15.6 |
表4矩磁合金的磁性能
| 牌號 | 級別 | 厚度/mm | 在0.8A/m磁場強度中的磁導率μ0. 8≥ | 最大磁導率μm≥ | 方形系數Br/Bm≤ | 矯頑力(在飽和磁感應強度下)Hc≤ | 鐵損/(W/kg) | 飽和磁感應強度Bs | - | |
P1/400 ≤ | P1/300 ≤ | - | ||||||||
| mH/m | mH/m | A/m | T | - | ||||||
| 1J3 | - | O.005~0.01 0.02~O.04. O 05~O.09 O.10~O.20 | 62.5 75 112.5 137.5 | O.90 O.90 0 90 O.87 | 20 16 9.6 8 | 1.5 | - | |||
1J51 | 1 | 0.005 O.01 0.02~9.09 O.10 | 19 25 50 50 | 0.80 0.83 0.85 0.85 | 40 32 20 18 | - | ||||
| Ⅱ | 0.01 0.02~O.04. O.05~0 09 0.10 | 44 75 75 75 | O.87 0.92 O.92 0.90 | 20 15 15 15 | 4.O 4.5 5.O | - | ||||
| Ⅲ | O.10 O.02~0.04. O 05 | 75 | O .91 O.94 O 94 | 15 13 11 | 1.52 | - | ||||
| 95 | - | |||||||||
| 100 | - | |||||||||
| 1J52 | - | 0.20~O.04 0.05~0.10 | 62.5 87.5 | O.90 O.90 | 20 16 | 1.40 1.60 | - | |||
1J65 | - | O.005~0.01 O.02~O.04 0.05~O.09 O.10~0.50 | 100 125 187.5 275 | O.90 | 8.0 6.4 4.8 3.2 | 1.30 | - | |||
| 1J67 | O.02~0.04 O.05~0.09 O.10~O.19 0.20~0.50 | 200 250 312.5 437.5 | O.90 | 6.4 | 1.20 | - | ||||
| 4.8 | - | |||||||||
| 4.0 | - | |||||||||
| 3.2 | - | |||||||||
1J83 | - | 0.005~O.O1 0.02~0.04 O.05~0.09 0.1 | 5 8.8 8.8 20 | 62.5 125 187.5 225 | 0.80 | 5.6 4.0 2.4 1.6 | - | - | 0.82 | - |
| 1J403 | Ι | O.02 O.05 | - | 500 625 | O.97 | 2.2 2.4 | 3.O~4.5 3.5~4.5 | 35~65 35~65 | 1.38 | - |
| Ⅱ | O.02 0.05 0.10 | - | 375 500 625 | 0.95 | 4.0 3.2 2.4 | 3.0 3.5 2.5 | 35 40 30 | 1.38 | - | |
注:1.飽和磁感應強度Bs:對1J34、1J51、1J52和1J403、是在2000~2400A/m外磁場下測量;對1J65、1J67、1J83合金是在800A/m外磁場下測量。
2.鐵損P1/400,P1/3oo分別表示頻率為400Hz,3000Hz磁感應強度峰值為1T時鐵損。
3.方形系數Br/Bm的Bm系外磁場強度為80A/m時的磁感應強度。
4.1J403合金1級產品的鐵損應在-40°C、20°C和100°C溫度下測定。
(4)用途用于在弱磁場下具有高磁導率和低矯頑力的鐵鎳基軟磁合金。
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