鐵氧體是應用最廣泛的的一種永磁材料,以粉末冶金法制造,主要分為鋇料(Ba)和鍶料(Sr)兩種,并分為各向異性和各向同性兩類,是不易退磁不易腐蝕的一種永磁材料,最高工作溫度可達250攝氏度,較堅硬且脆,可用金剛石沙等工具切割加工,用合金剛加工之模具一次成型。此類產品大量應用于永磁電機(Motor)和揚聲器(Speaker)等領域。
燒結鐵氧體磁性能表 | |
國內標準 | |
牌號 剩磁 矯頑力 內稟矯頑力 最大磁能積 BrHcbHcj( BH ) maxmTkGskA/mkOekA/mkOekJ/m3MGOeY10T200-2352.0-2.35125-1601.57-2.01210-2802.64-3.526.5-9.50.8-1.2Y20320-3803.2-3.8135-1901.70-2.38140-1951.76-2.4518.0-22.02.3-2.8Y22H310-3603.1-3.6220-2502.77-3.14280-3203.52-4.0220.0-24.02.5-3.0Y23320-3703.2-3.7170-1902.14-2.38190-2302.39-2.8920.0-25.52.5-3.2Y25360-3803.6-4.0135-1701.70-2.14140-2001.76-2.5122.5-28.02.8-3.5Y26H360-3903.6-3.9220-2502.77-3.14225-2552.83-3.2123.0-28.02.9-3.5Y27H370-4003.7-4.0205-2502.58-3.14210-2552.64-3.2125.0-29.03.1-3.7Y30370-4003.7-4.0175-2102.20-2.64180-2202.26-2.7726.0-30.03.3-3.8Y30BH380-3903.8-3.90223-2352.80-2.95231-2452.90-3.0827.0-30.03.4-3.7Y30-1380-4003.8-4.0230-2752.89-3.46235-2902.95-3.6527.0-32.03.4-4.0Y30H-2395-4153.95-4.15275-3003.46-3.77310-3353.90-4.2128.5-32.53.5-4.0Y32400-4204.0-4.2160-1902.01-2.38165-1952.07-2.4530.0-33.53.8-4.2Y33410-4304.1-4.3220-2502.77-3.14225-2552.83-3.2131.5-35.04.0-4.4Y35400-4104.00-4.10175-1952.20-2.45180-2002.26-2.5130.0-32.03.8-4.0 | |
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美國標準 | |
牌號 剩磁 矯頑力 內稟矯頑力 最大磁能積 BrHcbHcj( BH ) maxmTkGskA/mkOekA/mkOekJ/m3MGOeC12302.31481.862583.58.361.05C53803.81912.41992.5273.4C73403.42583.23318421.92.75C8(=C8A)3853.852352.952423.0527.83.5C8B4204.22322.9132362.9632.84.12C93803.82803.5163204.0126.43.32C1040042883.6172803.5130.43.82C114304.32002.5122042.5634.44.32 | |
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