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Purpose and scope of ndfeb magnet

by:Newland     2020-04-21
Ndfeb magnet is easy to rust, oxidation, so ndfeb magnets must surface coating processing. Nickel plating ( Ni) And zinc ( 锌) , gold ( Au) Chromium, ( Cr) , epoxy resin ( 环氧树脂) And so on. Ndfeb magnet is widely used in aerospace, electronics, electrical, instrumentation, medical and other fields. And non-technical areas is becoming more and more widely used. Summary of other physical properties: Br - temperature coefficient 0. 11%/° 7 C, density. 4 g/cm3, Webster's temperature 600 hv, stretching temperature 8. 0 kg/was, the specific heat of 0. 12kCak( 公斤° C) 1, elastic modulus. 6 x1011n/m2, transverse deformation coefficient of 0. 24, 310 - Curie temperature 340° C, resistivity 144 & Omega; 。 Cm, 25 kg/was flexural strength, thermal expansion coefficient of 4 x10 - 6/° 7 C, coefficient of thermal conductivity. 7卡路里/ m。 h。 ° C, stiffness of 0. 64 n/m2, compression rate is 9. 8 x10 - 12 m2 / N, iHc - temperature coefficient 0. 60%/° C。 www。 yirongciye。 com
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