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Iron-nickel soft magnetic alloy 1J50
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Introduction
1J50 is one of soft magnetic alloys. Soft magnetic alloy is easy to magnetize under the action of an external magnetic field, and the magnetic induction intensity basically disappears after the magnetic field is removed. Soft magnetic alloys are divided into low-carbon electrical steel and Amco iron, silicon steel sheet, nickel-iron soft magnetic alloy, iron-cobalt soft magnetic alloy, iron-silicon-aluminum soft magnetic alloy, etc. In the electronics industry, alloys with low magnetic permeability and low coercivity are mainly used in low to medium magnetic fields. At high frequencies, thin strips or alloys with higher resistivity must be used. One strand is made of sheet or strip.
chemical composition
Brand Chemical composition (mass fraction)% 1J50 C P S Mn Si Ni Cr Co Mo Cu Fe ≤ 0.03 ≤ 0.02 ≤ 0.02 0.3-0.6 0.15-0.30 49-50.5 - - - 0.20 Allowance Mechanical properties
Resistivity μΩ · m Density g/cm3 Curie point ℃ saturation magnetostriction coefficient Brinell hardness HBS Tensile strength MPa Yield strength MPa Elongation% 0.45 8.2 500 25 cold hard state soft state cold hard state soft state cold hard state soft state cold hard state soft state 170 130 170 130 170 130 170 130 average coefficient of expansion
Coefficient of linear expansion in the following temperature range/(x10-6/℃) 20-100 ℃ 20-200 ℃ 20-300 ℃ 20-400 ℃ 20-500 ℃ 20-600 ℃ 20-700 ℃ 20-800 ℃ 20-900 ℃ 8.9 9.27 9.2 9.2 9.4 Application areas
Various transformers, relays, electromagnetic clutches, chokes and magnetic circuit parts used in medium magnetic fields, iron cores, pole shoes, earphone diaphragms, relay parts for ground leakage short circuits, gas safety valves, magnetics, gyroscopes, Automatic synchronous motors, electronic watch micro motors, etc.
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Iron-nickel soft magnetic alloy 1J50
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