For a motor design, you need to design a solenoid coil that produces a magnetic flux density  (B) of at least 2000 gauss when a 10 mA current flows through the conductor. Due to space  limitations, the coil only can be 10 turns over a 1 cm length. To obtain the needed performance, go to Table 3 and choose a core material for the coil.

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For a motor design, you need to design a solenoid coil that produces a magnetic flux density  (B) of at least 2000 gauss when a 10 mA current flows through the conductor. Due to space  limitations, the coil only can be 10 turns over a 1 cm length. To obtain the needed performance, go to Table 3 and choose a core material for the coil.

Table 3: Properties of selected soft magnetic materials
Permeability 4,
Name
Composition
Initial Maximum
Ingot Iron
99.8% Fe
150
5000
99.5% Fe
Fe-3% Si
200
270
Low-carbon steel
4000
Silicon iron, unoriented
8000
Silicon iron,
Fe-3% Si
1400
50,000
grain-oriented
4750 alloy
4-79 permalloy
Superalloy
2V-Permendur
Fe-48% NI
11,000
80,000
Fe-4% Mo-79% NI 40,000 200,000
Fe-5% Mo-80% Ni 80,000 450,000
Fe-2% V-49% Co
800 450,000
Supermendur
Fe-2% V-49% Co
100,000
Metglas 2650SC
Metglas 2650S-2
MnZn Ferrite
MnZn Ferrite
NiZn Ferrite
Feg BjasSasC2
BezB1S9
H5C2b
H5E
300,000
600,000
10,000
18,000
290
Transcribed Image Text:Table 3: Properties of selected soft magnetic materials Permeability 4, Name Composition Initial Maximum Ingot Iron 99.8% Fe 150 5000 99.5% Fe Fe-3% Si 200 270 Low-carbon steel 4000 Silicon iron, unoriented 8000 Silicon iron, Fe-3% Si 1400 50,000 grain-oriented 4750 alloy 4-79 permalloy Superalloy 2V-Permendur Fe-48% NI 11,000 80,000 Fe-4% Mo-79% NI 40,000 200,000 Fe-5% Mo-80% Ni 80,000 450,000 Fe-2% V-49% Co 800 450,000 Supermendur Fe-2% V-49% Co 100,000 Metglas 2650SC Metglas 2650S-2 MnZn Ferrite MnZn Ferrite NiZn Ferrite Feg BjasSasC2 BezB1S9 H5C2b H5E 300,000 600,000 10,000 18,000 290
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