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Product Detail

PermalloyNi80Mo5 Magnetic Alloy

Detail

PermalloyNi80Mo5 Magnetic Alloy

Introduction
Permalloy magnetic alloy is of Fi-Ni alloy with awide range of nickel contents from 35% to 90%. The biggest characteristic ofthis permalloy is the high magnetic permeability of weak magnetic field. Andthe saturation induction density is generally within 0.6-1.0T.

Type of supply

Style

Size

Wire

D=   0.1~8mm


Strip

W=   8~390mm

T=   0.3mm


Foil

W=   10~100mm

T=   0.01~0.1mm


Rod

Dia=   8~100mm

L=   50~1000mm


Application
Permalloy is mainly used in high magneticconductivity yoke iron, sensitive relay, low loss micromotor, low powertransformer, pulse transformer, transistor switch, magnetic amplifier, magneticmodulator, sensitive signal input and output transformer, magnetic sensor ofaviation magnetic heading instrument, magnetic sensitive element of magneticmeasuring instrument, stator and moving plate of precision electric meter,magnetic shielding and magnetic temperature compensating elements.

Chemicalcomposition (%)

Ni

79.0~81.0

Fe

Bal.

Mn

0.3~0.6

Si

0.15~0.3

Mo

4.8~5.2

Cu

≤0.2





C

≤0.03

P

≤0.02

S

≤0.02



Mechanicalproperty

Yield strength

Tensile   Strength

Elongation

Mpa

Mpa

%

980

1030

3~50

Physical property

Density (g/cm3)

8.75

Resistivity   under 20℃(Ωmm2/m)

0.56

Linear   expansion coefficient (20℃-200℃) X10-6/℃

10.9~11.2

Saturation   magnetostrictive coefficient, λθ/ 10-6

0,5

Curie   point, Tc/ ℃

400

Magnetic property

1J85

Initial   magnetic permeability

Max.magnetic   permeability

Coercive   force

Saturation   induction intensity

Cold   rolled strip/sheet material thickness, mm

μ0.08/   (mH/m)

μm/   (mH/m)

Hc/   (A/m)

BS/   T



0.01   mm

20

87.5

4.8

0.75


0.1~0.19   mm

37.5

187.5

1.6


0.2~0.34   mm

50

225

1.2


0.35~1.0   mm

62.5

312.5

0.8


1.1~2.5   mm

50

187.5

1.2


2.6~3.0   mm

43.8

150

1.44


Hard   drawn wire



0.1   mm

8.7

37.6

6.4


Bar



8-100   mm

37.5

125

1.6


Heat treatmentprocess

Annealing medium

Dry   hydrogen ( dew point is no more than -40℃) or vacuum, and the residual   pressure is no more than 0.1Pa

Heating   temperature and speed

1100~1200℃

Heat   preservation (h)

3~6

Cooling   speed

Be   cooled to 600℃ at a speed of 100 ~ 200 ℃/ h, then be cooled to 300℃ at a   speed of on less than 400℃/h, discharging from the furnace.


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