Goodfellow Nickel/Iron/Silicon/Boron Alloy

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Goodfellow Nickel/Iron/Silicon/Boron Alloy
Categories:	Metal; Nonferrous Metal; Nickel Alloy; Solder/Braze Alloy
Material Notes:	Metallic glass (glassy alloy) or amorphous metal. Uses include soft magnetic applications, brazing, coating and as reinforcing fibers. Information provided by Goodfellow.
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Physical Properties	Metric	English	Comments

Density	7.40 g/cc	0.267 lb/in³

Mechanical Properties	Metric	English	Comments
Vickers Microhardness	800	800	kg(f)/mm²
Tensile Strength at Break	1500 - 2000 MPa	218000 - 290000 psi
Tensile Modulus	150 GPa	21800 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.000135 ohm-cm	0.000135 ohm-cm
Magnetic Coercive Force, H_c	0.0126 Oe	0.0126 Oe
Magnetic Saturation Flux Density, B_max	8000 Gauss	8000 Gauss
Magnetic Remanence, B_r	<= 1.0 Gauss	<= 1.0 Gauss	Remanence Ratio, B_r/B_s
Curie Temperature	260 °C	500 °F

Thermal Properties	Metric	English	Comments
Crystallization Temperature	450 °C	842 °F
Maximum Service Temperature, Air	120 °C	248 °F

Component Elements Properties	Metric	English	Comments
Iron, Fe	40 %	40 %
Molybdenum, Mo	1.0 - 2.0 %	1.0 - 2.0 %
Nickel, Ni	40 %	40 %
Silicon, Si	19 %	19 %	Si + B content = 19 wt%

Descriptive Properties
Saturation magnetostriction (x10^-6)	8

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