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Grade: Metallic Glass
Formula: Fe 78/B 13/Si 9 (At.%)
Form: Coil
Material: Iron/Boron/Silicon
Commodity: Glasses
Thickness:
0.025mm
Coil Width:
50mm
Hazard Pictogram:
GHS07
Metallic Glass Iron/Boron/Silicon Coil (Fe78/B 13/Si 9 (Atomic %)) is a foil material within Goodfellow's range of metallic glass products. This amorphous metal alloy exhibits high strength, hardness, and corrosion resistance. Potential applications include use as a soft magnetic material for high efficiency transformers and inductors, as well as for biomedical devices and devices due to its biocompatibility. The unique disordered atomic structure of this metallic glass gives it exceptional mechanical and magnetic properties compared to conventional crystalline alloys.
Health hazard/Hazardous to the ozone layer
Tolerances
Coil
| Thickness | <0.01mm | ±25% |
|---|---|---|
| Thickness | 0.01mm - 0.05mm | ±15% |
| Thickness | >0.05mm | ±10% |
Material Properties for Glasses
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 137 |
Magnetic Properties
| Element | Value |
|---|---|
| Coercivity - as cast( A m⁻¹ ) | 14 |
| Remanence ratio( Br/Bs ) | 0.76 |
| Curie temperature( C ) | 415 |
| Saturation flux density( T ) | 1.56 |
| Saturation magnetostriction( x10⁻⁶ ) | 27 |
Thermal Properties
| Element | Value |
|---|---|
| Crystallisation temperature( C ) | 550 |
| Maximum use temperature in air( C ) | 150 |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 7.18 |
Mechanical Properties
| Element | Value |
|---|---|
| Tensile modulus( GPa ) | 57 |
| Hardness - Vickers( kgf mm⁻² ) | 860 |
| Tensile strength( MPa ) | 700 |
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Ytterbium Foil Formula: Yb
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Waspaloy® Foil Formula: Ni58/Cr19/Co14/Mo/Ti/Al/Fe
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