Meteorite Iron Kamacite (Fe-7Ni) vs Meteorite Iron Taenite (Fe-30Ni)
Property comparison of Meteorite Iron Kamacite (Fe-7Ni) and Meteorite Iron Taenite (Fe-30Ni), both pure metal.
| Property | Meteorite Iron Kamacite (Fe-7Ni) | Meteorite Iron Taenite (Fe-30Ni) | Difference |
|---|---|---|---|
| Yield strength | 250 MPa | 400 MPa | +60% |
| Tensile strength | 400 MPa | 700 MPa | +75% |
| Elongation | 15 % | 8 % | -47% |
| Elastic modulus | 195,000 MPa | 185,000 MPa | -5% |
| Density | 7,900 kg/m³ | 8,000 kg/m³ | +1% |
| Thermal conductivity | 40 W/m·K | 18 W/m·K | -55% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000013 1/K | +7% |
| Melting point | 1,510 °C | 1,450 °C | -4% |
Difference is Meteorite Iron Taenite (Fe-30Ni) relative to Meteorite Iron Kamacite (Fe-7Ni). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- Fe-7Ni alpha phase (kamacite)
- standard
- Buchwald "Handbook of Iron Meteorites" (1975) / Smithells Metals Reference Book
- heat treatment
- meteoritic (very slow cooled)
- grade
- Fe-30Ni gamma phase (taenite)
- standard
- Buchwald "Handbook of Iron Meteorites" (1975) / Smithells Metals Reference Book
- heat treatment
- meteoritic (very slow cooled)
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