Mg7Cr is an intermetallic compound composed of magnesium and chromium, representing a research-phase material within the magnesium alloy family. While not widely commercialized, this compound is of interest in materials science for exploring lightweight intermetallic systems, particularly where magnesium's low density combined with chromium's strengthening and corrosion-resistance contributions could offer performance benefits. Engineers would consider this material primarily in experimental applications or advanced development programs targeting extreme weight reduction or high-temperature stability, though its brittleness and processing challenges relative to conventional Mg alloys typically limit current industrial adoption.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 38.49 | GPa | — | ||
Poisson's Ratio(ν) | 0.2800 | - | — | ||
Shear Modulus(G) | 20.29 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.143 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 3.993 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1533 | eV/atom | — | ||
Formation Energy(ΔHf) | 0.1533 | eV/atom | — |