SI units) Aluminum has a density of 2.70g/cm³ at room temperature (20°C). Determine its density

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(SI Units) Aluminum has a density of 2.70 g/cm³ at room temperature (20°C). Determine its density at 650°C, using data in Table 4.1 for reference.
Transcribed Image Text:(SI Units) Aluminum has a density of 2.70 g/cm³ at room temperature (20°C). Determine its density at 650°C, using data in Table 4.1 for reference.
**TABLE 4.1: Volumetric properties in U.S. customary units for selected engineering materials.**

| Material   | Density, ρ           | Coefficient of Thermal Expansion, α | Melting Point, Tm |
|------------|----------------------|-------------------------------------|-------------------|
|            | g/cm³ | lb/in³      | °C⁻¹ × 10⁻⁶        | °F⁻¹ × 10⁻⁶      | °C  | °F     |
| **Metals** |                      |                                     |                   |
| Aluminum   | 2.70  | 0.098        | 24                                  | 13.3              | 660  | 1220   |
| Copper     | 8.97  | 0.324        | 17                                  | 9.4               | 1083 | 1981   |
| Iron       | 7.87  | 0.284        | 12.1                                | 6.7               | 1539 | 2802   |
| Lead       | 11.35 | 0.410        | 29                                  | 16.1              | 327  | 621    |
| Magnesium  | 1.74  | 0.063        | 26                                  | 14.4              | 650  | 1202   |
| Nickel     | 8.92  | 0.322        | 13.3                                | 7.4               | 1455 | 2651   |
| Steel      | 7.87  | 0.284        | 12                                  | 6.7               | a    | a      |
| Tin        | 7.31  | 0.264        | 23                                  | 12.7              | 232  | 449    |

Key:
- **Density (ρ):** Measurement of how much mass is contained in a given volume.
  - Units: grams per cubic centimeter (g/cm³) and pounds per cubic inch (lb/in³).

- **Coefficient of Thermal Expansion (α):** Rate at which a material expands with an increase in temperature.
  - Units: per degree Celsius (°C⁻¹) × 10⁻⁶ and per degree Fahrenheit (°F⁻¹) × 10
Transcribed Image Text:**TABLE 4.1: Volumetric properties in U.S. customary units for selected engineering materials.** | Material | Density, ρ | Coefficient of Thermal Expansion, α | Melting Point, Tm | |------------|----------------------|-------------------------------------|-------------------| | | g/cm³ | lb/in³ | °C⁻¹ × 10⁻⁶ | °F⁻¹ × 10⁻⁶ | °C | °F | | **Metals** | | | | | Aluminum | 2.70 | 0.098 | 24 | 13.3 | 660 | 1220 | | Copper | 8.97 | 0.324 | 17 | 9.4 | 1083 | 1981 | | Iron | 7.87 | 0.284 | 12.1 | 6.7 | 1539 | 2802 | | Lead | 11.35 | 0.410 | 29 | 16.1 | 327 | 621 | | Magnesium | 1.74 | 0.063 | 26 | 14.4 | 650 | 1202 | | Nickel | 8.92 | 0.322 | 13.3 | 7.4 | 1455 | 2651 | | Steel | 7.87 | 0.284 | 12 | 6.7 | a | a | | Tin | 7.31 | 0.264 | 23 | 12.7 | 232 | 449 | Key: - **Density (ρ):** Measurement of how much mass is contained in a given volume. - Units: grams per cubic centimeter (g/cm³) and pounds per cubic inch (lb/in³). - **Coefficient of Thermal Expansion (α):** Rate at which a material expands with an increase in temperature. - Units: per degree Celsius (°C⁻¹) × 10⁻⁶ and per degree Fahrenheit (°F⁻¹) × 10
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