See length change with temperature
Inspect free expansion from coefficient, initial length and temperature change.
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Start with a reference or example
Get a sense of the value, then inspect the diagram or motion.
| Reference / example | Value | What it means | Use |
|---|---|---|---|
| Steel representative example | α 12 ×10⁻⁶/K | 1 m and 50 K: 0.6 mm expansion | |
| Aluminium representative example | α 25 ×10⁻⁶/K | 1 m and 50 K: 1.25 mm expansion | |
| Copper representative example | α 17 ×10⁻⁶/K | 1 m and 50 K: 0.85 mm expansion |
Formula examples; see the scope alongside each view.
Applies to condition A. Then press Play or Reveal.
Conditions
Uniform temperature, constant coefficient, no constraint. Input temperature difference: −100 to 300 K.
Visual preview
Ready2D · bar side view
Only length change is magnified; actual change and magnification are labeled.
How to read this view
Equation and interpretation
ΔL=α L ΔT. Material examples are textbook representative coefficients and vary with alloy and temperature. Thermal stress is excluded.