Compression Tension Stress Linear Thermal Expansion Equation and Calculator

Heat Transfer Engineering
Thermodynamics

Compression Tension Stress Linear Thermal Expansion Equation and Calculator

Compression or Tension Stress is the change in stress due to the material expansion by the change of temperature.

Stress Linear Expansion

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Stress

σ = E α ΔT

or

σ = E ε

Where:

ΔT = End Temperature T1 - Start Temperature T2 (°F, °C)
E = Youngs Modulus (psi, N/m2)
α = Coefficient of Thermal Expansion (1/°F, 1/°C). Note: that units may be expressed as in / in-°F, m / m-°C
ε = Strain ΔL/L ( in/in, m/m) That would have occured if linear feature no restrined axially.

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