Crude lubricant lubricating oil 密度 温度 gravity volume correction astm d1250

Overview

Engineering reference data for Crude Lubricant Lubricating Oil Density Temperature Gravity Volume Correction ASTM D1250 in material science and properties.

Key Formulas

Stress

$\sigma = \frac{F}{A}$

Force per unit area.

Strain

$\varepsilon = \frac{\Delta L}{L_0}$

Change in length per original length.

Hooke's Law

$\sigma = E \varepsilon$

Stress proportional to strain in elastic region.

Thermal Expansion

$\Delta L = \alpha L_0 \Delta T$

Length change due to temperature.

Variables

References

• Original Source