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3 cards from this section. Quick, good the night before a test.
What is thermal strain?
Think about how temperature affects length.
State the equation for thermal strain.
What happens to the length as temperature increases?
What does thermal strain measure?
Focus on how temperature affects a material's dimensions.
True or False: Thermal strain generates stress in materials.
Remember the relationship between strain and stress due to temperature changes.
A metal rod with a thermal expansion coefficient of 12 x 10^-6 /°C is heated from 20°C to 100°C. Calculate the change in length of a 2-meter rod.
Use the formula for thermal strain and remember to convert temperatures to a single increment.
In a composite beam subjected to temperature changes, discuss the impact of differing thermal expansion coefficients on stress distribution.
Consider how compatible materials react under heat and how that influences overall stability.
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