Re-use of this resource is governed by a Creative Commons Attribution-
NonCommercial-ShareAlike 4.0 International
https://creativecommons.org/licenses/by-nc-sa/4.0/
creative commons DoITPoMS logo
Layer 2 Fe PC Fe Al Al PC 100 mm liquid nitrogen -196 °C boiling water 100 °C grey lines from top of bi-material strip
Press the 'Start' button.
Then move the slider to observe the amount of curvature in the bonded strips at different temperatures.
Fe
Al
PC
E / GPa
210
70
2
α (microstrain K−1)
15
24
90
Poisson ratio, ν
0.26
0.33
0.35
strip thickness = 1 mm
Κ / m−1     
Temperature / °C  


100 mm liquid nitrogen -196 °C boiling water 100 °C
Select your parameters and press the 'Start' button.
Then change the temperature slider and see how the
curvature changes.
Press 'Reset' to change parameters (material and
thickness, and note any changes to curvature.
Material A   Material B                
E / GPa    
α (microstrain K−1)    
Poisson ratio, ν    

Material thickness / m 0.001  0.002  0.003  

Temperature / °C   


/ m−1