Such a strip is made from two metals with different expansion coefficients. When temperature changes it bends because of the different expansion of the two sides
at the end of a long steel bridge
bimetallic strip
A bi-metallic strip is made of two different metals. (Duh!) Each metal has its OWN coefficient of thermal expansion, so when it heats up, one side expands more than the other does. The side that expands more causes the strip to bend toward the side that expands less.
if you are talking about the strips that you put on your forehead it isn't an LCD strip instead there are different thermochromic inks applied to different parts of the strip. when heat is applied to the inks they change colour and with the use of different inks, they change colour at different temperatures because of this, you can see your temperature (: help much?
The question needs a better focus. Taking it as read, the pieces become impacted. Or perhaps a bimetallic strip? Or a sedimentary rock?
A bimetallic strip is used to convert a temperature change into mechanical displacement.
When the temperature of the iron increases, the bimetallic strip bends upwards. This breaks the contact between the strip and the heating coil. When the temperature falls, the bimetallic strip bends down and the contact is restored.
A strip consisting of two metals that bends with a rise in temperature
they are cheap to buy, easy to install, they are not extermely accurate and are slow to react to a temperature change.
because of pressure
Bimetallic strip
It Melts:P.
Any temperature above or below the temperature at which they were glued together.
The two metals chosen for the bimetallic strip have different modulii of thermal expansion, The bimetallic strip bends as the temperature changes and so the strip can be used to activate relays or other electronic switches and so work as a thermostat.
The bimetallic strip bends.
Rates of physical expansion, over the same temperature change.
A strip consisting of two metals that bends with a rise in temperature