engineering question #983



Phil, a 13 year old male from Ottawa asks on October 18, 2002,

Q:

Are there some materials that shrink faster that other materials in cold? If yes, which ones?

viewed 14259 times

the answer

Barry Shell answered on October 22, 2002, A:

Almost all materials shrink when cooled and expand when heated although there are some notable exceptions (such as water/ice). The measure of this is called the Thermal Expansion Coefficient. You can find tables on the web that show the different values for different materials. A good table for metals can be found at engineeringtoolbox.com. The bigger the number, the more it shrinks. You can find similar tables by going to Google and searching for thermal expansion coefficients for glass, stone, wood, or whatever you wish.

Add to or comment on this answer using the form below.
(required)
(required if you would like a response)
Note: All submissions are moderated prior to posting.
If you found this answer useful, please consider
making a small donation to science.ca.