Tagged Questions
0
votes
1answer
86 views
What is a good reference for the mechanical properties of materials at cryogenic temperatures?
I want to research various the properties of various materials, namely tensile strength at cryogenic temperatures (~20K). I was wondering if a freely available database of material properties exists.
2
votes
2answers
956 views
Will the hole on a metal disc expand or contract upon heating? [duplicate]
Possible Duplicate:
Will a hole cut into a metal disk expand or shrink when the disc is heated?
The metal disc of diameter D1 has a hole in it and the diameter of the hole is D2 (D2
Now, ...
23
votes
8answers
8k views
Will a hole cut into a metal disk expand or shrink when the disc is heated?
Suppose you take a metal disc and cut a small, circular hole in the center.
When you heat the whole thing, will the hole's diameter increase or decrease? and why?
