My question is this:
Say you have a 17 inch rim on your car and the standard tire (let's say total wheel diameter is 22 inches) that comes with it.
If you now take a 20 inch rim with a tire that increases the overall wheel diameter (lets say total wheel diameter is now 25 inches) but doesn't...
I'm trying to find the Poisson ratio for a number of polymers and composites but I'm having trouble doing so. Is there a reason that this information is so hard to come by? I know that most polymers have a range of 0.3 to 0.5, but specific values are needed for this application.
The materials...
Does anyone know the temperature at which copper will begin to change colors (i.e. blue, violet, and even gray.. I think gray is when the oxide formation happens, but I'm not positive).
I'm really interested in knowing when the gray forms since it seems like that would be the highest...
