MadSci Network: Physics

Subject: How does heat affect the paramagnetism of iron.

Date: Sun May 28 22:40:13 2006
Posted by Kevin
Grade level: 10-12 School: none
City: Tessier State/Province: Saskatchewan Country: Canada
Area of science: Physics
ID: 1148881213.Ph

I was curious about curie temperatures of magnets. I though what if the heat 
was applied not to the magnet but the piece of iron I was playing around with. 
When I heated it red hot the magnet would not stick. Here is the strange 
thing... when I heated the iron to almost white hot with the torch it bent 
away from the magnet appearing if it was now stongly diamagnetic! Is this a 
usual property of what happens when different temperatures are applied to a 
paramagnetic material?

Re: How does heat affect the paramagnetism of iron.

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