Subject: Why is austenitic iron non-magnetic, but ferritic iron is?
Date: Thu Feb 1 14:31:19 2001
Posted by Roy
Grade level: undergrad
School: Southridge High School
City: Kennewick State/Province: WA
Area of science: Chemistry
I teach a course in Materials Science Technology, and use a demonstration
to show how pure iron undergoes a phase change from ferrite to austenite,
accompanied by a volume decrease. I also know that the high-temperature
austenite is not magnetic, whereas ferrite is, but I can't find just why,
despite looking in several metallurgy books. Help?
Re: Why is austenitic iron non-magnetic, but ferritic iron is?
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