Work-Hardening & Annealing

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Work-Hardening & Annealing

Postby MochetVelo » Thu Feb 02, 2017 5:48 am

Here is a good article about work-hardening and annealing. It's in the form of a student lab experiment, but the explanations are excellent. As you know, non-ferrous metals become brittle after shaping and forming. The common ones used in automobiles being copper, brass, and aluminum.

http://materialseducation.org/educators ... Copper.pdf

One trick I know concerns annealing aluminum body panels. Apply your torch (using acetylene gas only) to the metal, coating it with that annoying black soot. Then, play a rosebud tipped oxy-acetylene torch over the surface. When the soot is burned off, the aluminum is annealed.


Phil
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