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Heat Treating and Metallurgy Discussion of heat treatment and metallurgy in knife making. |
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#1
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sheared plate
Question for the mettalurgists:
Does tool steel work-harden at the edges where it has been sheared. O1 and D2 in particular? If so, would it be prudent to anneal? thanks bruce __________________ If it isn't sharp it's only a screwdriver. ------------- Birdog Forge,com |
#2
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Work Hardening
Work hardening is the act of crushing and distorting the crystal lattice so that dislocation movement is impeded. I would say that shearing would work harden the edges somewhat. If you are going to forge the steel, it will re-crystalize by the time it reaches a dull red and you need not worry about it. If you are grinding it, I doubt the work-hardened edge would cause you much trouble. However, heating it to a very dull red and slow cooling would reduce the hardness considerably without the problem of scale and carbide precipitation.
__________________ Which is worse; ignorance or apathy? Who knows? Who cares? |
#3
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Thanks QC
I may have access to some large plate 01 and wondered what I might run into withhaving it sheared. bruce __________________ If it isn't sharp it's only a screwdriver. ------------- Birdog Forge,com |
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