[Woodcarver] performing cryogenics (freezing at 300* below zero)onwood carving tools.

[Ivan Whillock]

When I visited the carving tool manufacturers in Austria, they said that hardness alone does not make a good tool.  Many ultra-hard tools are too brittle and chip when they go through a knot, etc.  They used a tempering process that created a "tough" tool, one that would hold its edge through turns and stresses.

Before I sent my tools to be cryrogenically frozen, I'd want to make sure that the process didn't make them brittle.  

Ivan Whillock Studio
122 NE 1st Avenue
Faribault, MN  55021
Visit my website at
http://www.whillock.com
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http://www.picturetrail.com/gallery/view?username=ivancarve
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