Clay tempering?

[V-1]

Has anyone from the forum ever actually performed this technique? I was just wondering if I could get some real world experience, advice, and tips that would help with my first shot at this. I'll probably try it this weekend or the next one. I hope the line is visible when the blade is finished.

 

[Chiro75]

I read a good article on the subject by the late Bob Engath. I think it can be found at http://www.knives.com
although I'm not positive.

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[Alberta Ed]

Let us know how it worked -- type of steel, dimensions, quenching medium and temperature, and what sort of clay you used. I believe Engnath used some sort of alumina refractory cement. You'll find his excellent articles on www.knives.com

 

[amacks]

I remember that there is a maker here who clay tempers 52100, but I forgot who. Show yourself?
Aaron

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amacks@nist.gov
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[Darrel Ralph]

Call your refractory folks and get some premix called #36. Put it on the blade and let it dry over night. Quench the edge in brine. This is a newer process for clay tempering....


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[Logan]

Darrel:
Do you mean to coat the entire blade in the cement and then edge quench in brine? What about a thicker spine coating and less or no coating near the edge to give a differential heat treat?

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[JoeL]

amacks,

Howard Clark has also tried clay-temper on 52100. That is a Katana, but the hamon resulted is not very attractive... in case you can see it

Joe Leung

[This message has been edited by JoeL (edited 22 August 1999).]