Actually, the alternative nitriding process I was referring to is still
a thermal process, but runs at something like 400 degrees rather than
900 degrees.
Larry
Charly Mitchel wrote:
>Have you ever heard of cryogenically treating metal? It use the reverse
>process(kinda) or nitrating, cooling instead of heating. You don't have to
>do anything to the part to retrue it after treatment. I have a cryo treated
>crank in my TR6 for about 17 race weekends or the equivalent of about 2000
>race miles.
>^Charly
>TR6 #44
>----- Original Message -----
>From: "Larry Young" <larry.young@pobox.com>
>To: "FOT" <fot@autox.team.net>
>Sent: Thursday, October 13, 2005 11:53 AM
>Subject: Nitriding and Crankshaft Durability
>
>
>
>
>>I've got a couple questions for our resident metallurgists. Of course,
>>nitriding hardens the bearings surfaces and reduces wear. But, will it
>>make the crankshaft less likely to crack? Is there more than one method
>>of nitriding and what are the differences? I have been using a shop
>>that nitrides at around 900 degrees, so they must go through a stress
>>relieve and straighten process before grinding. I understand there are
>>lower temperature processes that do not require stress relieving. Are
>>the results comparable?
>>Thanks,
>>Larry Young
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