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LancePearson · 12-27-2012

I'm no metalurgist but that fracture is not a crack propagating from stress. It looks very much to me like a failure of the steel to be heat treated correctly and was too brittle and not elastic enough to handle the load as a result. If parts were trackable all the way back I'd bet it was not heat treated before forming correctly.

Lance

12-27-2012	#37
LancePearson Join Date: Dec 2012 Location: Chester, Virginia Posts: 457	Re: Clutch Fork Failure Analysis Prediction? I'm no metalurgist but that fracture is not a crack propagating from stress. It looks very much to me like a failure of the steel to be heat treated correctly and was too brittle and not elastic enough to handle the load as a result. If parts were trackable all the way back I'd bet it was not heat treated before forming correctly. Lance