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Hardness is also affected by the amount of carbon in solution at the time of the quench, with the peak hardness occurring at the eutectoid. Just because your steel is hypereutectoid does not mean...

Right, and your mention of ritual is/was a part of this human learning. Trying to repeat what has worked before as accurately as possible. An audience member at a talk, that I attended, about...

I've been interrupting my quench at somewhere around 450 F (a SWAG and a 480 degree temp stick) The last time I did this I was thinking that the steel, in theory, should still be austenite at this...

In martempering, martensite does not start forming until the piece is removed from the quench medium with the idea that the steel moves slowly through the Ms to Mf temperatures resulting in a more...

I would think that the most gentle quench would be as slow as you could go and still stay left of the nose and the formation of pearlite and bainite in the edge region. Faster than that does not...