flame hardening


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Related to flame hardening: Induction hardening, Case hardening

flame hardening

n
(General Engineering) engineering the surface hardening of ferrous metals by heating the metal with an oxyacetylene flame followed by rapid cooling
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References in periodicals archive ?
Whether one or two coats is used, the final flame hardening of the refractory must not burn the binder that anchors the paint to the layer beneath nor should the surface color change.
Four high energy application methods have been used in the past: flame hardening, induction heating, laser energy, and electron beams.