Case hardening basics: Nitrocarburizing vs. carbonitriding
It’s easy to get lost in the chemistry—and the nomenclature—behind heat-treating processes.…
Carbonitriding
Carbonitriding is an austenitic (above A3) case hardening process similar to carburising,…
Carburizing
Carburizing Heat Treatment for Machined Gears, Machined Parts and StampingsCarburizing steel produces…
Martempering/Marquenching
Marquenching/Martempering is a form of heat treatment applied as an interrupted quench…
Continuous Cooling Transformation Diagrams
In the last column, we discussed the construction and application of Time…
I-T Diagram and Cooling Curves
Phase Diagrams are limited in their usefulness because they can only predict…
MARTEMPERING AND AUSTEMPERING
It will be readily appreciated that the quenching operation used in hardening…
