Q Is for Quenching
Metalworking Glossary for the Letter Q
See the index to the Glossaries here:
https://www.libertymachineworks.com/blog/150-metalworking-glossary
- Quenching. The process of rapidly cooling hot metal by contact with a lower temperature material like liquid or gas to harden it or otherwise alter its properties. The process is always followed by tempering to increase the metal’s ductility.