'Quench severity' presentation slideshows

Quench severities

Quench severities. Example quench design problems. Jominy curve. 6. 6. What is max bar size for 4140 which will full harden with quench severity of 0.35?. Example quench design problems. 6. What quench should be used for 2" diam. 4140 bar to full harden 1/2" deep?. Quench severity ? 1.25

188 views • 17 slides

Last class - Ceramic tools Cast irons

Last class - Ceramic tools Cast irons. Today - Case hardening Hardenability test Quenching design. Case hardening. Gear tooth. Carburizing - pack & gas - add C from CO gas. Nitriding - add N from NH 3. Case must be Q & T, except for nitrided. Carbonitriding - add C & N from CO & NH 3.

160 views • 15 slides

144 views • 14 slides