Up until now I have mostly used a magnet to estimate the temperature of my steel however I'd like to work out a more reliable system using visual indicators. I read about decalescence at some point and I observed it in a knife i was normalizing the other day.
As I understand it decalescence occurs because of the bond energy within the steel crystals so what I'd like to know is how can I use the visual effects of decalescence to work out at what point to quench. Should I quench just before I see the re-brightening of the steel or as i see it? Or am I completely on the wrong track?
As I understand it decalescence occurs because of the bond energy within the steel crystals so what I'd like to know is how can I use the visual effects of decalescence to work out at what point to quench. Should I quench just before I see the re-brightening of the steel or as i see it? Or am I completely on the wrong track?