Carbide Volume
As covered in Part 1, carbide volume decreases with increasing temperature. As an example, here are micrographs showing carbides in a spray-form version of the original Vanadis 4 (non-Extra) [1]:
Austenitizing Part 1 – What it is
Update 7/6/2018: Since the writing of the original article I found some excellent micrographs that show austenitization very well and serve as a good supplement to the schematic diagrams. Go to the bottom of the article to see them.
3v Modified – The Lost Crucible Steel
I enjoy reading patents from steel companies, it reveals information about new products and research often not available otherwise. One thing I’m surprised there isn’t more talk about is a steel Crucible patented but never sold – an improved 3V: https://www.google.com/patents/US7615123