When we talk in terms of heat treating in vacuum, most people think we do so in a space entirely devoid of matter. In reality, this isn't true. In practical terms then, a vacuum is a space with a highly reduced gas density. Just how many gas molecules are still present and how they react inside the vacuum furnace is something we should better understand. Let's learn more.
The 2017 April issue of Industrial Heating features our cover story, a comprehensive list of combustion resources, as well as part 2 of our rimfire firing-pin indent copper crusher series, and much more.