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Vacuum Heat Treating
Operating Experience with a New Reactive Ion Plating Unit for TiN Coating
During 1986, a physical vapor deposition titanium nitride reactive ion plating unit, the first of its kind shipped to the U.S., was put in to operation. It was designed for electron beam evaporation of titanium, utilizing triode plasma configuration and hot filament ionization assist. This article outlines some start-up and learning problems, and describes present equipment, Vacuum Furnace Systems Corp. modifications, and helpful processing tips.
Vacuum-Another Atmosphere?
The third installment of our series on the practical aspects of vacuum heat treating explores the oxidizing and reducing aspects of vacuum and how the heat treater can cope with them.
Why Vacuum?
The third installment of our series on the practical aspects of vacuum heat treating explores the oxidizing and reducing aspects of vacuum and how the heat treater can cope with them.
High-Velocity Gas Flow Seen as Key to Rapid Quench
Both theoretical calculations and experience indicate that high-velocity gas flow resulting in gas turbulence within the furnace hot zone is the principal factor for rapid quenching. Therefore, a high-volume recirculating gas atmosphere is essential for providing high-cfm flow through the work zone while conserving gas.
