What's called Vacuum Degassing(VD) in tool steel industry ?
Steel MAking: Lecture Vacuum Degassing, VOD, Ladle-De-S, ESR | PDF
Vacuum Degassing Processes for Liquid Steel – IspatGuru
Development to Improve the Accuracy of Refining Control of Vacuum Argon Oxygen Decarburization (V-AOD)
The Argon Oxygen Decarburization Process :: Total Materia Article
Vacuum converter CONVAC: Superb stainless steel and ferroalloy refining power for demanding applications - SMS group GmbH
Melting and Refining | Nippon Yakin Kogyo
Kinetics of Decarburization and Manganese Loss from Fe–15Mn–1C Alloy by Bubbling of Argon–Oxygen Gas Mixtures | Metallurgical and Materials Transactions B
Steel Making Vacuum Oxygen Decarburization Furnace
Increase of Stainless Steel Production Capacity in East Japan Works (Chiba)