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A vacuum furnace is a type of furnace in which the product in the furnace is surrounded by a vacuum during processing. The absence of air or other gases prevents oxidation, heat loss from the product through convection, and removes a source of contamination. This enables the furnace to heat materials (typically metals and ceramics) to ...
A modern computerised gas carburising furnace. Carburizing, or carburising, is a heat treatment process in which iron or steel absorbs carbon while the metal is heated in the presence of a carbon-bearing material, such as charcoal or carbon monoxide.
Despite the naming, the process is a modified form of nitriding and not carburizing. The shared attribute of this class of this process is the introduction of nitrogen and carbon in the ferritic state of the material. The processes are divided into four main classes: gaseous, salt bath, ion or plasma, or fluidized-bed. The trade name and ...
Heat treating furnace at 1,800 °F (980 °C) Heat treating (or heat treatment) is a group of industrial, thermal and metalworking processes used to alter the physical, and sometimes chemical, properties of a material.
Surface Combustion, Inc. is a North American manufacturer of industrial furnaces and heat treating equipment headquartered in Maumee, Ohio, in the United States.The company was founded in 1915 and purchased by the Midland-Ross Corporation (a steel manufacturer) in 1959.
An electric arc furnace (EAF) is a furnace that heats material by means of an electric arc. Industrial arc furnaces range in size from small units of approximately one-tonne capacity (used in foundries for producing cast iron products) up to about 400-tonne units used for secondary steelmaking.
Ipsen's industrial furnaces - vacuum furnaces, atmosphere furnaces and pusher-type furnaces - are used for the following heat treatment processes: hardening, quenching, tempering, carburization, carbon nitriding, nitro carburization, bright tempering, annealing, vacuum brazing, temperature brazing, plasma nitriding
The Doncaster Street cementation furnace in Sheffield, England. The process begins with wrought iron and charcoal. It uses one or more long stone pots inside a furnace. Typically, in Sheffield, each pot was 14 feet by 4 feet and 3.5 feet deep. Iron bars and charcoal are packed in alternating layers, with a top layer of charcoal and then ...