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Centorr Vacuum Industries: Sintering Furnaces

Centorr Vacuum Industries (CVI) has reengineered its Sinterbar line of production high-pressure sintering furnaces. An engineering task force was put together that combined Centorr’s best mechanical and electrical engineers with the pressure furnace expert Fuad Barbar. This team expanded the temperature range and pressure capabilities of the Sinterbar line, as well as improved its thermal performance, overall safety, durability, and cost effectiveness.

The new Sinterbar line has temperature capabilities of 1650 or 2200°C, with pressures of 60 to 100 bar (900 to1500 psig). Standard sizes of 1, 4, 10 and 12 cu ft (28, 113, 283 and 340 liters) are available with optional debinding capabilities.

CVI’s Sinterbar furnaces are used to densify hard metals and ceramic powder parts. After a part has been debound and sintered in the furnace, it is further densified by introducing an inert gas static back-pressure of up to 100 bar (1500 PSIG) at high temperature, removing most of the remaining porosity. The process provides a finished part with almost 100% theoretical density and maximum mechanical strength. It is used primarily on hard metals like tungsten carbide and engineered ceramics.

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