Modified Atmospheres In Laboratory & Industrial Furnaces
Debinding and sintering of the pressed shapes can then be performed inside a vacuum setting inside a graphite furnace. During the debinding process, it is vital to keep up a managed gas stream to protect the furnace construction. The sintering process requires very exact temperature management with a purpose to preserve the small grain dimension of the carbides. How is the environment regulated? Use the following procedure: Purge the furnace workspace for 20 minutes at 5 liters per minute (lpm). Begin the furnace and decrease the circulate to zero.5 liters per minute to take care of a 150-200 mm/H2O stress in the workspace. The furnace is absolutely sealed, so the gas could possibly be turned off and the inlet closed.
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