Sintering atmospheres play an important part in the production of high-quality sintered-metal components. The type of atmosphere required and the accuracy of control are dependent upon the materials being processed and the customer's specification.
This paper, dealing with the application of reformed hydrocarbon gases, demonstrates how an appreciation of the reactions occurring between the metal-powder compacts and the surrounding atmosphere is an essential basis for the choice of atmosphere composition. The techniques of atmosphere control are discussed and recommendations given for reliable gas analysis on which to base this control.
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