Enhancement of Material Properties by Infiltration of Powder Metal Part: Formulation and Method of Application Thereof
OwnerArun K. Chattopadhyay, Jessu Joysinventors
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Abstract
Infiltration compositions comprising chromium and at least about 80% copper. The infiltration compositions may further comprise iron, zinc, manganese, antimony and/or lubricants. Also, methods for infiltrating powder metal parts comprising contacting a powder metal part with the infiltration composition comprising chromium and at least about 80% copper and heating the powder metal part and infiltration composition to a temperature sufficient to melt the infiltration composition and allow the infiltration composition to infiltrate through pores in the powder metal part.
Claims25
An infiltration composition comprising at least about 80% copper and chromium.
A method for infiltrating a powder metal part with an infiltration composition comprising the steps of providing an infiltration composition comprising at least about 80% copper and chromium, providing the powder metal part, contacting powder metal part with the infiltration composition and heating the powder metal part while the powder metal part is in contact with the infiltration composition to a temperature that allows the infiltration composition to melt and infiltrate through pores in the powder metal part.
Dependencies are inferred from the claim text.