Lithium tantalum oxide coated tantalum articles with improved wear resistance and process for providing the same
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United States of America Patent
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Mar 7, 1989
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N/A
app pub date -
Apr 21, 1987
filing date -
Mar 27, 1985
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Expired
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Abstract
A tantalum niobium or tantalum-niobium alloy with a film containing polycrystalline lithium metal oxide wherein the metal corresponds to the metal from which the article is made, wherein the surface properties including hardness, yield strength, elasticity and electrical properties are improved so that the operating life can be increased and new application for such articles can be made. Tantalum spinnerets of the present invention have longer operating life, clog less and produce a better quality fiber.
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