Novel method for preparation of silver-tin oxide electrical contacts |
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Authors: | H Chang C H Pitt G B Alexander |
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Affiliation: | (1) Department of Materials Science & Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois;(2) Department of Metallurgical Engineering, University of Utah, Salt Lake City, Utah |
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Abstract: | A novel method of coating tin oxide particles with silver by an electroless plating process has been developed to produce
silver-tin oxide electrical contact materials. A powder metallurgy process has been developed to consolidate the electroless
plated silver- tin oxide composite powders. The effect of the various plating conditions on the morphology of the composite
powder was studied using the transmission electron microscope (TEM) and the scanning electron microscope (SEM). An optical
microscope and electron microprobe analysis (EMPA) were used to characterize the structure of the sintered silver-tin oxide
compact. Ductility and hardness were measured to ensure that the mechanical properties are adequate, and electrical conductivity
was also measured. |
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