Ultrafine powder lubricant
First Claim
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1. A lubricating system comprising a particulate metal alloy selected from the group consisting of copper-nickel-tin, copper-nickel-tin-zinc and mixtures thereof and a carrier, said particulate metal alloy having a particle size of from about 0.01 to about 0.5 μ
- m and a surface area of from about 5 m2 /g to about 70 m2 /g, said particulate metal alloy being dispersed in said carrier in an amount of from about 0.1 to about 30% by volume.
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Abstract
An ultrafine particle copper, tin, nickel, zinc lubricant with a surface area of from 5 to 70 m2 /g and a particle size of from about 0.01 to about 0.5 μm. The powder dispersed in a carrier to form a dispersion stabilized by Brownian movement.
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Citations
22 Claims
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1. A lubricating system comprising a particulate metal alloy selected from the group consisting of copper-nickel-tin, copper-nickel-tin-zinc and mixtures thereof and a carrier, said particulate metal alloy having a particle size of from about 0.01 to about 0.5 μ
- m and a surface area of from about 5 m2 /g to about 70 m2 /g, said particulate metal alloy being dispersed in said carrier in an amount of from about 0.1 to about 30% by volume.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A lubricating system comprising a liquid carrier;
- and from about 0.1 to about 30% by volume of a particulate copper-nickel-tin-zinc alloy having a particle size of from about 0.01 to about 0.5 μ
ms and a surface area of from about 5 to about 70 m2 /g whereby said lubricating system is stabilized by Brownian movement for forming an at least partly colloidal suspension. - View Dependent Claims (11, 12, 13, 14, 15, 16)
- and from about 0.1 to about 30% by volume of a particulate copper-nickel-tin-zinc alloy having a particle size of from about 0.01 to about 0.5 μ
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17. A powder lubricant comprising a copper-nickel-tin-zinc alloy having a mean particle size from about 0.01 to about 0.5 μ
- ms and a surface area of from about 5 to about 70 m2 /g.
- View Dependent Claims (18, 19, 20, 21, 22)
Specification