US2020254518A1PendingUtilityA1

Powder metal with attached ceramic nanoparticles

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Assignee: UNITED TECHNOLOGIES CORPPriority: Mar 27, 2015Filed: Dec 2, 2019Published: Aug 13, 2020
Est. expiryMar 27, 2035(~8.7 yrs left)· nominal 20-yr term from priority
Inventors:Ying SheJohn A. SharonJames T. BealsAaron T. Nardi
B22F 1/142B22F 1/16B22F 10/28C22C 32/0015B23K 2103/10B22F 2998/10Y02P10/25B23K 2103/08B23K 2103/14B29C 64/153B23K 26/0006B23K 2103/02B23K 15/0086B23K 2103/52B23K 15/0093B23K 26/342B22F 3/1055B22F 1/0085Y02P10/295B22F 1/02
74
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Claims

Abstract

A powder material includes spherical metal particles and a spaced-apart distribution of ceramic nanoparticles attached to the surfaces of the particles.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A powder material comprising:
 spherical metal particles; and   a spaced-apart distribution of ceramic nanoparticles attached to the surfaces of the particles.   
     
     
         2 . The powder material as recited in  claim 1 , wherein the spherical metal particles are selected from the group consisting of nickel, chromium, and combinations thereof. 
     
     
         3 . The powder material as recited in  claim 1 , wherein the ceramic nanoparticles are selected from the group consisting of oxides, nitrides, carbides, and combinations thereof, and the powder material has a composition, by weight, of 0.1-5% of the ceramic nanoparticles. 
     
     
         4 . The powder material as recited in  claim 1 , wherein the ceramic nanoparticles are oxide nanoparticles. 
     
     
         5 . The powder material as recited in  claim 1 , wherein the ceramic nanoparticles are zirconium oxide nanoparticles. 
     
     
         6 . The powder material as recited in  claim 1 , wherein the spherical metal particles are nickel-based particles and include chromium. 
     
     
         7 . The powder material as recited in  claim 6 , wherein the ceramic nanoparticles are zirconium oxide nanoparticles. 
     
     
         8 . The powder material as recited in  claim 7 , wherein the powder material has a composition, by weight, of 0.1-5% of the ceramic nanoparticles.

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