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Refractory metal boride ceramics and methods of making thereof

Patent image
NRL

A composition having nanoparticles of a refractory-metal boride and a carbonaceous matrix. The composition is not in the form of a powder. A composition comprising a metal component, boron, and an organic component. The metal component is nanoparticles or particles of a refractory metal or a refractory-metal compound capable of decomposing into refractory metal nanoparticles. The organic component is an organic compound having a char yield of at least 60% by weight or a thermoset made from the organic compound. A method of combining particles of a refractory metal or a refractory-metal compound capable of reacting or decomposing into refractory-metal nanoparticles, boron, and an organic compound having a char yield of at least 60% by weight to form a precursor mixture. A composition having nanoparticles of a refractory-metal boride that is not in the form of a powder.

Inventors: 
Keller, Teddy M.; Saab, Andrew; Laskoski, Matthew
Patent Number: 
Technical domain: 
Materials and Coatings
FIle Date: 
2014-09-11
Grant Date: 
2016-10-18
Grant time: 
768 days
Grant time percentile rank: 
14
Claim count percentile rank: 
4
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY