Method of producing uniform blends of nano and micron powders
US7758784B2 · kind B2 · utility
1Cited by
16References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2006 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Sep 14, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2009/043
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of uniformly dispersing a nano powder throughout a micron powder. Ordinary mixing or agitation does not succeed in attaining uniform dispersal: the nano powder agglomerates into microscopic masses. In one form of the invention, a charge of a micron powder, with fifty weight percent of charge of nanopowder is loaded into a ball mill. The mixture is ball milled for less than two hours, at room temperature in a dry condition, and produces a highly uniform distribution of the nano powder throughout the micron powder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.