Porous abrasive articles with agglomerated abrasives
US6679758B2 · kind B2 · utility
47Cited by
42References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2002 |
| Grant date | Jan 20, 2004 |
| Priority date | — |
| Expiry date | Apr 11, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/1436
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A bonded abrasive tool, having a structure permeable to fluid flow, comprises sintered agglomerates of a plurality of abrasive grains and a binding material, the binding material being characterized by a melting temperature between 500 and 1400° C., and the sintered agglomerates having a loose packing density of ≦1.6 g/cc and three-dimensional shape; a bond material; and about 35-80 volume % total porosity, including at least 30 volume % interconnected porosity. Methods for making the sintered agglomerates and abrasive tools containing the sintered agglomerates are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.