Porous abrasive articles with agglomerated abrasives

Details Porous abrasive articles with agglomerated abrasives Porous abrasive articles with agglomerated abrasives

2006-01-12

2008-09-09

Shakeri, Hadi (Department: 3723)

Abrading

Abrading process

With tool treating or forming

C451S028000, C451S526000, C051S293000

Reexamination Certificate

active

07422513

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.

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