Abrasive grain and method for producing it, polishing tool...

Details Abrasive grain and method for producing it, polishing tool... Abrasive grain and method for producing it, polishing tool...

2006-11-13

2008-07-08

Marcheschi, Michael A (Department: 1793)

Abrasive tool making process, material, or composition

With inorganic material

C051S308000, C051S309000

Reexamination Certificate

active

07396372

ABSTRACT:
An abrasive grain including a porous particle material in which a large number of secondary particles contain gaps between primary particles bonded to each other. The secondary particles are produced by growing primary particles into secondary particles, which are formed by cohesion of a large number of primary particles, via a heat treatment at a temperature sufficient to form necks at bonding points between the primary particles.

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