Bonded abrasive article and method of making the same

US11667009B2 · kind B2 · utility

Assignees

• SAINT-GOBAIN ABRASIVES, INC. · US
• SAINT-GOBAIN ABRASIFS · FR

Inventors

• Cecile O. MEJEAN · Marlborough, US
• John S. Hagan · Shrewsbury, US
• Linda S. Bateman · Spencer, US
• Alexandre TEMPERELLI · Boston, US
• Taewook Hwang · Acton, US
• Ramanujam Vedantham · Shrewsbury, US
• John M. GULCIUS · Shrewsbury, US
• Maureen A. Brosnan · West Boylston, US

Key dates

• Filing date: Jul 9, 2021
• Grant date: Jun 6, 2023
• Expiry date: Jul 9, 2041

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B24D3/18
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

An abrasive article can include a body including a bond material, abrasive particles, and a plurality of pores, wherein the bond material can comprise a vitreous material. In one embodiment, an average particle size of the abrasive particles can be between 0.1 microns to 5 microns, and a porosity of the body may be between 40 vol % to 70 vol %, wherein the porosity may define an average pore size (D50) of at least 0.1 microns and not greater than 5 microns.