ABRASIVE TOOL HAVING CONTROLLED POROSITY DISTRIBUTION

An abrasive tool having a body including an abrasive portion having abrasive grains contained within a matrix material and porosity characterized by a bimodal distribution of pores including large pores having an average large pore size (Pl) and small pores having an average small pore size (Ps), wh...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUMOTO, Dean, S, BONNER, Anne, M, FRANCOIS, Emmanuel, C, KLETT, Michael, W, ZUYEV, Konstantin, S, JEEVANANTHAM, Muthu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING TOOLS FOR GRINDING, BUFFING, OR SHARPENING TRANSPORTING
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Beschreibung
Zusammenfassung:	An abrasive tool having a body including an abrasive portion having abrasive grains contained within a matrix material and porosity characterized by a bimodal distribution of pores including large pores having an average large pore size (Pl) and small pores having an average small pore size (Ps), wherein Pl>Ps. The body of the abrasive tool further includes a first reinforcing member contained within the abrasive portion, and a percent thermal expansion over a temperature range for 25° C. to 450° C. of not greater than about 0.7%.