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A PROCESS FOR THE PREPARATION OF DENSE SAMARIUM STABILISED ALPHA SiAlON

IR@CGCRI: CSIR-Central Glass and Ceramic Research Institute, Kolkata

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Title A PROCESS FOR THE PREPARATION OF DENSE SAMARIUM STABILISED ALPHA SiAlON
 
Creator BANDYOPADHYAY, S
MAITI, H S
 
Subject Ceramic-Metal Systems
 
Description The present invention relates to a process of making dense Samarium stabilised รก-SiAlON by inventive steps of using compositions from the system Si N -Al O .AlN-Sm O .9AlN-SiO resulting into dense 3 4 2 3 2 3 2 product of the order of > 98% theoretical density with the advantages such as cost effectiveness, high hardness and high fracture toughness. The produced dense alpha-SiAlON will be useful for low temperature applications as wear parts like bearing and roller materials and particularly for grinding and milling operations like grinding balls.
 
Date 2002-03-14
 
Type Patent
NonPeerReviewed
 
Identifier CSIR-CGCRI, India (2002) A PROCESS FOR THE PREPARATION OF DENSE SAMARIUM STABILISED ALPHA SiAlON. IN233579.
 
Relation http://cgcri.csircentral.net/5009/