Paper Title:
Cobalt-Based Binders and the Efficiency of Diamond Saw Blades
  Abstract

Powder metallurgy-based technologies of saw blades production for stone cutting normally uses cobalt as binder agent. Cobalt was chosen for that purpose because it provides improved properties, high wettability and good adhesion between dispersed diamond particles. In addition to its excellent physical properties, cobalt also shows a positive behavior associated with the control of diamond graphitization at temperatures up to 1000°C. In this work, an experimental planning method supported by a mathematical algorithm was used to study the influence of doping agents incorporated into cobalt-based binders. The consequences on the wear resistance of saw blades, as well as on other physical and mechanical properties of the “diamond-cobalt-doping agent” composites were investigated. Cr3C2, Si, Ni and Fe were used as doping agents. Experimental tests were carried out using granite as a base material for wear and cutting operations.

  Info
Periodical
Materials Science Forum (Volumes 660-661)
Edited by
Lucio Salgado and Francisco Ambrozio Filho
Pages
182-187
DOI
10.4028/www.scientific.net/MSF.660-661.182
Citation
G. S. Bobrovinitchii, M. Filgueira, S. N. Monteiro, R. C. Tardim, "Cobalt-Based Binders and the Efficiency of Diamond Saw Blades", Materials Science Forum, Vols. 660-661, pp. 182-187, 2010
Online since
October 2010
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$32.00
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