Paper Title:
Brazed CBN Grinding Wheel with Ag-Base Filler Alloy
  Abstract

In this paper, the disadvantages of the current CBN (Cubic Boron Nitride) grinding wheels were firstly introduced briefly, for indicating that it was very urgent and important to develop new kinds of grinding wheels with excellent performance to replace the conventional wheels. Then high temperature brazing experiments of monolayer CBN wheels with Ag-Cu-Ti filler alloy were carried out. The result shows that the filler alloy has good wetting capability towards CBN grits. The results of scanning electron microscope (SEM) and energy dispersion spectrometer (EDS), as well X-ray diffraction (XRD) analysis show that, just because during brazing titanium atoms in filler alloys segregated preferentially to the surface of the CBN to form Ti-nitride or Ti-boride layer by reaction between titanium atoms and nitride and boron atoms at elevated temperature, strong chemical joining was formed in the interface between CBN grits and filler alloys. Finally, the contrastive grinding experiments were performed between the monolayer brazed CBN grinding wheels and the electroplated ones. The results show that the brazed wheels have more excellent performance than the latter.

  Info
Periodical
Materials Science Forum (Volumes 471-472)
Edited by
Xing Ai, Jianfeng Li and Chuanzhen Huang
Pages
11-15
DOI
10.4028/www.scientific.net/MSF.471-472.11
Citation
W. F. Ding, J. H. Xu, J.B. Lu, Y. C. Fu, B. Xiao, H. J. Xu, "Brazed CBN Grinding Wheel with Ag-Base Filler Alloy", Materials Science Forum, Vols. 471-472, pp. 11-15, 2004
Online since
December 2004
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$32.00
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