Paper Title:
Induction Brazing Diamond Grinding Wheel with Ni-Cr Filler Alloy
  Abstract

An experimental study on induction brazing diamond grinding wheel with Ni-Cr filler alloy was carried out. Brazing trial was conducted at the temperature range of 1020-1080 oC and the brazing time were 10, 20, 30 and 40 seconds in a flowing argon environment with a flow rate of 5000cm3/min. The scanning electron microscopic (SEM) results indicate that good wetting existed between the brazing alloy and diamond. The element distribution of C, Cr, Si and Ni were examined by energy dispersive spectrometer (EDS), the results demonstrated an intermediate layer rich in the chromium formed between the filler metal and diamond. Kinds of compounds formed in the interface were detected by means of x-ray diffraction (XRD), and the graphitization of the brazed diamond grits was determined by Raman spectroscopy. The monolayer induction brazing diamond grinding wheels were used in grinding of nature granite, experimental results show that induction brazing wheels performed better than vacuum brazing diamond wheels, and no pullout of diamond grits or peeling of the filler metal layer took place.

  Info
Periodical
Materials Science Forum (Volumes 532-533)
Edited by
Chengyu Jiang, Geng Liu, Dinghua Zhang and Xipeng Xu
Pages
377-380
DOI
10.4028/www.scientific.net/MSF.532-533.377
Citation
Z. Y. Xu, H. J. Xu, Y. C. Fu, B. Xiao, J. H. Xu, "Induction Brazing Diamond Grinding Wheel with Ni-Cr Filler Alloy", Materials Science Forum, Vols. 532-533, pp. 377-380, 2006
Online since
December 2006
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$32.00
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