Paper Title:
Preparation of Brazed CBN Abrasive Tools Using Composite Fillers of AgCuTi Alloy and TiB2 Particles
  Abstract

In order to dominate the wetting behavior of molten Ag-Cu-Ti alloy and control the brazing reaction at the joining interface, CBN abrasive grains were brazed using the composite filler of Ag-Cu-Ti alloy and 8 wt.% TiB2 particles. Ag-Cu-Ti alloy without reinforcing particles was also applied in the current investigation to compare with the composite filler. The characteristics of the joining interface and the reaction products were examined using optical microscope, scanning electron microscope, and X-ray diffraction instruments. Finally, the morphology of the CBN grains on the working surface of the brazed abrasive tools was observed. Results obtained show that the composite filler containing TiB2 particles distribute uniformly in the filler layer. Moreover, the interfacial chemical reaction of CBN grains and Ag-Cu-Ti alloy is restrained when TiB2 particles are added. The sharp edges of CBN grains are exposed fully due to the decreased wetting behavior of the composite filler.

  Info
Periodical
Advanced Materials Research (Volumes 76-78)
Edited by
Han Huang, Liangchi Zhang, Jun Wang, Zhengyi Jiang, Libo Zhou, Xipeng Xu and Tsunemoto Kuriyagawa
Pages
131-136
DOI
10.4028/www.scientific.net/AMR.76-78.131
Citation
W. F. Ding, J. H. Xu, Z.Z. Chen, H. H. Su, Y. C. Fu, "Preparation of Brazed CBN Abrasive Tools Using Composite Fillers of AgCuTi Alloy and TiB2 Particles", Advanced Materials Research, Vols. 76-78, pp. 131-136, 2009
Online since
June 2009
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Price
$32.00
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