Paper Title:
Characteristics of Ni-Ti-Zr-Si-Sn Bulk Amorphous HVOF Coating
  Abstract

This study was conducted to observe the influence of oxygen to fuel ratio[O2/H2 ratio] of HVOF(High Velocity Oxygen Fuel) process on the amorphous formation and coating properties of NiTiZrSiSn bulk amorphous alloy. The bulk amorphous feedstock was prepared by inert gas atomization. Amorphous contents were followed by differential scanning calorimetry(DSC). Microstructural characterization was done by scanning electron microscope(SEM) and x-ray diffraction(XRD). Mechanical properties were obtained by Vickers microhardness testing and pin on disk wear testing. A maximum 72% amorphous phase could be obtained with an optimum O2/H2 ratio. High amorphous content resulted in a low friction coefficient and weight loss than high oxide content coating and fully crystallized coating.

  Info
Periodical
Materials Science Forum (Volumes 449-452)
Edited by
S.-G. Kang and T. Kobayashi
Pages
929-932
DOI
10.4028/www.scientific.net/MSF.449-452.929
Citation
S. Y. Lee, H. S. Choi, C. H. Lee, Y. J. Kim, "Characteristics of Ni-Ti-Zr-Si-Sn Bulk Amorphous HVOF Coating", Materials Science Forum, Vols. 449-452, pp. 929-932, 2004
Online since
March 2004
Keywords
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