Paper Title:
Corrosive Wear Behavior of Several Materials Coupled with Si3N4 in the Molten Zinc
  Abstract

In continuous hot dip galvanizing, serving parts working in the molten zinc, such as sink roll, sleeves, etc. tend towards degradation and failure due to corrosion and wear. In this paper, corrosive wear performance of several materials, such as boronized,H13,Co-based alloy and Fe-based alloy coupled with Si3N4 is evaluated with the aid of a self-made test machine of block-column sliding wear. Moreover, the corrosive wear mechanism is analyzed. It has been found that these materials suffered not only considerable wear, but also the corrosion of molten zinc. For boronized layer, the wear is the main reason to cause the failure of work parts under the act of the corrosive wear. For H13, the interaction between corrosion and wear plays a very important role on its failure. For those alloys with bad corrosion resistance such as Co-based alloy and Fe-based alloy, both corrosion of solid solution and wear of intermetallic compound act on their failure at the same time. However, the rate of wear shows no obvious relation to the hardness although wear performance is important. The failure greatly lies on the ratio of the hardness of corrosion products to matrix.

  Info
Periodical
Edited by
Shengyi Li, Yingchun Liu, Rongbo Zhu, Hongguang Li, Wensi Ding
Pages
1804-1809
DOI
10.4028/www.scientific.net/AMM.34-35.1804
Citation
R. N. Ma, A. Du, J. J. Wu, X. M. Cao, "Corrosive Wear Behavior of Several Materials Coupled with Si3N4 in the Molten Zinc", Applied Mechanics and Materials, Vols. 34-35, pp. 1804-1809, 2010
Online since
October 2010
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