Paper Title:
Effect of the Sulfurizing Layer on Tribological Properties of Netted Laser-Quenching Surface
  Abstract

The sulfurizing layer with a thickness of 8μm was prepared on the netted laser quenching surface of CrMoCu alloy cast iron by means of low temperature ion sulphuration process. The tribological properties of the sulfurizing layer under the condition of dry sliding were investigated by type MFT-R4000 reciprocating friction-wear tester. The morphologies and compositions of the original and worn surface of the duplex coating were analyzed by a scanning electron microscope (SEM) equipped with an energy dispersive spectrometer attachment (EDX). X-ray Diffraction (XRD) was employed to analyze the surface phase structures. The experimental results revealed that sulfurizing layer was loose and porous, and the phase structure of which was mainly FeS. Furthermore, the sulfide on laser treated area was more compact and the grains more exiguous. Under the same experimental conditions, duplex coating possessed a remarkable friction-reducing effect and improved the wear resistance to a certain extent. And that sulfurizing layer could abate the worn-step effect availably.

  Info
Periodical
Advanced Materials Research (Volumes 154-155)
Edited by
Zhengyi Jiang, Xianghua Liu and Jinglong Bu
Pages
1834-1838
DOI
10.4028/www.scientific.net/AMR.154-155.1834
Citation
Y. Q. Zhao, X. Y. Che, Y. L. Qiao, Y. Zang, "Effect of the Sulfurizing Layer on Tribological Properties of Netted Laser-Quenching Surface", Advanced Materials Research, Vols. 154-155, pp. 1834-1838, 2011
Online since
October 2010
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