Paper Title:
Effects of Plasma Nitriding on Low Temperature Salt-Bath Chromizing of W18Cr4V Steel
  Abstract

Effects of plasma nitriding on low temperature salt-bath chromizing of W18Cr4V steel is studied .The chromizing process is investigated by means of optical microscopy(OM), scanning electron microscopy(SEM), X-ray diffraction (XRD). Results show that the specimens are chromized successfully by low temperature salt-bath subjected to plasma nitriding. A chromized layer with average 3.3μm in thickness and 1200HV-1300HV in microhardness is formed on the substrate by chromizing at 610°C for 6h. XRD analysis show that the chromized layer is composed of Cr23C6, CrN, Cr/Fe, (Cr, Fe)7C3 , (Cr, Fe)2N and the surface chromium concentration reaches 77.67%.

  Info
Periodical
Edited by
Zhang Yushu
Pages
543-547
DOI
10.4028/www.scientific.net/AMR.213.543
Citation
J. L. Ye, F. Ye, "Effects of Plasma Nitriding on Low Temperature Salt-Bath Chromizing of W18Cr4V Steel", Advanced Materials Research, Vol. 213, pp. 543-547, 2011
Online since
February 2011
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