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has been cited by the following article:

• TITLE: Effect of Kind Rolling on the Properties of Plasma-Formed Nitride Layers on Fe93Ni4Ti3

  AUTHORS: Fayez Mahomoud El-Hossary, Sayed Mohammed Khalil, Magdy Abdel Wahab Kassem, Khaled Lotfy

  KEYWORDS: Cold Rolled, Hot Rolled-Radio Frequency (Rf), Microhardness, Optical Microscopy (OM), X-Ray Diffraction (XRD)

  JOURNAL NAME: Journal of Modern Physics, Vol.1 No.3, September 8, 2010

  ABSTRACT: The nitriding behavior of cold rolled Fe93Ni4Ti3 specimens was compared with that of hot rolled specimens of the same materials. Radio frequency (rf) nitriding was performed for 10 minutes in a 10-2 mbar nitrogen atmosphere. The continuous plasma power was varied from 300-550 W in steps 50 W or less. Results of optical microscopy (OM), x-ray diffraction (XRD) and microhardness measurements (Hv) are presented and discussed with regard to the influence of kind rolling on the nitriding behavior, particularly nitride formation and nitride layer growth on mechanical properties. The results show a remarkable increase of nitrogen diffusivity and microhardness of cold rolled nitride samples. These best results may be attributed to enhancement of the defect and/or a compressive stress.