Local Thermomechanical Treatment Regime for Friction Welded Joints from Dissimilar Nitrided-QT Steels

Ion Mitelea; A. Mosila; B. Radu

doi:10.4028/www.scientific.net/AMR.23.225

Paper Titles

Investigation of Acicular Ferrite Structure and Properties of C-Mn-Al-Ti-N Steels
p.209

Tubular Composite Material for Hardfacing Layers with Protection Appliance against Abrasive Wears
p.213

Factors that Influence the Adherence of Biovitroceramic Coatings on Titanium
p.217

Structural Morphology Transformations by Vacuum Oven Brazed Joints with Amorphous Alloys
p.221

Local Thermomechanical Treatment Regime for Friction Welded Joints from Dissimilar Nitrided-QT Steels
p.225

Finite Element Analysis of Thermal Stresses in Circumferential Cast Clasps of Removable Partial Dentures
p.229

Corrosion Inhibition of Zinc in KOH Solutions
p.233

Study of the Hydride Morphology in the CANDU Reactor Pressure Tube Modified by Heat Treatment
p.237

Researches Regarding the Structural and Mechanical Characteristics of the C-Mn Steel within the Specific Thermal Circuits
p.241

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Local Thermomechanical Treatment Regime for Friction Welded Joints from Dissimilar Nitrided-QT Steels

Abstract:

In this paper is revealed the structural transformations and diffusion processes that take place as a result of the local thermo-mechanical treatment regimes specific to friction welding of nitrided and not nitrided quenched and tempered steels. To obtain welded joints with good mechanical properties it is necessary to remove the nitrided layer from the contact surfaces.