Search academic texts

Information × Registration Number 0201U008267, 0100U000872 , R & D reports Title The Influence of Preliminary Plastic Deformation on Diffusion Structure Formation in Iron Based Alloys under Nitrogen and Carbon Saturation. popup.stage_title Head Sydorenko Sergij Ivanovych, Доктор фізико-математичних наук Registration Date 28-12-2001 Organization National Technical University of Ukraine "KPI", Faculty of Physical Engineering popup.description2 The phase formation processes in the surface layers of preliminary deformed alloys Fe-1,3%Cr-0,6%Ti; Fe-2,2%Cr-2,2%Ti during nitrogen and carbon saturation were investigated. Also the structure, phase composition and properties of diffusion layers received under this technology were investigated. It was established that the influence of the preliminary plastic deformation (PPD) on diffusion layers formation considerably depends on composition of gas saturating medium containing nitrogen and carbon. The diffusion layers with optimal properties (maximum layer's depth and high microhardness ) were formed in Fe-Cr-Ti alloys after defined deformation (20-30%) in the mixture of 90% ammonia and 10% propane-butane. Carbonitride q-phase that has cementite's crystal lattice was formed after such treatment. Product Description popup.authors popup.nrat_date 2020-04-02 Close