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Forecast the formation of nitrides on the surface of titanium alloys during nitriding in a glow discharge

Pastukh I. M., Mashovets N. S., Shalapko Y. I., Kurskaja V. A.

Journal of Achievements in Materials and Manufacturing Engineering

2014

Vol. 62, nr 2

53--62

Purpose: This article is devoted to methods for predicting the results of surface modification of titanium alloys in glow discharge nitriding. With this advantage, it is given to the analytical criteria as the most appropriate for design automation of processes processing. Design/methodology/approach: The methodology is the position that the nitriding process is a combination of several competing processes leading to the formation of both nitrides, nitrogen diffusion into the depth of the surface and to spray it. The main principle of assessing the intensity of each of them is that each elementary process is the most successful in the case when it created for optimal energy conditions. Findings: Developed a system of analytical criteria - relative energy factors, which qualitatively and adequately reflect the real processes of nitriding of titanium alloys in a glow discharge. Compliance with these indicators were tested in experimental treatment of samples resulting in an energy generating process model. Practical implications: The results were primarily used for computer-aided design modification processes, the optimal choice of the technological nitriding mode, the basis for the software control systems equipment for the processing of titanium alloys. Originality/value: The proposed energy model for the nitriding process in a glow discharge has no current analogues in the world.

Badanie organizacji domowej przestrzeni roboczej młodzieży do pracy z komputerem

Musioł T., Duszyńska D.

Journal of Ecology and Health

2010

R. 14, nr 5

246-253

W artykule przedstawiono wyniki badań organizacji domowej przestrzeni roboczej do pracy z komputerem. Badania dotyczyły młodzieży szkolnej w wieku od 17 do 18 lat uczącej się w Zespole Szkół Administracyjno-Socjalnych w Bytomiu i były przeprowadzane we wrześniu 2009 r. Do badań zastosowano socjometryczne narzędzie w postaci autorskiej ankiety w formie kryterialnego kwestionariusza w układzie matrycowym. Interpretacji wyników dokonano metodą rangowania średnich ważonych z odpowiedzi na poszczególne kryteria analityczne i cząstkowe.

The article presents the results of the organization of domestic work space to work with your computer. The study involved adolescents aged 17 to 18 years studying in Administration-Social School Complex Bytom and were conducted in September 2009 to research is used sociometric tool. Sociometric tool was in the form ofauthors matrix questionnaire. Interpretation of the results was made by method of grading to the analytic criteria and the partial criterion.