Kinetic Parameters-Analysis and Prognosis Items of the Nitriding Process
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COJOCARU, Mihai Ovidiu, CIUCA, Ion, DRUGA, Leontin, COSMELEATA, Georgeta. Kinetic Parameters-Analysis and Prognosis Items of the Nitriding Process . In: Электронная обработка материалов, 2009, nr. 2(45), pp. 61-66. ISSN 0013-5739.
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Электронная обработка материалов
Numărul 2(45) / 2009 / ISSN 0013-5739 /ISSNe 2345-1718

Kinetic Parameters-Analysis and Prognosis Items of the Nitriding Process

Pag. 61-66

Cojocaru Mihai Ovidiu, Ciuca Ion, Druga Leontin, Cosmeleata Georgeta
 
University Politehnica of Bucharest
 
Disponibil în IBN: 7 aprilie 2017


Rezumat

The lack of practical information regarding the kinetics of a thermal process can be compensated by estimating the kinetic parameters of the process. Using the methodology imposed by Baram, as well as to one resulted form the use of the solution to the Fick’s differential equation, through a minimum number of experiences, can be obtained sufficient information to estimate the process’ average speed, its activation energy, the diffusion coefficient, etc., and forecast the saturation effects in conditions different from those used for experiments to obtain preliminary information. This paper presents the experimental results obtained during the nitriding of pure technical iron and respectively of a nitraloy type alloyed steel for improvement, regarding the kinetic of the nitrided layers’ growth and starting from this results, the calculated values of the of the kinetic parameters, respectively the forecasted values of the kinetics in conditions different from those effectively used during experiments.