Forecasting the Particle Diameter Size Distribution in P92 (X10CrWMoVNb9-2) Steel After Long-Term Ageing at 600 and 650°C

• Autorzy: Zieliński A. , Sroka M. , Miczka M. , Śliwa A.

Identyfikatory

DOI

10.1515/amm-2016-0128

• Języki publikacji: EN

Abstrakty

EN

The investigations on microstructure of P92 steel in the as-received condition and after 10⁵h ageing at 600 and 650°C were carried out. For the recorded images of microstructure, the quantitative analysis of precipitates was performed. On that basis, a statistical analysis of collected data was made with the aim of estimating parameters of selected theoretical statistical distribution. Then, the forecast for average precipitate diameter and standard deviation of such a distribution for the time of 1,5*10⁵h at 600 and 650°C was calculated. The obtained results of investigations confirm the possibility of using, in evaluation of degradation degree for materials in use, the forecasting methods derived from mathematical statistics, in particular the theory of stochastic processes and methods of forecasting by analogy.

Słowa kluczowe

EN

P92 steel; microstructure; precipitates; statistics; forecasting

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2016
• Tom: Vol. 61, iss. 2A
• Strony: 753--760
• Opis fizyczny: Bibliogr. 23 poz., rys.

Twórcy

autor

Zieliński A.

• Institute for Ferrous Metallurgy, Gliwice, Poland

autor

Sroka M.

• Silesian University of Technology, Institute of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, 18a Konarskiego Str., 44-100 Gliwice, Poland

autor

Miczka M.

• Institute for Ferrous Metallurgy, Gliwice, Poland

autor

Śliwa A.

• Silesian University of Technology, Institute of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, 18a Konarskiego Str., 44-100 Gliwice, Poland

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