Residual Life of Boiler Pressure Parts Made of the 13CrMo4-5 Steel after Long-Term Operation in a Creep Conditions

• Autorzy: Dziuba-Kałuża M. , Zieliński A. , Dobrzański J. , Sroka M. , Urbańczyk P. , Śliwa A.

Identyfikatory

DOI

10.24425/122419

• Języki publikacji: EN

Abstrakty

EN

This paper presents the method for determination of the time of further safe service for welded joints of boiler components after exceeding the design work time. The evaluation of the life of the parent material and its welded joints was performed. Microstructure investigations using a scanning electron microscope, investigations of strength properties, impact testing, hardness measurements and abridged creep tests of the basic material and welded joints were carried out. The investigations described in this paper allowed the time of further safe service of the examined components made of 13CrMo4-5 steel to be determined. The method for determination of the time of safe service of boiler components working under creep conditions allows their operation beyond the design service life. The obtained results of investigations are part of the materials database developed by the Institute for Ferrous Metallurgy.

Słowa kluczowe

EN

13CrMo4-5 steel; microstructure; residual life; welded joints; mechanical properties

• 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: 2018
• Tom: Vol. 63, iss. 2
• Strony: 889--897
• Opis fizyczny: Bibliogr. 30 poz., fot., rys., tab., wykr.

Twórcy

autor

Dziuba-Kałuża M.

• Institute for Ferrous Metallurgy, 44-100 Gliwice, Poland

autor

Zieliński A.

• Institute for Ferrous Metallurgy, 44-100 Gliwice, Poland

autor

Dobrzański J.

• Institute for Ferrous Metallurgy, 44-100 Gliwice, Poland

autor

Sroka M.

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

autor

Urbańczyk P.

• Office of Technical Inspection, Przybylaka 8, 41-300 Dąbrowa Górnicza, Poland

autor

Śliwa A.

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

Bibliografia

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Uwagi

EN

1. This publication was co-financed by the Ministry of Science and Higher Education of Poland as the statutory financial grant of the Faculty of Mechanical Engineering SUT. The published results were obtained as part of the research co-financed by the National Science Centre under contract no. PBS/B5/42/2015 – Project: “Methodology, assessment and forecast about the operation of welded joints in pressure elements of power boilers beyond the design work time”.

PL

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).