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The influence of stainless steels microstructure evolution on the mechanical properties of pressure installation elements

Abstrakt

In this paper results of FEM analysis performed for pipe and 90o elbow, made of super duplex stainless steel, after precipitation of sigma phase (s), were presented. Heat treatment conditions simulate accidental overheating that can occur in nuclear installations after cooling circulation fails. For initial and modified microstructure tensile test was performed and numerical description of work hardening curves was done. Verification of FEM results was performed on the basis of empirical equations describing circumferential stresses in pipe. Stress distribution and deformation in both geometries reveals areas with highest risk of damage in pressure installation.

Informacje szczegółowe

Kategoria:
Aktywność konferencyjna
Typ:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Tytuł wydania:
20th International Conference on Computer Methods in Mechanics strony 435 - 436
Język:
angielski
Rok wydania:
2013
Opis bibliograficzny:
Jaskólski M., Kaczmarek-Kacprzak A.: The influence of stainless steels microstructure evolution on the mechanical properties of pressure installation elements// 20th International Conference on Computer Methods in Mechanics/ ed. Institute of Structural Engineering, Poznan University of Technology Poznań: A.R. COMPRINT, 2013, s.435-436
Weryfikacja:
Politechnika Gdańska

wyświetlono 13 razy

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