Primary Creep Behaviour of Two-Phase Titanium Alloy with Various Microstructure

• Autorzy: Ziaja W. , Motyka M. , Kubiak K. , Sieniawski J.

Identyfikatory

DOI

10.1515/amm-2016-0116

• Języki publikacji: EN

Abstrakty

EN

Creep and fatigue properties of two-phase titanium alloys show strong dependence on microstructure, especially morphology of the α and β phases which can be controlled to certain extent by proper selection of hot working and heat treatment conditions. In the paper the creep behaviour of Ti-6Al-2Mo-2Cr alloy (VT3-1) at elevated temperature was modelled. Finite element analyses of primary creep stage were carried out taking into account some microstructural features of the two-phase alloy that were included in the physical model and different properties of α and β phases. In order to verify results of calculations distinct types of microstructure were developed in the alloy by heat treatment and creep tests were carried out at elevated temperature (450°C) at various stress levels. Based on the FEM simulations the effect of changes of some microstructure features on primary creep strain development was estimated.

Słowa kluczowe

EN

two-phase titanium alloys; microstructure; finite element method; primary creep

• 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: 683--688
• Opis fizyczny: Bibliogr. 20 poz., rys.

Twórcy

autor

Ziaja W.

• Rzeszow University of Technology, Department of Materials Science, 12 Powstańców Warszawy Av., 35-959 Rzeszow, Poland

autor

Motyka M.

• Rzeszow University of Technology, Department of Materials Science, 12 Powstańców Warszawy Av., 35-959 Rzeszow, Poland

autor

Kubiak K.

• Rzeszow University of Technology, Department of Materials Science, 12 Powstańców Warszawy Av., 35-959 Rzeszow, Poland

autor

Sieniawski J.

• Rzeszow University of Technology, Department of Materials Science, 12 Powstańców Warszawy Av., 35-959 Rzeszow, Poland

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