Thermomechanical States in Arc Weld Surfaced Steel Elements

• Autorzy: Winczek J. , Skrzypczak T.

Identyfikatory

DOI

10.1515/amm-2016-0264

• Języki publikacji: EN

Abstrakty

EN

Kinetics of phase transformations during heating is limited by temperature values at the beginning and at the end of austenitic transformation, while the progress of phase transformations during cooling is determined on the basis of TTT-welding diagram and Johnson-Mehl-Avrami and Kolomogorov law for diffusive transformations and Koistinen-Marburger for martensitic transformation. Stress state of a bar subjected to thermo-mechanical loads is described assuming the plane cross section hypothesis and using integral equations of stress equilibrium of a bar as well as simple Hook’s law. Stresses in the elastic-plastic state are determined by iteration using solutions with a variable elastic modulus of elasticity, conditioned by tensile curves. Dependence of stresses on strains is assumed on the basis of tensile curves of particular structures, taking into account the influence of temperature. There were performed calculations of the temperature field, phase transformations, strains and stresses for GMAW surfacing of a cuboid element made of S235 steel. Authors’ programs, made in Borland Delphi, were used for calculations.

Słowa kluczowe

EN

temperature field; phase transformation; Gas Metal Arc Weld surfacing

• 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. 3
• Strony: 1623--1634
• Opis fizyczny: Bibliogr. 38 poz., rys., tab., wykr., wzory

Twórcy

autor

Winczek J.

• Czestochowa University of Technology, Faculty of Mechanical Engineering and Computer Science, 42-201 Czestochowa, 21 Armii Krajowej Str., Poland

autor

Skrzypczak T.

• Czestochowa University of Technology, Faculty of Mechanical Engineering and Computer Science, 42-201 Czestochowa, 21 Armii Krajowej Str., Poland

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