2D computational modelling of thermo-mechanical behaviour of TiAl based alloys during application.
Kanyane, L.R. Raji, S.A. Popoola, A.P.I. Pityana, S.L. Tlotleng, M.
Kanyane, L.R.
Raji, S.A.
Popoola, A.P.I.
Pityana, S.L.
Tlotleng, M.
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Abstract
The paper aims to study the thermo-mechanical analysis of a two-dimensional (2D) convex structural design sensitivity for typical engineering component application. COMSOL Multiphysics 5.3a was used to analyze the stress distribution, displacement along with thermal distribution of the component during high temperature application. The computational model incorporate two physics of solid mechanics and heat transfer in solids. A fine mesh size was applied on the component geometry which gives a high accuracy of the simulation results. The computational model results showed minimal displacement (12.14 104 m) of the Ti4822 alloy modelled under high temperature application. The model results also presented maximum stress concentration of 1.83 108 N/m2. A future paper will address 3D design sensitivity analysis in linear structural problems of titanium aluminide alloys during application.
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Date
2022-02-22
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Publisher
Elsevier Ltd.
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Keywords
COMSOL multiphysics, Thermo-mechanical effects, Stress distribution analysis, Ti4822 alloy, Modelling and simulation