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Finite element simulation of dislocation based plasticity and diffusion in multiphase materials at high temperature

A single-crystal plasticity model as well as a gradient crystal plasticity model are used to describe the creep behavior of directionally solidi?ed NiAl based eutectic alloys. To consider the transition from theoretical to bulk strength, a hardening model was introduced to describe the strength of t...

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Hovedforfatter: Albiez, Jürgen
Format: Online
Sprog:engelsk
Udgivet: KIT Scientific Publishing 2021
Fag:
T1-995
Crystal plasticity
Creep
Directional solidification
Gradient plasticity
Finite element simulation
Kriechen
Gerichtete Erstarrung
Finite Elemente Methode
Kristallplastizität
Gradientenplastizität
thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
Online adgang:35295
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Summary:A single-crystal plasticity model as well as a gradient crystal plasticity model are used to describe the creep behavior of directionally solidi?ed NiAl based eutectic alloys. To consider the transition from theoretical to bulk strength, a hardening model was introduced to describe the strength of the reinforcing phases. Moreover, to account for microstructural changes due to material ?ux, a coupled diffusional-mechanical simulation model was introduced.

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