Microstructure-sensitive modelling of deformation and fracture of TiAI alloys Mohammad Rizviul Kabir Experimental and Numerical Methods Institute of Materials Research German Aerospace Center Cologne, Germany Phone: +49 2203 601 2481 Email: Mohammad-ri zvi ul. kabir@d lr.de (BY .f!C.f!D) By Am 1 bUllon - llon-<:ommercial - No Deriv• liws pennft any comm„dal use « derlvatlvttof1 he Werkstoff-Kolloquium DLR Köln 05.12.2017
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Microstructure-sensitive modelling of deformation and fracture of TiAI alloys
Mohammad Rizviul Kabir
Experimental and Numerical Methods
Institute of Materials Research German Aerospace Center
Cologne, Germany Phone: +49 2203 601 2481 Email: Mohammad-rizvi [email protected]
(BY .f!C.f!D) By Am1bUllon - llon-
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DLR.de • Chart2 »MR Kobir • Wf.Koll > S.12.2017
TiAI for turbine blade: Requirement and goal
/ ' Modelling for
microstructure-property correlations
Low pressure turbine blade
1.-----..>
Simulation Assisted Material
Engineering
DNeed for improvements in mechanical Properties:
OStrength at high temperature OCreep resistance ODuctility OFatigue strength OFracture toughness
D Can be improved by Microstructure optimization
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DLR.de • Chart 3 »MR Kobir • Wf.Koll > S.12.2017
Outline: Modelling of TiAI alloy behaviour considering microstructure sensitivity
Three problem areas will be demonstrated
Modelling of deformation behaviour
Modelling of crack initiation and propagation
Modelling of dynamic fracture
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