Temperature and Microstructure Evolution in Gas Tungsten Arc Welding Wire Feed Additive Manufacturing of Ti-6Al-4V
Document identifier: oai:DiVA.org:ltu-76788
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10.3390/ma12213534Keyword: Engineering and Technology,
Materials Engineering,
Other Materials Engineering,
Teknik och teknologier,
Materialteknik,
Annan materialteknik,
Additive manufacturing,
Titanium,
Ti-6Al-4V,
Microstructural modeling,
Metal deposition,
Finite element method,
Material Mechanics,
Materialmekanik,
Engineering MaterialsPublication year: 2019Relevant Sustainable Development Goals (SDGs):
The SDG label(s) above have been assigned by OSDG.aiAbstract: In the present study, the gas tungsten arc welding wire feed additive manufacturing process is simulated and its final microstructure predicted by microstructural modelling, which is validated by microstructural characterization. The Finite Element Method is used to solve the temperature field and microstructural evolution during a gas tungsten arc welding wire feed additive manufacturing process. The microstructure of titanium alloy Ti-6Al-4V is computed based on the temperature evolution in a density-based approach and coupled to a model that predicts the thickness of the α lath morphology. The work presented herein includes the first coupling of the process simulation and microstructural modelling, which have been studied separately in previous work by the authors. In addition, the results from simulations are presented and validated with qualitative and quantitative microstructural analyses. The coupling of the process simulation and microstructural modeling indicate promising results, since the microstructural analysis shows good agreement with the predicted alpha lath size.
Authors
Corinne Charles Murgau
Department of Engineering Science, University West, Trollhättan, Sweden
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Andreas Lundbäck
Luleå tekniska universitet; Material- och solidmekanik
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>>
Pia Åkerfeldt
Luleå tekniska universitet; Materialvetenskap
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>>
Robert Pederson
Department of Engineering Science, University West, Trollhättan, Sweden. GKN Aerospace Engine Systems, Trollhättan, Sweden
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identifier: oai:DiVA.org:ltu-76788
datestamp: 2021-04-19T12:40:36Z
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10.3390/ma12213534
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titleInfo:
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lang: eng
title: Temperature and Microstructure Evolution in Gas Tungsten Arc Welding Wire Feed Additive Manufacturing of Ti-6Al-4V
abstract: In the present study the gas tungsten arc welding wire feed additive manufacturing process is simulated and its final microstructure predicted by microstructural modelling which is validated by microstructural characterization. The Finite Element Method is used to solve the temperature field and microstructural evolution during a gas tungsten arc welding wire feed additive manufacturing process. The microstructure of titanium alloy Ti-6Al-4V is computed based on the temperature evolution in a density-based approach and coupled to a model that predicts the thickness of the α lath morphology. The work presented herein includes the first coupling of the process simulation and microstructural modelling which have been studied separately in previous work by the authors. In addition the results from simulations are presented and validated with qualitative and quantitative microstructural analyses. The coupling of the process simulation and microstructural modeling indicate promising results since the microstructural analysis shows good agreement with the predicted alpha lath size.
subject:
@attributes:
lang: eng
authority: uka.se
topic:
Engineering and Technology
Materials Engineering
Other Materials Engineering
@attributes:
lang: swe
authority: uka.se
topic:
Teknik och teknologier
Materialteknik
Annan materialteknik
@attributes:
lang: eng
topic: additive manufacturing
@attributes:
lang: eng
topic: titanium
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lang: eng
topic: Ti-6Al-4V
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lang: eng
topic: microstructural modeling
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lang: eng
topic: metal deposition
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lang: eng
topic: finite element method
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lang: eng
authority: ltu
topic: Material Mechanics
genre: Research subject
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lang: swe
authority: ltu
topic: Materialmekanik
genre: Research subject
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lang: eng
authority: ltu
topic: Engineering Materials
genre: Research subject
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lang: swe
authority: ltu
topic: Materialteknik
genre: Research subject
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publication/journal-article
ref
note:
Published
4
Validerad;2019;Nivå 2;2019-11-20 (johcin)
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Murgau
Corinne Charles
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affiliation: Department of Engineering Science University West Trollhättan Sweden
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Lundbäck
Andreas
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Luleå tekniska universitet
Material- och solidmekanik
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0000-0002-0053-5537
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Åkerfeldt
Pia
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Luleå tekniska universitet
Materialvetenskap
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Pederson
Robert
role:
roleTerm: aut
affiliation: Department of Engineering Science University West Trollhättan Sweden. GKN Aerospace Engine Systems Trollhättan Sweden
originInfo:
dateIssued: 2019
publisher: MDPI
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titleInfo:
title: Materials
identifier:
1996-1944
1996-1944
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type: volume
number: 12
@attributes:
type: issue
number: 21
@attributes:
type: artNo
number: 3534
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form: print
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