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Temperature and Mic...
Temperature and Microstructure Evolution in Gas Tungsten Arc Welding Wire Feed Additive Manufacturing of Ti-6Al-4V
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- Charles Murgau, Corinne (author)
- Högskolan Väst,Avdelningen för svetsteknologi (SV),PTW
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- Lundbäck, Andreas (author)
- Luleå tekniska universitet,Material- och solidmekanik,Division of Mechanics of Solid Materials, Luleå University of Technology, 971 81 Luleå, Sweden
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- Åkerfeldt, Pia (author)
- Luleå tekniska universitet,Materialvetenskap,Division of Materials Science, Luleå University of Technology, 971 81 Luleå, Sweden
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- Pederson, Robert (author)
- Department of Engineering Science, University West, Trollhättan, Sweden. GKN Aerospace Engine Systems, Trollhättan, Sweden,GKN Aerospace Engine Systems, 461 81 Trollhättan, Sweden
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(creator_code:org_t)
- 2019-10-28
- 2019
- English.
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In: Materials. - : MDPI. - 1996-1944. ; 12:21
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https://doi.org/10.3...
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Abstract
Subject headings
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- 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 headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
Keyword
- additive manufacturing
- titanium
- Ti-6Al-4V
- microstructural modeling
- metal deposition
- finite element method
- Material Mechanics
- Materialmekanik
- Materialteknik
- Engineering Materials
- Produktions- och materialteknik
- Production Technology
Publication and Content Type
- ref (subject category)
- art (subject category)
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