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Simulation of phase...
Simulation of phase evolution in a Zr-based glass forming alloy during multiple laser remelting
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- Lindwall, Johan (författare)
- Luleå University of Technology,Luleå tekniska universitet,Hållfasthetslära,Lulea Univ Technol, Dept Engn Sci & Math, SE-97187 Lulea, Sweden.
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- Ericsson, Anders (författare)
- Lund University,Lunds universitet,Hållfasthetslära,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Solid Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Marattukalam, Jithin James (författare)
- Uppsala University,Uppsala universitet,Institutionen för fysik och astronomi
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- Hassila, Carl Johan (författare)
- Uppsala University,Uppsala universitet,Tillämpad materialvetenskap
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- Karlsson, Dennis (författare)
- Uppsala University,Uppsala universitet,Institutionen för kemi - Ångström,Sandvik Mat Technol, SE-81181 Sandviken, Sweden.,Sandvik Materials Technology
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- Sahlberg, Martin, 1981- (författare)
- Uppsala University,Uppsala universitet,Oorganisk kemi
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- Fisk, Martin, 1981- (författare)
- Malmö University,Lund University,Lunds universitet,Malmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM),Lund Univ, Div Solid Mech, Box 118, SE-22100 Lund, Sweden.;Malmö Univ, Mat Sci & Appl Math, SE-20506 Malmö, Sweden.,Division of Solid Mechanics, Lund University, Box 118, SE-221 00, Lund, Sweden; Materials Science and Applied Mathematics, Malmö University, SE-205 06, Malmö, Sweden,Hållfasthetslära,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Solid Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Lundbäck, Andreas (författare)
- Luleå University of Technology,Luleå tekniska universitet,Hållfasthetslära,Lulea Univ Technol, Dept Engn Sci & Math, SE-97187 Lulea, Sweden.
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(creator_code:org_t)
- Elsevier, 2022
- 2022
- Engelska.
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Ingår i: Journal of Materials Research and Technology. - : Elsevier. - 2238-7854 .- 2214-0697. ; 16, s. 1165-1178
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Abstract
Ämnesord
Stäng
- Additive manufacturing by laser-based powder bed fusion is a promising technique for bulk metallic glass production. But, reheating by deposition of subsequent layers may cause local crystallisation of the alloy. To investigate the crystalline phase evolution during laser scanning of a Zr-based metallic glass-forming alloy, a simulation strategy based on the finite element method and the classical nucleation theory has been developed and compared with experimental results from multiple laser remelting of a single-track. Multiple laser remelting of a single-track demonstrates the crystallisation behaviour by the influence of thermal history in the reheated material. Scanning electron microscopy and transmission electron microscopy reveals the crystalline phase evolution in the heat affected zone after each laser scan. A trend can be observed where repeated remelting results in an increased crystalline volume fraction with larger crystals in the heat affected zone, both in simulation and experiment. A gradient of cluster number density and mean radius can also be predicted by the model, with good correlation to the experiments. Prediction of crystallisation, as presented in this work, can be a useful tool to aid the development of process parameters during additive manufacturing for bulk metallic glass formation.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Nyckelord
- Additives
- Glass
- Heat affected zone
- High resolution transmission electron microscopy
- Laser heating
- Laser theory
- Metals
- Nucleation
- Scanning electron microscopy
- Zircaloy
- (metallic) glass
- Classical nucleation theory
- Growth theory
- Laser-based
- Multiple lasers
- Nucleation and growth
- Phase evolutions
- Phase transformation modelling
- Powder bed
- Simulation of laser-based powder bed fusion
- Metallic glass
- Hållfasthetslära
- Solid Mechanics
- Classical nucleation and growth theory
- Metallic glass
- Phase transformation modelling
- Simulation of laser-based powder bed fusion
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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