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Crystallization of ...
Crystallization of a Zr-based metallic glass produced by laser powder bed fusion and suction casting
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- Ericsson, A. (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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- Pacheco, Victor (författare)
- Uppsala University,Uppsala universitet,Oorganisk kemi
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- Marattukalam, Jithin J. (författare)
- Uppsala University,Uppsala universitet,Materialfysik
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- Dalgliesh, R. M. (författare)
- ISIS Pulsed Neutron and Muon Source, Science and Technology Facilities Council, Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Didcot OX11 0QX, UK
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- Rennie, Adrian R., 1957- (författare)
- Uppsala University,Uppsala universitet,Institutionen för fysik och astronomi,Centre for Neutron Scattering
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- Fisk, Martin, 1981- (författare)
- Malmö University,Lund University,Lunds universitet,Malmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM),Division of Solid Mechanics, Lund University, PO Box 118, Lund, SE 22100, 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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- Sahlberg, Martin, 1981- (författare)
- Uppsala University,Uppsala universitet,Oorganisk kemi
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(creator_code:org_t)
- Elsevier, 2021
- 2021
- Engelska.
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Ingår i: Journal of Non-Crystalline Solids. - : Elsevier. - 0022-3093 .- 1873-4812. ; 571
- Relaterad länk:
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Abstract
Ämnesord
Stäng
- The crystallization behaviour during low temperature annealing of samples of the Zr59.3Cu28.8Al10.4Nb1.5 (at%) bulk metallic glass produced by suction casting and the laser powder bed fusion (LPBF) process were studied with small angle neutron scattering (SANS), X-ray diffraction and scanning electron microscopy. The in-situ SANS measurements during isothermal annealing reveals that the phase separation in the LPBF processed material proceeds at a smaller characteristic length-scale than the cast material. Quantitative analysis of the SANS data shows that, while the crystallization process in both materials proceed through rapid nucleation followed by diffusion limited growth, the LPBF processed material crystallizes with a smaller cluster size and at a higher rate. The smaller cluster size is attributed to the elevated oxygen content in the LPBF processed material which reduces the nucleation barrier and thus the thermal stability.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
Nyckelord
- Additive manufacturing
- AMZ4
- Crystallization
- Oxygen
- Small angle scattering
- 3D printers
- Aluminum alloys
- Cluster analysis
- Copper alloys
- Glass
- Metallic glass
- Neutron scattering
- Niobium alloys
- Nucleation
- Phase separation
- Scanning electron microscopy
- Temperature
- Zircaloy
- Cluster sizes
- Laser powders
- Powder bed
- Processed materials
- Small clusters
- Small-angle neutron scattering
- Small-angle scattering
- Suction casting
- Additive manufacturing
- AMZ4
- Crystallization
- Oxygen
- Small angle scattering
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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