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Influence of ion ir...
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Holzapfel, Damian M.Rhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.,Materials Chemistry, RWTH Aachen University, Kopernikusstr. 10, DE-52074 Aachen, Germany
(författare)
Influence of ion irradiation-induced defects on phase formation and thermal stability of Ti0.27Al0.21N0.52 coatings
- Artikel/kapitelEngelska2022
Förlag, utgivningsår, omfång ...
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Elsevier,2022
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:uu-483910
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-483910URI
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https://doi.org/10.1016/j.actamat.2022.118160DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-53927URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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Title in Web of Science: Influence of ion irradiation-induced defects on phase formation and thermal stability of Ti0.27Al0.21 N (0.52) coatings
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The influence of changes induced by ion irradiation on structure and thermal stability of metastable cubic (Ti,Al)N coatings deposited by cathodic arc evaporation is systematically investigated by correlating experiments and theory. Decreasing the nitrogen deposition pressure from 5.0 to 0.5 Pa results in an ion flux-enhancement by a factor of three and an increase of the average ion energy from 15 to 30 eV, causing the stress-free lattice parameter to expand from 4.170 to 4.206 Å, while the chemical composition of Ti0.27Al0.21N0.52 remains unchanged. The 0.9% lattice parameter increase is a consequence of formation of Frenkel pairs induced by ion bombardment, as revealed by density functional theory (DFT) simulations. The influence of the presence of Frenkel pairs on the thermal stability of metastable Ti0.27Al0.21N0.52 is investigated by scanning transmission electron microscopy, differential scanning calorimetry, atom probe tomography and in-situ synchrotron X-ray powder diffraction. It is demonstrated that the ion flux and ion energy induced formation of Frenkel pairs increases the thermal stability as the Al diffusion enabled crystallization of the wurtzite solid solution is retarded. This can be rationalized by DFT predictions since the presence of Frenkel pairs increases the activation energy for Al diffusion by up to 142%. Hence, the thermal stability enhancement is caused by a hitherto unreported mechanism - the Frenkel pair impeded Al mobility and thereby retarded formation of wurtzite solid solution.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Music, DenisMalmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM),Materials Chemistry, RWTH Aachen University, Kopernikusstr. 10, DE-52074 Aachen, Germany,Materials Science,Rhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.;Malmö Univ, Dept Mat Sci & Appl Math, S-20506 Malmö, Sweden.(Swepub:mau)al3932
(författare)
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Mráz, StanislavRhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.,Materials Chemistry, RWTH Aachen University, Kopernikusstr. 10, DE-52074 Aachen, Germany
(författare)
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Karimi Aghda, SoheilRhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.,Materials Chemistry, RWTH Aachen University, Kopernikusstr. 10, DE-52074 Aachen, Germany
(författare)
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Etter, MartinDeutsches Elektronen-Synchrotron DESY, Notkestr. 85, DE-22607 Hamburg, Germany
(författare)
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Ondracka, PavelRhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.,Materials Chemistry, RWTH Aachen University, Kopernikusstr. 10, DE-52074 Aachen, Germany
(författare)
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Hans, MarcusRhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.,Materials Chemistry, RWTH Aachen University, Kopernikusstr. 10, DE-52074 Aachen, Germany
(författare)
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Bogdanovski, DimitriRhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.,Materials Chemistry, RWTH Aachen University, Kopernikusstr. 10, DE-52074 Aachen, Germany
(författare)
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Evertz, SimonRhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.;Max Planck Inst Eisenforschung GmbH, Struct & Nano Micromech Mat, Max Planck Str 1, D-40237 Dusseldorf, Germany.,Materials Chemistry, RWTH Aachen University, Kopernikusstr. 10, DE-52074 Aachen, Germany
(författare)
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Patterer, LenaRhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.,Materials Chemistry, RWTH Aachen University, Kopernikusstr. 10, DE-52074 Aachen, Germany
(författare)
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Schmidt, PaulRhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.,Materials Chemistry, RWTH Aachen University, Kopernikusstr. 10, DE-52074 Aachen, Germany
(författare)
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Schökel, AlexanderDeutsches Elektronen-Synchrotron DESY, Notkestr. 85, DE-22607 Hamburg, Germany
(författare)
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Eriksson, Anders O.Oerlikon Surface Solut AG, Oerlikon Balzers, Iramali 18, FL-9496 Balzers, Liechtenstein.,Oerlikon Balzers, Oerlikon Surface Solutions AG, Iramali 18, LI-9496 Balzers, Liechtenstein
(författare)
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Arndt, MirjamOerlikon Balzers Coating Germany GmbH, Hohe Flum Str 22, D-79650 Schopfheim, Germany.,Oerlikon Balzers Coating Germany GmbH, Hohe-Flum-Straße 22, DE-79650 Schopfheim, Germany
(författare)
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Primetzhofer, DanielUppsala universitet,Tillämpad kärnfysik,Department of Physics and Astronomy, Uppsala University, Lägerhyddsvägen 1, SE-75120 Uppsala, Sweden(Swepub:uu)danpr521
(författare)
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Schneider, Jochen M.Rhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.,Materials Chemistry, RWTH Aachen University, Kopernikusstr. 10, DE-52074 Aachen, Germany
(författare)
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Rhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.Materials Chemistry, RWTH Aachen University, Kopernikusstr. 10, DE-52074 Aachen, Germany
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Acta Materialia: Elsevier2371359-64541873-2453
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Holzapfel, Damia ...
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Music, Denis
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Mráz, Stanislav
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Etter, Martin
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Ondracka, Pavel
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Hans, Marcus
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Evertz, Simon
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Patterer, Lena
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Schmidt, Paul
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Schökel, Alexand ...
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Eriksson, Anders ...
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Arndt, Mirjam
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