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Search: WFRF:(Riedl R.) > (2020-2024) > Unraveling the supe...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003955naa a2200493 4500
001oai:DiVA.org:uu-508166
003SwePub
008230821s2023 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5081662 URI
024a https://doi.org/10.1016/j.scriptamat.2023.1155992 DOI
040 a (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Hahn, R.u TU Wien, Christian Doppler Lab Surface Engn High Performan, Getreidemarkt 9, A-1060 Vienna, Austria.4 aut
2451 0a Unraveling the superlattice effect for hexagonal transition metal diboride coatings
264 1b Elsevier,c 2023
338 a electronic2 rdacarrier
520 a Superlattice structures enable the simultaneous enhancement in hardness (H) and fracture toughness (KIC) of ceramic-like coatings. While a deeper understanding of this effect has been gained for fcc-structured transition metal nitrides (TMN), hardly any knowledge is available for hexagonal diborides (TMB2). Here we show that superlattices can-similarly to nitrides-increase the hardness and toughness of diboride films. For this purpose, we deposited TiB2/WB2 and TiB2/ZrB2 superlattices with different bilayer periods (?) by non-reactive sputtering. Nanoindentation and in-situ microcantilever bending tests yield a distinct H peak for the TiB2/WB2 system (45.5 & PLUSMN; 1.3 GPa for ? = 6 nm) but no increase in KIC related to a difference in shear moduli (112 GPa). Contrary, the TiB2/ZrB2 system shows no peak in H, but for KIC with 3.70 & PLUSMN; 0.26 MPa & BULL;m1/2 at ? = 4 nm originating from differences in lattice spacing (0.14 & ANGS;), hence causing coherent stresses retarding crack growth.
650 7a NATURVETENSKAPx Kemix Oorganisk kemi0 (SwePub)104042 hsv//swe
650 7a NATURAL SCIENCESx Chemical Sciencesx Inorganic Chemistry0 (SwePub)104042 hsv//eng
650 7a TEKNIK OCH TEKNOLOGIERx Materialteknikx Annan materialteknik0 (SwePub)205992 hsv//swe
650 7a ENGINEERING AND TECHNOLOGYx Materials Engineeringx Other Materials Engineering0 (SwePub)205992 hsv//eng
653 a Physical vapor deposition
653 a Fracture toughness
653 a Micromechanical testing
653 a Diboride coatings
653 a Superlattice
700a Tymoszuk, A. A.u TU Wien, Christian Doppler Lab Surface Engn High Performan, Getreidemarkt 9, A-1060 Vienna, Austria.4 aut
700a Wojcik, T.u TU Wien, Christian Doppler Lab Surface Engn High Performan, Getreidemarkt 9, A-1060 Vienna, Austria.4 aut
700a Ntemou, Eleniu Uppsala universitet,Tillämpad kärnfysik4 aut0 (Swepub:uu)elent817
700a Hunold, O.u Oerlikon Surface Solut AG, Oerlikon Balzers, FL-9496 Balzers, Liechtenstein.4 aut
700a Polcik, P.u Plansee Composite Mat GmbH, D-86983 Lechbruck, Germany.4 aut
700a Kolozsvari, S.u Plansee Composite Mat GmbH, D-86983 Lechbruck, Germany.4 aut
700a Primetzhofer, Danielu Uppsala universitet,Tillämpad kärnfysik4 aut0 (Swepub:uu)danpr521
700a Mayrhofer, P. H.u TU Wien, Inst Mat Sci & Technol, A-1060 Vienna, Austria.4 aut
700a Riedl, H.u TU Wien, Christian Doppler Lab Surface Engn High Performan, Getreidemarkt 9, A-1060 Vienna, Austria.;TU Wien, Inst Mat Sci & Technol, A-1060 Vienna, Austria.4 aut
710a TU Wien, Christian Doppler Lab Surface Engn High Performan, Getreidemarkt 9, A-1060 Vienna, Austria.b Tillämpad kärnfysik4 org
773t Scripta Materialiad : Elsevierg 235q 235x 1359-6462x 1872-8456
856u https://doi.org/10.1016/j.scriptamat.2023.115599y Fulltext
856u https://uu.diva-portal.org/smash/get/diva2:1789946/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-508166
8564 8u https://doi.org/10.1016/j.scriptamat.2023.115599

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