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Sökning: WFRF:(Riedl R.) > (2020-2024) > Correlation between...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003641naa a2200457 4500
001oai:DiVA.org:uu-421888
003SwePub
008201026s2020 | |||||||||||000 ||eng|
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4218882 URI
0247 a https://doi.org/10.1016/j.surfcoat.2020.1262122 DOI
040 a (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Glechner, T.u TU Wien, Christian Doppler Lab Surface Engn High Performan, Vienna, Austria.4 aut
2451 0a Correlation between fracture characteristics and valence electron concentration of sputtered Hf-C-N based thin films
264 1b Elsevier BV,c 2020
338 a print2 rdacarrier
520 a Hard protective coating materials based on transition metal nitrides and carbides typically suffer from limited fracture tolerance. To further tune these properties non-metal alloying - substituting C with N - has been proven favorable for magnetron sputtered Hf-C-N based thin films. A theoretically predicted increase in valence electron concentration (from 8.0 to 9.0 e/f.u. from Hf-C to Hf-N) through nitrogen alloying lead to an increase in fracture toughness (K-IC obtained during in-situ SEM cantilever bending) from 1.89 +/- 0.15 to 2.33 +/- 0.18 MPa.m(1/2) for Hf0.43C0.57 to Hf0.35C0.30N0.35, respectively. The hardness remains close to the super-hard regime with values of 37.8 +/- 2.1 to 39.9 +/- 2.7 GPa for these specific compositions. Already the addition of small amounts of nitrogen, while sputtering a ceramic Hf-C target, leads to a drastic increase of nitrogen on the non-metallic sublattice for fcc single phased structured HfC1-xNx films, where x = N/(C + N). The here obtained results also provide experimental proof for the correlation between fracture characteristics and valence electron concentration.
650 7a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng
653 a Hf-C-N
653 a Fracture resistance
653 a Non-metal alloying
653 a Valence electron concentration
653 a Thermal stability
7001 a Lang, S.u TU Wien, Christian Doppler Lab Surface Engn High Performan, Vienna, Austria.4 aut
7001 a Hahn, R.u TU Wien, Christian Doppler Lab Surface Engn High Performan, Vienna, Austria.4 aut
7001 a Alfreider, M.u Univ Leoben, Dept Mat Sci, Leoben, Austria.4 aut
7001 a Moraes, Vu TU Wien, Inst Mat Sci & Technol, A-1060 Vienna, Austria.4 aut
7001 a Primetzhofer, Danielu Uppsala universitet,Tillämpad kärnfysik4 aut0 (Swepub:uu)danpr521
7001 a Ramm, J.u Oerlikon Surface Solut AG, Oerlikon Balzers, FL-9496 Balzers, Liechtenstein.4 aut
7001 a Kolozsvari, S.u Plansee Composite Mat GmbH, D-86983 Lechbruck, Germany.4 aut
7001 a Kiener, D.u Univ Leoben, Dept Mat Sci, Leoben, Austria.4 aut
7001 a Riedl, H.u TU Wien, Christian Doppler Lab Surface Engn High Performan, Vienna, Austria.;TU Wien, Inst Mat Sci & Technol, A-1060 Vienna, Austria.4 aut
7102 a TU Wien, Christian Doppler Lab Surface Engn High Performan, Vienna, Austria.b Univ Leoben, Dept Mat Sci, Leoben, Austria.4 org
7730 t Surface & Coatings Technologyd : Elsevier BVg 399q 399x 0257-8972x 1879-3347
8564 u https://doi.org/10.1016/j.surfcoat.2020.126212
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-421888
8564 8u https://doi.org/10.1016/j.surfcoat.2020.126212

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