Sökning: onr:"swepub:oai:DiVA.org:mau-62921" >
Enhanced thermal st...
Enhanced thermal stability of (Ti,Al)N coatings by oxygen incorporation
-
- Holzapfel, Damian M. (författare)
- Rhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.
-
- Music, Denis (författare)
- Malmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM),Malmö Univ, Dept Mat Sci & Appl Math, S-20506 Malmö, Sweden.
-
- Hans, Marcus (författare)
- Rhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.
-
visa fler...
-
- Wolff-Goodrich, Silas (författare)
- Max Planck Inst Eisenforsch GmbH, Max Planck Str 1, D-40237 Dusseldorf, Germany.
-
- Holec, David (författare)
- Univ Leoben, Dept Mat Sci, A-8700 Leoben, Austria.
-
- Bogdanovski, Dimitri (författare)
- Rhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.
-
- Arndt, Mirjam (författare)
- Oerlikon Balzers Coating Germany GmbH, Hohe Hum Str 22, D-79650 Schopfheim, Germany.
-
- Eriksson, Anders O. (författare)
- Oerlikon Surface Solut AG, Oerlikon Balzers, Iramali 18, LI-9496 Balzers, Liechtenstein.
-
- Yalamanchili, Kumar (författare)
- Oerlikon Surface Solut AG, Oerlikon Balzers, Iramali 18, LI-9496 Balzers, Liechtenstein.
-
- Primetzhofer, Daniel (författare)
- Uppsala universitet,Tillämpad kärnfysik
-
- Liebscher, Christian H. (författare)
- Max Planck Inst Eisenforsch GmbH, Max Planck Str 1, D-40237 Dusseldorf, Germany.
-
- Schneider, Jochen M. (författare)
- Rhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany.
-
visa färre...
-
Rhein Westfal TH Aachen, Mat Chem, Kopernikusstr 10, D-52074 Aachen, Germany Institutionen för materialvetenskap och tillämpad matematik (MTM) (creator_code:org_t)
- Elsevier, 2021
- 2021
- Engelska.
-
Ingår i: Acta Materialia. - : Elsevier. - 1359-6454 .- 1873-2453. ; 218
- Relaterad länk:
-
https://urn.kb.se/re...
-
visa fler...
-
https://doi.org/10.1...
-
https://urn.kb.se/re...
-
visa färre...
Abstract
Ämnesord
Stäng
- Thermal stability of protective coatings is one of the performance-defining properties for advanced cutting and forming applications as well as for energy conversion. To investigate the effect of oxygen incorporation on the high-temperature behavior of (Ti,Al)N, metastable cubic (Ti,Al)N and (Ti,Al)(OxN1-x) coatings are synthesized using reactive arc evaporation. X-ray diffraction of (Ti,Al)N and (Ti,Al)(OxN1-x) coatings reveals that spinodal decomposition is initiated at approximately 800 degrees C, while the subsequent formation of wurtzite solid solution is clearly delayed from 1000 degrees C to 1300 degrees C for (Ti,Al)(OxN1-x) compared to (Ti,Al)N. This thermal stability enhancement can be rationalized based on calculated vacancy formation energies in combination with spatially-resolved composition analysis and calorimetric data: Energy dispersive X-ray spectroscopy and atom probe tomography data indicate a lower O solubility in wurtzite solid solution compared to cubic (Ti,Al)(O,N). Hence, it is evident that for the growth of the wurtzite, AlN-rich phase in (Ti,Al)N, only mobility of Ti and Al is required, while for (Ti,Al)(O,N), in addition to mobile metal atoms, also non-metal mobility is required. Prerequisite for mobility on the non-metal sublattice is the formation of non-metal vacancies which require larger temperatures than for the metal sublattice due to significantly larger magnitudes of formation energies for the non-metal vacancies compared to the metal vacancies. This notion is consistent with calorimetry data which indicate that the combined energy necessary to form and grow the wurtzite phase is larger by a factor of approximately two in (Ti,Al)(O,N) than in (Ti,Al)N, causing the here reported thermal stability increase. (C) 2021 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- Cathodic arc evaporation
- Hard coatings
- Thermal stability
- TiAlN
- TiAlON
- Vacancies
- Aluminum metallography
- Aluminum nitride
- Calorimetry
- Energy conversion
- Energy dispersive spectroscopy
- III-V semiconductors
- Metals
- Oxygen
- Protective coatings
- Solid solutions
- Spinodal decomposition
- Stability
- Thermodynamic stability
- Titanium metallography
- Zinc sulfide
- Atom probe tomography
- Composition analysis
- Cutting and forming
- Energy dispersive X ray spectroscopy
- High temperature behavior
- Oxygen incorporation
- Stability enhancement
- Vacancy formation energies
- Aluminum coatings
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas
- Av författaren/redakt...
-
Holzapfel, Damia ...
-
Music, Denis
-
Hans, Marcus
-
Wolff-Goodrich, ...
-
Holec, David
-
Bogdanovski, Dim ...
-
visa fler...
-
Arndt, Mirjam
-
Eriksson, Anders ...
-
Yalamanchili, Ku ...
-
Primetzhofer, Da ...
-
Liebscher, Chris ...
-
Schneider, Joche ...
-
visa färre...
- Om ämnet
-
- TEKNIK OCH TEKNOLOGIER
-
TEKNIK OCH TEKNO ...
-
och Materialteknik
-
och Bearbetnings yt ...
-
- NATURVETENSKAP
-
NATURVETENSKAP
-
och Kemi
-
och Materialkemi
- Artiklar i publikationen
-
Acta Materialia
- Av lärosätet
-
Malmö universitet
-
Uppsala universitet