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- Abrikosov, IgorLinköpings universitet,Teoretisk Fysik,Tekniska högskolan (author)
Phase Stability and Elasticity of TiAlN
- Article/chapterEnglish2011
Publisher, publication year, extent ...
- 2011-09-15
- MDPI,2011
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:liu-72927
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-72927URI
- https://doi.org/10.3390/ma4091599DOI
Supplementary language notes
- Language:English
- Summary in:English
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- Funding agencies|Swedish Foundation for Strategic Research (SSF) via research center MultiFilms||Swedish Foundation for Strategic Research (SSF) via research center MS2E||Swedish Research Council (VR)||
- We review results of recent combined theoretical and experimental studies of Ti1−xAlxN, an archetypical alloy system material for hard-coating applications. Theoretical simulations of lattice parameters, mixing enthalpies, and elastic properties are presented. Calculated phase diagrams at ambient pressure, as well as at pressure of 10 GPa, show a wide miscibility gap and broad region of compositions and temperatures where the spinodal decomposition takes place. The strong dependence of the elastic properties and sound wave anisotropy on the Al-content offers detailed understanding of the spinodal decomposition and age hardening in Ti1−xAlxN alloy films and multilayers. TiAlN/TiN multilayers can further improve the hardness and thermal stability compared to TiAlN since they offer means to influence the kinetics of the favorable spinodal decomposition and suppress the detrimental transformation to w-AlN. Here, we show that a 100 degree improvement in terms of w-AlN suppression can be achieved, which is of importance when the coating is used as a protective coating on metal cutting inserts.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Materialteknik Bearbetnings-, yt- och fogningsteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering Manufacturing, Surface and Joining Technology hsv//eng
- hard coatings; spinodal decomposition; ab initio calculations; thermodynamics; multilayer; TiN
Added entries (persons, corporate bodies, meetings, titles ...)
- Knutsson, AxelLinköpings universitet,Nanostrukturerade material,Tekniska högskolan(Swepub:liu)axekn88 (author)
- Alling, BjörnLinköpings universitet,Teoretisk Fysik,Tekniska högskolan(Swepub:liu)bjoal69 (author)
- Tasnádi, FerencLinköpings universitet,Teoretisk Fysik,Tekniska högskolan(Swepub:liu)ferta55 (author)
- Lind, HansLinköpings universitet,Teoretisk Fysik,Tekniska högskolan(Swepub:liu)hanli61 (author)
- Hultman, LarsLinköpings universitet,Tunnfilmsfysik,Tekniska högskolan(Swepub:liu)larhu75 (author)
- Odén, MagnusLinköpings universitet,Nanostrukturerade material,Tekniska högskolan(Swepub:liu)magod41 (author)
- Linköpings universitetTeoretisk Fysik (creator_code:org_t)
Related titles
- In:Materials: MDPI4:9, s. 1599-16181996-1944
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