Sökning: onr:3d7cz3n11bqhv6jn > Theoretical and exp...
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- Pilemalm, Robert,1983- (författare)
Theoretical and experimental studies of ternary and quaternary nitrides for machining and thermoelectric materials / Robert K.M. Pilemalm.
- E-bokAvhandlingEngelska2019
Förlag, utgivningsår, omfång ...
- Publicerad:Linköping :Publicerad:Department of Physics, Chemistry and Biology, Linköping University,Publicerad:2019
- 1 onlineresurs (xiv, 50 sidor)
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- online resourcecrrdacarrier
Nummerbeteckningar
- LIBRIS-ID:3d7cz3n11bqhv6jn
- Ogiltigt nummer / annan version:9789176851142 (print)
- http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-155101uri
- urn:nbn:se:liu:diva-155101urn
- 10.3384/diss.diva-155101doi
Kompletterande språkuppgifter
- Språk:engelska
- Sammanfattning på:svenska
Ingår i deldatabas
Klassifikation
Serie
- Linköping studies in science and technology. Dissertation,0345-7524 ;1983
Anmärkningar
- Härtill 6 uppsatser
- Teknologie doktorsexamen
- Ph.D. (engineering)
- Diss. (sammanfattning) Linköping : Linköpings universitet, 2019
- gratis
- Nitrides are used as coatings and thin films for a wide range of applications. The study and use of nitrides in the recent decades have shifted towards ternary, quaternary or even higher order (complex) nitrides. There is an interest to use ternary and quaternary nitrides for machining and thermoelectric materials, because it gives the possibility to choose composition and thereby design the materials properties. This thesis presents research results on TiAlN and and TiAlN-based coatings that are used as hard coatings for machining and on ternary scandium nitrides that are of interest for thin films for thermoelectric applications. The high-pressure high-temperature behavior of cubic TiAlN deposited on cubic boron nitride has been experimentally studied. It has been shown that the spinodal decomposition, which means decomposition into cubic domains enriched in TiN and AlN, is delayed as a result of high pressure compared to ambient pressure. No chemical interaction between coating and substrate occurs. TiZrAlN has been theoretically and experimentally studied at high temperature. The results show that the when Zr-content is decreased and the Al-content is increased the decomposition route changes from nucleation and growth to spinodal decomposition. The microstructure evolution with temperature depends on the initial composition. In the case where the decompositon starts with only spinodal decomposition the microstructure at 1100 °C consists of domains that are larger than in the case where the decomposition occurs by nucleation and growth. ScMN 2 (M=V, Nb, Ta) phases have been experimentally demonstrated for M=Nb and Ta in a few studies, but have not been much investigated. In this theseis, their crystal structure, stability, elastic properties, electronic structure and thermoelectric properties have been studied. At 0 K and 0 GPa it has been shown that these three phases are thermodynamically and elastically stable. Additionally, these are narrow bandgap semiconductors and their thermoelectric properties can be tuned by doping. Pressure has a stabilizing effect on these structures. When pressure increases from 0-150 GPa the elastic constants and moduli increases in the range 53-317 %.
Ämnesord och genrebeteckningar
- Tunna skikt (ytfysik) sao
- Termoelektricitet sao
- Natural Sciences ssif
- Physical Sciences ssif
- Condensed Matter Physics ssif
- Naturvetenskap ssif
- Fysik ssif
- Den kondenserade materiens fysik ssif
- Engineering and Technology ssif
- Materials Engineering ssif
- Ceramics ssif
- Teknik ssif
- Materialteknik ssif
- Keramteknik ssif
- Other Materials Engineering ssif
- Annan materialteknik ssif
- Thin films lcsh
- Thermoelectricity lcsh
- government publication marcgt
- materials science; thin film physics; nitrides
- machining; thermoelectrics
- materialvetenskap; tunnfilmsfysik; nitrider; metallbearbetning; termoelektricitet
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Eklund, Per,1977- (preses)
- Simak, Sergei I,1967- (preses)
- Sanyal, Biplap (opponent)
- Linköpings universitet.Institutionen för fysik, kemi och biologi (utgivare)
- Linköpings universitetTekniska fakulteten (utgivare)
Sammanhörande titlar
- Del av/supplement till:channel record
- Annan version:Pilemalm, RobertTheoretical and experimental studies of ternary and quaternary nitrides for machining and thermoelectric materials9789176851142
Seriebiuppslag
- Linköping studies in science and technology. Dissertations,0345-7524 ;1983
Internetlänk
Länkade data-URI:er (test)
- https://libris.kb.se/nzvlwz5bljdsnr4h#it (Pilemalm, Robert, 1983- aut)
- https://id.kb.se/term/sao/Tunna%20skikt%20%28ytfysik%29 (Tunna skikt (ytfysik) sao)
- https://id.kb.se/term/sao/Termoelektricitet (Termoelektricitet sao)
- https://libris.kb.se/64jmt85q1n0v5mg#it (Eklund, Per, 1977- ths)
- https://libris.kb.se/jgvx12j25ttqgwj#it (Linköpings universitet. Institutionen för fysik, kemi och biologi pbl)
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