Aluminum Nitride Thin Films on Titanium PDF Download
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Author: Seth E. Boeshore
Publisher: ProQuest
ISBN: 9780542856082
Category :
Languages : en
Pages : 332
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Book Description
Piezoelectric unimorph cantilever beams have been fabricated from the deposited films and used for the first demonstration of piezoelectric transduction on titanium. At large displacements, these beams exhibit nonlinear spring softening. An analytical model has been developed to accurately describe the frequency response of these beams and to calculate the material properties of the film. Test results from these beams show that d 31 and k231 for the films are within 10% of the reported values.
Author: Seth E. Boeshore
Publisher: ProQuest
ISBN: 9780542856082
Category :
Languages : en
Pages : 332
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Book Description
Piezoelectric unimorph cantilever beams have been fabricated from the deposited films and used for the first demonstration of piezoelectric transduction on titanium. At large displacements, these beams exhibit nonlinear spring softening. An analytical model has been developed to accurately describe the frequency response of these beams and to calculate the material properties of the film. Test results from these beams show that d 31 and k231 for the films are within 10% of the reported values.
Author: Janella Salamania
Publisher:
ISBN: 9789180750608
Category : Electronic books
Languages : en
Pages : 0
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Book Description
Author: Tousif Hussain
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659295331
Category :
Languages : en
Pages : 168
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Book Description
The dense plasma focus system of energy 2.3 kJ was used to synthesize titanium based nitride thin films. The book contains the details of research work including the introduction, plasma focus experimental setup, results obtained and their detailed discussion. It reports growth of titanium based nitride thin films specifically titanium-aluminum nitrides, nano composite-titanium nitride/amorphous-silicon nitride, nano composite (titanium, aluminum) nitride/ amorphous-silicon nitride and titanium-silicon-nitride. The results of these experiments show the successful synthesis of titanium based nitride thin films using the plasma focus system. The research work is motivated by the remarkable mechanical, thermal and electronic properties of titanium based nitride thin films, having many applications ranging from coatings on cutting tools to diffusion barrier in microelectronics.
Author: David James Schroeder
Publisher:
ISBN:
Category :
Languages : en
Pages : 166
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Book Description
Author: Cynthia Kornegay Waters
Publisher:
ISBN:
Category : Aluminum nitride
Languages : en
Pages : 336
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Book Description
Investigates the hardnesses, elastic moduli, and fracture mechanic properties of aluminum nitride and titanium nitride thin film multilayers when deposited in various thicknesses on silicon. Utilized pulsed laser deposition to grow the thin films.
Author: Akhtar Kalam
Publisher: Springer
ISBN: 9811047650
Category : Technology & Engineering
Languages : en
Pages : 808
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Book Description
This book is a compilation of research work in the interdisciplinary areas of electronics, communication, and computing. This book is specifically targeted at students, research scholars and academicians. The book covers the different approaches and techniques for specific applications, such as particle-swarm optimization, Otsu’s function and harmony search optimization algorithm, triple gate silicon on insulator (SOI)MOSFET, micro-Raman and Fourier Transform Infrared Spectroscopy (FTIR) analysis, high-k dielectric gate oxide, spectrum sensing in cognitive radio, microstrip antenna, Ground-penetrating radar (GPR) with conducting surfaces, and digital image forgery detection. The contents of the book will be useful to academic and professional researchers alike.
Author: Edward Poindexter
Publisher:
ISBN:
Category : Thin films
Languages : en
Pages : 114
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Book Description
Author: Dale Andrew Delisle
Publisher:
ISBN:
Category :
Languages : en
Pages : 282
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Book Description
Author: Jaime Andres Perez Taborda
Publisher: BoD – Books on Demand
ISBN: 1789848709
Category : Technology & Engineering
Languages : en
Pages : 288
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Book Description
The field of coatings and thin-film technologies is rapidly advancing to keep up with new uses for semiconductor, optical, tribological, thermoelectric, solar, security, and smart sensing applications, among others. In this sense, thin-film coatings and structures are increasingly sophisticated with more specific properties, new geometries, large areas, the use of heterogeneous materials and flexible and rigid coating substrates to produce thin-film structures with improved performance and properties in response to new challenges that the industry presents. This book aims to provide the reader with a complete overview of the current state of applications and developments in thin-film technology, discussing applications, health and safety in thin films, and presenting reviews and experimental results of recognized experts in the area of coatings and thin-film technologies.
Author: Isabella Citlalli Schramm Benítez
Publisher: Linköping University Electronic Press
ISBN: 9176854566
Category :
Languages : en
Pages : 73
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Book Description
This thesis investigates the effect of point defects (nitrogen vacancies and interstitials) and multilayering ((Ti,Al)N/TiN) on the phase transformations in cathodic arc-evaporated cubic (Ti,Al)N thin films at elevated temperatures. Special attention is paid to the evolution of the beneficial spinodal decomposition into c-TiN and c-AlN, the detrimental formation of wurtzite AlN and the potential application as hard coating in cutting tools. c-(Ti1-xAlx)Ny thin films with varying Al fractions and N content (y = 0.93 to 0.75) show a delay in the spinodal decomposition when increasing the amount of N vacancies. This results in a 300 °C upshift in the age hardening and a delay in the w-AlN formation, while additions of self-interstitials enhance phase separation. High temperature interaction between hard metal substrates and thin films is more pronounced when increasing N deficiency through diffusion of substrate elements into the film. Low N content films (y = 0.58 to 0.40) showed formation of additional phases such as Ti4AlN3, Ti2AlN, Al5Ti2 and Al3Ti during annealing and a transformation from Ti2AlN to Ti4AlN3 via intercalation. The multilayer structure of TiN/TiAlN results in surfacedirected spinodal decomposition that affects the decomposition behavior. Careful use of these effects appears as a promising method to improve cutting tool performance. Diese Arbeit untersucht den Effekt von Punktdefekten (Stickstoffleerstellen und Zwischengitteratome) und Multilagen ((Ti,Al)N/TiN) auf die Phasenumwandlung in lichtbogenverdampften kubischen (Ti,Al)N-Dünnschichten bei erhöhten Temperaturen. Besonderes Augenmerk liegt auf der Entwicklung der vorteilhaften spinodalen Entmischung in c-TiN und c-AlN und der nachteiligen Bildung von Wurtzit-AlN, sowie der möglichen Anwendung als Hartstoffbeschichtung von Schneidwerkzeugen. c-(Ti1-xAlx)Ny mit unterschiedlichem Al-Anteil und N-Gehalten von y = 0,93 bis 0,75 zeigt mit zunehmenden Stickstoffleerstellen eine Verzögerung der spinodalen Entmischung. Dadurch verschiebt sich die Ausscheidungshärtung um 300 °C zu höheren Temperaturen und die w-AlN-Bildung wird verzögert, während der Einbau von Eigenzwischengitteratomen die Entmischung beschleunigt. Die Hochtemperaturwechselwirkung zwischen Hartmetallsubstrat und Dünnschicht durch Diffusion von Substratelementen in die Schicht nimmt mit steigendem Stickstoffdefizit zu. Stickstoffarme Schichten (y = 0,58 bis 0,40) zeigen während der Wärmebehandlung zusätzliche Phasen wie Ti4AlN3, Ti2AlN, Al5Ti2 und Al3Ti und eine Umwandlung von Ti2AlN in Ti4AlN3 durch Interkalation. Die Multischichtstruktur von TiN/TiAlN führt zu einer oberflächengerichteten spinodalen Entmischung, die das Entmischungsverhalten beeinflusst. Ein gezielter Einsatz dieser Effekte erscheint als ein vielsprechender Weg, um die Leistungsfähigkeit von Schneidwerkzeugen zu verbessern. I denna avhandling behandlas inverkan av punktdefekter (kvävevakanser och interstitialer) och multilagring ((Ti,Al)N/TiN) på högtemperaturfasomvandlingar i tunna arcförångade skikt av kubiska (Ti,Al)N. Störst vikt har lagts på utvecklingen av det fördelaktiga spinodala sönderfallet till c-TiN och c-AlN, den ofördelaktiga omvandlingen till w-AlN och potentialen som hårda skikt i verktygstillämpningar. Tunna c-(Ti1-xAlx)Ny skikt med olika Al-andel och en N-halt mellan (y = 0.93 och 0.75) uppvisar ökad undertryckning av det spinodala sönderfallet med ökat kvävevakanshalt. Detta resulterar i bildandet av w-AlN skiftas upp i temperatur vilket gör att åldershärdningen höjs med 300 °C. Däremot medför närvaron av självinterstitialer ett snabbare sönderfall. Växelverkan mellan hårdmetallsubstraten och de tunna skikten vid hög temperatur ökar med minskad kvävehalt i skiten genom diffusion av atomer från substratet in i filmen. Filmer med låg kvävehalt (y = 0.58 till 0.40) bildar även andra faser så som Ti4AlN3, Ti2AlN, Al5Ti2 och Al3Ti under värmebehandling och fasomvandlingen från Ti2AlN till Ti4AlN3 sker via en mekanism kallad intercalation. Multilagring av TiN/TiAlN resulterar i ett ytriktad spinodalt sönderfall vilket påverkar det totala sönderfallsförloppet. Nyttjande av dessa resultat syns som lovande vägar till förbättrade verktygsegenskaper.
