Home Technology Effects of Al Sputtering Power on the Structure and Growth Morphology of (Ti, Al)N/AlN Multilayer Coatings
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Effects of Al Sputtering Power on the Structure and Growth Morphology of (Ti, Al)N/AlN Multilayer Coatings

  • Fatih Üstel
Published/Copyright: June 11, 2013
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Abstract

Multilayer TiAlN and AlN coatings were deposited from two targets onto high speed steel (HSS) and hard metal (HM) substrates by pulsed DC magnetron sputtering. TiAl target power was held constant while aluminum target power was varied. Scanning electron microscopy and X-ray diffraction techniques were used for the structural and morphological characterization. Aluminum target power had an influence on the coating structure and morphology. Coatings produced with low aluminum target power had B1 type cubic structure. As the power was increased, the hexagonal structure becomes clearer.

Kurzfassung

TiAlN- und AlN-Multilayer-Beschichtungen wurden auf Schnellarbeitsstahl (HSS)- und Hartmetall-(HM)-Substraten durch Impuls-DC-Magnetronsputtern mit zwei Targets aufgebracht. Die Leistung des TiAl-Targets wurde konstant gehalten, während die Leistung des Al-Targets variiert wurde. Zur Charakterisierung von Gefüge und Morphologie kamen Rasterelektronenmikroskopie und Röntgenbeugung zum Einsatz. Die Leistung des Aluminiumtargets beeinflusste Gefüge und Morphologie der Beschichtung. Beschichtungen, die durch eine geringe Leistung des Aluminiumtargets erzeugt wurden, wiesen eine kubische B1-Struktur auf. Wurde die Leistung erhöht, trat die hexagonale Struktur klarer hervor.

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Received: 2003-4-28
Accepted: 2004-3-4
Published Online: 2013-06-11
Published in Print: 2005-03-01

© 2005, Carl Hanser Verlag, München

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