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- Title
Transmission electron microscope (TEM) study of annealed gamma alumina coatings for cutting tools and of gamma alumina-coated cutting tools after the use in cutting tests Transmissionselektronenmikroskopie-Untersuchung (TEM) von geglühten Gamma-Aluminiumoxid-Beschichtungen für Schneidwerkzeuge und von Gamma-Aluminiumoxid beschichteten Schneidwerkzeugen nach dem Einsatz in Zerspanversuchen
- Authors
Müller, M. G. J.; Mayer, J.
- Abstract
Among the transition phases of alumina, the gamma alumina-phase has a high potential for the use as hard coating in many technological applications, because it exhibits excellent properties e. g. high hot hardness and high thermal stability. In the present work, transmission electron microscopic (TEM) studies are used to investigate the phase stability of nanocrystalline gamma alumina-coatings. These coatings were deposited by means of magnetron sputter ion plating (MSIP) on cutting inserts with a titanium-aluminum-nitride-interlayer or directly onto silicon-wafers. Before transmission electron microscope-investigation, the samples were annealed or used in cutting tests.
- Subjects
TRANSMISSION electron microscopes; ALUMINUM oxide; CUTTING tools; MAGNETRON sputtering; COATING processes
- Publication
Materialwissenschaft und Werkstoffechnik, 2013, Vol 44, Issue 8, p716
- ISSN
0933-5137
- Publication type
Article
- DOI
10.1002/mawe.201300181