Journal ArticleDOI
Phase transformation in chemically vapour-deposited κ-alumina
S. Vuorinen,L. Karlsson +1 more
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TLDR
In this article, a time-temperature-transformation diagram was constructed for CVD κ-Al2O3 and the effects of the κ→α transformation on adhesion and cutting performance were studied by scratch adhension and cutting test respectively.About:
This article is published in Thin Solid Films.The article was published on 1992-07-15. It has received 98 citations till now. The article focuses on the topics: Isothermal transformation diagram & Coating.read more
Citations
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Deposition, microstructure and properties of texture-controlled CVD α-Al2O3 coatings
TL;DR: In this paper, the influence of nucleation on the microstructure and properties of CVD Al2O3 was investigated and the experimental layers were characterised using X-ray diffraction, scanning electron microscopy, and transmission electron microscope.
Journal ArticleDOI
Effect of the substrate temperature on the structure and properties of Al2O3 layers reactively deposited by pulsed magnetron sputtering
TL;DR: In this article, the structure and morphology of the layers were made via XRD and SEM techniques, respectively, and the hardness was determined by nanoindentation, and residual stresses were derived from the bending of the coated substrates.
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Thermal stability of sputtered Al2O3 coatings
TL;DR: In this paper, an industrial scale sputter system equipped with bipolar pulsed magnetrons was used to grow coatings at 640°C in an argon/oxygen atmosphere under different ion bombardment conditions.
Journal ArticleDOI
Advanced characterization methods for wear resistant hard coatings: A review on recent progress
Michael Tkadletz,Nina Schalk,Rostislav Daniel,Jozef Keckes,Christoph Czettl,Christian Mitterer +5 more
TL;DR: In this paper, a portfolio of characterization techniques for wear-resistant hard coatings is presented, including atom probe tomography, electron backscatter diffraction and synchrotron X-ray nanodiffraction.
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Thermal stability of alumina thin films containing γ-Al2O3 phase prepared by reactive magnetron sputtering
TL;DR: In this paper, the thermal stability of alumina thin films containing γ-Al2O3 phase and its conversion to a thermodynamically stable α-Al 2O 3 phase during a post-deposition equilibrium thermal annealing was reported.
References
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Journal ArticleDOI
Plastic deformation of single crystals of sapphire: Basal slip and twinning
TL;DR: In this article, it was shown that the experimentally observed crystallographic elements of deformation twinning can be fully understood only if one assumes that the twinning shears correspond to the synchronized displacements of a quarter partial.
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Self-diffusion of oxygen in single crystal and polycrystalline aluminum oxide
Y. Oishi,W. D. Kingery +1 more
TL;DR: The self-diffusion coefficient of oxygen has been determined as a function of temperature in single crystal and polycrystalline aluminum oxide at temperatures up to 1780°C as mentioned in this paper.
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Thermal Transformations of Aluminas and Alumina Hydrates - Reaction with 44% Technical Acid.
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Computational design of wear coatings
Bruce M. Kramer,Patrick K. Judd +1 more
TL;DR: In this paper, a VAX 11/750 minicomputer is used to evaluate the wear performance of potential tool coating materials, including the free energy of formation of tool material, the excess free energies of solution of the constituent elements of the tool material in the workpiece, the hardness of the coating, and the cutting temperature.