Search Results - "DONOHUE, L. A"

Properties of various large-scale fabricated TiAlN- and CrN-based superlattice coatings grown by combined cathodic arc–unbalanced magnetron sputter deposition by Münz, W.-D, Donohue, L.A, Hovsepian, P.Eh

“…TiAlN and CrN are gaining increasing importance in many industrial applications. To improve their mechanical and tribological properties further, these…”
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Structural determination of wear debris generated from sliding wear tests on ceramic coatings using Raman microscopy by Constable, C. P., Yarwood, J., Hovsepian, P., Donohue, L. A., Lewis, D. B., Münz, W.-D.

“…In order to address the important interest in wear debris and associated wear mechanisms, we have studied a series of physical-vapor deposition ceramic hard…”
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Large-scale fabrication of hard superlattice thin films by combined steered arc evaporation and unbalanced magnetron sputtering by Donohue, L.A., Münz, W.-D., Lewis, D.B., Cawley, J., Hurkmans, T., Trinh, T., Petrov, I., Greene, I.E.

“…This paper reports on the mechanical and physical properties of a range of TiAIN- and TiN-based polycrystalline superlattice hard coatings fabricated by a…”
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The interface between TiAlN hard coatings and steel substrates generated by high energetic Cr+ bombardment by Schönjahn, C., Bamford, M., Donohue, L.A., Lewis, D.B., Forder, S., Münz, W.-D.

“…The microstructure of TiAlN coatings deposited by reactive unbalanced magnetron (UBM) sputtering after substrate bombardment with Cr ions, generated by a…”
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The influence of low concentrations of chromium and yttrium on the oxidation behaviour, residual stress and corrosion performance of TiAlN hard coatings on steel substrates by Donohue, L.A, Lewis, D.B, Münz, W-D, Stack, M.M, Lyon, S.B, Wang, H-W, Rafaja, D

“…Ti 0.43Al 0.52Cr 0.03Y 0.02N films, which have been shown to exhibit a fine grain near equiaxed microstructure were found to exhibit a compressive residual…”
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Investigation of superlattice coatings deposited by a combined steered arc evaporation and unbalanced magnetron sputtering technique by Donohue, L.A., Cawley, J., Lewis, D.B., Brooks, J.S., Münz, W.-D.

“…In this paper we report on third-generation TiA1N-ZrN superlattice thin films deposited at industrial scale on high speed steel and stainless steel substrates…”
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Quantification of the interface strength between (Ti,Zr)N coatings and high speed steel by Rother, B., Donohue, L.A., Kappl, H.

“…The interface strength of physical vapour deposited (Ti,Zr)N coatings was determined by qualitative evaluation of the spallation patterns around Rockwell C…”
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Deposition and characterization of TiAlZrN films produced by a combined steered arc and unbalanced magnetron sputtering technique by Donohue, L.A., Cawley, J., Brooks, J.S., Münz, W.-D.

“…Arc-Bond Sputter (ABS™) physical vapour deposition, which utilizes a steered arc metal ion etch substrate pretreatment stage prior to closed field, unbalanced…”
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Thermal stability and oxidation resistance of TiAlN/CrN multilayer coatings by Wadsworth, I., Smith, I.J., Donohue, L.A., Münz, W.-D.

“…TiAlN/CrN multilayer films with superlattice characteristics were deposited onto M2 high-speed steel and 304 stainless steel by reactive unbalanced magnetron…”
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Investigation of elemental distributions in TiAlNZrN multi-layers using analytical transmission electron microscopy by Cawley, J., Titchmarsh, J.M., Donohue, L.A.

“…This microstructural characterisation is described of PVD multilayer coatings. Coatings of TiAlNZrN, approximately 3 μm in thickness were grown on to…”
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The influence of the yttrium content on the structure and properties of Ti1-x-y-zAlxCryYzN PVD hard coatings by LEWIS, D. B, DONOHUE, L. A, LEMBKE, M, MÜNZ, W.-D, KUZEL, R. JR, VALVODA, V, BLOMFIELD, C. J

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Enhanced adhesion through local epitaxy of transition-metal nitride coatings on ferritic steel promoted by metal ion etching in a combined cathodic arc/unbalanced magnetron deposition system by Schönjahn, C., Donohue, L. A., Lewis, D. B., Münz, W.-D., Twesten, R. D., Petrov, I.

“…In situ substrate cleaning by ion etching prior to deposition in physical vapor deposition processes is a key step in achieving good film adhesion, which is…”
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Tribological investigation of TiAlCrN and TiAlN/CrN coatings grown by combined steered-arc/unbalanced magnetron deposition by Luo, Q., Rainforth, W.M., Donohue, L.A., Wadsworth, I., Münz, W-D.

“…The dry sliding wear of monolayer TiAlCrN and multilayer TiAlN/CrN coatings has been investigated against a BM2 tool steel counterface. The coatings were…”
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Deposition and characterisation of arc-bond sputter TixZryN coatings from pure metallic and segmented targets by Donohue, L.A., Cawley, J., Brooks, J.S.

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Properties of various large-scale fabricated TiAlN- and CrN-based superlattice coatings grown by combined cathodic arc-unbalanced magnetron sputter deposition by Munz, W D, Donohue, L. A.,-, Hovsepian, Pe

“…TiAlN and CrN are gaining increasing importance in many industrial applications. To improve their mechanical and tribological properties further, these…”
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The interface between TiAlN hard coatings and steel substrates generated by high energetic Cr exp + bombardment by Schonjahn, C, Bamford, M, Donohue, L A, Lewis, D B, der, S, Munz, W D

“…The microstructure of TiAlN coatings deposited by reactive unbalanced magnetron (UBM) sputtering after substrate bombardment with Cr ions, generated by a…”
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Microstructure and oxidation-resistance of Ti sub 1-x-y-z Al sub x Cr sub y N layers grown by combined steered-arc /unbalanced-magnetron-sputter deposition by Petrov, I, Donohue, L A, Smith, I J, Munz, W-D, Greene, J E

“…Cation-substituted Ti sub l-x-y-z Al sub x Cr sub y Y sub z N alloys, with y = 0.03 and z = 0.02, have been shown to offer greatly enhanced high-temperature…”
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Thermal stabililty and oxidation resistance of TiAlN/CrN multilayer coatings by Wadsworth, I, Smith, I J, Donohue, L A, Munz, W-D

“…TiAlN/CrN multilayer films with superlattice characteristics were deposited onto M2 high-speed steel and 304 stainless steel by reactive unbalanced magnetron…”
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Deposition and characterization of arc-bond sputter TixZryN coatings from pure metallic and segmented targerts by DONOHUE, L. A, CAWLEY, J, BROOKS, J. S

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Microstructure and oxidation-resistance of Ti1-x-y-zAlxCryYzN layers grown by combined steered-arc/unbalanced-magnetron-sputter deposition by DONOHUE, L. A, SMITH, I. J, MÜNZ, W.-D, PETROV, I, GREENE, J. E

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