Browsing by Author "Leyland, A."
Now showing items 1-18 of 18
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Characterisation and tribological evaluation of nitrogen-containing molybdenum-copper PVD metallic nanocomposite films
Joseph, M. C.; Tsotsos, C.; Baker, M. A.; Kench, P. J.; Rebholz, Claus; Matthews, A.; Leyland, A. (2005)This paper reports on the structural, mechanical and tribological properties of molybdenum-copper nanocomposite films 'doped' with small amounts of nitrogen, which contain either no nitride phase (i.e. the nitrogen is held ...
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Article
Correlation of elastic modulus, hardness and density for sputtered TiAlBN thin films
Rebholz, Claus; Leyland, A.; Matthews, A.; Charitidis, C.; Logothetidis, S.; Schneider, D. (2006)This paper describes the correlation between the elastic modulus, hardness and density of mainly X-ray amorphous TiAlxByNz (0.29 ≤ x ≤ 1.32
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Deposition and characterisation of carbon-containing tungsten coatings prepared by reactive magnetron sputtering
Rebholz, Claus; Schneider, J. M.; Ziegele, H.; Rähle, B.; Leyland, A.; Matthews, A. (1998)Carbon-containing tungsten coatings were deposited by magnetron sputtering onto AISI 316 stainless steel substrates in Ar/C2H2 gas mixtures. Optical emission spectroscopy was used to control the C2H2 gas flow. The goal of ...
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Deposition and characterisation of TiAlBN coatings produced by direct electron-beam evaporation of Ti and Ti-Al-B-N material from a twin crucible source
Rebholz, Claus; Leyland, A.; Matthews, A. (1999)TiAlBN coatings were synthesised by evaporating Ti and hot isostatically pressed TiAl0.68B3.67N2.44 material from a twin crucible source in an Ar plasma at 450°C. A combination of optical emission spectroscopy and partial ...
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Article
Deposition and characterization of nitrogen containing stainless steel coatings prepared by reactive magnetron sputtering
Schneider, J. M.; Rebholz, Claus; Voevodin, A. A.; Leyland, A.; Matthews, A. (1996)Nitrogen containing austenitic stainless steel coatings were deposited with nitrogen concentrations up to 14.1 at% using electron enhanced closed field unbalanced DC magnetron sputtering. The reactive gas flow was controlled ...
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The effect of boron additions on the tribological behaviour of TiN coatings produced by electron-beam evaporative PVD
Rebholz, Claus; Leyland, A.; Larour, P.; Charitidis, C.; Logothetidis, S.; Matthews, A. (1999)TiN coatings containing small amounts of boron were synthesized by electron beam evaporating a Ti-B alloy material from a single crucible source into a plasma comprising Ar or an Ar/N2 mixture at a substrate temperature ...
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Electron spectroscopic studies of nanocomposite PVD TiAlBN coatings
Baker, M. A.; Rebholz, Claus; Leyland, A.; Matthews, A. (2002)A range of TiAlBN coatings have been deposited by electron beam evaporation and the optimised composition exhibits a 150% improvement over single phase TiAlN coatings in drilling tests. The coatings have been analysed by ...
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Evaluating the microstructure and performance of nanocomposite PVD TiAlBN coatings
Baker, M. A.; Klose, S.; Rebholz, Claus; Leyland, A.; Matthews, A. (2002)Physical vapour deposition (PVD) TiAlBN coatings can exhibit excellent wear resistance, with optimised coating compositions demonstrating a 150% increase in lifetime compared to standard TiAlN coatings in wet-cutting drill ...
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Nanostructural studies of PVD TiAlB coatings
Monclus, M. A.; Baker, M. A.; Rebholz, Claus; Stolojan, V.; Gibson, P. N.; Leyland, A.; Matthews, A. (2006)TiAlB coatings with different compositions were deposited by co-sputtering from TiAl and TiB2 targets onto AISI316 stainless steel substrates at a temperature of 170 °C. The stoichiometry and nanostructure have been studied ...
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The nanostructure, wear and corrosion performance of arc-evaporated CrBxNy nanocomposite coatings
Polychronopoulou, K.; Baker, M. A.; Rebholz, Claus; Neidhardt, J.; O'Sullivan, M.; Reiter, A. E.; Kanakis, K.; Leyland, A.; Matthews, A.; Mitterer, C. (2009)The composition, nanostructure, tribological and corrosion behaviour of reactive arc evaporated CrBxNy coatings have been studied and compared to CrN. The CrBxNy coatings were deposited on a commercial Oerlikon Balzers RCS ...
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Plasma-based surface engineering processes for wear and corrosion protection
Matthews, A.; Leyland, A.; Dorn, B.; Stevenson, P. R.; Bin-Sudin, M.; Rebholz, Claus; Voevodin, A.; Schneider, J. (1995)Vacuum plasma-based coating and treatment methods have considerable potential for reducing wear and corrosion. However, they have not been widely applied to engineering components other than tools such as those used in ...
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Article
Structure, hardness and mechanical properties of magnetron-sputtered titanium-aluminium boride films
Rebholz, Claus; Leyland, A.; Schneider, J. M.; Voevodin, A. A.; Matthews, A. (1999)TiAlB films nominally 2 μm thick were produced by simultaneous sputtering from TiAl and TiB2 targets onto Si-(110) and AISI316 stainless steel substrate materials at a temperature of 170°C. The influence of different B/Al ...
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Article
Structure, mechanical and tribological properties of nitrogen-containing chromium coatings prepared by reactive magnetron sputtering
Rebholz, Claus; Ziegele, H.; Leyland, A.; Matthews, A. (1999)Cr(1-x)N(x) coatings were deposited by magnetron sputtering at a substrate temperature of 200°C onto AISI 316 stainless-steel substrates immersed in an Ar/N2 plasma. The goal of this investigation was to study the influence ...
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Structure, mechanical and tribological properties of sputtered TiAlBN thin films
Rebholz, Claus; Schneider, J. M.; Voevodin, A. A.; Steinebrunner, J.; Charitidis, C.; Logothetidis, S.; Leyland, A.; Matthews, A. (1999)TiAlBN films were produced by simultaneously sputtering from TiAl and TiB2 targets in Ar/N2 mixtures at a substrate temperature of 150 °C. The goal of this investigation was to study the influence of the nitrogen content ...
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Structure, mechanical and tribological properties of Ti-B-N and Ti-Al-B-N multiphase thin films produced by electron-beam evaporation
Rebholz, Claus; Ziegele, H.; Leyland, A.; Matthews, A. (1998)Titanium-based multiphase ceramic coatings were deposited by electron-beam plasma-assisted physical vapor deposition, evaporating mixtures of Ti, TiB2, and (Ti0.6Al0.4)B2.19N1.47 material in Ar or Ar/N2 plasmas. All exhibited ...
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Studies of the tribological and mechanical properties of laminated CrC-SiC coatings produced by r.f. and d.c. sputtering
Ziegele, H.; Rebholz, Claus; Voevodin, A. A.; Leyland, A.; Rohde, S. L.; Matthews, A. (1997)Multilayer CrC-SiC coatings were produced by both direct current and radio frequency sputtering of Cr and Si targets in an Ar-C2H2 atmosphere. Coatings of constant thickness of about 4 μm, but with the number of layers ...
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A study of the nanostructure and hardness of electron beam evaporated TiAlBN Coatings
Baker, M. A.; Monclus, M. A.; Rebholz, Claus; Gibson, P. N.; Leyland, A.; Matthews, A. (2010)TiAlBN coatings have been deposited by electron beam (EB) evaporation from a single TiAlBN material source onto AISI 316 stainless steel substrates at a temperature of 450°C and substrate bias of −100V. The stoichiometry ...
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Article
Wear behaviour of carbon-containing tungsten coatings prepared by reactive magnetron sputtering
Rebholz, Claus; Schneider, J. M.; Leyland, A.; Matthews, A. (1999)W(1-x)C(x) coatings (with x being in the range of 0.05-0.19) were deposited by reactive magnetron sputtering on to AISI 316 stainless-steel substrates in order to study the influence of the carbon content on the tribological ...