Search Results - "Woydt, M"

The importance of tribology for reducing CO2 emissions and for sustainability by Woydt, M.

“…The global community has set itself the goal of stabilizing greenhouse gas emissions at the 2004 level in order to not exceed the climate targets of 500 ppm…”
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Material efficiency through wear protection – The contribution of tribology for reducing CO2 emissions by Woydt, M.

“…In the future, humanity will be under great ecological pressure to efficiently use resources and reduce energy and resource consumption. Tribology is not a…”
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Sub-stoichiometric oxides for wear resistance by Woydt, M.

“…Sub-stoichiometric oxides formed by tribo-oxidation were often analyzed in tribofilms, like γ-Ti3O5, Ti5O9 and Ti9O17 and Mo0,975Ti0,025O2 as well as double…”
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Sub-stoichiometric oxides for wear resistance by Woydt, M.

“…Sub-stoichiometric oxides formed by tribo-oxidation were often analyzed in tribofilms, like γ-Ti3O5, Ti5O9 and Ti9O17 and Mo0975Ti0025O2 as well as double…”
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Slip-rolling resistant steel alloys up to P0max of 3,920 MPa by Woydt, M., Scholz, C., Burbank, J., Spaltmann, D.

“…Downsizing (power-to-weight ratio) and higher speeds lead to a rise in Hertzian contact pressures in combination with an increase in surface or oil…”
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Potentials of niobium carbide (NbC) as cutting tools and for wear protection by Woydt, M., Huang, S., Vleugels, J., Mohrbacher, H., Cannizza, E.

“…Apart by vacancies, the different pseudo-cubic phases NbC, Nb4C3 and Nb6C5, can accommodate any stoichiometry of NbCx (0.75 ≤ x ≤ 1.0) in the binary phase…”
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Microstructure and tribological performance of NbC-Ni cermets modified by VC and Mo2C by Huang, S.G., Vleugels, J., Mohrbacher, H., Woydt, M.

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NbC grain growth control and mechanical properties of Ni bonded NbC cermets prepared by vacuum liquid phase sintering by Huang, S.G., Vleugels, J., Mohrbacher, H., Woydt, M.

“…The current study reports on the effect of the sintering temperature and secondary carbide (VC, Mo2C and TiC) and Mo additions on the NbC grain growth,…”
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Substitution of commercially coated tungsten carbide tools in dry cylindrical turning process by HiPIMS coated niobium carbide cutting inserts by Uhlmann, E., Hinzmann, D., Kropidlowksi, K., Meier, P., Prasol, L., Woydt, M.

“…The deposition of a thin film tool coating as wear resistant layer on tungsten carbide (WC) cutting tool material marks the industrial standard for machining…”
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Microstructure and mechanical properties of NbC-matrix hardmetals with secondary carbide addition and different metal binders by Huang, S.G., Vanmeensel, K., Mohrbacher, H., Woydt, M., Vleugels, J.

“…NbC has a relatively high hardness (19.6GPa) and melting temperature (3600°C) and is usually applied as a grain growth inhibitor in WC–Co hardmetals. The…”
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High-temperature sliding wear, elastic modulus and transverse rupture strength of Ni bonded NbC and WC cermets by Genga, R.M., Rokebrand, P., Cornish, L.A., Nelwalani, N., Brandt, G., Kelling, N., Woydt, M., van Vuuren, A. Janse, Polese, C.

“…The effects of rapid pulse electric current sintering (PECS), substitution of WC by NbC and Co by Ni, and carbide additives (TiC and Mo2C) on the…”
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Green Tribology by Shah, R., Martini, A., Woydt, M., Wong, H.

“…Green tribology is a branch of tribology that deals with improving technology with the challenge of minimizing negative environmental and biological impact…”
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Microstructural investigation and machining performance of NbC-Ti(C0.5N0.5) matrix cermets by Huang, S.G., Nie, H.B., Guo, X.Y., Vleugels, J., Huang, J.H., Mohrbacher, H., Rajendhran, N.K., Sukumaran, J., De Baets, P., Cannizza, E., Woydt, M.

“…In this study, Ni or Co + Ni bonded NbC matrix cermets with secondary carbides (Mo2C and WC) as well as Ti(C0.5N0.5) were prepared by liquid phase sintering at…”
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Roughing, semi-finishing and finishing of laser surface modified nickel bonded NbC and WC inserts for grey cast iron (GCI) face-milling by Genga, R.M., Rokebrand, P., Cornish, L.A., Zeman, P., Brajer, J., Woydt, M., van Vuuren, A. Janse, Polese, C.

“…An attempt to improve the machining performance of NbC-Ni cutting inserts by rapid pulse electric current sintering (PECS), TiC and Mo2C additions and laser…”
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Microstructure, mechanical and machining properties of LPS and SPS NbC cemented carbides for face-milling of grey cast iron by Genga, R.M., Cornish, L.A., Woydt, M., Janse van Vuuren, A., Polese, C.

“…The effects of spark plasma sintering (SPS), NbC as a major carbide phase and Ni as a Co binder substitute on the microstructure, mechanical properties and…”
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Microstructure and mechanical properties of NbC matrix cermets using Ni containing metal binder by Huang, S.G., Vleugels, J., Mohrbacher, H., Woydt, M.

“…The current study reports on the effect of the addition of Al metal and secondary refractory carbides on the microstructure and mechanical properties of Ni…”
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Thermally sprayed titanium suboxide coatings for piston ring/cylinder liners under mixed lubrication and dry-running conditions by Skopp, A., Kelling, N., Woydt, M., Berger, L.-M.

“…Two new substoichiometric titania (TiO x ) coatings designated for cylinder liner application were deposited on specimen of grey cast iron GG20HCN with high…”
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Benchmark of thin film coatings for lubricated slip-rolling contacts by Manier, C.-A., Theiler, G., Spaltmann, D., Woydt, M., Ziegele, H.

“…The light-weight approach and fuel economy targets in today's automotive engineering require tribosystems, which can withstand higher contact pressures…”
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The impact of biofuels on engine oil performance by Gili, F., Igartua, A., Luther, R., Woydt, M.

“…ABSTRACT The dilution of biogenic fuels into lubricating engine oils often leads to a shortening of the recommended oil drains (between 30% and 60%) and an…”
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Angle resolved scattering as a tribological investigation tool for surface characterization by Azouigui, S., Silvestri, Z., Zerrouki, C., Bouhtiyya, S., Plimmer, M.D., Spaltmann, D., Kovalev, A., Woydt, M., Pinot, P.

“…This paper shows how Angle-Resolved Scattering can reveal wear on engineered surfaces. The samples studied, three discs made of steel 100Cr6H used in gear…”
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