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31.
Numerical simulations of nozzles with gas and liquid focusing for production of micro-jets
Grega Belšak, 2022, doktorska disertacija

Najdeno v: ključnih besedah
Povzetek najdenega: ...vacuum conditions, atmospheric conditions, operational parameters, liquid properties, dissertations...
Ključne besede: numerical simulations, OpenFOAM, liquid sheets, micro-jets, multiphase flow, converging nozzles, double flow focusing nozzle, gas compressibility, vacuum conditions, atmospheric conditions, operational parameters, liquid properties, dissertations
Objavljeno: 07.12.2022; Ogledov: 387; Prenosov: 13
.pdf Polno besedilo (21,26 MB)

32.
33.
A comparative study of nanolaminate CrN/Mo2N and CrN/W2N as hard and corrosion resistant coatings
Orfeo Sbaizero, Marco Lazzarino, Gregor Kapun, Mattia Fanetti, Simone Dal Zilio, Andraž Mavrič, Marco Beltrami, Miha Čekada, 2013, izvirni znanstveni članek

Opis: Nanolaminate coatings (NLC) consisting of alternated CrN coupled with either cubic tungsten nitride (β-W2N) or molybdenum nitride (γ-Mo2N) were deposited on cold worked tool steel substrates using reactive DC reactive magnetron sputtering for improved mechanical and corrosion resistance. The CrN/γ-Mo2N and CrN/β-W2N nanolaminate systems were found to perform better than the corresponding single-layer systems, with both mechanical and electrochemical properties improving by decreasing the individual layer thickness from 100 to 5 nm. The CrN/β-W2N NLC combined the high hardness value of W2N with the low corrosion current of CrN. The CrN/γ-Mo2N NLC showed synergistic improvements consisting of both higher hardness and lower corrosion currents with respect to the constituent materials alone. The dependence of mechanical and corrosion properties on the bilayer period is discussed in terms of the grain size, residual stresses and texture of the constituent materials and the nanostructured character of the multilayer architecture.
Najdeno v: ključnih besedah
Povzetek najdenega: ...single-layer systems, with both mechanical and electrochemical properties improving by decreasing the individual layer thickness...
Ključne besede: Nanolayered coatings, Transition metal nitrides, Sputtering, Nanoindentation, Corrosion resistance, Mechanical properties
Objavljeno: 12.01.2023; Ogledov: 141; Prenosov: 0
.pdf Polno besedilo (12,52 MB)

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