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Fakultätsübergreifendes Institut für Werkstofftechnik


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INHALTE

Publikationen

im Institut für Werkstofftechnik

Anzahl der Treffer: 1562
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Düngen, Matthias; Koch, Michael
Energy efficiency in injection molding. - In: Regional Conference Polymer Processing Society, Graz 2015Regional Conference Polymer Processing Society, Graz 2015 : PPS2015, 21. - 25.9., Graz, Austria, Polymer Processing Society Conference. - Graz / Regional Conference Polymer Processing Society (Graz) : 2015.09.21-25. : PPS2015, 21. - 25.9., Graz, Austria, Polymer Processing Society Conference. - Graz, (2015), S. 63
Efimov, Igor; Gruia, Violeta-Tincuta; Rumiche, Francisco; Bund, Andreas; Ispas, Adriana
An electrochemical quartz crystal microbalance study on adsorption of single walled carbon nanotubes onto poly[3,4-ethylenedioxythiophene] layers. - In: Journal of solid state electrochemistry : current research and development in science and technology. - Berlin : Springer, ISSN 14330768, Bd. 19 (2015), 9, S. 2581-2589
http://dx.doi.org/10.1007/s10008-015-2979-4
Wang, Ming; Dong, Wang; Schaaf, Peter
Size effect on the mechanical behavior of Al/Si multilayers deposited on Kapton substrate. - In: Journal of materials science / Materials in electronics. - Dordrecht [u.a.] : Springer Science + Business Media B.V, ISSN 1573482X, Bd. 26 (2015), 10, S. 8224-8228
http://dx.doi.org/10.1007/s10854-015-3485-2
Krenkel, Sharon; Uhlig, Hans; Enke, Dirk; Rädlein, Edda
Manufacture of highly porous, anisotropic glass monoliths with a honeycomb-like structure. - In: European journal of glass science and technology / B. - Sheffield, ISSN 17533570, Bd. 56 (2015), 4, S. 149-158
http://dx.doi.org/10.13036/17533562.56.4.149
Kazak, Oleg; Heinicke, Christiane; Wondrak, Thomas; Boeck, Thomas
Electromagnetic interaction of a small magnet and liquid metal flow in a pipe with insulating or conducting walls. - In: Magnetohydrodynamics : . - Salaspils : Inst. of Physics, Univ. of Latvia, ISSN 0024998x, Bd. 51 (2015), 3, S. 579-588

We study the effects of electrically conducting walls on the interaction between a permanent magnet and a liquid-metal flow in a cylindrical pipe using experiments and numerical simulation. The problem is motivated by Lorentz force velocimetry, where the drag force on the magnet due to the induced eddy currents in the flow is used for flow measurement. Compared with insulating walls, the conducting walls lead to an increased drag force on the magnet. Except for low distances, the experimental results are satisfactorily reproduced in simulations using two different approximations of the magnetic field distribution.


Borchers, Christine; Garve, Clemens; Tiegel, Marie; Deutges, Martin; Herz, Andreas; Edalati, Kaveh; Pippan, Reinhard; Horita, Zenji; Kirchheim, Reiner
Nanocrystalline steel obtained by mechanical alloying of iron and graphite subsequently compacted by high-pressure torsion. - In: Acta materialia. - Amsterdam [u.a.] : Elsevier Science, ISSN 13596454, Bd. 97 (2015), S. 207-215
http://dx.doi.org/10.1016/j.actamat.2015.06.049
Herz, Andreas; Friák, Martin; Roßberg, Diana; Hentschel, Martin; Theska, Felix; Wang, Dong; Holec, David; Šob, Mojmir; Schneeweiss, Oldřich; Schaaf, Peter
Facet-controlled phase separation in supersaturated Au-Ni nanoparticles upon shape equilibration. - In: Applied physics letters. - Melville, NY : American Inst. of Physics, ISSN 10773118, Bd. 107 (2015), 7, S. 073109, insges. 5 S.

Solid-state dewetting is used to fabricate supersaturated, submicron-sized Au-Ni solid solution particles out of thin Au/Ni bilayers by means of a rapid thermal annealing technique. Phase separation in such particles is studied with respect to their equilibrium crystal (or Wulff) shape by subsequent annealing at elevated temperature. It is found that {100} faceting planes of the equilibrated particles are enriched with Ni and {111} faces with Au. Both phases are considered by quantum-mechanical calculations in combination with an error-reduction scheme that was developed to compensate for a missing exchange-correlation potential that would reliably describe both Au and Ni. The observed phase configuration is then related to the minimization of strongly anisotropic elastic energies of Au- and Ni-rich phases and results in a rather unique nanoparticle composite state that is characterized by nearly uniform value of elastic response to epitaxial strains all over the faceted surface. The same conclusion is yielded also by evaluating bi-axial elastic moduli when employing interpolated experimental elastic constants. This work demonstrates a useful route for studying features of physical metallurgy at the mesoscale.


http://dx.doi.org/10.1063/1.4928627
Caba, Stefan; Koch, Michael
Porenfreie Bauteile : Verringerung des Fehlstellengehalts und Prozessbeschleunigung im RTM-Prozess. - In: Lightweight design : die Fachzeitschrift für den Leichtbau bewegter Massen. - Wiesbaden : Vieweg und Teubner/Springer Fachmedien, ISSN 21928738, Bd. 8 (2015), 4, S. 56-61

Das Resin Transfer Molding Verfahren (RTM) zur Herstellung von Leichtbauteilen aus faserverstärktem Kunststoff wird vermehrt in Serienprozessen eingesetzt. Dabei ist stets ein Kompromiss zwischen kurzer Zykluszeit und hoher Bauteilqualität zu suchen. An der TU Ilmenau wurde die Fehlstellenentstehung während des Injektionsvorgangs genauer analysiert und eine veränderte Injektionsstrategie entwickelt. Die Analyse zeigt, dass bei geeigneten Prozessparametern die Herstellung fehlstellenfreier Bauteile möglich ist. Erzielbare Zykluszeiten erleichtern die Produktion in Großserienprozessen.


http://dx.doi.org/10.1007/s35725-015-0032-2
Bruchmüller, Matthias; Koch, Michael
Simulierend modifizieren : geometrische Gestaltung von Reibflächen auf Sand. - In: PlastverarbeiterPlastverarbeiter : neue Technologien, Kosteneffizienz, erhöhte Marktchancen. - Heidelberg : Hüthig - Heidelberg : Hüthig, ISSN 00321338, Bd. 66 (2015), 7, S. 54-55
Wang, Ming; Wang, Dong; Kups, Thomas; Schaaf, Peter
Size effect on mechanical behavior of Al/Si3N4 multilayers by nanoindentation. - In: Materials science and engineering / A. - Amsterdam : Elsevier, ISSN 18734936, Bd. 644 (2015), S. 275-283
http://dx.doi.org/10.1016/j.msea.2015.07.071