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Fakultätsübergreifendes Institut für Werkstofftechnik


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Publikationen

im Institut für Werkstofftechnik

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Bund, Andreas
Waldfried Plieth: a tribute on the occasion of his 75th birthday. - In: Journal of solid state electrochemistry : current research and development in science and technology. - Berlin : Springer, ISSN 14330768, Bd. 16 (2012), 11, S. 3399-3400
http://dx.doi.org/10.1007/s10008-012-1875-4
Mutschke, Gerd; Tschulik, Kristina; Uhlemann, Margitta; Bund, Andreas; Fröhlich, Jochen
Comment on "Magnetic Structuring of Electrodeposits". - In: Physical review letters. - College Park, Md : APS, ISSN 10797114, Bd. 109 (2012), 22, S. 229401, insges. 1 S.
http://dx.doi.org/10.1103/PhysRevLett.109.229401
Morgenbrodt, Sören; Spieß, Lothar; Teichert, Gerd; Bamberger, Menachem; Schaaf, Peter
Vergleichende Untersuchungen zur Bestimmung des Austenitgehalts austenitisch-ferritischen Gusseisens mit Kugelgraphit (ADI). - In: HTM - journal of heat treatment and materialsHTM - journal of heat treatment and materials : Zeitschrift für Werkstoffe, Wärmebehandlung, Fertigung. - München : Hanser - München : Hanser, ISSN 0341101x, Bd. 67 (2012), 6, S. 393-401
Grieseler, Rolf; Klaus, Jenny; Stubenrauch, Mike; Tonisch, Katja; Michael, Steffen; Pezoldt, Jörg; Schaaf, Peter
Residual stress measurements and mechanical properties of AlN thin films as ultra-sensitive materials for nanoelectromechanical systems. - In: The philosophical magazine : structure and properties of condensed matter. - Abingdon : Taylor & Francis, ISSN 14786443, Bd. 92 (2012), 25/27, S. 3392-3401
http://dx.doi.org/10.1080/14786435.2012.669074
Thess, André; Wegfraß, André; Diethold, Christian; Werner, Michael; Fröhlich, Thomas; Halbedel, Bernd; Hilbrunner, Falko; Resagk, Christian
Noncontact electromagnetic flow measurement in electrolytes. - In: 23rd International Congress of Theoretical and Applied Mechanics / International Congress of Theoretical and Applied Mechanics ; 23 (Beijing) : 2012.08.19-24. - Beijing, 2012, FM11-005, insges. 2 S.

Lorentz force velocimetry (LFV) is a noncontact electromagnetic flow measurement technique that is currently successfully applied for velocity measurements in liquid metals both in laboratory experiments and industry. However, up to now the application of LFV was restricted to conducting fluids with electrical conductivities of the order of 106 S/m such as are encountered in liquid metals. Here we demonstrate that LFV can be successfully extended to poorly conducting fluids (electrolytes) by using high-resolution force measurements.


Düngen, Matthias; Woyan, Felix; Koch, Michael
Drive power calculation for single screw extruders. - In: Polymeric materials 2012Polymeric materials 2012 : September 12th - 14th, 2012, Halle (Saale) ; abstracts. - Halle (Saale) / International Conference Polymeric Materials ; 15 (Halle) : 2012.09.12-14. : September 12th - 14th, 2012, Halle (Saale) ; abstracts. - Halle (Saale), ISBN 978-3-86829-517-7, (2012), S. 42

This study examines models for calculating the power consumption of conventional single screw extruders (SSE) with smooth barrel and presents an approach to increase the accuracy of calculation.


Hecht, Kerstin
Entwicklung eines Laserstrahlpolierverfahrens für Quarzglasoberflächen
[Online-Ausg.]. - Ilmenau : Univ.-Verl. Ilmenau. - Online-Ressource (PDF-Datei: 200 S., 6,09 MB). - (Werkstofftechnik aktuell. - 8)
Ilmenau : Techn. Univ., Diss., 2012

Ziel der Laserstrahlpolitur ist die schnelle, gleichmäßige, formerhaltende Glättung des Rauheitsprofils einer Quarzglasoberfläche. Der Laser wirkt dabei geometrieunabhängig, in der Art eines schnellen Subaperturwerkzeuges. Verschieden spanend bearbeitet Proben werden mittels Laserstrahlung poliert, wobei die Prozesseinflussgrößen, die Wechselwirkungen zwischen Laserstrahlung und Quarzglas sowie die Auswertung der Ergebnisse hinsichtlich Oberflächenqualität und Beeinflussung von Spannungen bzw. mechanischen Eigenschaften, die Untersuchungen und die Entwicklung eines industriell einsetzbaren Laserstrahlpolierverfahrens unterstützen. Experimentplanung, -durchführung und -auswertung erfolgen unter Anwendung statistischer Methoden. Die Temperatur wird während der Politur mit Pyrometer und Wärmebildkamera überwacht. Die Einsatzgebiete des Verfahrens liegen u.a. beim Polieren von 2D- und 2D Bauteilen, Werkzeugformeinsätzen (Kunststoffverarbeitung) und in Teilbereichen optischer Komponenten.


http://d-nb.info/1027635598/04
Wang, Dong; Schönherr, Sven; Ronning, Carsten; Schaaf, Peter
Patterned array of nanoporous silicon. - In: 23rd Micromechanics and Microsystems Europe Workshop / Micromechanics and Microsystems Europe Workshop ; 23 (Ilmenau) : 2012.09.09-12. - Ilmenau : Verl. ISLE, ISBN 978-3-938843-71-0, (2012), insges. 4 S.

Predanocy, Martin; Hotovy, Ivan; Kosc, Ivan; Rehacek, Vlastimil; Kostic, Ivan; Spieß, Lothar
Simulation, development and characterization of platinum microheater on polyimide membrane. - In: 23rd Micromechanics and Microsystems Europe Workshop / Micromechanics and Microsystems Europe Workshop ; 23 (Ilmenau) : 2012.09.09-12. - Ilmenau : Verl. ISLE, ISBN 978-3-938843-71-0, (2012), insges. 4 S.

Schmidt, Denny; Albrecht, Robert; Lange, Günther
Investigation to distribution of additives in open- and closed-cell aluminum foam. - In: International Conference on Innovative Technologies / International Conference on Innovative Technologies (Rijeka) : 2012.09.26-28. : IN-TECH 2012, Rijeka, [26. - 28.09.2012] ; proceedings. - Rijeka : Faculty of Engineering, ISBN 978-953-6326-77-8, (2012), S. 533-537

New fields of applications can be developed with the porous structure of cellular materials. In addition to polymer and ceramic foams, especially cellular metallic materials, metal foams, are in our focus of research. Its porous structure allows us to achieve low specific densities. Metal foams can be used as a high energy absorption material particularly for lightweight applications. The production of closed-cell and open-cell metal foams is done by melting or powder metallurgy processes. In practice, primarily aluminum-based foam materials find their application in small series. The reproducibility of mechanical and functional properties needs a homogeneous pore distribution. The cost-intensive production process of the open-cell metal foams gives a more homogeneous structure than closed-cell metal foams. During the foaming process of powder metallurgy foams, a variety of parameters have an influence on the pore distribution. In addition to the temperature regime, especially the alloy components and additives are important. Above all, the structure-property-relationship of cellular materials is most significant. In this paper, micro- and macro-structures of closed-cell aluminum foams are analyzed and compared as well as the additive distribution in the material (such as titanium from the foaming agent TiH2). The goal is to analyze the distribution of the alloy components in the foaming process for a systematic optimization of the manufacturing process in terms of powder composition, powder sizes, compaction ratio, heat treatments and temperature regime.