Relevant bibliographies by topics / Randschicht

Academic literature on the topic 'Randschicht'

Author: Grafiati
Published: 4 June 2021
Last updated: 14 February 2022

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Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters

Journal articles on the topic "Randschicht":

1

Brinksmeier, E., and T. Brockhoff. "Randschicht-Wärmebehandlung durch Schleifen." HTM Journal of Heat Treatment and Materials 49, no. 5 (September 1, 1994): 327–30. http://dx.doi.org/10.1515/htm-1994-490511.

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Clausen, B., F. Hoffmann, and H. W. Zoch. "Beeinflussung der Randschicht durch die Einsatzhärtung*." HTM Journal of Heat Treatment and Materials 63, no. 6 (December 2008): 326–36. http://dx.doi.org/10.3139/105.100473.

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Lerche, W., M. Lohrmann, B. Edenhofer, W. Gräfen, and J. W. Bouwman. "Mikrostrukturelle Erscheinungen in der Randschicht einsatzgehärteter Bauteile." Materialwissenschaft und Werkstofftechnik 29, no. 11 (November 1998): 679–85. http://dx.doi.org/10.1002/mawe.19980291111.

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Gümpel, Paul, and Martina Wägner. "Harte und Verschleissfeste Randschicht auf Korrosionsbeständigen Stählen." MTZ - Motortechnische Zeitschrift 71, no. 9 (September 2010): 620–24. http://dx.doi.org/10.1007/bf03225606.

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Adam, P., and M. Eckstein. "Zeitfestigkeit und Randschicht - Eigenschaften durch Zerspanung bei Nickellegierungen." Materialwissenschaft und Werkstofftechnik 27, no. 6 (June 1996): 272–79. http://dx.doi.org/10.1002/mawe.19960270605.

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Seifert, M., K. Anhalt, C. Baltruschat, M. Lenhart-Rydzek, B. Brenner, and S. Bonss. "Die Genauigkeit der berührungslosen Temperaturmessung bei der Randschicht-Wärmebehandlung*." HTM Journal of Heat Treatment and Materials 69, no. 3 (June 27, 2014): 182–91. http://dx.doi.org/10.3139/105.110221.

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Pantleon, K., O. Keßler, R. Hoffmann, and R. Mayr. "Randschicht- und durchgreifendes Härten von 42CrMo4 nach CVD-Beschichtung." HTM Journal of Heat Treatment and Materials 54, no. 3 (May 1, 1999): 150–55. http://dx.doi.org/10.1515/htm-1999-540308.

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8

Pietzsch, C., U. Brusky, and H. J. Spies. "Struktur der Randschicht nichtrostender Stähle nach Tieftemperatur-Nitrierung – eine Mößbauerstudie." Materialwissenschaft und Werkstofftechnik 34, no. 6 (June 2003): 549–54. http://dx.doi.org/10.1002/mawe.200390110.

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Hauschild, D., J. Kumstel, and E. Willenborg. "Produktivitätssteigerung bei der Laserpolitur/Productivity increase by laser polishing." wt Werkstattstechnik online 106, no. 11-12 (2016): 841–46. http://dx.doi.org/10.37544/1436-4980-2016-11-12-63.

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Abstract:
Stand der Technik für die Politur vieler komplex geformter Bauteile ist die zeit- und kostenintensive manuelle Politur. Das Laserpolieren ist ein alternatives automatisiertes Polierverfahren. Es beruht auf dem Umschmelzen einer dünnen Randschicht und Glättung der Oberfläche infolge Grenzflächenspannung. Im Forschungsprojekt „polieren10X“ wurde beim Laserpolieren gefräster Stahloberflächen durch den Einsatz von neuen Laserstrahlprofilen die Flächenrate um den Faktor 10 gesteigert.   Today, the polish of many complex-shaped components goes back to time-consuming and costly manual polishing. Laser polishing is an alternative automated polishing method based on the melting of a thin surface layer and smoothing of the surface due to the surface tension. The research project “polieren10X” achieved ten times the productivity with laser polishing of machined steel surfaces by using new laser beam profiles.
10

Dalke, A., J. Gleißner, H. J. Spies, R. Zenker, and A. Franke. "Einfluss der Behandlungsbedingungen beim Nitrocarburieren auf Härte, Verschleiß- und Korrosionswiderstand der Randschicht nichtrostender Stähle*." HTM Journal of Heat Treatment and Materials 69, no. 4 (August 28, 2014): 201–8. http://dx.doi.org/10.3139/105.110229.

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You might also be interested in the extended bibliographies on the topic 'Randschicht' for particular source types:
Journal articles Dissertations / Theses

Dissertations / Theses on the topic "Randschicht":

1

Schmitz, Daniela. "Statistische Beschreibung von intermittenten Ereignissen in der Randschicht des Tokamaks TEXTOR." Jülich : Forschungszentrum, Zentralbibliothek, 2006. http://deposit.d-nb.de/cgi-bin/dokserv?idn=987947745.

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Juijerm, Patiphan. "Fatigue behavior and residual stress stability of deep-rolled aluminium alloys AA5083 and AA6110 at elevated temperature." Kassel Kassel Univ. Press, 2006. http://deposit.d-nb.de/cgi-bin/dokserv?idn=986624373.

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Juijerm, Patiphan. "Fatigue behavior and residual stress stability of deep-rolled aluminium alloys AA5083 and AA6110 at elevated temperature." Kassel : Kassel Univ. Press, 2007. http://nbn-resolving.de/urn:nbn:de:0002-2602.

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Nikitin, Ivan. "Zur Verbesserung des Ermüdungsverhaltens des austenitischen Stahls X5CrNi18-10 im Temperaturbereich 25-600C̊ durch mechanische Randschichtverfestigungsverfahren." Kassel Kassel Univ. Press, 2007. http://www.uni-kassel.de/hrz/db4/extern/dbupress/publik/abstract.php?978-3-89958-355-7.

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Merkel, Jens. "Untersuchungen zum Einfluss von Kugelstrahl- und Festwalzbehandlungen auf den Randschichtzustand und die Schwingfestigkeit von Sintereisenwerkstoffen." Aachen Shaker, 2008. http://d-nb.info/992707765/04.

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Klemenz, Manuel. "Anwendung der Simulation der Randschichtausbildung beim Kugelstrahlen auf die Abschätzung der Schwingfestigkeit gekerbter Bauteile." Aachen Shaker, 2009. http://d-nb.info/1000359298/04.

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Krames, Bert. "Räumliche Konzentrationsverteilungen von N2-Triplett-Zuständen im elektrodennahen Plasma einer RF-Niederdruckentladung." Doctoral thesis, Universitätsbibliothek Chemnitz, 2000. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200000269.

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Abstract:
Im Niedertemperaturplasma einer Stickstoff-Hochfrequenzgasentladung werden mit Hilfe der plasmadiagnostischen Methoden LIF und OES räumliche Konzentrationsprofile der N2-Triplett-Zustände A, B und C in verschiedenen Schwingungsniveaus studiert. Dabei wird die Druckabhängigkeit im Bereich 30 bis 100 Pa und die Abhängigkeit von der Brennspannung bis 250 V untersucht. Die deutlich unterschiedlichen räumlichen Verteilungen der verschiedenen Spezies werden mit Hilfe einer Modellierung beschrieben, die sowohl Elektronenstoßanregung in der Plasmarandschicht als auch Diffusion, Stoßabregung, Kaskadenprozesse sowie Deaktivierung durch Wandstöße berücksichtigt. Dabei zeigt sich, daß vor allem Wandstöße für die räumliche Verteilung der langlebigen Spezies A(v=0,1) von zentraler Bedeutung sind. Die kurzlebigen C und B finden sich hingegen hauptsächlich in der Plasmarandschicht. Durch die Kombination der LIF mit Rayleighstreulichtexperimenten werden absolute Teilchendichten der drei Triplett-Zustände bestimmt.
8

Habedank, Gabriele [Verfasser]. "Neuartige Bearbeitungsverfahren zur Modifizierung senkerodierter Randschichten / Gabriele Habedank." Aachen : Shaker, 2005. http://d-nb.info/1181620821/34.

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9

Neher, Roland. "Phasenbeziehungen und kinetische Modellierung von flüssigphasengesintertem SiC mit oxidischen und nitridischen Additiven." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-148121.

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Abstract:
In the present dissertation the formation of microstructure, the kinetics of densification and the formation of surface layers developing during liquid phase sintering of silicon carbide are studied. The focus is on the additive systems Al2O3 plus Y2O3 and AlN plus Y2O3. Phase and especially liquid phase formation in both of the systems SiC, Al2O3 , Y2O3 and AlN, Al2O3 , Y2O3 are investigated in detail examining 12 espectively 17 different compositions per system. Melting temperatures have been determined by TG/DTA, in both systems for the first time. Phase composition of samples was analysed by the combination of XRD, SEM and EDX. In the system SiC, Al2O3 , Y2O3 the formation of the phases expected from the quasibinary Al2O3 , Y2O3 could be observed thus silicon carbide has to be in equilibrium with the oxide additives. The low solubility of SiC in the oxide melt, which was suggested by Hoffmann and Nader, could be confirmed. In the system AlN, Al2O3 , Y2O3 the formation of phases as stated by Medraj was confirmed, except for the dimension of the stability region of the γ- spinel and YAG which is wider in the present work. For the first time diffusion coefficients of the species Y3+ and Al3+ in the oxide melt formed by Al2O3 and Y2O3 at temperatures above 1825 ◦ C were determined. The values are in the order of 2 · 10−6 cm2 /s which results in a diffusion length of 14.1 μm for a diffusion time of one second. This allows the fast equilibration of Y and Al deficiencies. Kinetics of densification was modeled by kinetic field, master curve and thermokinetic method, based on detailed experimental investigation of the shrinkage during liquid phase sintering of SiC. It could be proved that the first 30 − 40 % of densification are controlled by solid phase reactions which accelerate particle rearrangement without presence of a liquid phase. During the remaining 60 − 70 % of densification a liquid is present, resulting in the predominance of mechanisms of liquid phase sintering. The models deliver activation energies in the range from 608 KJ/mol to 1668 kJ/mol and allow, within the scope of validity of each method the prediction of densification during liquid phase sintering of silicon carbide. When sintering silicon carbide with Al2O3 plus Y2O3 the formation of several surface layers, depending on atmosphere, maximum temperature, dwelling time and amount and composition of additives was observed. In nitrogen atmosphere with low partial pressures a surface layer consisting of AlN is forming whilst at high partial pressures SiAlON- polytypes occur. After sintering in Argon or Ar-CO- atmosphere three main types of surface layers are present. One consists of alumina, one contains only YAG and one shows highly porous, additive depleted regions. An explanation for the formation of the several surface layers could be given by the combination of the determined diffusion coefficients with the results achieved in the thermodynamics part. The results achieved in this work can be a contribution to the knowledge based design of the production process of liquid phase sintering of silicon carbide.
10

Seis, Christian. "Scaling laws in two models for thermodynamically driven fluid flows." Doctoral thesis, Universitätsbibliothek Leipzig, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-81228.

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Abstract:
In this thesis, we consider two models from physics, which are characterized by the interplay of thermodynamical and fluid mechanical phenomena: demixing (spinodal decomposition) and Rayleigh--Bénard convection. In both models, we investigate the dependencies of certain intrinsic quantities on the system parameters. The first model describes a thermodynamically driven demixing process of a binary viscous fluid. During the evolution, the two components of the mixture separate into two domains of the different equilibrium volume fractions. One observes a clear tendency: Larger domains grow at the expense of smaller ones, and thus, the average domain sizes increases --- a phenomenon called coarsening. It turns out that two mechanisms are relevant for the coarsening process. At an early stage of the evolution, material transport is essentially mediated by diffusion; at a later stage, when the typical domain size exceeds a certain value, due to the viscosity of the mixture, a fluid flow sets in and becomes the relevant transport mechanism. In both regimes, the growth rates of the typical domain size obey certain power laws. In this thesis, we rigorously establish one-sided bounds on these growth rates via a priori estimates. The second model, Rayleigh--Bénard convection, describes the behavior of a fluid between two rigid horizontal plates that is heated from below and cooled from above. There are two competing heat transfer mechanisms in the system: On the one hand, thermodynamics favors a state in which temperature variations are locally minimized. Thus, in our model, the thermodynamical equilibrium state is realized by a temperature with a linearly decreasing profile, corresponding to pure conduction. On the other hand, due to differences in the densities of hot and cold fluid parcels, buoyancy forces act on the fluid. This results in an upward motion of hot parcels and a downward motion of cold parcels. We study the dependence of the average upward heat flux, measured in the so-called Nusselt number, on the temperature forcing encoded by the container height. It turns out that the efficiency of the heat transport is independent of the height of the container, and thus, the Nusselt number is a constant function of height. Using a priori estimates, we prove an upper bound on the Nusselt number that displays this dependency --- up to logarithmic errors. Further investigations on the flow pattern in Rayleigh--Bénard convection show a clear separation of length scales: Along the horizontal top and bottom plates one observes thin boundary layers in which heat is essentially conducted, whereas the large bulk is characterized by a convective heat flow. We give first rigorous results in favor of linear temperature profiles in the boundary layers, which indicate that heat is indeed essentially conducted close to the boundaries.
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Book chapters on the topic "Randschicht":

1

Geißler, Rainer. "Deutsche Randschichten: Arme — Obdachlose — Langzeitarbeitslose." In Die Sozialstruktur Deutschlands, 180–213. Wiesbaden: VS Verlag für Sozialwissenschaften, 1996. http://dx.doi.org/10.1007/978-3-322-95660-6_9.

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Geißler, Rainer. "Deutsche Randschichten: Arme — Obdachlose — Langzeitarbeitslose." In Die Sozialstruktur Deutschlands, 245–81. Wiesbaden: VS Verlag für Sozialwissenschaften, 2002. http://dx.doi.org/10.1007/978-3-322-95667-5_10.

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Geißler, Rainer. "Deutsche Randschichten: Arme - Obdachlose - Langzeitarbeitslose." In Die Sozialstruktur Deutschlands, 201–30. Wiesbaden: VS Verlag für Sozialwissenschaften, 2011. http://dx.doi.org/10.1007/978-3-531-92055-9_10.

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4

Feinle, P., G. Nowak, and W. Amende. "Auflegieren von Randschichten mit CO2-Laserstrahlen unter Einbeziehung von Kupfer- und Aluminiumlegierungen." In Laser/Optoelektronik in der Technik / Laser/Optoelectronics in Engineering, 452–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-83174-4_92.

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Amende, W. "Die gezielte Veränderung der Gebrauchseigenschaften von metallischen Randschichten unter Einsatz des Hochleistungs-CO2-Lasers." In Laser/Optoelektronik in der Technik / Laser/Optoelectronics in Engineering, 281–88. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-83174-4_62.

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"Deutsche Randschichten: Arme — Obdachlose — Langzeitarbeitslose." In Die Sozialstruktur Deutschlands, 201–30. Wiesbaden: VS Verlag für Sozialwissenschaften, 2008. http://dx.doi.org/10.1007/978-3-531-91195-3_10.

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