Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2018Grain growth inhibition of hardmetals during initial heat-up
Pötschke, Johannes; Gestrich, Tim; Richter, Volkmar
Journal Article
2018Nanoskaliges Hartmetall - Fiktion oder Realität?
Michaelis, Alexander; Pötschke, Johannes; Richter, Volkmar
Book Article
2017Grain growth inhibition in ultrafine hardmetals
Pötschke, Johannes; Richter, Volkmar; Gestrich, Tim; Säuberlich, Tino; Meese-Marktscheffel, Juliane
Journal Article
2017Microstructural evolution during sintering of cermets studied using interrupted sintering experiments and novel 2D and 3D FESEM based techniques
Pötschke, Johannes; Höhn, Sören; Richter, Volkmar; Mayer, Markus
Journal Article
2016Manufacturing and properties of polycrystalline WC-Co based cemented carbides
Pötschke, Johannes; Richter, Volkmar; Mayer, Markus
Conference Paper
2016Novel polycrystalline WC-Co based cemented carbides and their properties
Pötschke, Johannes; Richter, Volkmar; Mayer, Markus
Conference Paper
2016Tool technologies for milling of hardmetals and ceramics
Bergs, Thomas; Richter, Volkmar; Ottersbach, Michael; Pötschke, Johannes; Hochmuth, Carsten; Busch, Katja
Conference Paper
2015Formation of carbide segregations in nanoscaled hardmetals
Pötschke, Johannes; Mayer, Markus; Richter, Volkmar
Poster
2015Fundamentals of sintering nanoscaled binderless hardmetals
Pötschke, Johannes; Richter, Volkmar; Michaelis, Alexander
Journal Article, Conference Paper
2014Grain growth during sintering of tungsten carbide ceramics
Poetschke, Johannes; Richter, Volkmar; Gestrich, Tim; Michaelis, Alexander
Journal Article
2014Influence of small additions of MeC on properties of binderless tungsten carbide
Poetschke, J.; Richter, V.; Michaelis, A.
Conference Paper
2013High pressure - Low temperature sintering of tungsten carbide ceramics
Poetschke, J.; Grasso, S.; Richter, V.; Michaelis, A.
Conference Paper
2013Latest research results on the effects of nanomaterials on humans and the environment: DaNa - knowledge base nanomaterials
Marquardt, C.; Kühnel, D.; Richter, V.; Krug, H.F.; Mathes, B.; Steinbach, C.; Nau, K.
Journal Article, Conference Paper
2013Low-temperature spark plasma sintering of pure nano wc powder
Grasso, S.; Poetschke, J.; Richter, V.; Maizza, G.; Sakka, Y.; Reece, M.J.
Journal Article
2013Nanomaterials and ceramic nanoparticles - use without side-effects?
Roesslein, M.; Richter, V.; Wick, P.; Krug, H.F.
Journal Article
2012Influence and effectivity of VC and Cr3C2 grain growth inhibitors on sintering of binderless tungsten carbide
Poetschke, Johannes; Richter, Volkmar; Holke, Roland
Journal Article
2012Pressure-assisted sintering of WC ceramics
Poetschke, J.; Richter, V.; Michaelis, A.
Abstract
2012Sintering Behaviour of Binderless Tungsten Carbide
Poetschke, J.; Richter, V.; Gestrich, T.
Conference Paper
2012Sinterverhalten von Hartmetallen und Charakterisierung mittels Ionenstrahlpräparation und werkstoffanalytischer Verfahren
Höhn, S.; Pötschke, J.; Richter, V.
Conference Paper
2012Zerspanwerkzeuge aus nanoskaligen Materialien und superharten Schichten zur Trocken-, Hart- und Gussbearbeitung (NanoHM)
Kölker, Werner; Hartmann, C.; Stothard, N.; Bolz, S.; Hennicke, J.; Kessel, T.; Kessel, H.U.; Richter, Volkmar; Holke, R.; Pötschke, Johannes; Bewilogua, Klaus; Keunecke, Martin; Stein, Christian; Caspers, B.; Hünsche, I.; Schnitter, C.; Berg, H. van den; Kassel, D.; Rödiger, K.
Report
2011Competences of Fraunhofer IKTS in powder and hard metal technology
Moritz, T.; Richter, V.
Journal Article
2011The influence and the effectivity of VC and Cr3C2 grain growth inhibitors on sintering of binderless nanocrystalline tungsten carbide powders
Poetschke, J.; Richter, V.; Holke, R.
Conference Paper
2011Internalisation of engineered nanoparticles into mammalian cells in vitro: influence of cell type and particle properties
Busch, W.; Bastian, S.; Trahorsch, U.; Iwe, M.; Kühnel, D.; Meißner, T.; Springer, A.; Gelinsky, M.; Richter, V.; Ikonomidou, C.; Potthoff, A.; Lehmann, I.; Schirmer, K.
Journal Article
2010Cubic boron nitride coatings - sputter deposition, properties and application tests
Bewilogua, K.; Keunecke, M.; Park, S.T.; Stein, C.; Weigel, K.; Richter, V.; Oyanedel-Fuentes, J.A.
Conference Paper
2010Health risks of nanoparticles
Richter, V.; Holke, R.; Meißner, T.; Potthoff, A.; Kühnel, D.; Busch, W.; Schirmer, K.; Bastian, S.; Iwe, M.; Gelinsky, M.; Springer, A.; Ikonomidou, H.
Conference Paper
2010The influence of mill type and milling conditions on the homogeneity of ready-to-press powders
Richter, V.; Holke, R.
Conference Paper
2010Physical-chemical characterization of tungsten carbide nanoparticles as a basis for toxicological investigations
Meißner, T.; Kühnel, D.; Busch, W.; Oswald, S.; Richter, V.; Michaelis, A.; Schirmer, K.; Potthoff, A.
Journal Article
2010Physico-chemical characterization in the light of toxicological effects
Meissner, T.; Potthoff, A.; Richter, V.
Journal Article
2009Agglomeration of tungsten carbide nanoparticles in exposure medium does not prevent uptake and toxicity toward a rainbow trout gill cell line
Kühnel, D.; Busch, W.; Meißner, T.; Springer, A.; Potthoff, A.; Richter, V.; Gelinsky, M.; Scholz, S.; Schirmer, K.
Journal Article
2009Development and assessment of nanoparticle suspensions as fundament for toxicological analysis
Meißner, T.; Potthoff, A.; Richter, V.
Abstract
2009Evaluation of health risks of nanoparticles - a contribution to a sustainable development of nanotechnology
Potthoff, A.; Meißner, T.; Richter, V.; Busch, W.; Kühnel, D.; Bastian, S.; Iwe, M.; Springer, A.
Conference Paper
2009Physico-chemical characterization in the light of toxicological effects
Meißner, T.; Potthoff, A.; Richter, V.
Journal Article
2009Suspension characterization as important key for toxicological investigations
Meißner, T.; Potthoff, A.; Richter, V.
Conference Paper
2009Toxicity of tungsten carbide and cobalt-doped tungsten carbide nanoparticles in mammalian cells in vitro
Bastian, S.; Busch, W.; Kühnel, D.; Springer, A.; Meißner, T.; Holke, R.; Scholz, S.; Iwe, M.; Pompe, W.; Gelinsky, M.; Potthoff, A.; Richter, V.; Ikonomidou, C.; Schirmer, K.
Journal Article
2009Tungsten carbide and tungsten carbide cobalt nanoparticle toxicity: The role of cellular particle uptake, leached ions and cobalt bioavailability
Busch, W.; Kühnel, D.; Springer, A.; Meißner, T.; Gelinsky, M.; Potthoff, A.; Scholz, S.; Richter, V.; Schirmer, K.
Abstract
2008Bewertung der Gesundheitsrisiken von Nanopartikeln - Ein Beitrag zur nachhaltigen Entwicklung der Nanotechnologie
Richter, V.; Bastian, S.
Journal Article
2008Evaluation of health risks of nano- and microparticles
Richter, V.; Potthoff, A.; Pompe, W.; Gelinsky, M.; Ikonomidou, H.; Bastian, S.; Schirmer, K.; Scholz, S.; Hofinger, J.
Journal Article
2008Interaction of technically relevant nanoparticles with cells
Gelinsky, M.; Springer, A.; Hanke, T.; Iwe, M.; Bastian, S.; Ikonomidou, H.; Kühnel, D.; Busch, W.; Scholz, S.; Schirmer, K.; Meissner, T.; Richter, V.; Potthoff, A.; Pompe, W.
Conference Paper
2008NanoHM - Cutting tools made from nanoscale materials with superhard coatings for dry machining and applications in hardened steels and cast iron
Kölker, W.; Berg, H. van den; Hünsche, I.; Kursawe, S.; Kessel, H.U.; Richter, V.; Keunecke, M.
Conference Paper
2008Visualisation of synthetic nanoparticles in cells and small organisms
Hanke, T.; Springer, A.; Rudolph, E.; Heinemann, C.; Mkandawire, M.; Opitz, J.; Gelinsky, M.; Schirmer, K.; Ikonomidou, H.; Richter, V.
Conference Paper
2008Visualisation of synthetic nanoparticles in cells and small organisms - A contribution to the identification of toxic potency and toxic mechanisms
Hanke, T.; Springer, A.; Rudolph, E.; Heinemann, C.; Mkandawire, M.; Opitz, J.; Gelinsky, M.; Schirmer, K.; Ikonomidou, H.; Richter, V.
Conference Paper
2007Anwendung superharter Beschichtungen in der Zerspantechnik
Keunecke, M.; König, J.; Richter, V.; Wiemann, E.
Journal Article
2007BMBF-Project INOS - evaluation of health risks of nanoparticles - a contribution to a sustainable development of nanotechnology
Richter, V.; Potthoff, A.; Pompe, W.; Gelinsky, M.; Ikonomidou, H.; Bastian, S.; Schirmer, K.; Scholz, S.; Hofinger, J.
Conference Paper
2007Do technical nanosized particles expert a toxic potential in vertibrate cell lines?
Kühnel, D.; Busch, W.; Rösler, M.; Holke, R.; Meißner, T.; Richter, V.; Potthoff, A.; Springer, A.
Abstract
2007Evaluation of the toxic potential of different nanoparticles in neuronal and glial cell cultures
Iwe, M.; Bastian, S.; Holke, R.; Meißner, T.; Richter, V.; Potthoff, A.; Springer, A.; Gelinski, M.; Pompe, W.; Ikonomidou, H.
Abstract
2007Of fine powders, hardmetals, hazard and health risk
Richter, V.; Potthof, A.; Pompe, W.; Gelinsky, M.; Ikonomidou, H.; Bastia, S.; Schirmer, K.; Scholz, S.; Hofinger, J.
Journal Article
2007Superhard coatings for cutting tools
Wiemann, E.; König, J.; Keunecke, M.; Richter, V.
Journal Article
2007Suspension characterization of synthetic nanoparticles under physiological conditions as a tool for toxicological studies
Meißner, T.; Potthoff, A.; Richter, V.
Abstract
2006Dreh- und Fräswerkzeuge mit cBN-Beschichtungen
Uhlmann, E.; Wiemann, E.; Keunecke, M.; Richter, V.
Journal Article
2006Dreh- und Fräswerkzeuge mit cBN-Beschichtungen
Uhlmann, E.; Wiemann, E.; Keunecke, M.; Richter, V.
Journal Article
2006PCBN cutting tools in a competitive market
Richter, V.; Fripan, M.
Conference Paper
2006Polykristallines Hartstoffpulver, Kompositwerkstoff mit einem polykristallinen Hartstoffpulver und Verfahren zur Herstellung eines polykristallinen Hartstoffpulvers
Richter, V.
Patent
2006Sintering of diamond-cemented carbide-composites
Holke, R.; Richter, V.; Böhlke, W.; Weiland, F.; Barbier, G.
Conference Paper
2006Surface state and wear of cutting tools
Richter, V.
Conference Paper
2005Hartmetalle - am härtesten ohne Metall
Richter, V.
Journal Article
2005Wear of coated hardmetals in machining cast iron
Richter, V.
Conference Paper
2004Properties of binderless hardmetal densified by SinterHIP, hot pressing and SPS
Richter, V.; Holke, R.; Ruthendorf, M. von; Schmidt, J.; Grin, Y.
Conference Paper
2003Konzeption und prototypische Realisierung einer virtuellen Lernumgebung
Nebel, R.
: Urban, N. (Prüfer); Richter, V. (Prüfer)
Thesis
2002Wasserstrahlschneidhochdruckduese
Richter, V.; Ruthendorf, M. von
Patent
2001Gradient Structures in Hardmetals
Richter, V.; Ruthendorf, M. von
Conference Paper
2001Grain growth controlled in fine-grained tungsten carbide
Richter, V.
Journal Article
2001Verschleißmechanismen bei der Bearbeitung von Grauguß
Richter, V.
Conference Paper
1999Alumina tools for machining chilled cast iron, hardened steel
Krell, A.; Blank, P.; Berger, L.-M.; Richter, V.
Journal Article
1999Hartbearbeitung mit Submikrometer-Al2O3-Schneidkeramiken
Krell, A.; Richter, V.
Journal Article
1999High-speed continuos and discontinuos machining of hardened steel and hard cast iron using submicrometer ceramics on the basis of Al2O3
Krell, A.; Blank, P.; Berger, L.-M.; Richter, V.
Conference Paper
1999Perspektiven super-ultrafeiner und nanokristalliner harter Werkstoffe
Richter, V.; Ruthendorf, M. von; Drobniewski, J.
Conference Paper
1999Sub-Micrometer Alumina Cutting Ceramics for Continuous and Discontinuous Machining of Hard Materials
Krell, A.; Blank, P.; Berger, L.-M.; Richter, V.
Journal Article
1999Submicrometer alumina tool ceramics
Krell, A.; Blank, P.; Berger, L.-M.; Richter, V.
Conference Paper
1999Submicrometer cutting tools on the basis of Al2O3 for machining alloyed hard cast iron and hardened steel
Krell, A.; Blank, P.; Berger, L.-M.; Richter, V.
Conference Paper
1998Carbonitrid-Pulver, Verfahren zu ihrer Herstellung sowie deren Verwendung
Gille, G.; Gries, B.; Berger, L.-M.; Richter, V.; Ruthendorf Przewoski, M. von
Patent
1998Verfahren zur Herstellung von sinterfaehigen Gruenkoerpern unter Verwendung von nanoskaligen nichtoxidischen Pulvern
Boden, G.; Lenk, R.; Richter, V.; Ruthendorf Przewoski, M. von
Patent
1997Epitaxial overgrowth of 13C diamond films on diamond substrates predamaged by ion implantation
Behr, D.; Locher, R.; Wagner, J.; Koidl, P.; Richter, V.; Kalish, R.
Journal Article
1997Perspektiven feinkörniger Hartmetalle
Richter, V.; Ruthendorf, M. von; Drobniewski, J.
Conference Paper
1997Systematische Schneidstoffauswahl im Automobilbau
Zielasko, W.; Raab, M.; Richter, V.; Drobniewski, J.
Conference Paper
1996Cermet- Hartstoffschicht- Verbund und Verfahren zu dessen Herstellung
Endler, I.; Wolf, E.; Leonhardt, A.; Richter, V.
Patent
1996Characterisation and wear behaviour of TiN- and TiC(x)N(1-x)-coated cermets
Richter, Volkmar; Beger, A.; Drobniewski, J.; Endler, Ingolf; Wolf, E.
Journal Article, Conference Paper
1996Consolidation of nanocrystalline titanium carbonitride powders
Richter, V.; Boden, G.; Nebelung, M.; Ruthendorf, M. von
Conference Paper
1995Preparation, characterization and wear behaviour of PACVD cermets
Endler, Ingolf; Wolf, E.; Leonhardt, A.; Richter, Volkmar
Journal Article
1995Werkstoffe und Bauteile mit gradiertem Aufbau durch Pulvermetallurgie
Richter, V.; Jüngling, T.; Joensson, M.
Conference Paper
1994Hartmetall auf der Basis von Titankarbonitrid.
Richter, V.; Kotsch, H.; Klauss, H.J.; Kubsch, H.
Patent
1994Nonstoichiometric transition metal carbides - synthesis, properties and potential areas of application
Rempel, A.A.; Gusev, A.I.; Berger, L.-M.; Richter, V.
Conference Paper
1994Preparation, characterization and wear behaviour of TiN(x)-coated cermets obtained by plasma-enhanced chemical vapour deposition
Endler, Ingolf; Wolf, E.; Leonhardt, A.; Beger, A.; Richter, Volkmar
Journal Article