Auflistung nach Schlagwort "Metals"

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  • Carbon dioxide free production of hydrogen 
    Stoppel, L.; Fehling, T.; Geißler, T.; Baake, E.; Wetzel, T. (Bristol : Institute of Physics Publishing, 2017)
    The present report summarizes the theoretical modelling and experimental investigation results of the study on the direct thermal methane cracking. This work is a part of the LIMTECH-Project (Liquid Metal Technologies) ...
  • Chip formation in machining metal bonded grinding layers 
    Denkena, Berend; Grove, Thilo; Suntharakumaran, Vino (Amsterdam : Elsevier B.V., 2018)
    Gears demand increasingly high quality regarding acoustic emissions, surface roughness and lifetime. Therefore, grinding is often the last step in the process chain of gear manufacturing. Grinding wheel grain sizes of 30 ...
  • Endoscopic fringe projection for in-situ inspection of a sheet-bulk metal forming process 
    Matthias, Steffen; Kästner, Markus; Reithmeier, Eduard (Bellingham, Wash. : SPIE, 2015)
    Sheet-bulk metal forming is a new production process capable of performing deep-drawing and massive forming steps in a single operation. However, due to the high forming forces of the forming process, continuous process ...
  • Energy-efficient Drive Concepts in Metal-forming Production 
    Behrens, Bernd-Arno; Bouguecha, Anas; Krimm, Richard; Teichrib, Sergej; Nitschke, Thomas (Amsterdam : Elsevier, 2016)
    Nowadays, efficient drive solutions for the production industry are more important than ever. In view of this, new energy-efficient drive concepts for forming presses and sheet metal feeding systems are developed at the ...
  • Fabrication of thermoformable circuits by laser patterning of metallized thermoplastic foils 
    Wojakowski, Bodo; Klug, Ulrich; Düsing, Jan; Kling, Rainer (Amsterdam : Elsevier B.V., 2010)
    High-resolution laser patterning offers innovative methods for the manufacturing of three dimensional interconnect devices. The process chain presented in this paper uses cost efficient metal thin-films sputtered on ...
  • Forming and Joining of Carbon-Fiber-Reinforced Thermoplastics and Sheet Metal in One Step 
    Behrens, Bernd-Arno; Hübner, Sven; Grbic, Nenad; Micke-Camuz, Moritz; Wehrhane, Tim; Neumann, André (London : Elsevier Ltd., 2017)
    The processing and component properties of metals have led to their worldwide success in mechanical engineering. Their advantages are high ductility, efficient production methods, good joining ability and nearly isotropic ...
  • Forming sheets of metal and fibre-reinforced plastics to hybrid parts in one deep drawing process 
    Behrens, Bernd-Arno; Hübner, Sven; Neumann, André (Amsterdam : Elsevier, 2014)
    Each material has its own advantages and disadvantages in terms of its mechanical, chemical and physical properties. Metallic materials are comparatively ductile and easy to process. Fibre reinforced plastics are very stiff ...
  • Heterologous Expression, Purification, and Biochemical Characterization of α-Humulene Synthase from Zingiber zerumbet Smith 
    Alemdar, Semra; Hartwig, Steffen; Frister, Thore; König, Jan Christoph; Scheper, Thomas; Beutel, Sascha (New York City, NY : Springer Humana Press Inc., 2016)
    The α-humulene synthase from Zingiber zerumbet Smith was expressed as a polyhistidine-tagged protein in an E. coli BL21(DE3) strain. Induction time and inductor (isopropyl-β-D-thiogalactopyranoside) concentration were ...
  • Ion Beam Processing for Sample Preparation of Hybrid Materials with Strongly Differing Mechanical Properties 
    Barienti, Khemais; Kahra, Christoph; Herbst, Sebastian; Nürnberger, Florian; Maier, Hans Jürgen (Heidelberg : Springer, 2020)
    For studies of the interface zone of metallic composites with significantly differing mechanical properties across the interface, high-quality sample preparation is paramount. In particular, the analysis of the composition ...
  • Kinetic and mechanistic features on the reaction of stored TiO2 electrons with Hg (II), Pb (II) and Ni (II) in aqueous suspension 
    Mohamed, Hanan H.; Alomair, Nuhad A.; Bahnemann, Detlef W. (Amsterdam : Elsevier BV, 2016)
    The reaction of electrons stored on TiO2 nanoparticles with heavy metal ions Hg (II), Ni (II) and Pb (II) has been studied employing steady state and stopped flow spectrophotometric techniques. Prior to kinetic investigation ...
  • Liquid metals for solar power systems 
    Flesch, J.; Niedermeier, K.; Fritsch, A.; Musaeva, D.; Marocco, L.; Uhlig, R.; Baake, E.; Buck, R.; Wetzel, T. (Bristol : Institute of Physics Publishing, 2017)
    The use of liquid metals in solar power systems is not new. The receiver tests with liquid sodium in the 1980s at the Plataforma Solar de Almer a (PSA) already proved the feasibility of liquid metals as heat transfer fluid. ...
  • Mechanistic insights into plasmonic photocatalysts in utilizing visible light 
    Leong, Kah Hon; Aziz, Azrina Abd; Sim, Lan Ching; Saravanan, Pichiah; Jang, Min; Bahnemann, Detlef W. (Frankfurt am Main : Beilstein-Institut zur Förderung der Chemischen Wissenschaften, 2018)
    The utilisation of sunlight as an abundant and renewable resource has motivated the development of sustainable photocatalysts that can collectively harvest visible light. However, the bottleneck in utilising the low energy ...
  • Microstructural characterization and simulation of damage for geared sheet components 
    Gerstein, G.; Isik, K.; Gutknecht, F.; Sieczkarek, P.; Ewert, J.; Tekkaya, A.E.; Clausmeyer, T.; Nürnberger, F. (Bristol : Institute of Physics Publishing, 2017)
    The evolution of damage in geared components manufactured from steel sheets was investigated, to analyse the influence of damage caused by the sheet-bulk-metal forming. Due to the inhomogeneous and multi-axial deformation ...
  • Non-local ductile damage formulations for sheet bulk metal forming 
    Beese, Steffen; Loehnert, Stefan; Wriggers, Peter (Bristol : Institute of Physics Publishing, 2016)
    A ductile damage model for sheet bulk metal forming processes and its efficient and accurate treatment in the context of the Finite Element Method is presented. The damage is introduced as a non-local field to overcome ...
  • Optimizing the Solar Cell Front Side Metallization and the Cell Interconnection for High Module Power Output 
    Witteck, Robert; Schulte-Huxel, Henning; Holst, Hendrik; Hinken, David; Vogt, Malte R.; Blankemeyer, Susanne; Köntges, Marc; Bothe, Karsten; Brendel, Rolf (London : Elsevier Ltd., 2016)
    Improving the light trapping in a module results in an increase in the generated current. Consequently, an optimization of the front grid metallization of the cell is required for the best trade-off between series resistance, ...
  • Paralyzed membrane: Current-driven synthesis of a metal-organic framework with sharpened propene/propane separation 
    Zhou, Sheng; Wei, Yanying; Li, Libo; Duan, Yifan; Hou, Qianqian; Zhang, Lili; Ding, Liang-Xin; Xue, Jian; Wang, Haihui; Caro, Jürgen (Washington : American Association for the Advancement of Science (A A A S), 2018)
    Metal-organic framework (MOF) membranes show great promise for propene/propane separation, yet a sharp molecular sieving has not been achieved due to their inherent linker mobility. Here, zeolitic imidazolate framework ...
  • Purification and partial characterization of an extracellular melanoprotein from the fungus Venturia inaequalis 
    Singh, P.; Piotrowski, M.; Gau, A.E. (Berlin : De Gruyter, 2005)
    The fungus Venturia inaequalis clone No. 36 isolated from Malus domestica cv. Gloster excretes a melanoprotein of 36 kDa in relatively high amounts during growth in liquid culture. The protein was isolated from the culture ...
  • Role of the metal cation in the dehydration of the microporous metal–organic frameworks CPO-27-M 
    Rosnes, Mali H.; Pato-Doldán, Breogán; Johnsen, Rune E.; Mundstock, Alexander; Caro, Jürgen; Dietzel, Pascal D.C. (Amsterdam [u.a.] : Elsevier, 2020)
    The dehydration of the CPO-27-M (M-MOF-74, M = Zn, Co, Ni, Mg, Mn, Cu) metal-organic framework series has been investigated comprehensively using in situ variable temperature powder X-ray diffraction (VT-PXRD) and thermal ...
  • Selective oxidation of tool steel surfaces under a protective gas atmosphere using inductive heat treatment 
    Schöler, S.; Yilkiran, D.; Wulff, D.; Özkaya, F.; Möhwald, K.; Behrens, Bernd-Arno; Maier, H.J. (Les Ulis : EDP Sciences, 2018)
    For the realization of liquid lubricant free forming processes different approaches are conceivable. The priority program 1676 "Dry forming - Sustainable production through dry machining in metal forming" addresses this ...
  • Single Print Metal Stencils for High-efficiency PERC Solar Cells 
    Hannebauer, H.; Falcon, T.; Cunnusamy, J.; Dullweber, Thorsten (London : Elsevier Ltd., 2016)
    Industrial silicon solar cells like Passivated Emitter and Rear Cells (PERC) typically apply a screen-printed (Ag) front contact with a single print process using a mesh screen. It has been shown that using stencils instead ...