1–50 von 66 Ergebnissen
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    Experimental and numerical investigation of film cooling in hypersonic flows

    Heufer, K.A. / Olivier, H. | Tema Archiv | 2009
    turbine blades. Thereby mostly air is led through discrete holes in the blade to establish a cooling film on the surface that reduces the ...

    The effect of cooling rate on the mechanical properties and energy absorption potential of hardened boron steel

    Bardelcik, Alexander / Wells, Mary / Worswick, Michael | Tema Archiv | 2009
    were plotted for the various cooling rates and showed that small changes in cooling rate resulted in significant changes in the strength and ...
    Schlagwörter: Erwärmung

    The effect of cure cycle heating rate on the fibre/matrix interface.

    Coenen, Victoria / Walker, Andrew / Day, Richard et al. | Tema Archiv | 2007
    product and manufacturing processes to remain viable. The aerospace industry is undergoing a materials revolution in the design and manufacture of ...

    Oxynon CAB furnace - the next generation of aluminum brazing based on a rapid heating method

    Kanda, Kiichi / Konishi, Eiichiro | Tema Archiv | 2004
    partial repair/replacement of the muffle. Excellent temperature distribution within the heating zone due to high heat conductivity and emissivity ...

    Effects of heating on Teflon FEP thermal control material from the Hubble Space Telescope

    de Groh, Kim K. / Gaier, J.R. / Hall, R.L. et al. | Tema Archiv | 1999
    heating pristine and FEP exposed on HST was therefore conducted. Samples of pristine, SM1, and SM2 FEP were heated to 200 degree C and evaluated ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    Effect of underground water attack on the performance of mineral wool pipe insulation

    Chyu, M.C. / Zeng, X. / Ye, L. | Tema Archiv | 1998
    The performance of mineral wool pipe insulation employed to insulate the underground pipes in district heating and cooling systems has been ...
    Schlagwörter: Fernwärmeversorgung , Kühlung

    Behavior of cellular glass insulation on a DHC pipe subjected to underground water attack

    Chyu, M.C. / Zeng, X. / Ye, L. | Tema Archiv | 1998
    in a district heating and cooling system. The pipe's fluid temperature was tested from 35 degree F (1.6 degree C) to 20 degree F (216 degree ...
    Schlagwörter: Fernwärmeversorgung , Kühlung

    Determination of Effect of Quenching Parameters on Mechanical Properties of Industrial Steels by Experimental and Simulation Analysis

    Harinarain, Ajay / Saxena, Deepak / Dubey, Mukesh Kumar et al. | SAE Technical Papers | 2021
    of quenching and these are greatly influenced by cooling time, cooling rate, quench media, etc. The cooling rate of quenchant must be ...
    Verlag: Society of Automotive Engineers , SAE International
    Schlagwörter: Cooling , Simulation and modeling , Coatings, colorants, and finishes

    Newly designed vacuum-insulation for big pipes and pipelines

    Kerspe, J.H. / Zwarts, K. | Tema Archiv | 2007
    In the field of district-heating - especially for higher temperatures, aggressive and hazardous media and /or difficult geographic ...
    Schlagwörter: Fernwärmeversorgung

    Solidification studies on sand cast Al 6061-SiCp composites

    Ramesh, C.S. / Jagadeesh, S.K. / Keshavamurthy, R. | Tema Archiv | 2011
    Most of the automotive components are cast and their performance depends very much on the solidification phenomenon. Solidification is ...

    Strain Rate Effect on Martensitic Transformation in a TRIP Steel Containing Carbide-Free Bainite

    Enloe, Charles / Hector, Louis / Alturk, Rakan et al. | SAE Technical Papers | 2019
    Adiabatic heating during plastic straining can slow the diffusionless shear transformation of austenite to martensite in steels that ...
    Verlag: Society of Automotive Engineers , SAE International

    Demands on tool and machine design for temperature supported hydroforming of magnesium and aluminum alloys

    Neugebauer, Reimund / Seifert, Michael / Kurka, Petr et al. | Tema Archiv | 2006
    measures for strategic cooling of tool segments, the design and dimensions of the forming tool (including any insulation required) and the ...

    Thermal-mechanical fatigue testing of TBC-systems with controlled thermal gradients

    Bartsch, M. / Baufeld, B. / Mull, K. et al. | Tema Archiv | 2001
    service cycle in a realistic way, that means the simultaneous cyclic mechanically and thermally induced loads due to rotational forces, heating ...
    Schlagwörter: Erwärmung , Abkühlung

    Ground-based durability projection of ePTFE on ISS based on hubble space telescope degradation data

    Groh, K.K. de / Banks, B.A. / Dever, J.A. et al. | Tema Archiv | 2004
    International Space Station (ISS) applications based on ground-based X-ray irradiation and heating exposure that simulates bulk embrittlement as occurs ...

    Development and thermal property evaluation of chilled aluminum alloy-corundum particulate composite for automotive applications

    Shekar, K.S.S. / Hemanth, J. | Tema Archiv | 2007
    The present work focuses on the evaluation of high temperature thermal conductivity and coefficient of thermal expansion of chilled ...
    Schlagwörter: Abkühlung

    Sheet metal forming at elevated temperatures

    Neugebauer, R. / Altan, T. / Geiger, M. et al. | Tema Archiv | 2006
    appropriate temperature regime, including suitable heating and cooling strategies. This is essential for a maximum exploitation of the potentials of ...
    Schlagwörter: Erwärmung , Abkühlung

    Characterization of residual stresses in compressor discs for aeroengines: neutron diffraction and finite element simulations.

    Cihak, Ulrike / Stockinger, Martin / Staron, Peter et al. | Tema Archiv | 2005
    transfer is not constant, but depends on the surface and water temperature, a constant value of 4000 W/m(exp2)K seems to give a good approximation ...
    Verlag: The Minerals, Metals and Materials Society (TMS) , Warrendale
    Schlagwörter: Abschrecken (Abkühlen)

    Effect of interpass temperature on morphology, microstructure and microhardness of welded API 5L X65 steel

    Trevisan, R.E. / Santos, N.F. / Fals, H.C. et al. | Tema Archiv | 2002
    temperatures depend on two factors: composition of the material and cooling rate. It is very important to choose the correct interpass temperatures ...

    A detailed study on the thermal endurance of Kapton HN(trademark) and Upilex S(trademark)

    Heltzel, S. / Semprimoschnig, C.O.A. | Tema Archiv | 2003
    to perform kinetic modelling on several decomposition curves. Four temperature scans at different heating rates were recorded with the TGA ...

    Einfluss von Kunststoffen auf Designtrends und Funktionsinnovationen der Automobilbeleuchtung

    Berlitz, S. | Tema Archiv | 2012
    kommt ohne elektrische Kühlung aus. Der Fahrtwind tritt durch einen unten platzierten Einlass ein und durchströmt einen Luftkanal, um dann oben ...

    Effects of deformation-induced transformation of retained austenite on formability of high-strength steel sheets

    Hiwatashi, S. / Takahashi, M. / Sakuma, Y. et al. | Tema Archiv | 1993
    austenite. The formable steel sheets are produced either by hot-rolling or by cold-rolling and continuous annealing. Excellent stretchability and ...
    Schlagwörter: Kühlung

    Stacking sequence effects on the process-induced free-edge stresses in thermoplastic composite laminates

    Domb, M.M. / Hansen, J.S. | Tema Archiv | 1997
    on the resulting buildup of residual stresses during manufacturing. Therefore, it can assist in the design and analysis of thermoplastic ...
    Schlagwörter: Kühlung

    Simulation of hydrogen diffusion in a part-size sleeve-on-pipe mock-up for remote pipeline repair welding

    Lindholm, Dag / Fjaer, Hallvard G. / Woodward, Neil | Tema Archiv | 2013
    applications, which is exposed to pre-heating and post-heating, and to examine the decay of hydrogen in and adjacent to a 10 cm test weld which closes ...

    Active Thermal Protection

    Yakimov, A. S. | Springer Verlag | 2018
    intense heating zone—through porous surfaces are widely used to protect the head part of flight vehicles and surfaces of power plants against high ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Modeling of heat and mass transfer in a two-temperature permeable medium , Transpiration cooling , Two-phase porous cooling , Aerospace Technology and Astronautics , Mathematical Modeling and Industrial Mathematics , Engineering Thermodynamics, Heat and Mass Transfer

    Thermally induced roughness of tread braked railway wheels. Part 2: modelling and field measurements

    Vernersson, T. | Tema Archiv | 1999
    Roughness (corrugation, waviness) on the tread of a rolling railway wheel leads to vibrations in wheels, bogies and superstructure and also ...
    Schlagwörter: örtliche Erhitzung

    Forged microalloyed steel crankshafts for automotive engines

    Tinius, C. / Mrdjenovich, R. | Tema Archiv | 1996
    , verwendete Stahlsorten, Stabstahl, Aufheizen (Öfen), Walzen, Vorformgebung, Schmieden, Nachbearbeitung, Abkühlen. Mit Hilfe der Software FORGE3 wird ...
    Verlag: The Minerals, Metals and Materials Society (TMS) , Warrendale
    Schlagwörter: Kühlung , Erwärmung

    Titanium and nanocrystalline titanium for the automotive industry

    Pattanayak, D.K. / Panigrahi, B.B. / Mohan, T.R. Rma et al. | Tema Archiv | 2007
    conversion, pollution sensing and reduction, interior cooling, wear reduction, driving dynamics, surveillance control, up to recycle potential and ...
    Verlag: New Age International , New Delhi

    Inductively supported laser beam welding of high and ultra high strength steel grades

    Harley, Katrin / Haferkamp, Heinz / Ostendorf, Andreas et al. | Tema Archiv | 2008
    supported laser beam welding on novel TRIP und TWIP steel grades as well as boron alloyed and iron manganese steel grades. This process has been ...

    Composite structures for high technologies and extreme conditions

    Gadow, Rainer | Tema Archiv | 2007
    . Dabei werden metallbeschichtete Faserstränge oder Gewebe laminiert und nach rascher Erwärmung in den teilflüssigen Zustand der metallischen ...

    A morphing wing used shape memory alloy actuators new control technique with bi-positional and pi laws optimum combination. Part 1: Design phase

    Grigorie, Teodor Lucian / Popov, Andrei Vladimir / Botez, Ruxandra Mihaela et al. | Tema Archiv | 2010
    -positional law and a PI law; the control must behave like a switch between cooling phase and heating phase, situations where the output current is 0 ...

    A numerical evaluation of heat transfer during the thermite welding process: effect of process parameters

    Jha, B. / Carpenter, G.F. / Steele, R.K. et al. | Tema Archiv | 1993
    Electric Flash Butt (EFB) welds. A finite element heat transfer model has been created to simulate the heating and cooling behavior of thermite ...
    Verlag: Iron and Steel Society (ISS) , Warrendale

    A New Method to Evaluate the Adaptability of Initiating Explosive Used in the Aro-Pyrotechnic Device in Deep Space

    Ye, Yaokun / Ding, Feng / Man, Jianfeng et al. | Springer Verlag | 2017
    pyrotechnic material decomposition with temperature change, a method is proposed based on using digital cameras and differential scanning calorimetry ...
    Verlag: Springer International Publishing , Cham
    Schlagwörter: Nanotechnology and Microengineering , Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics)

    Thermal deformation and strength of heat-protective coatings under operating conditions simulating the real ones

    Gracheva, L.I. / Borisenko, V.A. | Tema Archiv | 1997
    maximum thermal deformations occur in a direction at 45 degrees to the base of the fabric of the filler and with an increase in heating rate is a ...
    Verlag: Institute of Electrical and Electronics Engineers (IEEE) , New York

    Hot rolled, high strength steels for automotive applications

    Hewitt, B.J. / Jones, A. | Tema Archiv | 1993
    derived from a ferrite-bainite microstructure developed by precisely controlled thermomechanical and run-out cooling conditions during hot strip ...
    Schlagwörter: Kühlung

    Towards a faster determination of high cycle fatigue properties taking into account the influence of a plastic pre-strain from selfheating measurements

    Munier, R. / Doudard, C. / Calloch, S. et al. | Tema Archiv | 2010
    into account the influence of pre-strain on high cycle fatigue properties is proposed and identified from self-heating measurements. The ...

    Development of metal hydride beds for sorption cryocoolers in space applications

    Bowman, R.C. jun. | Tema Archiv | 2003
    used in the sorption compressors dominates both the performance and reliability of these closed-cycle Joule-Thomson cryocoolers. Improved ...
    Schlagwörter: Kühlung

    Residual stresses in off-line head hardened rails

    George, B.L. / MacDonald, J.B. / Kokoska, F.W. | Tema Archiv | 1993
    heating and quenching to meet railway straightness specifications. One of the main design criterion for Sydney Steel's new head hardening process ...
    Verlag: Iron and Steel Society (ISS) , Warrendale

    Rotational moulding of polymer liners for composite overwrapped pressure vessels in cryogenic fuel storage applications

    Murray, B.R. / Leen, S.B. / Semprimoschnig, C.O.A. et al. | Tema Archiv | 2012
    heated tooling provides improved control of heating parameters, thus increasing the dimensional accuracy of the part and reducing energy ...

    Comparison of nitrogen alloyed austenitic steels and high strength armor steels impacted at high velocity

    Lach, E. / Koerber, G. / Scharf, M. et al. | Tema Archiv | 1999
    and heating time. ...

    Optimizing the forging of critical aircraft parts by the use of finite element coupled microstructure modeling

    Stockinger, Martin / Tockner, Johann | Tema Archiv | 2005
    a broad spectrum of strain rates. The influence of these different strain rates as well as forging temperature and strain on dynamic and ...
    Verlag: The Minerals, Metals and Materials Society (TMS) , Warrendale

    Der Frontend-Montageträger und seine Funktionen im Modul

    Schmidt, Ralf / Opperbeck, Guido / Amrhein, Joachim | Tema Archiv | 2009

    Inflow treatment for small scale axial fans under unfavorable inflow conditions

    Shin, Yoon-Shik / Bolton, J. Stuart / Mongeau, Luc G. | Tema Archiv | 2009
    inflow condition of an axial cooling fan in a tightly packed electronic device is disturbed by closely located components, the aerodynamic and ...

    Friction stir welding of aerospace alloys

    Lohwasser, Daniela | Tema Archiv | 2003
    of the AA6056T6 and AA6013T6 in 4 mm thickness are given. For property improvements a water-cooling system was used on the AA6056T6. For this ...

    Degradation of aluminide coated directionally solidified superalloy turbine blades in an aero gas turbine engine

    Patnaik, P.C. / Elder, J.E. / Thamburaj, R. | Tema Archiv | 1988
    coatings are still widely used on the DS superalloys to protect them from high temperature oxidation and corrosion attack. This paper discusses the ...

    Spectrally selective thermal coatings for improved cooler performance

    Triolo, J. / Ackerman, N. / Neuberger, D. et al. | Tema Archiv | 1997
    emittance and thereby lower the IR irradiance on the emitter. The net results reduce the emitter temperature by approximately 9 K. ...
    Schlagwörter: Kühlung

    Ignition sensitivity of nonmetallic materials in oxygen-enriched air (NITROX): A never ending story in SCUBA diving?

    Binder, C. / Brock, T. / Hesse, O. et al. | Tema Archiv | 2010
    heating, a sudden temperature rise in the gas occurs and nonmetallic materials, e.g., seals may ignite. BAM has used the pneumatic impact test to ...
    Verlag: American Society for Testing and Materials , West Conshohocken

    Smart vortex generator using shape memory alloy

    Ikeda, Tadashige / Masuda, Shinya / Miyasaka, Takeshi et al. | Tema Archiv | 2006
    transformed between the two positions by cooling and heating. Vortex generators are devices to delay or prevent flow separation by generating vortexes ...

    Rejuvenation of service-exposed IN 738 turbine blades

    Koul, A.K. / Immarigeon, J.P. / Castillo, R. et al. | Tema Archiv | 1988
    agglomeration, continuous networks of M23C6 carbides form along the grain boundaries and the blade surface along the internal cooling passages oxidizes ...

    Switching performance of Nb3Sn persistent current switch

    Tomita, M. / Nemoto, K. / Sugawara, K. et al. | Tema Archiv | 2000
    presented based on the computer simulation for the temperature distribution during the heating and cooling cycle. We also present the estimated time ...
    Schlagwörter: Kühlung

    In-line heat-treater THH-rails

    Kataoka, Y. / Furukawa, J. / Ueda, M. et al. | Tema Archiv | 1993
    required for high quality rail. And to get the quality, we researched the cooling method and manufacturing process. NKK's new head hardened rail ...
    Verlag: Iron and Steel Society (ISS) , Warrendale