Relevant bibliographies by topics / Coated aluminium sheet

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Coated aluminium sheet'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Coated aluminium sheet"

1

Laukant, H., C. Wallmann, M. Korte, and Uwe Glatzel. "Flux-Less Joining Technique of Aluminium with Zinc-Coated Steel Sheets by a Dual-Spot-Laser Beam." Advanced Materials Research 6-8 (May 2005): 163–70. http://dx.doi.org/10.4028/www.scientific.net/amr.6-8.163.

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Joining of iron with aluminium in the liquid phase is complicated due to the formation of brittle intermetallics within Fe-Al melts. In this work we present the technology of a laser weldingbrazing (LWB) process to join zinc-coated steel and aluminium sheets in an overlap geometry. The process is divided into welding of the aluminium sheet and brazing of filler material and molten aluminium sheet onto the zinc-covered steel sheet to avoid the liquid stage of iron. It is possible to join those materials with a single laser beam. However, with a second laser beam, the melt flow can be controlled more effectively and the wetting behaviour can be improved by preheating the zinc-covered steel sheet surface. This is beneficial since the process works without any flux agent. Wetting lengths increase by using this technique and generate a joint that exceeds the tensile strength of the base material. Due to the zinc cover on the steel sheet there are two possible filler materials that have miscibility with zinc as well as aluminium. Zinc based filler materials have the advantage of a lower melting point and thus lower process temperatures. And aluminium based filler wires result in more ductile brazed seams, making it possible to deform such joints in a later application as tailored blanks.
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Astarita, Antonello, Silvio Genna, Claudio Leone, Fabrizio Memola Capece Minutolo, Valentino Paradiso, and Antonino Squillace. "Laser Cutting of Aluminium Sheets with a Superficial Cold Spray Titanium Coating." Key Engineering Materials 611-612 (May 2014): 794–803. http://dx.doi.org/10.4028/www.scientific.net/kem.611-612.794.

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In the manufacturing of metal components both wear and corrosion have to be considered. In particular, corrosion is a primary problem in the aeronautic field, where the aluminium alloys are affected by several corrosion typologies. Furthermore, nowadays carbon fibre reinforced plastics (CFRP) are finding an increasing use, but they can induce galvanic corrosion phenomena when coupled with aluminium alloys. To overcome this problem, corrosion resistant coatings are used on aluminium components. On these premises, the realization of a titanium coating on aluminium components could allow the coupling of CFRP and aluminium alloys, improving the corrosion resistance. Cold Spray Deposition is a recent technology to realize these coatings. This technology allows the production of near fully dense coatings on metallic surfaces. In many applications the coated aluminium sheets have to be machined (cut or drilled). Machining with conventional cutting methods leads to both tool wear and damages in the coating. Laser cutting represents a promising alternative: it does not involve any mechanical cutting force or tool wear and, thanks to the small laser beam spot, it allows to realize complex shapes. In this paper, laser cutting of an Al alloy sheet (0.6 mm thick) coated with Ti Alloy, was studied. The adopted laser source was a 150 W, lamp pumped Nd:YAG, specifically developed for micro-machining operations on metals. During the tests, the process parameters (cutting speed, pulse duration and entrance side) were changed and the kerf geometry was analysed as a function of the process parameters.
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Guin, Akshya Kumar, Manish Bhadu, Mohua Sinhababu, Tapan Kumar Rout, and G. Udayabhanu. "Effect of nano ZnO containing sol-gel coating on galvanised iron sheet." Pigment & Resin Technology 44, no. 4 (July 6, 2015): 239–49. http://dx.doi.org/10.1108/prt-01-2014-0007.

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Purpose – This paper aims to investigate the potential of sol-gel coating as replacement for hazardous hexavalent chrome passivation treatment for galvanised iron (GI) sheet. Generally, corrosion resistance properties of the GI sheet are increased by hexavalent chrome passivation treatment. But hexavalent chrome is hazardous and not environment friendly. Design/methodology/approach – The aim of this study was to understand the effect of nano zinc oxide (ZnO) on corrosion behaviour of sol-gel coating prepared by hydrolysis of the 3-(Glycidoxy propyl) methyl diethoxy silane (GPTMS) and tetra-ethyl-orthosilicate (TEOS). The morphology of the film was characterised by a scanning electron microscope (SEM). The corrosion resistance of the coated samples was evaluated by electrochemical impedance spectroscopy (EIS), potentiodynamic polarisation curve and salt spray test. Findings – From a different corrosion resistance study, it has been observed that sol-gel coating doped with 1 per cent nano ZnO rendered maximum corrosion protection. Beyond 1 per cent of nano ZnO, corrosion resistance property of coated galvanised steel sheet decreased drastically which may be due to agglomeration of nano ZnO and high water permeability of coated galvanised steel sheet. Research limitations/implications – The anti-corrosive property of the coating can be tested by means of atmospheric exposure which produces a real-time evaluation of the anti-corrosive nature of the coating under natural conditions rather than using an accelerated laboratory test. Practical implications – It may be useful for other metal industry like aluminium. The work can be used as a guiding chemistry for development of chrome-free passivation for aluminium. Social implications – It has the potential to replace hexavalent chrome passivation. Originality/value – The use of nano ZnO in sol-gel polymer matrix for the development of corrosion resistant chrome-free polymer coating for galvanised steel sheet and its corrosion resistance study (EIS curve fitting, capacitance value and water permeability) is a novel approach in this research.
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Hu, Yi Ran, Mohammad M. Gharbi, Vivian Liang, Yang Zheng, Denis J. Politis, and Li Liang Wang. "The Galling Behavior of Advanced Coating Contacts with Aluminium Alloy during Sliding Wear." Key Engineering Materials 767 (April 2018): 117–23. http://dx.doi.org/10.4028/www.scientific.net/kem.767.117.

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This paper investigates the galling behaviour of a range of hard coatings applied to tooling surfaces during the sheet forming of an aluminium alloy workpiece. A total of three types of tooling materials were investigated, two of which were subject to PVD deposited coatings of AlCrN, CrN and DLC applied to the working surface. The third tooling material had undergone induction heating, plasma-nitriding and polishing. To evaluate the galling behaviour of the applied coatings, a tribological evaluation was conducted using a pin-on-disc test set-up at a constant load and varying temperature. The coated discs, replicating the tooling material, were tested against aluminium alloy pins AA6082 and AA7075 representing the workpiece material. This investigation indicated that the friction and galling behaviour of aluminium is highly dependent on temperature, and the use of two different aluminium pins had no significant effect. At room temperature, it was found that carbon-based coatings provide the lowest friction and the best protection against galling, whilst nitride-based treatments exhibit better performance at high temperature. Moreover, at elevated temperatures, coated tools exhibit superior anti-galling properties compared to uncoated tools.
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Behrens, Bernd Arno, Richard Krimm, Jan Jocker, Eduard Reithmeier, Bernhard Roth, and Maik Rahlves. "Method to Emboss Holograms into the Surface of Sheet Metals." Key Engineering Materials 549 (April 2013): 125–32. http://dx.doi.org/10.4028/www.scientific.net/kem.549.125.

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Holograms are industrially used as decorative design elements to increase the value of products. As they are hard to copy, holograms are also used for brand protection and product identification. The state-of-the-art is to emboss holograms in the surface of polymeric foils and to apply them to products by adhesive bonding. Examples are holograms on credit cards, banknotes or identification cards. In this paper, a new method to emboss holograms in the surface of sheet metals is presented. By this, parts made of sheet metal such as decorative interior parts of cars, battery housings or packaging of cosmetic products can be equipped with holograms during their production process. Hence, adhesive bonding and the required additional handling operations are not necessary. An embossing tool and the results of experimental hologram embossing are described. Aluminium Al99.9, aluminium-magnesium alloy AW-5505, copper and zinc-coated deep drawing steel DC05 were used as sheet metals to be embossed. Furthermore, a new method and a device to produce master holograms are presented. Master holograms are required to produce embossing dies with the hologram on its surface (referred to as shim). The device is based on a laser light source and a spatial light modulator (SLM). With help of the SLM, simultaneous transfer of 1920 x 1080 pixels of a Computer Generated Holograms (CGH) topography to a plate coated with photoresist is possible. Compared to todays industrial mastering of holograms which is done pixel by pixel, the time required for the process is much shorter. In addition, investment costs are lower compared to currently used electron-beam-lithography devices.
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Das, Hrishikesh, Sushovan Basak, Goutam Das, and Tapan Kumar Pal. "Parameter Optimization in Al6061/HIF GA Steel Friction Stir Lap Welds." Advanced Materials Research 628 (December 2012): 199–205. http://dx.doi.org/10.4028/www.scientific.net/amr.628.199.

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Friction Stir welding has been attempted to study the feasibility of FSW between aluminium sheet (AA 6061) of 2 mm thick and Zinc coated steel (HIF-GA) sheet of 1 mm thick in lap joint configuration. The interfacial area of dissimilar welds has been analyzed by XRD, EPMA,TEM with EDS and nano indentation technique to identify the IMC distribution pattern depending on the combined effect of rotational speed and travel speed as well as the effect of energy and thermal cycle. The average joint strength is significantly influenced by the thermal cycle, respective torque and combined effect of rotational speed and travel speed as well as energy input. Improved joint strength between Al and coated steel could be obtained within a combination of rotational speed and travel speed as well as energy input. Force and torque response during FSW have been analyzed in terms of parameter optimization and joint performance.
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López de Lacalle, Luis Norberto, Gorka Urbikain Pelayo, Ibon Azkona, Victor Verbiţchi, Radu Cojocaru, Lia Nicoleta Boţilă, Cristian Ciucă, Ion Aurel Perianu, and Miomir Vlascici. "Functional Layers of Aluminium Alloy on Steel Made by Alternative Friction Processes, for Elements of Metal Structures." Advanced Materials Research 1146 (April 2018): 106–14. http://dx.doi.org/10.4028/www.scientific.net/amr.1146.106.

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Coating of steel with aluminium alloy is needed for the execution of a functional layer for corrosion protection. Some experiments have been performed on square-section tubes (50 mm x 50 mm) of S235 steel, according to EN 10 025, to be coated with 1 mm thick sheets of EN AW 5754 aluminium alloy that have been previously bended as U shaped profiles. A new experimental model of specialized equipment has been used for certain experiments to make these functional layers of aluminium alloy on steel. Firstly, friction drilling and threading by form tapping, followed by screws-mounting without nuts have been used to make such joints. Several holes have been executed by a Ø4.3 friction drilling tool, then an M5 form tap was used for threading. For friction drilling, tools with 90% tungsten carbide content and 1 micron grain size were applied. By threading, TiN coated form taps have been used. Secondly, overlap friction stir welding (FSW) has been applied, to make a functional layer of aluminium alloy on a 50 mm x 50 mm S235 steel tube. The wings of the U profiles were overlapped. A quenched FSW tool, own-made of C 45 grade steel, EN 10083, has been used for these joining tests. The joining parameters are mentioned for each process. The run of each joining process is described and the joint test samples are presented. The appearance of the screw-mounted functional layers is appropriate. The metallographic analysis has revealed adequate form of the burr formed below the hole. The burr height is 2.5 – 3.2 mm. The pattern of the M5 thread is appropriate. No defects have been detected on the holes and threads. The appearance of the FSW functional layers is adequate. Metallographic analysis shows that FSW joints of the overlapped aluminium alloy sheets are adequate, because there is no gap between these sheets. There is only a narrow gap between the aluminium alloy bottom sheet and the wall of the steel tube, which proves an appropriate positioning of the two metals. No defects were detected, except for a weld flaw, as a small and isolated cavity, with a section less than 0.1 mm2, considered within the acceptance limit, according to EN 25239-5. The U shaped sheets of aluminium alloy are firmly fixed on the square steel tube, for both coating types. The mentioned processes are proposed to increase productivity in industrial technologies for series production. The processes addressed in this paper are more rapid than conventional processes. Adequate preparation of the parts to be welded, mechanization and automation allow repeatability and quality. The target applications are coated structure elements for devices, appliances, tools, welded structures or automobiles. The involved industrial areas of the applications are: manufacturing, electro-technique, construction and automotive industries. The presented processes are ecological, because they do not need lubricants or other toxic substances and do not produce chips or harmfull substances.
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Fenske, Martin, and Heidrun Schönheiter. "Thin-layer chromatography on silica-coated aluminium sheet as an adjunct to radioimmunoassay of steroids." Journal of Chromatography B: Biomedical Sciences and Applications 563, no. 1 (January 1991): 178–83. http://dx.doi.org/10.1016/0378-4347(91)80292-k.

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Luo, Kai Yu, Guang Shan Song, Jin Lian Zhu, Lei Zhang, and Yong Kang Zhang. "Study on the Detection Techniques of Sheet-Metal Delamination Based on Laser Shock Wave." Key Engineering Materials 431-432 (March 2010): 442–45. http://dx.doi.org/10.4028/www.scientific.net/kem.431-432.442.

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The large area delaminated (two layers) and non-delaminated samples of 1mm-thick aluminium alloy 2024 were shocked by pulse laser, the restricted layer and the absorbing layer were coated on the surface of the samples, and the PVDF sensors were set on the facing of a quilt of the samples. The signs of laser shock waves were transmitted to the computer by the oscillograph. The results indicated that can be effective detected by laser shock waves, and the math model of hierarchical sheet-metal by laser shock wave was fundamentally developed. A new method to detect the large area delaminated samples was provided, which has the definite engineering importance.
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Bach, Friedrich Wilhelm, A. Beniyash, K. Lau, and R. Versemann. "Joining of Steel-Aluminium Hybrid Structures with Electron Beam on Atmosphere." Advanced Materials Research 6-8 (May 2005): 143–50. http://dx.doi.org/10.4028/www.scientific.net/amr.6-8.143.

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Against the background of the required weight reduction in transportation through lightweight construction, the application of hybrid structures, where dissimilar materials are joined together, has a high technical and economical potential. In the field of sheet machining, combinations of steel and aluminium are especially interesting. In comparison to conventional steels, the application of aluminium alloys as supporting materials makes a distinct weight reduction possible. On the other hand, steels have advantages in the fields forming and welding. The application of modern high-strength steels with reduced sheet thicknesses allows weight reduction, too. But joining of material combinations of steel and aluminium is problematic. On the one hand brittle intermetallic compounds are formed between steel and aluminium. On the other hand the aluminium melt has a bad wetting behaviour. Different physical properties of both materials have to be considered, too. To achieve sufficient mechanical properties of such joinings it is necessary to limit growth of intermetallic compounds between steel and aluminium. This can be actualized by an exact energy supply. With the electron beam on atmosphere a precise and easily controllable energy supply is possible. The publication demonstrates successful investigations, which were performed with the 175 kVNVEBW (Non Vacuum Electron Beam Welding) installation at Institut of Materials Science, University of Hanover. With NVEB joining hybrid structures between zinc coated steels and 5.xxx and 6.xxx aluminium alloys were produced. In a welding-brazing process (the steel remained in the solid phase whereas the aluminium was molten) combinations with acceptable mechanical properties could be joined. By use of optimized joining parameters as well as a surface activating flux, both, a good wetting and a thin intermetallic compound < 10 µm were attained. Another possible strategy is a pure brazing process, for which an example is also given in the paper. The paper shows metallurgical and mechanical investigations, among other things results of element distribution analysis and tensile tests.
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Dissertations / Theses on the topic "Coated aluminium sheet"

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Pokorák, Milan. "Optimalizace laserového tavného dělení povlakovaných hliníkových plechů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231521.

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The thesis primarily deals with the optimization of laser cutting center for coated aluminium sheet cutting and with the subsequent comparison of measured results and a sample made using waterjet cutting. The thesis is divided in two parts, the theoretical part followed by the practical one. The theoretical section is concerned with the unconventional technologies used, with their general analysis, design, history and utilization for industrial appliances. Main parts of this thesis deals with classification of particular cutting principles and their specific description. The theoretical part contains also classificaton of aluminium alloy, description of surface texture measurement and explanation of basics terms used for roughness measurement. The practical section is concerned with the particular task solution and with all knowledge used for optimization and evaluation of laser cutting. This part contains the measurement results, the measured material, the machines and devices used and also the technical and economical evaluation of this thesis content. The overall evaluation of the laser cutting optimization of specific component is mentioned in the experiment outcome evaluation article.
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Chen, Kuan-Yu, and 陳冠宇. "Application of Taguchi method to TIG lap weld between aluminium alloy and zinc-coated steel sheet for a lightweight car body." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/47763905482417305738.

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碩士
國立屏東科技大學
車輛工程系所
100
TIG welding of steel in the automotive industry has been widely used and has great economic benefits. However, dissimilar welding for aluminum and steel was difficult to have a breakthrough in technique. The significant difference at melting point and the coefficient of linear expansion and thermal conductivity between aluminum and steel will increase the welding difficulties and lead to the generation of the large thermal stress. Moreover, the oxide film and chemical compounds caused in the weld process will also reduce weld quality. In this thesis, in order to meet the development trend of automobile industry for a lightweight car body, which tried to weld the aluminum alloy and zinc-coated steel sheet, the Al-12Si filler metal (ER4043) was added to TIG lap weld between aluminum alloy and zinc-coated steel sheet. The experiment results showed that this method can be successfully implemented for the molten-braze joint of aluminum alloy and zinc-coated steel sheet. Furthermore, Taguchi method was used to understand the influence of the processing parameters on the welding quality. The processing parameters include the welding current, welding speed, lap gap, and the relative position between the arc and the work piece. The optical microscopy (OM) was used to observe the microstructure of the weld zone and determine the thickness of the compound layer in the weld interface. Moreover, the welded work pieces were implemented the tensile test and fracture morphology analysis. The experimental results indicated that the thickness of the compound layer is about 2 to 3μm, and the linear tensile strength is about 53% by the base aluminum alloy. The optimal process parameters obtained by Taguchi method analysis revealed that the fracture position lay in the heat affected zone of aluminum alloy.
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Book chapters on the topic "Coated aluminium sheet"

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Laukant, H., C. Wallmann, M. Korte, and Uwe Glatzel. "Flux-Less Joining Technique of Aluminium with Zinc-Coated Steel Sheets by a Dual-Spot-Laser Beam." In Sheet Metal 2005, 163–70. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-972-5.163.

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Roters, Franz, Dierk Raabe, and Hasso Weiland. "Roughening of Coated Aluminium Sheets during Plastic Straining." In Materials Science Forum, 711–16. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-408-1.711.

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Liebig, H. P., and R. Beyer. "Press joining of especially coated steel and aluminium sheets." In Advanced Technology of Plasticity 1987, 933–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-662-11046-1_34.

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Sudo, Masatoshi, Tomohiko Iwase, Yoshiyuki Hattori, and Madoka Nakajima. "Residual Stresses due to Deep-Drawing of Pre-Coated Aluminum-Alloy Sheets." In Materials Science Forum, 358–63. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-969-5.358.

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Conference papers on the topic "Coated aluminium sheet"

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Riener, Christian K., Anna-Elisabeth Raab, Gerald Luckeneder, and Martin Rosner. "Zinc-Magnesium-Aluminium (ZM)-HDG-Coated Steel Sheet for Structural Parts to Outer Panels." In WCX™ 17: SAE World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2017. http://dx.doi.org/10.4271/2017-01-0507.

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Walker, Luke, Ying Lu, Colleen Hilla, Wei Zhang, Byoung Ou, and Scott Hunter. "Effect of Insert Material on Microstructure and Strength of Aluminum Alloy to Zinc-Coated Steel Dissimilar Metal Weld." In ASME 2020 15th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/msec2020-8245.

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Abstract Ultrasonic interlayered resistance spot welding (Ulti-RSW) is a recently developed method for dissimilar metal joining of aluminum alloy to advanced high strength steel. It makes use of a thin insert (or interlayer) which is first ultrasonic spot welded to one of the two sheets. The second sheet is then resistance spot welded to the insert side of the first sheet. In the present study, two inserts were tested, 0.3-mm-thick AA3003-H14 and 0.25-mm-thick stainless steel 316, for joining 0.8-mm-thick Zn-coated (galvannealed) dual phase steel 590 to 1.2-mm-thinck aluminum AA6022-T4. The joint with the aluminum insert achieved a peak tensile-shear strength of 4.1kN and a fracture energy of 1.7J, while the joint with the stainless steel insert achieved a peak strength of 4.5kN and a fracture energy of 2.6J. Both welds were much stronger than a direct resistance spot weld between the two sheets which had a strength of 3.3kN and an inferior fracture energy of 0.87J. The increase in strength and fracture energy achieved using stainless steel insert over aluminum insert was discussed based on the nugget diameter and the interface microstructure.
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Hanna, M. David, and Vjekoslav Franetovic. "The Effect of Boron Nitride Lubricant Thickness and Steel Surface Condition on Tribological Behavior of P20 Steel/5083 Aluminum Sliding Pairs at High Temperature." In STLE/ASME 2008 International Joint Tribology Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ijtc2008-71011.

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The tribological behavior of AA5083 aluminum sheet sliding against tool steel impacts the quality of components manufactured with the Quick Plastic Forming (QPF) process. The effect of boron nitride lubricant thickness on the tribological performance of different coated steel/AA5083 pairs utilizing a recently developed reciprocating flat-on-flat tribological test technique was investigated. In most cases of coated and uncoated steel, the time-to-contact increased by a factor of ten when the BN thickness was increased from 8.4 μm to 14.5 μm. The tribological tests with a low sliding speed method (0.1 Hz) confirmed the previous observations conducted at 0.5 Hz in which nitrocarburizing of the tool surface decreased adhesion of aluminum to the steel during sliding contact.
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Al-Zubaydi, Ahmed Y. Taha, John Dartnall, and Annette Dowd. "Design, Construction and Calibration of an Instrument for Measuring the Production of Chilled Water by the Combined Effects of Evaporation and Night Sky Radiation." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85645.

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This paper presents the design and mathematical modeling of thermal radiator panels to be used primarily to measure night sky radiation from dry and wet coated surfaces. Three panels may be used in conjunction as a combined measuring system. One panel consists of an upper dry surface coated aluminum sheet laminated to an ethylene vinyl acetate foam backing block having a pattern of parallel flow water channels and header channels milled into its mating surface prior to lamination to the aluminum sheet. This configuration provides a fin and channel radiator instrument whereby circulating water may be used to measure the heat loss from this panel to night sky radiation. In a second configuration, the surface of a panel without buried water channels but otherwise identical may be wetted in order to study and compare the night sky radiation from its wet surface. In this case, the measuring water is circulated over the upper face of this panel. In a third configuration, water is sprayed onto the surface of the second panel (or a similar panel) so that an evaporative cooling effect is gained in addition to the radiation effect. Initial TRNSYS simulations for the performance of all three configurations are presented and it is planned to use the panels as calibrated instruments for discriminating between the cooling effects of night sky radiation and evaporation.
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Choji, S., and T. Sakauchi. "Development of lead-free metal fuel tank. Hot-dip aluminum coated steel sheet evaluations for fuel tank applications." In Proceedings First International Symposium on Environmentally Conscious Design and Inverse Manufacturing. IEEE, 1999. http://dx.doi.org/10.1109/ecodim.1999.747742.

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Goebels, Dominique, Mathieu Kielwasser, and Rémy Fabbro. "Improvement of laser welding of Zn-coated steel and aluminum alloys thin sheets using shaped laser intensity distribution." In ICALEO® 2003: 22nd International Congress on Laser Materials Processing and Laser Microfabrication. Laser Institute of America, 2003. http://dx.doi.org/10.2351/1.5060007.

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Ahmad, N., and R. N. Parthasarathy. "Turbulence Measurements in Channel Flows With Rough and Hydrophobic Walls." In ASME/JSME 2007 5th Joint Fluids Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/fedsm2007-37618.

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Particle Image Velocimetry (PIV) measurements were made in a fully-developed turbulent channel flow. The channel test section was 1 ft wide and 1 inch in height and was constructed out of plexiglass. One wall of the test section was made removable. Four walls were used: a plexiglass smooth wall, and three hydrophobic walls: (i) a lotus paint coated plexiglass wall, (ii) a treated aluminum sheet attached to the plexiglass wall and (iii) a treated rough surface attached to the plexiglass wall. The bulk velocity was held constant to yield a Reynolds number (based on the channel half-height) of 5,500. Several images were averaged to obtain mean velocity and Reynolds shear stress and turbulence kinetic energy measurements. It was found that the mean velocities in the near-wall region were higher for the lotus-paint coated surface flow and the treated rough surface flow than the flows with the other two surfaces. The friction velocity estimated from the Reynolds shear stress measurements was significantly lower for these two flows as well. The reduction in the wall shear stress in these flows is attributed to the finite slip that occurs at the hydrophobic surfaces.
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McDonald, John. "Citrus Packaging and the Environment." In ASME 1990 Citrus Engineering Conference. American Society of Mechanical Engineers, 1990. http://dx.doi.org/10.1115/cec1990-3602.

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Say the word “environment” today, and most likely you will generate some sort of a response. It’s one of our society’s hot issues and we have seen Washington, from President Bush on down, and many of our states and cities jumping on the environmental issue because there are real problems that need to be solved and, in addition, it appears to be good politics. Solid waste is part of the environmental issue and packaging is part of solid waste. So, I would like to take you through how we, at Continental Can, are looking at this. We are one of the leading packaging producers with seven domestic divisions producing aluminum cans, steel and bi-metal cans, PET plastic bottles, extrusion blow molded plastic bottles from HDPE, PP, PVC, with multilayers and multimaterial barriers, and thermo formed microwave trays and tubs and aseptic cups mostly made from plastic multimaterial barrier sheet which we extrude. Continental also annually produces over 6 billion metal vacuum “twist off” closures, some plastic closures and our Bondware division produces paper and plastic coated paper containers mostly or fast food outlets. Paper published with permission.
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Deibel, Karl-Robert, Jens Boos, Sascha Weikert, and Konrad Wegener. "Correlation of Cutting Force and Power Consumption for Ultrasonic-Vibration-Assisted Cutting of Label Paper Stacks." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85407.

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Experiments comparing conventional and ultrasonic vibration assisted guillotine cutting of paper stacks have been performed on plain and aluminum coated label paper. It is shown that ultrasonic vibration assisted cutting reduces the cutting force for both paper species. Reduction of the cutting force allows the down holder force to be decreased and lowers the compression of the paper stack necessary to prevent pull-out of the top sheets of paper. Using a higher amplitude setting on the ultrasonic generator further decreases the cutting force for the paper stack. For three different cutting speeds, it is shown that ultrasonic vibration assisted cutting force reduction depends on the average speed of the tool for both paper species. A linear regression with present experimental data is done to obtain an equation for the relation between input generator power and resulting cutting force. Finally, the quality of the cutting edge is examined, quality parameters are defined, and according to these the cutting edge quality is assessed.
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Xi, Liang, Mihaela Banu, S. Jack Hu, Wayne Cai, and Teresa Rinker. "Modeling of Fracture Behaviours of Ultrasonically Welded Cu-Cu Joints Under Different Loading Conditions." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-53407.

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A lithium-ion battery pack for electric vehicles may consist of several hundreds of battery cells joined together. Each cell contains joints of multiple thin sheets of electrodes of different conductive materials such as nickel coated copper, copper and / or aluminum. These within-cell and cell-to-cell joints must withstand static and dynamic mechanical loading. Determination of their maximum loading capacity is a very important task in order to predict the life of a battery pack. The standard procedure is to apply mechanical tests, such as lap shear and pull test to each joint. This procedure is time consuming and costly. There is a strong interest nowadays in developing validated models which can predict the actual behavior of the joints under different loadings and the associated failure modes. In this paper, two finite element models are developed to predict the strength of ultrasonically welded two-, three- and four layer joints of 0.2 mm thickness copper tabs with a 1mm thickness busbar. These models have the ability to predict three modes of failure of these joints depending on the weld quality, e.g., interfacial fracture, combined interfacial-circumferential fracture, and circumferential failure. These models are experimentally validated with very good agreement between experimental and predicted results.
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