Relevant bibliographies by topics / Sheet material

Academic literature on the topic 'Sheet material'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Sheet material"

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NAKAMURA, Toshihiko, Hideki AOYAMA, Naohisa MATSUSHITA, and Akihiko USHIMARU. "3298 Sheet Material Forming without Dies." Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2011.6 (2011): _3298–1_—_3298–4_. http://dx.doi.org/10.1299/jsmelem.2011.6._3298-1_.

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Čačko, Viliam, Iveta Onderová, Ľubomír Šooš, Pavol Varga, and Andrej Smelík. "Experimental Determination of Mechanical Properties of Waste Steel Sheets." Materials Science Forum 994 (May 2020): 62–69. http://dx.doi.org/10.4028/www.scientific.net/msf.994.62.

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The paper is primarily focused on the determination of the ultimate strength of pressed materials in the form of steel sheets. The breaking strength of homogeneous materials such as e.g. steel sheet is not a relevant indication for pressed steel sheet waste material. The ultimate strength serves as a main parameter in the design of sheet metal cutting machines. For the design and technological design of machines and equipment for shearing steel waste in the form of pressed sheets, it is necessary to know the limit strength of the material. The paper describes in detail the experimental procedure and the principle of determining the ultimate strength of the steel waste sheet. Several dozen experimental samples of pressed metal waste were used. The very principle of the experiment consisted of sheared samples, while monitoring the shear force and the thickness of the pressed material. The ultimate strength of the shear material was calculated from the measured data. The measured and calculated data were statistically processed to increase the objectivity of the determination of the already mentioned ultimate strength parameter of the pressed waste sheets.
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Karakaya, Cetin. "Numerical investigation on perforated sheet metals under tension loading." Open Chemistry 20, no. 1 (January 1, 2022): 244–53. http://dx.doi.org/10.1515/chem-2022-0142.

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Abstract Perforated sheets are used in many areas due to their high specific load, economical production, aesthetic structure, and filtering ability. Their use in industrial machinery and the construction industry can be given as examples of these areas. In this study, the mechanical behaviour of perforated metal sheets under tensile loads has been investigated numerically. The influence of material type, hole geometry, and hole arrangement were examined with finite element analyses. Stainless steel and aluminium materials are used as sheet materials. The hole geometries are circle, ellipse, triangle, square, and hexagon. As a result of the simulations, the aluminium material gave the highest values in terms of carried load capacity and absorbed energy. The sheets with the staggered hole arrangement have higher load and energy values than the sheets with the linear arrangement. The elliptical perforated aluminium sheet provided the highest load value of 28,386 N in the staggered arrangement. In both hole arrangements, the elliptical perforated sheet gave the highest load value, while the triangle perforated sheet gave the lowest load value. The elliptical perforated sheet with linear hole arrangement provided the highest values in terms of specific load (435.57 N/g) and specific energy (0.27 J/g).
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HINO, R., F. YOSHIDA, N. NAGAISHI, and T. NAKA. "INCREMENTAL SHEET FORMING WITH LOCAL HEATING FOR LIGHTWEIGHT HARD-TO-FORM MATERIAL." International Journal of Modern Physics B 22, no. 31n32 (December 30, 2008): 6082–87. http://dx.doi.org/10.1142/s0217979208051613.

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A new incremental sheet forming technology with local heating is proposed to form lightweight hard-to-form sheet metals such as aluminum-magnesium alloy (JIS A5083) sheet or magnesium alloy (JIS AZ31) sheet. The newly designed forming tool has a built-in heater to heat the sheet metal locally and increase the material ductility around the tool-contact point. Incremental forming experiments of A5083 and AZ31 sheets are carried out at several tool-heater temperatures ranging from room temperature to 873K using the new forming method. The experimental results show that the formability of A5083 and AZ31 sheets increases remarkably with increasing local-heating temperature. In addition, springback of formed products decreases with increasing local-heating temperature. The developed incremental sheet forming method with local heating has great advantages in not only formability but also shape fixability. It is an effective forming method for lightweight hard-to-form sheet metal for small scale productions.
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Han, Seong-Sik, Hyun-jin Eom, Min-Su Lee, Tai-Hong Yim, and Heung-Kyu Kim. "Design of wood-like metallic material using metal sheet architecture." Journal of Computational Design and Engineering 8, no. 5 (September 11, 2021): 1290–306. http://dx.doi.org/10.1093/jcde/qwab048.

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Abstract This study proposed a new metal-based material design with a modulus of elasticity and thermal conductivity comparable to that of wood by architecturing of metal sheets. The proposed new material is designed in a form in which metal sheets of the same shape with beads are repeatedly stacked. In order to find a design with the target modulus of elasticity and thermal conductivity values, designs were derived using the Design of Experiment (DOE) and the material properties were predicted accordingly. For the prediction of material properties designed in the shape of a metal sheet architecture, finite element analysis combined with the homogenization method was used in consideration of the repeatability of the material microstructure. The reliability of the prediction of material properties based on the finite element analysis using a unit cell was verified by comparison with the results obtained from the compression test and the temperature wave method for the specimen. By analysing the modulus of elasticity and thermal conductivity data corresponding to the designs derived by DOE, we evaluated the effect of the design variables of the metal sheet architecture on the material properties. In addition, we investigated whether the material properties comparable to wood or leather were included within the derived design domain, and presented detailed design data of a metal sheet architecture that provides targeted material properties. It can be inferred from this study that the use of architecturing of metal sheets enables the development of new metal-based materials that can simulate the properties of other materials while utilizing the advantages of fire resistance and recyclability inherent in metals.
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Phanitwong, Wiriyakorn, Arkarapon Sontamino, and Sutasn Thipprakmas. "Experimental Analysis of the Feasibility of Shaving Process Applied for High-Strength Steel Sheets." Advances in Materials Science and Engineering 2016 (2016): 1–6. http://dx.doi.org/10.1155/2016/1634840.

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In recent years, the engineered materials were developed to improve their mechanical properties. A high-strength steel sheet is one of them, developed to serve the requirement of reducing weight of vehicles. Therefore, as a new material, many researches have been carried out to examine the use of sheet metal forming process applied for high-strength steel sheet. However, the feasibility of shaving process applied for it has not been investigated yet. In the present study, this feasibility was revealed by using experiments on two types of high-strength steel sheets: SAPH 440 and SPFH 590Y (JIS). The relationship between shaved surface feature and shearing clearance of high-strength steel sheets corresponded well with those of their conventional metal sheets. However, due to the high ultimate strength of these materials, it was revealed in this present study that there were not any suitable conditions of shaving process that could be applied to achieve the requirements of smooth cut surface overall material thickness.
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Pollock, Rachel E. "Material Safety Data Sheet." Fourth Genre: Explorations in Nonfiction 14, no. 2 (2012): 147–53. http://dx.doi.org/10.1353/fge.2012.0051.

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Matsuo, Koichiro, Kazuhiro Maekawa, and Teruhisa Kondo. "4888242 Graphite sheet material." Carbon 29, no. 1 (1991): II. http://dx.doi.org/10.1016/0008-6223(91)90109-v.

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Pollock, Rachel E. "Material Safety Data Sheet." Fourth Genre: Explorations in Nonfiction 14, no. 2 (August 1, 2012): 147–53. http://dx.doi.org/10.2307/41939194.

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He, Xiao Cong. "Sheet Material Property Effects upon Dynamic Behavior in Self-Pierce Riveted Joints." Materials Science Forum 675-677 (February 2011): 999–1002. http://dx.doi.org/10.4028/www.scientific.net/msf.675-677.999.

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Self-pierce riveting (SPR) technology offers an alternative to resistance spot welding (RSW) for joining sheet materials. It has been found that the SPR technology produced a much stronger joint than the RSW in fatigue test. For efficient design of SPR structures, the knowledge of dynamic characteristics of the SPR beams is essential. In this paper, the free transverse vibration characteristics of single lap-jointed cantilevered SPR beams are investigated in detail. The focus of the analysis is to reveal the influence on the natural frequency and natural frequency ratio of these beams caused by variations in the material properties of sheet materials to be jointed. It is shown that the transverse natural frequencies of single lap jointed cantilevered SPR beams increase significantly as the Young’s modulus of the sheet materials increases, but change slightly corresponding to the change in Poisson’s ratio. It is also found that the material density of the sheets have significant effects on the free transverse vibration characteristics of the beams.
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Dissertations / Theses on the topic "Sheet material"

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Pijlman, Hermen Hendrik. "Sheet material characterisation by multi-axial experiments." [S.l. : s.n.], 2001. http://doc.utwente.nl/59366.

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Odenberger, Eva-Lis. "Material characterisation for analyses of titanium sheet metal forming." Licentiate thesis, Luleå : Luleå tekniska universitet, 2005. http://epubl.ltu.se/1402-1757/2005/63/.

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Bentsrud, Herman. "Friction and material modelling in Sheet Metal Forming Simulations." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-19686.

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In today’s car manufacturing industry, sheet metal forming is a important process that takes preparation, which is time consuming and complex when new processes are made. When new metal grades and alloys are provided to the industry, tests are conducted to determine it’s behaviour and strengths. This gives the data for complex material models that can approximate the metal behaviour in an accurate way in a simulation environment. One of the unknown factors from tests is the friction coefficient on the sheet metal. The software Triboform is able to provide an adaptable friction coefficient model that depends on multiple simulation and user input conditions. The problems that occur when acquiring data for the material model is that testing is time consuming and the friction model has to be adjusted to give accurate results. At Volvo Cars there are two material models used with their different advantages, BBC 2005 and Vegter 2017.The purpose with this work is to compare the two material models using the Triboform friction models implemented to see if any combination provides accurate simulation results and then create recommendations for which model is best suited for different cases. Some side studies is also done with an older Vegter model, a strain rate sensitive BBC 2005 model and a Triboform model on all simulation parts.The purpose is achieved by implementing the Triboform model in Autoform and run a simulation of a Limiting Dome Height (LDH) test with both material models and compare the results with experimental data for several different materials. The data that is directly compared from the LDH test is the major and minor strain from two perpendicular sections at four different stages and also the force from the punch tool. The material models will be evaluated by how it manages to mimic the strain behaviour of the metals and how it estimates the punch force.The results point towards an improvement of the accuracy for most of the metals tested and BBC 2005 is the better model if there’s available biaxial data from tests, Vegter 2017 is decent if there’s not. However Vegter 2017 is not a good option for aluminum alloys simulations when the punch force is compared. Side study also shows that Vegter 2017 is bit of a downgrade when it comes to strain values, compared to the old Vegter.The work, in summary shows a dynamic friction model can improve the accuracy for strain predictions in the simulation process. If there’s biaxial yield data available for the metal or if it’s an aluminum alloy, BBC 2005 is the superior choice, but if only tensile tests are available for metals, Vegter 2017 is a decent choice for some cases.
I dagens bilindustri är plåtmetalformning en viktig process som kräver förberedelser som är tidskonsumerande och komplex när nya processer tillkommer. När nya metallslag kommer in till industrin, så utförs tester för att avgöra dess egenskaper och styrka. Denna testdata används till materialmodeller som kan approximera metallens beteende på ett noggrant sätt i en simuleringsmiljö. Den okända faktorn från dessa test är friktionskoefficienten på plåten. Programvaran Triboform är kapabel att göra en dynamisk friktionsmodel som beror på användar- och simuleringsdata. Problemen som uppstår vid framtagning av data är att det är tidskonsumerande och flera simuleringar måste göras för att bestämma friktionen. Volvo Cars använder sig av två modeller med olika fördelar, BBC 2005 och Vegter 2017.Syftet med detta arbete är att jämföra de två materialmodellerna med Triboform modeller implementerat för att se om de påverkar noggrannheten i simuleringar och sedan förse rekommendationer för vilken modell passar bäst för olika fall. Några sidojobb i studien som görs är en jämförelse med gamla Vegter modellen, ett test med en modell som är känslig för töjningshastighet och test med att implementera Triboform modellen på alla pressverktyg.Detta utförs med att implementera Triboform modellerna i Autoform och köra en simulering på ett LDH-test med båda materialmodeller och jämföra resultaten med experimentell data för flera olika metaller. Data som skall jämföras från LDH-testet är första och andra huvudtöjningen i två vinkelräta sektioner i fyra processsteg och stämpelkraften genom hela processen. Modellerna kommer evalueras genom hur de lyckas imitera töjningens beteende och hur den estimerar stämpelkraften.Resultaten pekar mot en förbättring när Triboform är implementerat i simuleringar för de flesta metaller som ingår i testen och BBC 2005 är den model som föredras om det finns tillgänglig biaxiel spänning data från tester, Vegter 2017 är en duglig modell om dessa data inte finns. Vegter 2017 är dock inte ett bra alternativ när det kommer till jämförelse av töjning och stämpelkraften för aluminium. Sidojobb med gamla Vegter visar att den nya Vegter 2017 inte är en direkt förbättring med hänsyn till noggrannheter av krafter och töjningar.Arbetet visar att en dynamisk friktionsmodel kan förbättra prediktering av töjningar i simuleringar. Om det finns biaxiel data för metallen eller om det gäller att simulera aluminium är BBC 2005 det bättre altermativet, om det endast finns dragprovsdata för metallen så är Vegter 2017 duglig för vissa fall.
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Vladimirov, Ivaylo N. "Anisotropic material modelling with application to sheet metal forming." Aachen Shaker, 2009. http://d-nb.info/999285513/04.

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nilsson, Kevin. "Material modeling in Sheet Metal Forming Simulations : Quality comparison between comonly used material models." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-18227.

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In today's automotive industries, many different simulation programs are used to optimize parts before they come into production. This has created a market for complex material models to get the best possible approximation of reality in the simulation environment. Several industries are still using older material models that can’t give an acceptable accuracy for the materials currently in use as they are based on much simpler and older materials. The problem with material models is that there is no direct comparison between the material models which leads to several sheet metal forming companies still holding on to older models like Hill`48.   The purpose of this work is to create a comparison of sheet material models from a user perspective to be able to provide recommendations of material models. Different models will be tested for different materials and will be based on AutoForm's recommendations. AutoForm is a FEM based sheet metal forming simulation program used by large names in the automotive industry. These recommendations are Vegter2017, BBC2005 or Hill`48 for steel and Vegter2017, BBC2005 or Barlat`89 for aluminum.   This work is achieved by comparing experimental data from a Limiting Dome Height (LDH) test with a simulation of this test for all material models and then comparing the results. The data that will be compared consists of the major and minor strain in the sheet as well as the punch force. These parameters are chosen as they give an overview of the model’s applicability as well as accuracy. The test will be performed on all materials available in Volvo Cars material library to create a broader overview of all material models. The material models will also be evaluated depending on their user-friendliness by analyzing what types of data are required to perform a simulation.   The result from these tests showed that BBC 2005 should be recommended for aluminum and steel for companies that have access to biaxial data and for people who put optimization in focus. Hill`48 proved far too deviant in the results for steel and should not be used if other models are available. Vegter 2017 proved perfect for steel simulations as the result were great as well as the necessary material data can be obtained through standardized tensile tests. The result also showed that Vegter2017 should not be used for aluminum since the result was too deviant from the experimental data in aspect for both form approximation and strain magnitude. Barlat`89 gave accurate results with only data from a tensile test which makes it a preferred model when working with aluminum.   The conclusion from this work is that the choice of material model is very dependent on what conditions you have as very few industries have access to the tests required by the BBC 2005 model. Another conclusion may be drawn for Barlat`89 with aluminum and Vegter 2017 with steel as they can be preferred when working with a small timeframe as well as when few test data is available.
Inom dagens bilindustri används det många olika simuleringsprogram för att optimera delar innan de kommer ut i produktion. Detta har då skapat en marknad för komplexa material modeller för att få en så bra approximation av verkligheten som möjligt. I flera industrier använder man sig fortfarande av äldre materialmodeller som egentligen inte håller måttet för dagens material då de är baserade på simplare material. Problemet som har skapat denna situation är att det inte direkt finns en konkret jämförelse mellan materialmodellerna vilket leder till att flera plåtformnings företag fortfarande håller kvar vid äldre modeller som t e x Hill`48.   Syftet med detta arbete är att skapa en jämförelse av plåt materialmodeller från ett användarperspektiv för att kunna ge konkreta bevis till rekommendationer av materialmodeller. Olika modeller skall testas för olika material och baseras på AutoForms rekommendationer. AutoForm är ett FEM baserat plåtformningssimulerings program som används av stora namn inom bilindustrin. Dessa rekommendationer är då att köra Vegter2017, BBC2005 eller Hill`48 för stål samt att köra Vegter2017, BBC2005 eller Barlat`89 för aluminium.   Detta arbete utförs genom att jämföra experimentella data från ett Limiting Dome Height (LDH) test med en simulering av detta test för alla material modeller och sedan jämföra resultaten. Jämförelsen mellan den experimentella och simuleringsdatan kommer att involvera major och minor strain i plåten samt stämpelkraften. Dessa parametrar har valts då de ger en bra översikt över materialmodellernas applicerbarhet och noggrannhet. Testen kommer att utföras på samtliga material som finns tillgängliga i Volvo Cars materialbibliotek för att skapa en breddare syn på samtliga modellers applicerbarhet. Materialmodellerna kommer även att utvärderas beroende på deras användarvänlighet samt vilka typer av data krävs för att använda modellen.   Resultatet visade att BBC 2005 skall rekommenderas för aluminium samt stål till de företag som har tillgång till biaxiella data samt lägger optimering i fokus. Hill`48 visade sig alldeles för avvikande för stål och bör inte användas om andra modeller är tillgängliga. Vegter 2017 visade sig perfekt för stål då resultatet var bra samt att den nödvändiga materialdatan kan införskaffas genom standardiserade dragprov. Resultatet visade även att Vegter 2017 inte bör användas för aluminium då resultatet var för avvikande. Barlat`89 gav bra resultat med endast data från dragprovstest vilket ger att den är att rekommendera för aluminium.   Slutsatsen från detta arbete är att valet av materialmodell är väldigt beroende av vilka förutsättningar som finns då väldigt få industrier har tillgång till de tester som krävs för att använda BBC 2005. I större delar av industrin där minimala optimeringar inte anses som väsentliga är Barlat`89 och Vegter 2017 att föredra då detta leder till snabbare processer.
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Marth, Stefan. "Material Characterization for Modelling of Sheet Metal Deformation and Failure." Licentiate thesis, Luleå tekniska universitet, Material- och solidmekanik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-62477.

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Weight reduction is one possibility to reduce fuel consumption and emission of transportation vehicles. Sheet metals are often used in automotive and aerospace applications and therefore the weight reduction achieved by reducing the sheet metals thickness is an important contribution to weight reduction. Increasing the strength of sheet metal materials gives the opportunity to reduce the total weight while maintaining safety. To prove a maintained safety for parts with a decreased weight Finite Element (FE) simulations are commonly used. This leads to a high demand on the simulation precision of sheet metals, where an accurate prediction of the post-necking behaviour of materials is needed. Improved FE simulations are reducing time and costs during the development processes.  One application to improve the strength of sheet metals in the automotive industry is the usage of ultra high strength steels, which has constantly increased in usage during the last decades. The development of the press hardening process, where sheet metal blanks are formed and quenched simultaneously, brings new design opportunities. Using press hardening tools with zones that uses different cooling rates sheet metal parts can be produced with tailored properties, to improve their performance. Simulating materials based on the microstructure demands high precision on the plasticity modelling for high strain values.  In this thesis work a method to characterize the elasto plastic post necking behaviour of sheet metal materials, the Stepwise Modelling Method (SMM), is presented. The method uses full field measurements of the deformation field on the surface of tensile specimen. The hardening relation is modelled as a piecewise linear in a step by step procedure. The linear hardening parameter is adapted to reduce the residual between experimental and calculated tensile forces. The SMM is used to characterize the post necking behaviour of a ferritic boron steel and the results are compared with the commonly used inverse modelling method. It is shown that the stepwise modelling method characterizes the true stress, true plastic strain relation in an effective and computational efficient way. Furthermore, the SMM is used to characterize the stress state evolution during tensile testing, which is an important factor for failure and fracture modelling. This method is shown in an aerospace application for the nickel based super alloy Alloy 718.  The results shows that the stepwise modelling method is an effective and efficient alternative method to characterize the deformation and failure of sheet metals. Based on the results of this method plasticity and fracture models can be characterized in future work.
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Christensson, Jesper. "Relation Between the Material in Press Hardening Dies and Fully Martensitic Transformation : Sheet properties of thick 3D-sheets in small series production." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-79015.

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This report evaluates the influence of the die material on the cooling rate and martensitic transformation of press hardened sheets. The goal was to increase the thicknesses of sheets that can form fully martensitic microstructure when press hardened. To achieve this, a numerical- and an experimental method was used and results were compared to assess the impact of die material change. The tests were conducted with two die materials, a ductile cast iron according to standard EN‑GJS‑700‑2 and a casted steel according to standard EN 1.6220. Two sheet materials, Hardox400 and Hardox450, were press hardened and two different thicknesses were evaluated. Simulations have been designed with temperature dependent material properties based on data gathered from the literature survey. All simulations indicated an improved cooling rate over the entire temperature spectrum when changing from the iron die to the steel die.   An experimental procedure has been performed using two different dies, both planar and of approximately the same thickness. Thermocouples were used to obtain cooling curves of all sheets during quenching. Samples were taken from each sheet and the hardness, microstructure and the present phases were investigated.   The experiments concluded that the thinner sheets, when quenched, experienced an overall increase in cooling rate in the steel die compared with the iron die. A total reduction in cooling time by 37.5%-43,7% was observed over the entire temperature span. However, only the Hardox400 sheet fully formed martensite, as the cooling of the Hardox450 sheets still was not fast enough in either of the dies. For the thicker sheets, the experiments also indicated a reduction in total cooling time. The total cooling time was reduced by 23% when pressed in the steel die compared to the iron die. This improvement, however, was not observed at higher temperatures. At the critical temperature span between 800˚C and 500˚C, the sheet showed no improvements in cooling rate with the die material change. Both the hardness measurements and the microstructure evaluation of the thicker sheets indicated a pearlitic-martensitic microstructure. As both the simulations and experiments indicated similar improvements, the increase in cooling rate could be accredited to the die material change.  This concludes that the heat transfer properties of the die material affected the cooling characteristics of the process. It was also concluded that the thinner sheets experienced a reduced cooling time over the entire temperature spectrum with the die material change. The thicker sheet, however, only experienced a reduced cooling time in the lower temperature span. Thus, changing the die material did not affect the hardening of the thicker sheets. This ultimately resulted in an unsuccessful attempt to increase the possible thickness of sheets with fully martensite microstructure. The improvements observed for the thinner sheets, are however promising and could be further evaluated for another sheet material.
I denna avhandling har relationen mellan ett verktygmaterials kylningseffekt och genomhärdningsförmåga under presshärdning utvärderats, med målet att öka tjockleken på plåtmaterial som genomhärdar. För att åstadkomma detta har en numerisk undersökning och en experimentell undersökning utförts för att bedöma effekten av ett byte av verktygsmaterial. Undersökningarna utfördes med två verktygsmaterial, ett segt gjutjärn enligt standard EN‑GJS‑700‑2 och ett gjutet stål enligt standard EN 1.6220. Under testerna användes även två olika plåtmaterial, Hardox400 och Hardox450, i två olika tjocklekar. Simuleringen har utformats med relevanta temperaturberoende materialparametrar erhållna från teorin. Resultaten från simuleringarna påvisade att ett byte av verktygsmaterial gav snabbare kylning av all plåtar över hela det undersökta temperaturspannet. Den experimentella undersökningen har utförts med två olika pressverktyg, båda plana med likartad tjocklek. Temperaturgivare användes för att erhålla kylkurvor för plåtarna när de kyldes i verktygen. Hårdhet, mikrostruktur och erhållna faser undersöktes för varje plåt. Experimenten påvisade att de tunnare plåtarna kyldes snabbare i stålverktyget än i järnverktyget över hela temperaturspannet, och resulterade i 37,5%-43,7% kortare kyltider. Trots detta, var det endast Hardox400-plåten som genomhärdades, då kylningen av Hardox450-plåten inte var tillräckligt snabb i något av verktygen. Även de tjockare plåtarna uppvisade en totalt kortare kyltid. Kyltiden minskade med 23% i stålverktyget jämfört med järnverktyget. Denna förbättring observerades dock inte över hela temperaturspannet. Vid höga temperaturer kylde stålverktyget långsammare än järnverktyget. De släckta plåtarna erhöll en perlitisk/martensitisk struktur vid komplett svalning, oberoende av verktygsmaterial. Eftersom både simuleringarna och experimenten påvisade liknande förbättringar, kan den ökade kylhastigheten härledas till bytet av verktygsmaterial. Detta fastställer att värmetransportegenskaperna hos verktygsmaterialet hade en inverkan på kylningen i processen. Studien påvisade också att de tunnare plåtarna kyldes fortare över hela temperaturspannet vid materialbytet. De tjockare plåtarna uppvisade dock endast en kortare kyltid i det lägre temperaturspannet. Därmed förblev härdningen av de tjockare plåtarna opåverkad av materialbytet. Detta resulterade i att presshärdning av ökad plåttjocklek för det undersökta materialet inte lyckades. De observerade förbättringarna hos de tunnare plåtarna är dock mycket lovande och bör studeras vidare.
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Vladimirov, Ivaylo [Verfasser]. "Anisotropic material modelling with application to sheet metal forming / Ivaylo Vladimirov." Aachen : Shaker, 2009. http://d-nb.info/1161300031/34.

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Newall, Geoffrey Charles. "Manipulation of composite sheet material for automatic handling and lay-up." Thesis, University of Bristol, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386276.

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Vladimirov, Ivaylo N. [Verfasser]. "Anisotropic material modelling with application to sheet metal forming / Ivaylo Vladimirov." Aachen : Shaker, 2009. http://nbn-resolving.de/urn:nbn:de:101:1-2018061705410905698643.

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Books on the topic "Sheet material"

1

United States. Nuclear Regulatory Commission. Nuclear material safety and safeguards: Fact sheet. Washington, D.C: USNRC, Office of Public Affairs, 1991.

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United States. Nuclear Regulatory Commission. Nuclear material safety and safeguards: Fact sheet. 3rd ed. Washington, D.C: USNRC, Office of Public Affairs, 1999.

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Dumschat, Catherine J. The material safety data sheet: An explanation of common terms. [Hamilton, Ont.]: Canadian Centre for Occupational Health and Safety, 1996.

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Dumschat, Catherine J. The material safety data sheet: An explanation of common terms. Hamilton, Ont: Canadian Centre for Occupational Health and Safety, 1988.

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Callaghan, Jessie M. The material safety data sheet: A basic guide for users. Hamilton, Ont: Canadian Centre for Occupational Health and Safety, 1987.

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Koning, A. V. de. Finite element analyses of stable crack growth in thin sheet material. Amsterdam: National Aerospace Laboratory, 1985.

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Callaghan, Jessie M. The material safety data sheet: A basic guide for users :international version. Hamilton, Ont: Canadian Centre for Occupational Health and Safety, 1996.

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Ossa, William. Material characterization of superplastically formed titanium (Ti-6Al-2Sn-4Zr-2Mo) sheet. Hampton, Va: Langley Research Center, 1987.

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Institute, Canadian Conservation, ed. Working with polyethylene foam and fluted plastic sheet. Ottawa: Canadian Conservation Institute (CCI), 1994.

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Callaghan, Jessie M. The material safety data sheet: A basic guide for users - Canadian WHMIS version. Hamilton, ON: Canadian Centre for Occupational Health and Safety, 1996.

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Book chapters on the topic "Sheet material"

1

Schikorra, Marco, R. Govindarajan, Alexander Brosius, and Matthias Kleiner. "Springback Analysis of Sheet Metals Regarding Material Hardening." In Sheet Metal 2005, 721–28. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-972-5.721.

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Emmens, Wilko C., and A. H. van den Boogaard. "Strain in Shear, and Material Behaviour in Incremental Forming." In Sheet Metal 2007, 519–26. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-437-5.519.

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Groche, Peter, and C. Metz. "Active Material Flow Control during High-Pressure Sheet Metal Forming." In Sheet Metal 2005, 377–84. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-972-5.377.

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Sorgente, D., G. Palumbo, and L. Tricarico. "Material Superplastic Parameters Evaluation by a Jump Pressure Blow Forming Test." In Sheet Metal 2007, 119–26. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-437-5.119.

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Altan, Taylan, H. Palaniswamy, G. Ambrogio, and Yingyot Aue-u-Ian. "Tube and Sheet Hydroforming-Advances in Material Modeling, Tooling and Process Simulation." In Sheet Metal 2005, 1–12. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-972-5.1.

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Behrens, Bernd Arno, J. W. Yun, and M. Milch. "Closed-Loop-Control of the Material Flow in the Deep Drawing Process." In Sheet Metal 2005, 321–28. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-972-5.321.

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van den Boogaard, A. H., H. H. Wisselink, and J. Huétink. "Do Advanced Material Models Contribute to Accuracy in Industrial Sheet Forming Simulations?" In Sheet Metal 2005, 71–80. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-972-5.71.

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D'Urso, Gianluca, Giuseppe Pellegrini, and Giancarlo Maccarini. "The Effect of Sheet and Material Properties on Springback in Air Bending." In Sheet Metal 2007, 277–84. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-437-5.277.

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Kumar, S., and R. Singh. "An Intelligent System for Modeling and Material Selection for Progressive Die Components." In Sheet Metal 2007, 873–80. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-437-5.873.

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Lim, Yongseob, Ravinder Venugopal, and A. Galip Ulsoy. "Equipment and Material Flow Control." In Process Control for Sheet-Metal Stamping, 11–22. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-6284-1_2.

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Conference papers on the topic "Sheet material"

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Goldstein, Dennis H. "Characterization of commercial sheet polarizer material." In Frontiers in Optics. Washington, D.C.: OSA, 2005. http://dx.doi.org/10.1364/fio.2005.fmb6.

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Goldstein, Dennis H., and Douglas G. Jones. "Characterization of commercial sheet polarizer material." In Defense and Security Symposium, edited by Dennis H. Goldstein and David B. Chenault. SPIE, 2006. http://dx.doi.org/10.1117/12.665790.

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Haldenwang, Rainer, Paul Slatter, and R. Chhabra. "Laminar Sheet Flow of Paste Material." In Eleventh International Seminar on Paste and Thickened Tailings. Australian Centre for Geomechanics, Perth, 2008. http://dx.doi.org/10.36487/acg_repo/863_22.

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Rackowitz, David. "Beyond the Data Sheet: Understanding Material Properties." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1999. http://dx.doi.org/10.4271/1999-01-0275.

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Voges-Schwieger, Kathrin, Sven Hübner, and Bernd-Arno Behrens. "Low Temperature Sheet Forming." In THE 14TH INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2011. AIP, 2011. http://dx.doi.org/10.1063/1.3589519.

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Radchenko, Andriy, Joseph Bishop, Richard Johnson, Paul Dixon, Marina Koledintseva, Roman Jobava, David Pommerenke, and James Drewniak. "Sheet absorbing material modeling and application for enclosures." In 2013 IEEE International Symposium on Electromagnetic Compatibility - EMC 2013. IEEE, 2013. http://dx.doi.org/10.1109/isemc.2013.6670491.

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Aggarwal, Anuj, Yang Qian, Hameed Khan, and Thorsen Alts. "New damping material for structurally stiff sheet panels." In 5th Annual International Symposium on Smart Structures and Materials, edited by Janet M. Sater. SPIE, 1998. http://dx.doi.org/10.1117/12.310626.

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Novák, Jakub. "Modular Spatial Structure from Sheet Material: Lucca 2018." In PhD Research Sympozium 2018. Brno: Fakulta architektury VUT v Brne, 2018. http://dx.doi.org/10.13164/phd.fa2018.17.

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Chen, Yi-Wei, Rex Jomy Joseph, Alec Kanyuck, Shahwaz Khan, Rishi K. Malhan, Omey M. Manyar, Zachary McNulty, Bohan Wang, Jernej Barbič, and Satyandra K. Gupta. "A Digital Twin for Automated Layup of Prepreg Composite Sheets." In ASME 2021 16th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/msec2021-63900.

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Abstract The composite sheet layup process involves stacking several layers of a viscoelastic prepreg sheet and curing the laminate to manufacture the component. Demands for automating functional tasks in the composite manufacturing processes have dramatically increased in the past decade. A simulation system representing a digital twin of the composite sheet can aid in the development of such an autonomous system for prepreg sheet layup. While Finite Element Analysis (FEA) is a popular approach for simulating flexible materials, material properties need to be encoded to produce high-fidelity mechanical simulations. We present a methodology to predict material parameters of a thin-shell FEA model based on real-world observations of the deformations of the object. We utilize the model to develop a digital twin of a composite sheet. The method is tested on viscoelastic composite prepreg sheets and fabric materials such as cotton cloth, felt and canvas. We discuss the implementation and development of a high-speed FEA simulator based on the VegaFEM library [29]. By using our method to identify sheet material parameters, the sheet simulation system is able to predict sheet behavior within 5 cm of average error and have proven its capability for 10 fps real-time sheet simulation.
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Sinke, J. "Sheet Bending using Soft Tools." In THE 14TH INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2011. AIP, 2011. http://dx.doi.org/10.1063/1.3589523.

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Reports on the topic "Sheet material"

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Бабець, Євген Костянтинович, Ірина Петрівна Антонік, Ірина Євгенівна Мельникова, and Антон Всеволодович Петрухін. nfluence of Mining and Concentration Works Activity on Land Resources. Petroșani, 2019. http://dx.doi.org/10.31812/123456789/3120.

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The research provides assessment of current and longer-term consequences of iron ore open pit mining for land resources of adjacent areas. There are applied methods of analysis of fund materials; comparison of topographic sheets and special maps, visual observation, soil testing, laboratory analyses and statistic processing of data obtained. It is revealed that facilities of iron ore mining and concentration waste accumulation (dumps and tailing ponds) are destructive factors for the local lithosphere, dust chemical contamination being the basic one. The steps aimed at reducing negative impacts of technogenic objects of the mining and raw material complex on the environment are under study.
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Author, Not Given. NREL Advances Spillover Materials for Hydrogen Storage (Fact Sheet). Office of Scientific and Technical Information (OSTI), December 2010. http://dx.doi.org/10.2172/1000569.

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Wallner, Gernot M., and Markus Povacz. IEA-SHC Task 39 INFO Sheet C1 - Polypropylene absorber materials. IEA Solar Heating and Cooling Programme, May 2015. http://dx.doi.org/10.18777/ieashc-task39-2015-0026.

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Nic Daeid, Niamh, Heather Doran, Lucina Hackman, and Pauline Mack. The Curse of the Burial Dagger Teacher Materials. University of Dundee, September 2021. http://dx.doi.org/10.20933/100001220.

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The Curse of the Burial Dagger is an interactive graphic novel murder mystery, created by the Leverhulme Research Centre for Forensic Science and digital story studio Fast Familiar. Players use maths, logic and critical reasoning skills to assist Susie uncover different types of forensic evidence and weigh up contrasting hypotheses. Can they uncover the events leading up to Lord Hamilton’s death and deduce how he died…before the curse strikes again? These documents are the Teacher/Group lead pack which contain additional resources including: • The Teacher/Group Lead Pack – Teacher walk through – Factsheet – What is Forensic Science? – Factsheet – What is a hypothesis? – Marzipan Calculation – Factsheet and activity – Fingerprint Analysis – Activity – Chromatography investigation • Printable completion certificate • Printable Note paper and fact-sheet
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DOE. OCRWM SCIENCE & TECHNOLOGY PROGRAM MATERIALS PERFORMANCE TARGETED THRUST FACT SHEET. Office of Scientific and Technical Information (OSTI), October 2005. http://dx.doi.org/10.2172/884912.

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Author, Not Given. NREL Develops Accelerated Sample Activation Process for Hydrogen Storage Materials (Fact Sheet). Office of Scientific and Technical Information (OSTI), December 2010. http://dx.doi.org/10.2172/1000567.

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Rossi, Ruggero, David Jones, Jaewook Myung, Emily Zikmund, Wulin Yang, Yolanda Alvarez Gallego, Deepak Pant, et al. Evaluating a multi-panel air cathode through electrochemical and biotic tests. Engineer Research and Development Center (U.S.), December 2022. http://dx.doi.org/10.21079/11681/46320.

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To scale up microbial fuel cells (MFCs), larger cathodes need to be developed that can use air directly, rather than dissolved oxygen, and have good electrochemical performance. A new type of cathode design was examined here that uses a “window-pane” approach with fifteen smaller cathodes welded to a single conductive metal sheet to maintain good electrical conductivity across the cathode with an increase in total area. Abiotic electrochemical tests were conducted to evaluate the impact of the cathode size (exposed areas of 7 cm², 33 cm², and 6200 cm²) on performance for all cathodes having the same active catalyst material. Increasing the size of the exposed area of the electrodes to the electrolyte from 7 cm² to 33 cm² (a single cathode panel) decreased the cathode potential by 5%, and a further increase in size to 6200 cm² using the multi-panel cathode reduced the electrode potential by 55% (at 0.6 A m⁻²), in a 50 mM phosphate buffer solution (PBS). In 85 L MFC tests with the largest cathode using wastewater as a fuel, the maximum power density based on polarization data was 0.083 ± 0.006Wm⁻² using 22 brush anodes to fully cover the cathode, and 0.061 ± 0.003Wm⁻² with 8 brush anodes (40% of cathode projected area) compared to 0.304 ± 0.009Wm⁻² obtained in the 28 mL MFC. Recovering power from large MFCs will therefore be challenging, but several approaches identified in this study can be pursued to maintain performance when increasing the size of the electrodes.
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Grabmayer, Klemens. IEA-SHC Task 39 INFO Sheet C7.3 - Polymeric Liner Materials for Hot Water Heat Storages. IEA Solar Heating and Cooling Programme, May 2015. http://dx.doi.org/10.18777/ieashc-task39-2015-0023.

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Task 45, IEA SHC. IEA-SHC INFO SHEET 45.B.3.2 - Seasonal pit heat storages - Guidelines for Materials & Construction. IEA Solar Heating and Cooling Programme, February 2015. http://dx.doi.org/10.18777/ieashc-task45-2015-0004.

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Jensen, Morten Vang. IEA-SHC TECH SHEET 45.B.3.2 - Seasonal Pit Heat Storages - Guidelines for Materials & Construction. IEA Solar Heating and Cooling Programme, February 2015. http://dx.doi.org/10.18777/ieashc-task45-2015-0005.

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