Academic literature on the topic 'Forming and Mechanical Properties'

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Journal articles on the topic "Forming and Mechanical Properties"

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Shen, Hong, and Zhenqiang Yao. "Study on mechanical properties after laser forming." Optics and Lasers in Engineering 47, no. 1 (2009): 111–17. http://dx.doi.org/10.1016/j.optlaseng.2008.07.010.

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Sanders, J. E., and C. H. Daly. "How does vacuum forming affect Pelite mechanical properties?" Prosthetics and Orthotics International 18, no. 1 (1994): 43–48. http://dx.doi.org/10.3109/03093649409164670.

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Pelite® is a polyethylene closed cell foam commonly used as an interface material in prosthetics. Both normal and vacuum-formed Pelite were tested under compression and under shear loading. For shear testing, the results were not significantly different for normal and vacuum-formed Pelite. For normal Pelite, the slope of the stress-strain curve was 1.17MPa (±0.14) while for vacuum-formed Pelite it was 1.24MPa (±0.22). Compressive results, however, were significantly different. Below 80kPa of applied compression, the slope of the stress-strain curve for normal Pelite was 0.99MPa (±0.11) while f
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Datsko, J., and W. J. Mitchell. "Changes in mechanical properties in metal-forming processes." Journal of Materials Engineering and Performance 2, no. 2 (1993): 265–70. http://dx.doi.org/10.1007/bf02660295.

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SLIEPTSOV, ALEKSANDR, RUSLAN ISKANDAROV, IGOR SLIEPTSOV та VYACHESLAV KOBZA. "ВПЛИВ ПАРАМЕТРІВ АДИТИВНОГО ВИРОБНИЦТВА НА ВЛАСТИВОСТІ ВИРОБІВ З ФОТОПОЛІМЕРУ". Technologies and Engineering, № 4 (4 січня 2022): 81–87. http://dx.doi.org/10.30857/2786-5371.2021.4.8.

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Purpose. Study of the influence of additive manufacturing parameters and post forming operations on complex mechanical properties of the articles formed from UV curable acrylic oligomer. Methodology. Determination of physical and mechanical properties of standard samples which was formed by additive manufacturing technics from UV curable polymer. Tensile strength and relative elongation at brake according to ISO 527-2:2012, impact strength according to: ISO 179-1:2010. Durometer hardness according to:ISO 2039-1:2001. Bending modulus according to: ISO 178:2010. Density according to: ISO 1183-1:
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Kim, Young Wook, Shin Han Kim, Chul B. Park, and Hai Doo Kim. "Processing and Mechanical Properties of Microcellular Ceramics." Key Engineering Materials 317-318 (August 2006): 899–904. http://dx.doi.org/10.4028/www.scientific.net/kem.317-318.899.

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Recently, a novel processing route for fabricating microcellular ceramics has been developed. The strategy for making the microcellular ceramics involves: (i) forming some shapes containing a mixture of preceramic polymer, expandable microspheres and optional fillers by a conventional ceramic forming method, (ii) foaming the compact by heating, (iii) cross-linking the foamed body, and (iv) transforming the foamed body into microcellular ceramics by pyrolysis. The flexural strength and compressive strengths of the microcellular ceramics were investigated; values up to 30 MPa and 100 MPa, respec
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Takagi, Hitoshi, and Yoshiyuki Okitsu. "Enhancement in Mechanical Properties of Bamboo by Press Forming." Materials Science Forum 675-677 (February 2011): 647–50. http://dx.doi.org/10.4028/www.scientific.net/msf.675-677.647.

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Raw Japanese timber bamboo was hot-pressed in order to investigate its static and dynamic mechanical properties such as flexural strength, flexural modulus, and impact strength. The purpose of this work was to examine the effect of molding pressure on the mechanical properties of hot-pressed bamboo. The hot-pressing pressures used were varied from 5 to 100 MPa and hot-pressing temperature was fixed to be 160°C. The density, flexural strength and flexural modulus remarkably increased up to 20 MPa, and then gradually increased. However Izod impact strength showed different pressure dependence. I
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Battezzati, Livio, and G. M. Mortarino. "On thermophysical and mechanical properties of glass-forming alloys." Journal of Alloys and Compounds 483, no. 1-2 (2009): 222–26. http://dx.doi.org/10.1016/j.jallcom.2008.08.099.

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Young, A. M., L. Karp-Boss, P. A. Jumars, and E. N. Landis. "Quantifying diatom aspirations: Mechanical properties of chain-forming species." Limnology and Oceanography 57, no. 6 (2012): 1789–801. http://dx.doi.org/10.4319/lo.2012.57.6.1789.

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Scharifi, Emad, Moritz Roscher, Steffen Lotz, Ursula Weidig, Eric Jägle, and Kurt Steinhoff. "Functional Gradation in Precipitation Hardenable AA7075 Alloy by Differential Cooling Strategies." Key Engineering Materials 883 (April 2021): 159–66. http://dx.doi.org/10.4028/www.scientific.net/kem.883.159.

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Inspired by steel forming strategies, this study focuses on the effect of differential cooling on mechanical properties and precipitation kinetics during hot stamping of high strength AA7075 alloy. For this aim, different forming strategies were performed using segmented and differentially heated forming tools to provide locally tailored microstructures. Upon processing, uniaxial tensile tests and hardness measurements were used to characterize the mechanical properties after the aging treatment. Microstructure investigations were conducted to examine the strengthening mechanisms using the ele
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Rahman, Mujibur M., and A. M. Nor. "Effect of Feedstock Preparation and Forming Temperature to the Characteristics of Green Compacts." Advanced Materials Research 879 (January 2014): 245–50. http://dx.doi.org/10.4028/www.scientific.net/amr.879.245.

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This paper presents the outcomes of an experimental investigation on the effect of feedstock preparation to the mechanical properties and microstructures of green compacts formed at above ambient temperature. A lab-scale uni-axial die compaction rig was designed and fabricated which enabled the powder forming at elevated temperature. Iron powder ASC 100.29 was mechanically mixed with different quantity of zinc stearate for 10, 30, and 60 minutes, respectively. Green compacts were generated by forming the prepared feedstock at room temperature and 180oC through simultaneous upward and downward
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Dissertations / Theses on the topic "Forming and Mechanical Properties"

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Pitt, Franna. "Effect of simulated superplastic forming processing on the mechanical properties of three titanium alloys /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/7146.

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Kishore, Siddharth. "Investigation of fracture and springback in hot and cold forming." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1408929973.

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Veligatla, Medha. "Glass Forming Ability, Magnetic Properties, and Mechanical Behavior of Iron-Based and Cobalt-Based Metallic Glasses." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc699947/.

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Lack of crystalline order and microstructural features such as grain/grain-boundary in metallic glasses results in a suite of remarkable attributes including very high strength, close to theoretical elasticity, high corrosion and wear resistance, and soft magnetic properties. In particular, low coercivity and high permeability of iron and cobalt based metallic glass compositions could potentially lead to extensive commercial use as magnetic heads, transformer cores, circuits and magnetic shields. In the current study, few metallic glass compositions were synthesized by systematically varying t
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Gillah, Peter Reuben. "The influence of novel forming techniques on the properties of medium density fibreboard." Thesis, Bucks New University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369910.

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Demirtas, Tuba. "Nanocrystallization In Marginal Glass Forming Alloys." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615506/index.pdf.

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The marginal glass-forming alloys have attracted much attention due to unique products of devitrification with a very high number density of nuclei up to 10^23 m^-3. Among these alloy systems, utmost interest is given to Al-RE and Al-TM-RE alloys with excellent lightweight mechanical (fracture strength close to 1 GPa) and chemical properties attributed to the presence of an extremely high density of nanocrystals embedded in an amorphous matrix. Classical nucleation theory fails in explaining this abnormal nucleation behavior, several other mechanisms have been proposed<br>however, there is sti
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Nayak, Ullal Pranav. "Effect of single point incremental forming on the microstructure and mechanical properties of aluminium and steel." Master's thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/17919.

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Mestrado em Ciência e Engenharia de Materiais<br>Neste trabalho foi investigado o efeito da deformação plástica por estampagem incremental de ponto simples (SPIF) na textura cristalográfica, estrutura de deslocações e propriedades mecânicas de chapas de alumínio, aço com baixo teor em carbono e aço de fase dupla. Foram realizados ensaios de tração nos materiais iniciais para caracterizar as suas propriedades mecânicas. Além disso, foram realizadas análises por difração de eletrões retrodispersados (EBSD), observações por microscopia eletrónica de transmissão (TEM) e cálculos utilizando o mode
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Fisher, Paul. "Additives to Control Mechanical Properties and Drug Delivery of Injectable Polymeric Scaffolds." UKnowledge, 2014. http://uknowledge.uky.edu/cbme_etds/25.

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In situ forming implants (ISIs) are popular due to their ease of use and local drug delivery potential, but they suffer from high initial drug burst, and release behavior is tied closely to solvent exchange and polymer properties. Additionally, such systems are traditionally viewed purely as drug delivery devices rather than potential scaffold materials due to their poor mechanical properties and minimal porosity. The aim of this research was to develop an injectable ISI with drug release, mechanical, and microstructural properties controlled by micro- and nanoparticle additives. First, an inj
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Turetta, Alberto. "Investigation on thermal, mechanical and microstructural properties of quenchenable high strenght steels in hot stamping operations." Doctoral thesis, Università degli studi di Padova, 2008. http://hdl.handle.net/11577/3425096.

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Sheet metal working operations at elevated temperature have gained in the last years even more importance due to the possibility of producing parts characterized by high strength-to-mass ratio. In particular, the hot stamping of ultra high strength quenchenable steels is nowadays widely used in the automotive industry to produce body-in-white structural components with enhanced crash resistance and geometrical accuracy. The optimization of the process, where deformation takes place simultaneously with cooling, and of the final component performances requires the utilization of FE-based codes w
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Bazzi, Ali, and Andreas Angelou. "Simulation of the anisotropic material properties in polymers obtained in thermal forming process." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Produktutveckling, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-40792.

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In an attempt to improve the quality in finite element analysis of thermoformed components, a method for predicting the thickness distribution is presented. The strain induced anisotropic material behaviour in the amorphous polymers of concern is also taken into account in the method. The method comprises of obtaining raw material data from experiments, followed by a simulation of the vacuum thermoforming process where hyperelastic material behaviour is assumed. The theory of hyperelasticity that was applied was based on the Ogden model and implemented in the FE-software LS-DYNA. Material beha
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Yue, Zhenming. "Ductile damage prediction in sheet metal forming processes." Thesis, Troyes, 2014. http://www.theses.fr/2014TROY0025/document.

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L'objectif de ce travail est de proposer un modèle de comportement avec endommagement ductile pour la simulation des procédés de mise en forme de tôles minces qui peut bien représenter le comportement des matériaux sous des trajets de chargement complexes en grandes déformations plastiques. Basé sur la thermodynamique des processus irréversibles, les équations de comportement couplé à l’endommagement tiennent compte des anisotropies initiales et induites, de l’écrouissage isotrope et cinématique et de l’endommagement isotrope ductile. Les effets de fermeture des microfissures, de triaxialité d
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Books on the topic "Forming and Mechanical Properties"

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Wagoner, R. H. Fundamentals of metal forming. Wiley, 1997.

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Marciniak, Z. Mechanics of sheet metal forming. 2nd ed. Butterworth-Heinemann, 2002.

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M, Caddell Robert, ed. Metal forming. 3rd ed. Cambridge University Press, 2007.

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M, Caddell Robert, ed. Metal forming: Mechanics and metallurgy. 2nd ed. Prentice Hall, 1993.

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Hosford, William F. Metal forming: Mechanics and metallurgy. Prentice-Hall, 1990.

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M, Caddell Robert, and Knovel (Firm), eds. Metal Forming: Mechanics and Metallurgy. 4th ed. Cambridge University Press, 2011.

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Kambic, HE, and AT Yokobori, eds. Biomaterials' Mechanical Properties. ASTM International, 1994. http://dx.doi.org/10.1520/stp1173-eb.

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E, Kambic Helen, Yokobori A. Toshimitsu 1951-, and American Society for Testing and Materials., eds. Biomaterials' mechanical properties. ASTM, 1994.

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David, Pye L., Montenero Angelo, and Joseph Innocent, eds. Properties of glass-forming melts. Taylor & Francis, 2005.

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Janssen, Jules J. A. Mechanical properties of bamboo. Kluwer Academic Publishers, 1991.

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Book chapters on the topic "Forming and Mechanical Properties"

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Bhaduri, Amit. "High-Energy Rate Forming." In Mechanical Properties and Working of Metals and Alloys. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7209-3_16.

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Fong, Kai Soon, Danno Atsushi, Dharmesh Kumar, Wee Kiat Ong, and Suwat Jirathearanat. "Mechanical Properties of Aluminium/Stainless Steel Bimetal Composite Fabricated by Extrusion Process." In Forming the Future. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_115.

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Aoyagi, Yoshiteru, Ryota Kobayashi, and David L. McDowell. "Simulated Microstructure Effects on Macroscopic Mechanical Properties Based on Multiscale Crystal Plasticity." In Forming the Future. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_21.

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Chen, Xin, Dongkai Xu, Lei Shi, Hua Xiao, Xifeng Li, and Jun Chen. "Effect of Pulse Current on Mechanical Properties and Microstructure of Ultrahigh-Strength Steel." In Forming the Future. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_72.

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Wiens, Eugen, Werner Homberg, Bahman Arian, Kerstin Möhring, and Frank Walther. "Forming of Parts with Locally Defined Mechanical and Ferromagnetic Properties by Flow-Forming." In Forming the Future. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_160.

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Nakayama, Kazuo, and Akira Kaito. "Solid-Phase Forming and Mechanical Properties of Polymers." In Macromolecular Science and Engineering. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58559-3_14.

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Yue, Yuanzheng. "Fiber Forming and Its Impact on Mechanical Properties." In Fiberglass Science and Technology. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72200-5_7.

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Dastgiri, Mohammad S., Leo Kiawi, Iman S. Sarraf, Eugene Ryzer, and Daniel E. Green. "Influence of Specimen Preparation Methods on the Mechanical Properties and Superplastic Behavior of AA5083 Sheets." In Forming the Future. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75381-8_131.

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Bakır, A. Alperen, Roozbeh Neshani, and Sezer Özerinç. "Mechanical Properties of 3D-Printed Elastomers Produced by Fused Deposition Modeling." In Materials Forming, Machining and Tribology. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68024-4_6.

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Spittel, M., and T. Spittel. "4.1 Mechanical properties of steel after cold deformation." In Metal Forming Data of Ferrous Alloys - deformation behaviour. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-44760-3_5.

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Conference papers on the topic "Forming and Mechanical Properties"

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YAZGAN, E. "Mechanical and microstructural properties of AISI 4140 after flow-forming process." In Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-113.

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Abstract. Flow-forming is a cold deformation process to form dimensionally precise and rotationally symmetrical parts. Strain hardening effect of the flow forming process, and possibility of producing cylindrical part are the advantages especially for aerospace industry. The purpose of this study is to investigate the effect of initial microstructure of an AISI 4140 steel on the microstructure and mechanical properties after being flow formed by 70% as the reduction ratio in the thickness direction. In this context, as-received steel was heat treated to standard quenched and tempered condition
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CHAN, C. Y. "Friction extrusion processing of aluminum powders: Microstructure homogeneity and mechanical properties." In Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-56.

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Abstract. Friction extrusion (FE) is a solid-state process categorized as an energy-efficient process, utilizing the intrinsic friction-induced heat to plasticize and manufacture fully consolidated extrudate from various feedstocks, i.e. solid billet, chips and powder. Friction in the relative motion between the feedstock and the non-consumable die generates heat as well as imposes severe plastic deformation; this combination enables dynamic recrystallization and refinement of the microstructure. This study demonstrates the feasibility of directly extruding aluminum alloy powder into fully con
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VAISSETTE, Julien. "Analysis of mechanical properties of stainless steel small diameter cold drawn wires." In Material Forming. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903131-78.

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Abstract. Wire suppliers commonly only commit to the chemical composition and minimum mechanical resistance of their wires in their material certificates. Unfortunately, the cold drawing process induces residual stresses that potentially have a strong impact on the overall behavior of the wire. An explanation of the difference between the industrial ‘tensile modulus’ and ‘flexural modulus’ whereas the material has a unique ‘Young Modulus’ is proposed by mean of FEA and experimental tests. Moreover, in order to better estimate the complex material state of small wires (with a diameter smaller t
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Comino, Francisco. "Thermo-mechanical properties of polylactic acid/olive wood composite for additive manufacturing." In Material Forming. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903599-253.

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Abstract. This study explored developing and characterizing sustainable composite materials based on polylactic acid (PLA) and olive wood particles. The composites were produced with varying wood contents (5–20 wt.%) and analyzed for their microstructural, thermal, and mechanical properties. Scanning Electron Microscopy (SEM) revealed a homogeneous dispersion of wood particles at lower concentrations, while higher wood contents led to agglomeration and interfacial defects. Differential Scanning Calorimetry (DSC) indicated that incorporating wood particles slightly reduced the matrix crystallin
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MARTIN, D. M. "Influence of process parameters on mechanical properties of lamination stacks produced by interlocking." In Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-121.

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Abstract. Interlocking is mainly used in the manufacture of lamination stacks for the cores for electrical energy converters. The process involves the embossing of nubs, which are subsequently stacked and joined by an interference fit. For an optimal design of interlocked joints, sufficient knowledge of the relationships between various influencing parameters in the manufacture and the resulting stack properties is essential. In addition to the design parameters nub geometry, size and embossing depth, the process parameters embossing clearance, counterpunch and blankholder force influence the
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ANDREOZZI, M. "Effect of process parameters on mechanical properties of photopolymeric resin in masked stereolithography." In Material Forming. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903599-11.

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Abstract. This study investigates the influence of process parameters on the mechanical properties and energy consumption of photopolymeric resins in the Masked Stereolithography (MSLA) 3D printing process. ELEGOO technology and resin were used to manufacture tensile specimens, according to ASTM D638-22 standards. The study employed a Full Factorial Design varying layer thickness (LT) and exposure time (ET) across three levels. Ultimate Tensile strength (UTS) and energy consumption were analyzed through experimental testing and nonlinear regression modelling. Results reveal that UTS decreases
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PAPA, I. "Thermal and mechanical properties of Fdmed biocomposites in polylactic acid and food flour waste." In Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-203.

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Abstract. In the last few years, fused deposition modelling (FDM) has been explored as an innovative technology for processing thermoplastic green composite materials. However, not all FDM filaments are ecologically beneficial due to their release of toxic compounds during printing. Moreover, they have a dangerous environmental impact, as they are obtained from petroleum. The researches on biofilament manufacturing for FDM are of great interest, thus attracting a lot of attention. The low cost of such filaments could help minimize the use of petroleum-based plastics. In this frame, this work d
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Øien, Christian Dalheim. "Towards hybrid modelling of aluminium extrusion mechanical properties – A univariate representation of artificial aging." In Material Forming. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903599-88.

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Abstract. Hybrid modelling of mechanical properties in age-hardened aluminium extrusions presents challenges in numerically representing artificial aging. This study investigates a diffusion-based synthetic feature, the Scheil integral, to assess its effectiveness in capturing temperature history for model training and inference. A comprehensive dataset of mechanical properties from Al-Mg-Si (6xxx) extrusions was analysed, and machine learning models were trained using both the full aging cycle representation and the Scheil integral as a single aging descriptor. Results demonstrate that this a
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XIAO, Fangnao. "Influence of particle characteristics on mechanical properties of particle reinforced tungsten alloys." In Metal Forming 2024. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903254-41.

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Abstract. The manufacturing processing and the mechanical properties of particle reinforced metal matrix composites are strongly dependent on their microstructural characteristics. In this research, 3D models in microscale of tungsten alloys reinforced by Zr(Y)O2 particles (W-Zr(Y)O2) were established to investigate their uniaxial compression deformation behaviours. The effects of particles contents, size and their distribution on the compressive properties of W-Zr(Y)O2 alloy were discussed. The mechanical behaviours of the reinforced W alloys were improved by increasing the content of Zr(Y)O2
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HEINZELMANN, P. "Modifying mechanical properties of sheet metal materials by work hardening mechanisms induced by selective embossing." In Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-104.

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Abstract. The selective modification of mechanical properties of sheet metal materials poses a promising approach for realizing lightweight designs, especially when achieved without additional material input. One method for locally adapting the mechanical properties of sheet metal components is to specifically induce work hardening into the sheet metal material by near-surface embossing. Previous studies have already shown this effect for the sheet metal materials DP500 and DP600. The present paper verifies these findings for embossed high-strength steel DP800 considering different blank thick
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Reports on the topic "Forming and Mechanical Properties"

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Kronenberg, A. K., J. E. Russell, N. L. Carter, R. Mazariegos, and W. Ibanez. Mechanical properties and modeling of seal-forming lithologies. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/6764631.

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Kronenberg, A. K., J. E. Russell, N. L. Carter, W. Ibanez, and R. Mazariegos. Mechanical properties and modeling of seal-forming lithologies. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/5575714.

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Kronenberg, A., J. Russell, N. Carter, R. Mazariegos, and W. Shea. Mechanical properties and modeling of seal-forming lithologies. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/6131253.

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Kronenberg, A. K., J. E. Russell, N. L. Carter, et al. Mechanical properties and modeling of seal-forming lithologies. Final report. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/656601.

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Kronenberg, A. K., J. E. Russell, N. L. Carter, W. Ibanez, and R. Mazariegos. Mechanical properties and modeling of seal-forming lithologies. Technical progress report No. 2, March 15, 1991--March 14, 1992. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/10141314.

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Kronenberg, A. K., J. E. Russell, N. L. Carter, R. Mazariegos, and W. Ibanez. Mechanical properties and modeling of seal-forming lithologies. Technical progress report No. 3, March 15, 1992--June 14, 1993. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10156989.

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Petrausch, Julius, Daniel Klein, Johannes Zimmer, and Markus Stommel. On the cryo-molding process and subsequent forming processes of biopolymers with low glass transition temperature. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.ss.bbb.10.

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Bio-based as well as biodegradable polymers are increasingly finding their way into applications such as food packaging. Here, certain biopolymers with a high degree of crystallinity may be of interest due to their superior barrier properties. Conversely, forming processes including high deformations often require an almost amorphous material state to avoid the brittle behavior associated with crystal structures. For some of those biopolymers, the narrow window in which they can be processed has delayed their potential use for packaging applications. In rigid packaging, two-step processes are
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ตัณฑะพานิชกุล, วิวัฒน์. การศึกษาผลกระทบของปริมาณน้ำในเซลลูโลสไนเตรตต่อคุณสมบัติของน้ำยาทาเล็บ ที่มีดินเหนียวเป็นสารปรับสภาพการไหล : รายงานวิจัยแบบสมบูรณ์. จุฬาลงกรณ์มหาวิทยาลัย, 2004. https://doi.org/10.58837/chula.res.2004.55.

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Cellulose nitrate (CN) is a semi-synthetic polymer rendering outstanding film properties such as good transparency, and water resistance, thus finds its major utilization in coating industry. Raw CN has water and isopropyl alcohol by-product at maximum content of approximately 3 and 30 wt%, respectively. The tolerance water level in the CN powder for a potential application as nail polish is investigated in order to produce good film-forming properties. The effect of adding layered silicate clay particles as thixotropic agent in the nail enamel is also examined. The water content was varied at
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Siripatrawan, Ubonratana. Active Chitosan-Based Film with Antimicrobial Property for Food Packaging Application. Chulalongkorn University, 2010. https://doi.org/10.58837/chula.res.2010.22.

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This research was aimed to develop an active film from chitosan film incorporated with green tea extract to enhance antioxidant and antimicrobial properties in order to be used for food shelf life extension. The experiments were divided into 3 parts. Firstly, chitosan-based film preparation and modification were determined. The results suggested that the optimum chitosan films could be prepared from 2% chitosan in 1% acetic acid. However, the chitosan film was brittle and had low flexibility. Mechanical property of chitosan film was modified by adding different concentrations of glycerol, as a
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Rosenfeld. L51686 Effect of Defect Size and Yield to Tensile Ratio on Plastic Deformation Capacity Pipeline Steels. Pipeline Research Council International, Inc. (PRCI), 1993. http://dx.doi.org/10.55274/r0010160.

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Micro-alloyed low-carbon linepipe steels offer an advantageous combination of high toughness and a low carbon equivalent (CE or Pcm) for good weldability. The continuing improvements in pipeline steel manufacturing practices have also led to pipeline steels with higher yield to tensile (Y/T) ratios and a corresponding reduction in strain hardening capacity. Potential users of high Y/T ratio pipeline steels are somewhat reluctant to modify their existing specifications. This is because they do not have the required information to judge the performance characteristics of such steels under a wide
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