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1

Haldar, Amit Kumar, and S. Senthilvelan. "Notch Effect on Discontinuous Fiber Reinforced Thermoplastic Composites." Key Engineering Materials 471-472 (February 2011): 173–78. http://dx.doi.org/10.4028/www.scientific.net/kem.471-472.173.

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Increasing utilization of thermoplastic composites in the structural application necessitates understanding of damage tolerance characteristics. In this work, unreinforced, 20 % short, 20 % long glass fiber reinforced polypropylene were injection molded and considered. Test specimens with different notch sizes were tested under static as well as fatigue loading conditions. Under static load condition, short fiber reinforced and unreinforced test material exhibited notch strengthening effect; whereas long fiber reinforced material exhibited notch weakening effect. Failure morphology under fatig
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2

Crosby, J. M., and T. R. Drye. "Fracture Studies of Discontinuous Fiber Reinforced Thermoplastic Composites." Journal of Reinforced Plastics and Composites 6, no. 2 (1987): 162–77. http://dx.doi.org/10.1177/073168448700600205.

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3

Jiang, Bingyan, Muhan Zhang, Liang Fu, Mingyong Zhou, and Zhanyu Zhai. "Molecular Dynamics Simulation on the Interfacial Behavior of Over-Molded Hybrid Fiber Reinforced Thermoplastic Composites." Polymers 12, no. 6 (2020): 1270. http://dx.doi.org/10.3390/polym12061270.

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Hybrid fiber reinforced thermoplastic composites are receiving important attention in lightweight applications. The fabrication process of hybrid thermoplastic composites is that discontinuous fiber reinforced thermoplastics are injected onto the continuous fiber reinforced thermoplastics by over-molding techniques. The key issue during this process is to get a reliable interfacial bonding strength. To understand the bonding mechanism at the heterogeneous interface of hybrid thermoplastic composites which is difficult to obtain through experimental investigations, a series of molecular dynamic
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4

Sharma, Bhisham N., Diwakar Naragani, Ba Nghiep Nguyen, Charles L. Tucker, and Michael D. Sangid. "Uncertainty quantification of fiber orientation distribution measurements for long-fiber-reinforced thermoplastic composites." Journal of Composite Materials 52, no. 13 (2017): 1781–97. http://dx.doi.org/10.1177/0021998317733533.

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We present a detailed methodology for experimental measurement of fiber orientation distribution in injection-molded discontinuous fiber composites using the method of ellipses on two-dimensional cross sections. Best practices to avoid biases occurring during surface preparation and optical imaging of carbon-fiber-reinforced thermoplastics are discussed. A marker-based watershed transform routine for efficient image segmentation and the separation of touching fiber ellipses is developed. The sensitivity of the averaged orientation tensor to the image sample size is studied for the case of long
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5

Gomer, Andreas, Wei Zou, Niels Grigat, Johannes Sackmann, and Werner Schomburg. "Fabrication of Fiber Reinforced Plastics by Ultrasonic Welding." Journal of Composites Science 2, no. 3 (2018): 56. http://dx.doi.org/10.3390/jcs2030056.

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Ultrasonic fabrication of fiber reinforced plastics made from thermoplastic polymer films and carbon or glass fibers enables cycle times of a few seconds and requires investment costs of only some 10,000 €. Besides this, the raw materials can be stored at room temperature. A fiber content of 33 vol % and a tensile strength of approximately 1.2 GPa have been achieved by ultrasonic welding of nine layers of foils from polyamide, each 100 µm in thickness, and eight layers of carbon fibers, each 100 µm in thickness, in between. Besides unidirectional carbon fiber reinforced polymer composite (CFRP
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6

Kech, Armin, Susanne Kugler, and Tim Osswald. "Significance of Model Parameter Variations in the pARD-RSC Model." Journal of Composites Science 4, no. 3 (2020): 109. http://dx.doi.org/10.3390/jcs4030109.

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This study aims to evaluate how fiber orientation results are dependent on fluctuations in input parameters, such as the average fiber length, fiber volume content, and initial alignment of fibers. The range of parameters is restricted to deviations within one specific short fiber reinforced thermoplastic and is not set up to investigate the differences between materials. The evaluation was conducted by a virtual shear cell based on a mechanistic modeling approach. The fiber orientation prediction model discussed is the pARD-RSC (principal anisotropic rotary diffusion-reduced strain closure) m
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7

Rizov, V., T. Harmia, A. Reinhardt, and K. Friedrich. "Fracture Toughness of Discontinuous Long Glass Fiber Reinforced Polypropylene: An Approach Based on a Numerical Prediction of Fiber Orientation in Injection Molding." Polymers and Polymer Composites 13, no. 2 (2005): 121–30. http://dx.doi.org/10.1177/096739110501300201.

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The fracture toughness of discontinuous long glass fiber reinforced injection-molded polypropylene has been characterized by using the microstructural efficiency concept in combination with a numerical prediction of the fiber orientation during injection molding. The latter was performed by using the SIGMASOFT commercial software. In a three-dimensional numerical scheme, input data such as fiber volume fractions, shear viscosity and mean fiber aspect ratio have been used in order to perform the mold filling analysis. The resulted local fiber orientation parameters for injection molded square p
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8

Song, Yuyang, Umesh Gandhi, Adam Koziel, Srikar Vallury, and Anthony Yang. "Effect of the initial fiber alignment on the mechanical properties for GMT composite materials." Journal of Thermoplastic Composite Materials 31, no. 1 (2017): 91–109. http://dx.doi.org/10.1177/0892705716681400.

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A glass-mat-reinforced thermoplastic (GMT) material is widely used in the automotive industry for components such as underbody shields, seat structures, front/rear bumper, and front-end modulus. Due to the higher residual length of the glass strands, GMT usually offers better mechanical properties than injection-molded fiber-reinforced thermoplastics. The GMT material is typically manufactured by compression molding (CM) of preimpregnated fibers–reinforced resin sheets called mat. Two types of mats, one with discontinuous random (RD) fibers and other with aligned continuous fibers, are conside
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9

ICHIKI, Makoto, Atsuhiko YAMANAKA, Mariko TERADA, et al. "Analytical Evaluation on Mechanical Characteristics of Discontinuous Carbon Fiber Reinforced Thermoplastic Composites." Proceedings of the Materials and Mechanics Conference 2017 (2017): OS1010. http://dx.doi.org/10.1299/jsmemm.2017.os1010.

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10

Toba, Keisuke, Yuya Kondo, Masashi Harada, Azusa Nagura, Takushi Miyake, and Yuta Takada. "Improvement of Mechanical Properties of Discontinuous Carbon Fiber Reinforced Thermoplastic Induced by the Fiber Unbundling." Transactions of the Materials Research Society of Japan 41, no. 1 (2016): 135–38. http://dx.doi.org/10.14723/tmrsj.41.135.

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11

Reese, Julian, Gerald Hoffmann, Johannes Fieres, and Chokri Cherif. "Characterization of the electrical behavior of a discontinuous hybrid yarn textile made of recycled carbon and PA6 fibers during Joule heating." Journal of Thermoplastic Composite Materials 33, no. 10 (2020): 1317–35. http://dx.doi.org/10.1177/0892705720930794.

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The Joule heating of carbon fiber-based textiles enables an energy- and cost-efficient processing of carbon fiber reinforced thermoplastic parts. This article introduces a new method to pass direct current into a dry, not pre-consolidated hybrid yarn textile based on recycled carbon fibers and polyamide 6 fibers. The aim is to melt polyamide fibers, subsequently impregnate carbon fibers, and finally consolidate the material to form a composite part in a single process step. To increase the reliability of this technology, the electrical properties and the behavior of the material during the hea
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12

OHORI, Toshiro, Hanchul LEE, Isamu OHSAWA, and Jun TAKAHASHI. "Optimal Structural Design of Discontinuous Carbon Fiber Reinforced Thermoplastic Plates Subjected to Bending Loads." Journal of the Japan Society for Composite Materials 43, no. 2 (2017): 65–73. http://dx.doi.org/10.6089/jscm.43.65.

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13

Wallasch, Rainer, and Ramon Tirschmann. "Continuous Winding Technology for Specific Closed Structural Components." Materials Science Forum 825-826 (July 2015): 687–94. http://dx.doi.org/10.4028/www.scientific.net/msf.825-826.687.

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Since energy resources are limited, there is a strong need for efficient technologies, which are suitable for large scale production. Therefore, an innovative Continuous Orbital Winding Technology was developed within the Federal Cluster of Excellence EXC 1075 “MERGE Technologies for Multifunctional Lightweight Structures” at TU Chemnitz. This continuous orbital winding (COW) technology is aiming for mass-production-suited processing of special semi-finished fiber reinforced thermoplastic materials. The new process chain and modular concept allows the implementation of other technologies and s
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14

SUMIYAMA, Takuya, Tsuyoshi MATSUO, Mitsuharu KAN, Kenji FURUICHI, and Chisato NONOMURA. "Non-linear Finite Element Analysis for Three-point Bending Behavior of Discontinuous and Randomly-Oriented Chopped Carbon Fiber Tape-Reinforced Thermoplastic." Journal of the Japan Society for Composite Materials 43, no. 4 (2017): 149–59. http://dx.doi.org/10.6089/jscm.43.149.

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15

Kobayashi, Masatoshi. "Study of Monitoring Method and Melt Flow Behavior in Compression Molding Process Using Thermoplastic Sheets Reinforced with Discontinuous Long-Fibers." Journal of Composites Science 5, no. 2 (2021): 50. http://dx.doi.org/10.3390/jcs5020050.

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In compression molding using glass-fiber-mat-reinforced thermoplastic (GMT) sheets, a slightly longer compression waiting time from sheet placement on a lower mold to the start of sheet compression by an upper mold can cause incomplete filling due to a decrease in the sheet temperature. However, precise measurement techniques for compression waiting time have not been sufficiently established. A monitoring system was produced that includes pressure—temperature sensors mounted in a compression mold that can simultaneously measure the pressure and temperature of one local surface. Two types of d
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16

YANO, Fumiaki, and Tsuyoshi MATSUO. "Evaluation and Investigation of Strain Rate and Temperature Dependence Using 3-Point Bending Impact Test for Randomly-Oriented Discontinuous Carbon Fiber Reinforced Thermoplastic Composites." Journal of the Japan Society for Composite Materials 44, no. 4 (2018): 138–48. http://dx.doi.org/10.6089/jscm.44.138.

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17

Subramanian, C., and S. Senthilvelan. "Fatigue performance of discontinuous fibre-reinforced thermoplastic leaf spring." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 224, no. 3 (2010): 93–100. http://dx.doi.org/10.1243/14644207jmda319.

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18

Wei, Haowen, Wataru Nagatsuka, Hooseok Lee, et al. "Mechanical properties of carbon fiber paper reinforced thermoplastics using mixed discontinuous recycled carbon fibers." Advanced Composite Materials 27, no. 1 (2017): 19–34. http://dx.doi.org/10.1080/09243046.2017.1334274.

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19

YAMANAKA, ATSUHIKO, and MARIKO TERADA. "Evaluation of Discontinuous Carbon Fiber Reinforced Thermoplastics by General Measurement Systems." Sen'i Gakkaishi 77, no. 7 (2021): P—352—P—358. http://dx.doi.org/10.2115/fiber.77.p-352.

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20

Blok, Lourens, Marco Longana, and Benjamin Woods. "Fabrication and Characterisation of Aligned Discontinuous Carbon Fibre Reinforced Thermoplastics as Feedstock Material for Fused Filament Fabrication." Materials 13, no. 20 (2020): 4671. http://dx.doi.org/10.3390/ma13204671.

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In this work, aligned discontinuous fibre composite (ADFRC) tapes were developed and investigated as precursors for a novel 3D printing filament. ADFRCs have the potential to achieve mechanical performance comparable to continuous fibre reinforced composites, given sufficient fibre length and high level of alignment, and avoid many of the manufacturing difficulties associated with continuous fibres, e.g., wrinkling, bridging and corner radii constraints. Their potential use for fused filament fabrication (FFF) techniques was investigated here. An extensive down-selection process of thermoplast
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21

Romhany, Gabor, Tibor Czigany, Oleg I. Benevolenski, and Jozsef Karger-Kocsis. "Effect of Consolidation Degree on the Failure Generated Acoustic Emission Response of Discontinuous Glass Fibre Mat-Reinforced Polypropylenes." Advanced Composites Letters 10, no. 5 (2001): 096369350101000. http://dx.doi.org/10.1177/096369350101000506.

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The failure behaviour of partially and fully consolidated discontinuous glass fibre (GF) mat-reinforced thermoplastic polypropylene (GMT-PP) of various densities but with the same GF content was studied using the acoustic emission (AE) technique. The AE amplitude histograms were used to trace changes in the failure mode versus loading history and consolidation degree. AE amplitudes were clustered in three groups representing fibre debonding, pull-out and fracture events the occurrence of which was substantiated by fractografic inspection.
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22

Zhang, Dawei, Peng Qu, and Yuxi Jia. "A new numerical method for the tensile property analysis of discontinuous fiber-reinforced thermoplastics." Composites and Advanced Materials 30 (January 1, 2021): 2633366X2097749. http://dx.doi.org/10.1177/2633366x20977496.

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For predicting the mechanical properties of discontinuous carbon fiber-reinforced thermoplastics (DCFRTP), it is essential to consider the microstructure, including the fiber orientation and the properties of the constituting materials. In the present study, a heterogeneous particle model, considering the microscopic factors, is constructed on the basis of the peridynamic (PD) theory to investigate the tensile properties of DCFRTP. Two kinds of randomly oriented DCFRTP, with different constituents and volume fractions of carbon fiber, are used for the verification of this numerical model. A co
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23

Chen, Changhao, Qi Wu, Wuke Xu, Ke Xiong, and Nobuhiro Yoshikawa. "Microscopic stresses of discontinuous carbon fiber reinforced thermoplastics under thermal loading: two-fiber interactions." Computational Materials Science 199 (November 2021): 110805. http://dx.doi.org/10.1016/j.commatsci.2021.110805.

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24

Wei, Haowen, Wataru Nagatsuka, Isamu Ohsawa, Ken Sumimoto, and Jun Takahashi. "Influence of small amount of glass fibers on mechanical properties of discontinuous recycled carbon fiber-reinforced thermoplastics." Advanced Composite Materials 28, no. 3 (2018): 321–34. http://dx.doi.org/10.1080/09243046.2018.1520417.

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25

Fliegener, Sascha, and Jörg Hohe. "An anisotropic creep model for continuously and discontinuously fiber reinforced thermoplastics." Composites Science and Technology 194 (July 2020): 108168. http://dx.doi.org/10.1016/j.compscitech.2020.108168.

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26

Subramanian, C., and S. Senthilvelan. "Development and preliminary performance evaluation of discontinuous fibre reinforced thermoplastic leaf spring." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 223, no. 3 (2009): 131–42. http://dx.doi.org/10.1243/14644207jmda272.

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27

Kucher, Michael, Martin Dannemann, Ansgar Heide, Anja Winkler, and Niels Modler. "Miniaturised Rod-Shaped Polymer Structures with Wire or Fibre Reinforcement—Manufacturing and Testing." Journal of Composites Science 4, no. 3 (2020): 84. http://dx.doi.org/10.3390/jcs4030084.

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Rod-shaped polymer-based composite structures are applied to a wide range of applications in the process engineering, automotive, aviation, aerospace and marine industries. Therefore, the adequate knowledge of manufacturing methods is essential, covering the fabrication of small amounts of specimens as well as the low-cost manufacturing of high quantities of solid rods using continuous manufacturing processes. To assess the different manufacturing methods and compare the resulting quality of the semi-finished products, the cross-sectional and bending properties of rod-shaped structures obtaine
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28

WATANABE, Tomonori, and Toru FUJII. "Long Fiber Effect on Static and Fatigue Stregths of Discontinuous Fiber Reinforced Thermoplastics with Polypropylene Matrix." Transactions of the Japan Society of Mechanical Engineers Series A 64, no. 623 (1998): 1976–83. http://dx.doi.org/10.1299/kikaia.64.1976.

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29

Sasayama, Toshiki, Masahide Inagaki, and Norikazu Sato. "Direct Simulation Model for Fiber Motion and Breakage in the Processing of Discontinuous Fiber-reinforced Thermoplastics." Seikei-Kakou 33, no. 9 (2021): 316–18. http://dx.doi.org/10.4325/seikeikakou.33.316.

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30

Ouali, Ahmed Amine, Roman Rinberg, Lothar Kroll, Wolfgang Nendel, Aleksandr Todorov, and Holger Cebulla. "Natural Fibre Reinforced Bioplastics - Innovative Semi-Finished Products for Series Production." Key Engineering Materials 742 (July 2017): 255–62. http://dx.doi.org/10.4028/www.scientific.net/kem.742.255.

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The development of innovative bio-based composites with efficient manufacturing processes is the purpose of the current project C4 in the framework of the Excellence Cluster MERGE EXC 1075, funded by DFG (Deutsche Forschungsgemeinschaft). Efficiency in terms of mass-production, reproducibility and flexibility requires the performance of successive steps in the manufacture of semi-finished and final bio-based products. About bio-based materials, natural fibres composite (NFC) prepregs have been recently investigated as a potential cost-efficient semi-finished product. By means of continuous pro
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31

YAMAMOTO, Go, Kenji SAKAMOTO, Tomonaga OKABE, Masahiro HASHIMOTO, and Noriyuki HIRANO. "Tensile Strength Prediction of Discontinuous Carbon Fiber Reinforced Thermoplastics with an Open Circular Hole." Journal of the Japan Society for Composite Materials 43, no. 3 (2017): 104–11. http://dx.doi.org/10.6089/jscm.43.104.

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32

YASHIRO, Shigeki, and Noriyuki HIRANO. "OS2002 Compression molding simulation of discontinuous carbon-fiber-reinforced thermoplastics by smoothed particle hydrodynamics." Proceedings of the Materials and Mechanics Conference 2013 (2013): _OS2002–1_—_OS2002–2_. http://dx.doi.org/10.1299/jsmemm.2013._os2002-1_.

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33

Wan, Yi, and Jun Takahashi. "Tensile properties and aspect ratio simulation of transversely isotropic discontinuous carbon fiber reinforced thermoplastics." Composites Science and Technology 137 (December 2016): 167–76. http://dx.doi.org/10.1016/j.compscitech.2016.10.024.

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34

Zhang, Mingqiu, Jiarui Xu, Zhiyi Zhang, Hanmin Zeng, and Xiaodong Xiong. "Effect of transcrystallinity on tensile behaviour of discontinuous carbon fibre reinforced semicrystalline thermoplastic composites." Polymer 37, no. 23 (1996): 5151–58. http://dx.doi.org/10.1016/0032-3861(96)00341-2.

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35

NAGATSUKA, Wataru, Tsuyoshi MATSUO, Takashi MURAKAMI, and Noriyuki HIRANO. "Prediction about Temperature-Dependent Flexural Modulus of Discontinuous and Dispersed Carbon Fiber Mat Reinforced Thermoplastics." Journal of the Japan Society for Composite Materials 41, no. 3 (2015): 75–84. http://dx.doi.org/10.6089/jscm.41.75.

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36

NAGATSUKA, Wataru, Tsuyoshi MATSUO, Fumiaki YANO, and Jun TAKAHASHI. "Prediction about Time-Dependent Flexural Modulus of Discontinuous and Dispersed Carbon Fiber Mat Reinforced Thermoplastics." Journal of the Japan Society for Composite Materials 42, no. 1 (2016): 23–33. http://dx.doi.org/10.6089/jscm.42.23.

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37

Nguyen-Chung, Tham, Klaus Friedrich, and Günter Mennig. "Processability of Pultrusion Using Natural Fiber and Thermoplastic Matrix." Research Letters in Materials Science 2007 (2007): 1–5. http://dx.doi.org/10.1155/2007/37123.

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Fundamental mechanisms of the pultrusion process using commingled yarns of polypropylene matrix and discontinuous flax fiber to produce thermoplastic profiles were investigated in numerical and experimental manners. Essential issue is the fact that all natural fibers are discontinuous by nature, which may negatively influence the processability. The pultrusion process will be only successful if the pulling force exerted on the solidified pultrudates can be transmitted to the regions of unmelted commingled yarns by “bridging over” those melted regions within the die. This can be realized by app
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38

Wolf, H. J. "Screw plasticating of discontinuous fiber filled thermoplastic: Mechanisms and prevention of fiber attrition." Polymer Composites 15, no. 5 (1994): 375–83. http://dx.doi.org/10.1002/pc.750150508.

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39

Xiao, Bing, Takeyuki Zaima, Keiichiro Shindo, et al. "Characterization and elastic property modeling of discontinuous carbon fiber reinforced thermoplastics prepared by a carding and stretching system using treated carbon fibers." Composites Part A: Applied Science and Manufacturing 126 (November 2019): 105598. http://dx.doi.org/10.1016/j.compositesa.2019.105598.

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40

Creasy, Terry S., and Suresh G. Advani. "A model long-discontinuous-fiber filled thermoplastic melt in extensional flow." Journal of Non-Newtonian Fluid Mechanics 73, no. 3 (1997): 261–78. http://dx.doi.org/10.1016/s0377-0257(97)00045-1.

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41

Léger, Éric, Benoit Landry, and Gabriel LaPlante. "High flow compression molding for recycling discontinuous long fiber thermoplastic composites." Journal of Composite Materials 54, no. 23 (2020): 3343–50. http://dx.doi.org/10.1177/0021998320913625.

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An investigation into high flow compression molding for recycling thermoplastic discontinuous long fiber composites is presented. High flow recycled panels and conventional low flow baseline panels were produced with a large rectangular (2:1 aspect ratio) mold. Flow was induced in the recycled panels by stacking cut sections of conventionally produced baseline panels in the center of the mold cavity, representing 25% initial coverage. High flow compression molded panels were found to exhibit significantly higher than baseline tensile strength (+50%) and modulus (+31%) when tested in the direct
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42

Okine, R. K., D. H. Edison, and N. K. Little. "Properties and Formability of an Aligned Discontinuous Fiber Thermoplastic Composite Sheet." Journal of Reinforced Plastics and Composites 9, no. 1 (1990): 70–90. http://dx.doi.org/10.1177/073168449000900105.

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43

Nishikawa, M., A. Fukuzo, N. Matsuda, and M. Hojo. "Evaluation of elastic-plastic response of discontinuous carbon fiber-reinforced thermoplastics: Experiments and considerations based on load-transfer-based micromechanical simulation." Composites Science and Technology 155 (February 2018): 117–25. http://dx.doi.org/10.1016/j.compscitech.2017.12.003.

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44

Erland, Samuel, and Luke Savage. "The use of discontinuous PEEK/carbon fiber thermoplastic moulding compounds for thick-section componentry." Advanced Manufacturing: Polymer & Composites Science 5, no. 3 (2019): 100–113. http://dx.doi.org/10.1080/20550340.2019.1639968.

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45

Yamashita, Shinichiro, Takeo Sonehara, Jun Takahashi, Kazumasa Kawabe, and Tetsuhiko Murakami. "Effect of thin-ply on damage behaviour of continuous and discontinuous carbon fibre reinforced thermoplastics subjected to simulated lightning strike." Composites Part A: Applied Science and Manufacturing 95 (April 2017): 132–40. http://dx.doi.org/10.1016/j.compositesa.2017.01.010.

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46

Davidson, Theodore, T. A. Huang, J. P. Brizzolara, and D. H. Sebastian. "Flow Response and Microstructure of Polymers Reinforced with Discontinuous Fibers." MRS Proceedings 289 (1992). http://dx.doi.org/10.1557/proc-289-231.

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The reinforcement of plastics with fibers has been practiced for many years. Only recently have long discontinuous fibers been compounded with thermoplastics by the method of pultrusion which preserves fiber length while promoting wetting of each fiber by the matrix polymer. Reinforcement of linear polymers with high strength fibers enhances physical properties and creates formable thermoplastic composites. Conventional compounding of fiber and polymer in a pelletizing extruder creates pellets. These are typically cylindrical, about 3 × 3 mm; containing fibers with a length distribution averag
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47

"Fracture studies of discontinuous fiber reinforced thermoplastic composites." Composites 18, no. 5 (1987): 417. http://dx.doi.org/10.1016/0010-4361(87)90397-1.

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48

Barnett, Philip R., Stephen A. Young, Vivek Chawla, Darren M. Foster, and Dayakar Penumadu. "Thermo-mechanical characterization of discontinuous recycled/repurposed carbon fiber reinforced thermoplastic organosheet composites." Journal of Composite Materials, May 12, 2021, 002199832110157. http://dx.doi.org/10.1177/00219983211015721.

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The integration of repurposed and recycled carbon fibers into high-performance composites is essential to the adoption of composites for automotive structures due to their low-cost, high formability, and reduced environmental impact. When high areal density nonwovens of these fibers are infused with a semi-crystalline thermoplastic resin, organosheets offering competitive mechanical properties can be produced. This study examined the optimization of such composites through multiscale material characterization and post-process annealing. Single fiber tensile tests were used to characterize repu
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49

Pappas, John M., Aditya R. Thakur, Ming C. Leu, and Xiangyang Dong. "A Comparative Study of Pellet-Based Extrusion Deposition of Short, Long, and Continuous Carbon Fiber-Reinforced Polymer Composites for Large-Scale Additive Manufacturing." Journal of Manufacturing Science and Engineering 143, no. 7 (2021). http://dx.doi.org/10.1115/1.4049646.

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Abstract Pellet-based extrusion deposition of carbon fiber-reinforced composites at high material deposition rates has recently gained much attention due to its applications in large-scale additive manufacturing. The mechanical and physical properties of large-volume components largely depend on their reinforcing fiber length. However, very few studies have been done thus far to have a direct comparison of additively fabricated composites reinforced with different carbon fiber lengths. In this study, a new additive manufacturing (AM) approach to fabricate long fiber-reinforced polymer (LFRP) w
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50

Kabala, Philipp, Tim Ossowski, André Hürkamp, Jan Beuscher, and Klaus Dröder. "Virtual parameter identification of the forming behaviour of discontinuous fibre reinforced thermoplastic composite sheets." ESAFORM 2021, April 8, 2021. http://dx.doi.org/10.25518/esaform21.3740.

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Fibre-reinforced thermoplastics (FRTP), such as organo sheets or laminates, are increasingly being used in large-scale automotive production. The high weight-saving potential, high specific strengths and stiffnesses as well as processing times suitable for large-scale production are some of the reasons for using these materials. However, the formability of such semi-finished products is severely limited by the fibre reinforcement, which can lead to fibre breakage, fibre displacement or wrinkling in complex-shaped components. In order to increase the formability, an FRTP semi-finished product i
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