Thematische Bibliographien / Semi-solid extrusion

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Auswahl der wissenschaftlichen Literatur zum Thema „Semi-solid extrusion“

Autor: Grafiati

Veröffentlicht am 14. Dezember 2024

Zuletzt aktualisiert am 26. Juli 2025

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Zeitschriftenartikel zum Thema "Semi-solid extrusion"

Uetani, Yasuhiro, Ryotaro Nagata, Hidetoshi Takagi, Kenji Matsuda, and Susumu Ikeno. "Effect of Granule Size in Semi-Solid Slurry on Rheo-Extrusion of A7075 Aluminum Alloy." Materials Science Forum 561-565 (October 2007): 291–94. http://dx.doi.org/10.4028/www.scientific.net/msf.561-565.291.

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Rheo-extrusions of A7075 aluminum alloy were carried out utilizing semi-solid slurries with different solid granule sizes, which were made by a simple method combined a thin upright tube with a water-cooled tube. Every structure of slurries was granular and average solid granule sizes could be controlled by 0.05 to 0.11mm. These slurries were extruded to round bars at extrusion ratio of 36 and press ram speed of 10mm/s mainly, just after cooling to 833K ( fs > 0.9 ). All of the slurries could easily be extruded to bars with smooth surfaces at much low extrusion forces than those of hot-extr

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Hu, Lian Xi, Yuan Yuan, and Shou Jing Luo. "Fabrication, Microstructure and Mechanical Properties of a SiCw/ZK51A Mg Composite by Semi-Solid Extrusion Directly Following Liquid Infiltration." Solid State Phenomena 116-117 (October 2006): 354–57. http://dx.doi.org/10.4028/www.scientific.net/ssp.116-117.354.

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A 20vol.%SiCw/ZK51A Mg-based composite was fabricated by the process of semi-solid extrusion directly following liquid infiltration. The microstructure and mechanical properties of the composite were investigated in comparison with its squeeze cast and hot extruded counterpart. The results showed that, by semi-solid extrusion, the SiC whiskers were well aligned and microstructure defects associated with the casting technology were eliminated. In addition, as compared with the conventional hot extrusion, the damage to the SiC whiskers during semi-solid extrusion was reduced significantly. Conse

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Kam, Heng Keong, Chan Chin Wang, Ying Pio Lim, and Wen Chiet Cheong. "Study of Forging Process of Yttrium-Modified A356 Aluminum Alloy and Numerical Simulation by Thermo-Viscoplastic Finite Element Method." Key Engineering Materials 701 (July 2016): 177–81. http://dx.doi.org/10.4028/www.scientific.net/kem.701.177.

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In this study, A356 aluminum alloy was heated up to semi-solid state and used as a billet for forward and backward extrusion. The workpiece will undergo solidification at the contact between billet and the tools when the material flowing through the die cavity during the semi-solid extrusion. The plasticity of A356 with 0.3wt% Y at semi-solid state was investigated by performing compression test. A numerical simulation code based on thermo-viscoplastic finite element method was developed to simulate the material flow and study the yttrium-modified A356 aluminum alloy under forward and backward

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Neag, Adriana, Véronique Favier, Régis Bigot, and Dan Frunză. "Study on Thixo-Extrusion of Semi-Solid Aluminium." Solid State Phenomena 141-143 (July 2008): 659–64. http://dx.doi.org/10.4028/www.scientific.net/ssp.141-143.659.

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Thixo-extrusion processing could become an important technique to extend the range and complexity of extruded profiles. This work presents the results of thixo-extrusion process applied on aluminium alloy and they were carried out with both computer numerical simulation and experimental methods. The thixo-extrusion set-up was made. Backward extrusion tests were particularly studied and simulated using Forge 2005 software. The constitutive equation used for these simulations is based on a micro-macro model for the semi-solid evolution. The constitutive equation parameters were identified due to

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Mori, Nanako, Yasuhiro Uetani, Masayoshi Dohi, Kenji Matsuda, and Susumu Ikeno. "Rheo-Extrusion of Hypereutectic Al-14.8Si-4.5Cu-1.1Mg Alloy." Advanced Materials Research 409 (November 2011): 57–62. http://dx.doi.org/10.4028/www.scientific.net/amr.409.57.

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Rheo-extrusion of hypereutectic Al-14.8%Si-4.5%Cu-1.1%Mg (in mass%) alloy which is considerably difficult to hot-extrude was tried using semi-solid slurry with fine solid granules and almost finely dispersed primary Si particles, made by a newly developed rotor process. Trials of rheo-extrusion at the constant extrusion ratio of 36 using this semi-solid slurry were carried out at the different conditions of the extrusion temperature and the ram speeds ranging from 520 to 560oC and from 5 to 20mm/s, respectively. Under the all rheo-extrusion conditions, this semi-solid slurry could easily be rh

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Yan, Hong, Ming Fu Fu, Xu Chun Tao, and Hong We Hu. "Study on Thixo-Extrusion of Semi-Solid Wrought Magnesium Alloy." Key Engineering Materials 367 (February 2008): 103–6. http://dx.doi.org/10.4028/www.scientific.net/kem.367.103.

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The traditional extrusion and thixo-extrusion processes of wrought magnesium alloy were studied with both computer numerical simulation and experimental methods. The thixo-extrusion set-up was made. The constitutive model of semi-solid AZ61 alloy was established in our prior literature. The comparison of two forming processes had been done. Results indicated that smaller load and uniform strain & stress were acquired in thixo-extrusion process. Simulation results were in good agreement with experimental ones.

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Xu, Yong Tao, Tian Yang Guan, Zhi Feng Zhang, Yue Long Bai, and Wei Min Mao. "Semi-Solid Rheological Squeeze Casting Process of ZL114A Aluminum Alloy Thin-Wall Complex Casting." Materials Science Forum 993 (May 2020): 248–53. http://dx.doi.org/10.4028/www.scientific.net/msf.993.248.

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High-strength aluminum alloy with large-scale and thin-walled complex castings have broad application prospects in aerospace, weapons, electronics, defense and military industries. However, due to the uneven thickness of the plate, the casting defects are inevitable by the ordinary casting method, and it is impossible to accurately control the shape and performance of the casting in the casting process. Previous studies have found that the semi-solid rheological extrusion casting technology with short process and near-end type can help solve this technical problem. Therefore, this paper studie

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Liu, Xiaobo, Miao Yang, Dekun Zhou, and Yuguang Zhao. "Microstructure and Wear Resistance of Mg2Si–Al Composites Fabricated Using Semi-Solid Extrusion." Metals 10, no. 5 (2020): 596. http://dx.doi.org/10.3390/met10050596.

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In situ Mg2Si–Al composites were prepared by using gravity casting and semi-solid extrusion. After P modification, the primary Mg2Si transformed to polygonal blocks. Extraction tests showed that the Mg2Si crystals had octahedral and tetrakaidekahedral morphologies. The semi-solid microstructure of the double-spheroidized α-Al matrix and reinforced-phase Mg2Si was successfully obtained by using semi-solid extrusion. Extraction tests showed that the Mg2Si crystals had a spherical morphology. Dry sliding wear behaviors of in situ Mg2Si–Al composites fabricated by using gravity casting and semi-so

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Simlandi, Sudip, Nilkanta Barman, and Himadri Chattaopadhyay. "Modelling of Extrusion Process for Aluminium A356 Alloy." Solid State Phenomena 217-218 (September 2014): 188–94. http://dx.doi.org/10.4028/www.scientific.net/ssp.217-218.188.

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In the present work, a model is developed to study extrusion process of A356 alloy in semi-solid state. The distinct rheology of the semisolid alloy reduces energy necessity during extrusion process. Accordingly, a proper rheological model of the alloy is considered in the model towards a detailed study of the process. A combination of analytical and numerical solutions is considered for solving the governing equations. The work finally predicts distribution of velocity and shear stress of the alloy under shear in the considered domain. It also predicts the energy requirement during the extrus

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Wang, Kai Kun, Fu Yu Wang, and Yuan Ning Wang. "Investigation on Slurry Filling Sequence during Semi-Solid Forming of Complex Aluminum Part." Materials Science Forum 704-705 (December 2011): 290–95. http://dx.doi.org/10.4028/www.scientific.net/msf.704-705.290.

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Semi-solid forming technology is a short metal processing method between the liquid casting and solid forming. Many forming factors have been found concerning the quality of the forming part. In this study, the influences of slurry filling sequence were investigated in semi-solid forming one complex aluminum part. Two different slurry filling methods were designed. Method one is thixo-upsetting + compound extrusion, method two is thixo-upsetting + extrusion. The experimental results showed that the optimised method of thixo-upsetting + extrusion could be the best strategy in improving the part

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Dissertationen zum Thema "Semi-solid extrusion"

Cassinath, Zen. "Development of twin screw Rheo extrusion technology." Thesis, Brunel University, 2013. http://bura.brunel.ac.uk/handle/2438/7608.

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Twin Screw Rheo Extrusion (TSRE) is a novel semisolid extrusion process developed at BCAST for producing simple profiles such as rods and wires of light alloys directly from melts with refined microstructures and improved mechanical properties. The process represents a shortened manufacturing route with great savings in investment, energy consumption and operation space. Research was carried out to investigate the feasibility of processing magnesium and aluminium alloys, to obtain the operations for the optimized microstructures and mechanical properties of the final product and to understand

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Kern, Christian [Verfasser]. "Waterless extrusion: Forced fusion of casein-based gel granulates into homogeneous and anisotropic, semi-solid structures / Christian Kern." München : Verlag Dr. Hut, 2020. http://d-nb.info/1220567868/34.

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Aina, Morenikeji. "3D printing of gummy formulations : evaluation of printability and pharmaceutical properties." Electronic Thesis or Diss., Ecole nationale des Mines d'Albi-Carmaux, 2024. http://www.theses.fr/2024EMAC0007.

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L'impression 3D par extrusion semi-solide (SSE 3DP) est une technologie innovante pour la fabrication de médicaments pour la voie orale. Cette technologie est particulièrement indiquée pour la production à basse température de principes actifs sensibles à la chaleur et pour la facilité de sa mise en place en milieu hospitalier afin de permettre la production à la demande avec des dosages adaptés aux patients. Malgré ses nombreux avantages, la SSE 3DP présente des défis importants, notamment une approche par essais-erreurs pour optimiser les formulations et les paramètres rhéologiques associés

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恵子, 名取, та Keiko Natori. "微細複合組織金属の変形機構および塑性加工性に関する研究". Thesis, https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB12867122/?lang=0, 2014. https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB12867122/?lang=0.

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ヘテロ構造組織を有する鉄・非鉄金属の組織形態に注目して,微視的構造やその挙動が巨視的現象(変形特性,成形性)として発現するメカニズムを解明することを目的とした.鉄系金属ではDual Phase型高張力鋼のスプリングバック現象のひずみ速度依存性,非鉄系金属では半凝固鋳造法と強ひずみ加工を組み合わせた亜共晶アルミニウム合金の衝撃後方押出し成形性に注目した.これらの検討によりいずれの試料においても,結晶粒界よりもスケールの大きいヘテロ構造に由来した変形機構が支配的であることが明らかになった. 博士(工学) Doctor of Philosophy in Engineering 同志社大学 Doshisha University

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Kuo, Jer Liang, and 郭哲良. "Study on hot extrusion process and semi-solid forming of magnesium alloys." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/18588775354046212790.

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博士 國立臺灣科技大學 機械工程系 93 This study mainly investigated the hot extrusion processes of magnesium alloy and the characteristics of this alloy under semi-solid state. Taguchi’s method, ANOVA analysis and Artificial Neural networks (ANNs) are applied to estalsish the analytical model for analyzing the experimental results. The main topics discussed in this study are the fllowing five items. 1. Taguchi’s experimental method is used to carry out the experiments of AZ31 and AZ61 magnesium alloys on the hot extrusion, extrusion ratios of the die are 35.89 and 55.85. From the results of

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Liang, Da-Lan, and 梁達嵐. "Application of Equal Channel Angular Repetitive Extrusion for Manufacturing Semi-solid Billets of Magnesium Alloy." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/86450271908437335805.

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博士 國立交通大學 機械工程系所 104 Recently, the growing demands for high strength light-weight products in automobile and aircraft industries have pushed the application of magnesium alloys into a unprecedented high level. Magnesium has the lowest density among all the structural metallic materials. Its strength-to-weight ratio is the highest of all the structural metals. Because of the ease of recycling, magnesium alloys attract the attention even in the consumer electronic industry. Fabrication of magnesium alloys are often processed by die casting, casting and sometimes thixo-forming since t

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Ilhamto, Nila. "Producing in-house pureed food in long-term care." Thesis, 2012. http://hdl.handle.net/10214/5284.

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There is limited knowledge on provisions used to ensure swallowing safety, nutritional adequacy and sensory acceptability of pureed foods in long-term care homes (LTCHs). The overall aim for this research was to expand knowledge of pureed food production in LTCHs, to study the impact of varying ingredients and preparation on sensory and nutrition and to model perceived oral textures in pureed food. Qualitative interviews with dietary staff (n=53) in 25 LTCHs showed a variety of challenges and practices in production, affecting overall quality. Pureed turkey varying in added liquid, meat muscle

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Buchteile zum Thema "Semi-solid extrusion"

Funk, Nadine Lysyk, Júlia Leão, Thayse Viana de Oliveira, and Ruy Carlos Ruver Beck. "Semi-Solid Extrusion (SSE) in Pharmaceuticals." In Additive Manufacturing in Pharmaceuticals. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2404-2_5.

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Neag, Adriana, Véronique Favier, Régis Bigot, and Dan Frunză. "Study on Thixo-Extrusion of Semi-Solid Aluminium." In Solid State Phenomena. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908451-59-0.659.

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Muenstermann, Simon, Rainer Telle, Frederik Knauf, and Gerhard Hirt. "Semi-Solid Extrusion of Complex-Shaped Steel Rods Using Ceramic Dies." In Solid State Phenomena. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908451-59-0.243.

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Yan, Hong, Ming Fu Fu, Xu Chun Tao, and Hong We Hu. "Study on Thixo-Extrusion of Semi-Solid Wrought Magnesium Alloy." In Advances on Extrusion Technology and Simulation of Light Alloys. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/0-87849-467-7.103.

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Firth, Jack, Abdul W. Basit, and Simon Gaisford. "The Role of Semi-Solid Extrusion Printing in Clinical Practice." In 3D Printing of Pharmaceuticals. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-90755-0_7.

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Zhang, Xiao Hua, Yan Ying Zhang, D. Z. Wu, and Shou Jing Luo. "Numerical Simulation of Semi-Solid Billet Preparation by Equal Channel Angular Extrusion." In Solid State Phenomena. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908451-59-0.683.

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Koren, Z., H. Rosenson, G. I. Rosen, and G. Segal. "Development of Semi-Solid Processes for Hot Extrusion of Magnesium Alloys." In Materials Science Forum. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-968-7.605.

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Jiang, Ju Fu, and Shou Jing Luo. "Mechanical Behavior of Processed AZ91D by Equal Channel Angular Extrusion during Semi-Solid Isothermal Compression." In Solid State Phenomena. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/3-908451-26-4.530.

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Ghadiani, S., Hossein Aashuri, Ali Khosravani, and A. Foroughi. "Viscosity Estimation of Semi-Solid Alloys by Drop Weight Backward Extrusion Test under High Speed Deformation." In Solid State Phenomena. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908451-59-0.379.

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Moradi, M., M. Nili-Ahmadabadi, B. Heidarian, and S. Ashouri. "Investigation of Thin Wall Casting Made of Semi-Solid A356 Using Back Extrusion and Die Cast." In Solid State Phenomena. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908451-59-0.67.

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Konferenzberichte zum Thema "Semi-solid extrusion"

Komarasamy, Mageshwari, and Glenn Grant. "Material Synthesis and Advanced Manufacturing Without Melting: Advantages of Bulk, High-Shear Processing." In AM-EPRI 2024. ASM International, 2024. http://dx.doi.org/10.31399/asm.cp.am-epri-2024p0473.

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Abstract The next generation of materials and assemblies designed to address challenges in power generation, such as molten salt or supercritical carbon dioxide thermal transfer systems, corrosion, creep/fatigue, and higher temperature operation, will likely be highly optimized for their specific performance requirements. This optimization often involves strict control over microstructure, including homogeneity, grain size, texture, and grain boundary phases, as well as precise alloy chemistry and homogeneity. These stringent requirements aim to meet the new demands for bulk mechanical perform

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NEZIC, N. "Development of a new method utilizing semi-solid aluminum wires for extrusion based additive manufacturing." In Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-9.

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Abstract. In the field of additive manufacturing (AM) technologies, the development of metal-based extrusion processes constitutes a significant industrial trend in the recent years. Respective processes are differentiated into powder bed, powder-fed and wire-fed depending on the used feedstock. Among those, powder-fed AM represents the most widely used approach, despite its physical limitations leading to intense thermal gradients and an uncontrollable defective microstructure of produced parts. In this context, extrusion-based AM using a wire semi-finished product in the semi-solid state off

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Davidson, M., K. Bharath, and A. Khanra. "Microstructural Evolution of Al-Cu-Mg Sintered Alloys Processed by Semi-Solid Extrusion Process." In MS&T18. MS&T18, 2018. http://dx.doi.org/10.7449/2018mst/2018/mst_2018_1439_1446.

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Neag, Adriana, Véronique Favier, Regis Bigot, Traian Canta, and Dan Frunza. "Experimental Investigation and Numerical Simulation During Backward Extrusion of a Semi-Solid Al-Si Hypoeutectic Alloy." In 10TH ESAFORM CONFERENCE ON MATERIAL FORMING. AIP, 2007. http://dx.doi.org/10.1063/1.2729582.

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Bezditnyi, A. A. "Features of Solid Modeling in Exact Terms." In 32nd International Conference on Computer Graphics and Vision. Keldysh Institute of Applied Mathematics, 2022. http://dx.doi.org/10.20948/graphicon-2022-947-955.

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The basic operations of constructing solid-state geometric objects in the form of an organized threeparameter set of points in three-dimensional space are described based on algorithms implemented in point calculus. These include shaping operations of extrusion and rotation and a kinematic operation with the possibility of axial rotation of the section plane. For the kinematic operation and the extrusion operation, algorithms are given in a general form without reference to specific examples. Moreover, due to the use of point calculus, the proposed algorithms can be generalized to a multidimen

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Hsiang, Su-Hai, and Yi-Wei Lin. "Study on the Mechanical Properties of AZ31 Magnesium Alloy Products Under Hot Extrusion Process." In ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95241.

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Magnesium alloy parts have the merits of low specific gravity, high specific strength, electromagnetic wave-proof shelter, and recyclability; therefore, it has been extensively applied to 3C and car industries. However, the processing and forming of magnesium is quite difficult to control due to magnesium’s hexagonal close-packed (HCP) structure, making the slipping face of itself less than the FCC material. Currently, common processing methods of magnesium alloys are die casting, semi-solid forming, and plastic forming. In the employment of a fixed-speed method for extrusion, the extruded she

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Krishnanand and Mohammad Taufik. "Development of a Pellet and Filament Form Integrated Multi-Material Additive Manufacturing Co-Extruder." In ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-71044.

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Abstract There are two methods to 3D print a part using extrusion-based additive manufacturing technology namely filament-based and pellets/granules-based. Filament-based extrusion needed a wire form material called a filament, which is pushed by a motor and gear mechanism, into a heating zone. In the heating zone, it converts in semi-solid form and is extruded out of the nozzle to deposit in a layer-over-layer manner. This extrusion strategy needed a non-flexible filament, so it limits the variety of materials. Converting material into wire form also increases the cost of 3D printing. Pellet-

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HAN, Chenyang. "Solid state recycling operations for AA7075." In Metal Forming 2024. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903254-22.

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Abstract. Solid-state recycling offers a sustainable solution characterized by low energy consumption and heightened product efficiency compared to conventional melting-based methods. Among these, Friction Stir Extrusion processes emerge as an innovative and promising category within solid-state recycling, showcasing the ability to directly repurpose machining chips into solid products. However, as these processes primarily yield semi-finished products -typically in the form of wires, rods, or small billets- subsequent post-recycling forming processes become imperative for achieving net-shape

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Rautamo, M., HM Tolonen, N. Asinger, et al. "3PC-031 Usability of semi-solid extrusion 3D printing in hospital pharmacy settings to produce personalised oral medications for paediatric patients." In 28th EAHP Congress, Bordeaux, France, 20-21-22 March 2024. British Medical Journal Publishing Group, 2024. http://dx.doi.org/10.1136/ejhpharm-2024-eahp.88.

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