Relevant bibliographies by topics / Centrifugal Casting

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  1. Journal articles

Academic literature on the topic 'Centrifugal Casting'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 June 2025

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Journal articles on the topic "Centrifugal Casting"

1

Chirita, G., I. Stefanescu, Delfim Soares, and F. S. Silva. "Effect of Gravity/ Vibration/ Centrifugal Process on Mechanical Properties of an Al-Si Alloy." Materials Science Forum 587-588 (June 2008): 395–99. http://dx.doi.org/10.4028/www.scientific.net/msf.587-588.395.

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On this paper, a study that evaluates the influence of some variables on the mechanical properties of the vertical centrifugal casting is made. It is emphasized the fact that the centrifugal effect from vertical centrifugal casting brings special features on mechanical properties. It has been observed that the centrifugal effect may substantially increase, in some alloys, the rupture strength, rupture strain, and Young modulus, as compared to the gravity casting technique. When compared to gravity casting, the centrifugal casting process, besides the centrifugal force (pressure effect), always has an inherent associated vibration during the casting. In this study, as an attempt to isolate the vibration effect from the overall centrifugal effect, tests on castings obtained by vibrating gravity casting process are made. A comparison between castings obtained by centrifugal casting technique, vibrating casting technique and gravity casting technique is made in order to fully understand the features that allow the improvement on mechanical properties during the vertical centrifugal casting technique. An analysis of the most important effects, on both mechanical properties and on some metallurgical features is made.
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2

Shao, Heng, Yan Li, Peng Zhao, Hai Nan, and Qing Yan Xu. "Numerical Simulation of Centrifugal Casting Process of Large Thin-Wall Ti Alloy Casting." Materials Science Forum 850 (March 2016): 469–81. http://dx.doi.org/10.4028/www.scientific.net/msf.850.469.

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Centrifugal pouring is often used in investment casting of large thin-wall Ti castings to promote filling. Shrinkage defects often appear in a Ti casting produced by centrifugal casting. Numerical simulation indicate that shrinkage is caused by these reasons: improper pouring system and thin-wall structure limited feeding of liquid metal from pouring system, and centrifugal force enlarged the shrinkage defects by strengthen feeding of liquid within the casting. Thus centrifugal casting is replaced by gravity casting and a new pouring system is adopted. Obvious shrinkage defects disappear in the new casting process.
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3

Mäsiar, H., L. Repka, P. Lipták, and O. Híreš. "Investigate the Possibility of Tekcast Methods Used for Casting Polymeric Resin Materials." Archives of Foundry Engineering 14, no. 2 (2014): 119–22. http://dx.doi.org/10.2478/afe-2014-0049.

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Abstract Contribution gives an overview of knowledge about the method of centrifugal casting with orientate on Tekcast system. Company Tekcast Industries has developed a device for centrifugal casting, extending the area of production of castings or prototyping of metal or plastic. Materials suitable for the centrifugal casting with flexible operating parameters may include non-ferrous metal alloy based on zinc or aluminum or non-metallic materials such as polyester resins, polyurethane resins, epoxy resins, waxes and the like. The casting process is particularly suitable for a wide range of commercial castings and decorative objects.
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4

Marukovich, E. I., V. A. Kharkov, I. O. Sazonenko, V. A. Kukareko, and A. V. Kushnerov. "Structure, physical and mechanical properties of bronze castings obtained by continuous and centrifugal casting." Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), no. 2 (June 9, 2020): 26–28. http://dx.doi.org/10.21122/1683-6065-2020-2-26-28.

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The influence of crystallization conditions (continuous and centrifugal casting) of small-sized BrА1Fe4Ni4 bronze castings on the structure, phase composition, and hardness was studied. It was found by metallographic and X-ray diffraction methods that the castings consist of (α + γ')-eutectoid, α phase and AlCu, Al2Cu3 intermetallic compounds. The matrix phase in the alloy, crystallized by centrifugal casting, due to its higher alloying with Al atoms, has an increased value of the crystal lattice parameter, compared with the case of continuous casting. The hardness of the casting obtained by centrifugal casting increases compared with continuous casting, which is due to the formation of a more dispersed structure, as well as a large solid solution hardening of the matrix phase of the casting.
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5

Mohapatra, Shubhashree, Hrushikesh Sarangi, and Upendra Kumar Mohanty. "Effect of processing factors on the characteristics of centrifugal casting." Manufacturing Review 7 (2020): 26. http://dx.doi.org/10.1051/mfreview/2020024.

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Centrifugal castings are produced by pouring liquid metal into rotating moulds. It solidifies under the influence of centrifugal forces, directed from the center to the periphery of the mould on account of mould rotation, and exhibits directionality in solidification which helps to eliminate voids and discontinuities in the resultant casting, usually encountered in gravity castings. Also, a compositional gradient is sat up in the melt which can be monitored, to produce functionally graded materials (FGMs) of choice with multi-functionality. The pouring rate, pouring temperature, mould temperature, and mould material can be suitably selected and altered in isolation or in combination, to generate a desired thermal gradient in the melt which decides its cooling rate. The cooling rate of the melt has the greatest impact on the grain structure of the casting. On the other hand, the grain structure of the casting governs its mechanical performance and decides the suitability for any specific end-use. Thus, different processing factors influence the characteristics of centrifugal casting. In the present article, a sincere attempt is made to analyze the effect of these factors and to enumerate the role played by each one of these factors in deciding the centrifugal casting characteristics.
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6

Chethan, K. S., S. Kiran Aithal, A. Madhusudan, and Rao Shailesh. "Investigation of Particle Segregation and Solidification Time in FGM's Using Centrifuge Casting Technique." Applied Mechanics and Materials 766-767 (June 2015): 956–61. http://dx.doi.org/10.4028/www.scientific.net/amm.766-767.956.

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Functionally Graded Materials (FGM) is a newly evolved concept to get desired properties in the material wherein the intermediate layer is transient since the particle size distribution gradually changes. Centrifugal casting [1] can produce only hollow shapes and Centrifuge casting can produce solid shape FGM very effectively. The study of particle distribution in a fluid using centrifuge casting process is carried out considering sand as particle and its distribution is studied under water, for different viscosity values and for viscosity varying with respect to temperature. Based on centrifugal force and density difference, an attempt has been made to mathematically model the centrifuge casting force to estimate the particle distribution over the length of the specimen and also to assess the influence of process parameters such as rotational speed (G-force) and density of the particles.
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7

Rostamzadeh, Safar, Behzad Niroumand, and Ali Maleki. "A Novel Method for Semi-Solid Casting of Hypereutectic Gray Cast Iron in Expendable Mold." Solid State Phenomena 256 (September 2016): 237–42. http://dx.doi.org/10.4028/www.scientific.net/ssp.256.237.

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In the present research, the possibility of single stage semi-solid casting of a hypereutectic gray cast iron in a sand mold was investigated. For this purpose, a specially designed chilled sprue sand mold rigged to a vertical centrifugal casting machine was used. The molten cast iron was poured in the chilled sprue sand mold at 1275 oC at a rotation speed of 400 rpm. Two control samples were also poured at 1275 oC under gravity and centrifugal casting conditions in the same mold without sprue chilling. Microstructures and mechanical properties of the specimens were then characterized. The results showed that the average length and thickness of the primary solid phase, i.e. the Kish graphite, and those of the eutectic flake graphite were smaller in semi-solid centrifuged castings and their hardness were higher than those of the control samples. The results are discussed in terms of the shearing and chilling effects of the designed sprue during the initial stages of pouring.
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8

Jayakumar, E., Jibin C. Jacob, T. P. D. Rajan, M. A. Joseph, and B. C. Pai. "Processing and Characterization of Hypoeutectic Functionally Graded Aluminum – SiC Metal Matrix Composites." Materials Science Forum 830-831 (September 2015): 456–59. http://dx.doi.org/10.4028/www.scientific.net/msf.830-831.456.

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The present study describes the processing and characterization of hypoeutectic A319 functionally graded Aluminium metal matrix composite (FGMMC) reinforced with 10 weight percentage SiCp particles of 23 μm size. FGMMC’s are processed by liquid stir casting method followed by vertical centrifugal casting. Metallographic analysis of FGMMC casting reveals the influence of the centrifugal force on the gradation of various phases in the matrix and an increasing gradient distribution of SiC reinforcements gradually from inner towards the outer periphery forming different zones. Tensile and the compressive tests show that the variation in properties are structure sensitive and is confirmed by the dry wear tests. The study clearly depicts the gradient nature in the structure and mechanical properties of the FGM castings produced by centrifugal casting method.
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9

Lin, Xuedong, Changming Liu, Linxian Che, and Jian Sun. "Study on the preparation technology of centrifugal Al-18Si-X composite reinforced with in situ particles." Journal of Physics: Conference Series 2338, no. 1 (2022): 012014. http://dx.doi.org/10.1088/1742-6596/2338/1/012014.

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Abstract Al-18Si-X (X=Mg, Ti, Ni) composite tubular castings were prepared by centrifugal casting. The microstructure of cylindrical casting of Al-18Si-X composite was observed along the radial direction, and the segregation behavior and distribution characteristics of primary particles formed in different alloys under the action of centrifugal field were studied. The results show that the in situ particles in Al-18Si-7Mg, Al-18Si-7Ti, and Al-18Si-7Ni tubular castings have different segregation behaviors under the action of centrifugal field, which results in the formation of particle reinforcing layers in different regions of the castings. It is found that the volume fraction, size and particle morphology of primary particles in particle reinforcement layer of different castings are different.
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10

SUN, ZHI, YANWEI SUI, AIHUI LIU, BANGSHENG LI, and JINGJIE GUO. "RESEARCH OF MECHANICAL PROPERTY GRADIENT DISTRIBUTION OF Al-Cu ALLOY IN CENTRIFUGAL CASTING." Surface Review and Letters 18, no. 06 (2011): 297–301. http://dx.doi.org/10.1142/s0218625x11014795.

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Al-Cu alloy castings are obtained using centrifugal casting. The regularity of mechanical property gradient distribution of Al-Cu alloy castings with the same centrifugal radius at different positions is investigated. The result shows that the tensile strength, yield strength, elongation and microscope hardness exhibit the following gradient distribution characteristic — high on both sides and low on the center. The trend of mechanical property gradient distribution of Al-Cu alloy increases with the increase in the rotation speed. Moreover, the mechanical properties of casting centerline two sides have asymmetry. The reason is that the grain size of casting centerline two sides and Al2Cu phase and Cu content change correspondingly.
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