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Journal articles on the topic 'Sand casting'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Major-Gabryś, Katarzyna, Małgorzata Hosadyna-Kondracka, Adelajda Polkowska, and Małgorzata Warmuzek. "Effect of the Biodegradable Component Addition to the Molding Sand on the Microstructure and Properties of Ductile Iron Castings." Materials 15, no. 4 (2022): 1552. http://dx.doi.org/10.3390/ma15041552.

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In this work, the results of the examinations of the effect of the mold material and mold technology on the microstructure and properties of the casts parts of ductile cast iron have been presented. Four different self-hardening molding sands based on fresh silica sand from Grudzen Las, with organic binders (no-bake process), were used to prepare molds for tested castings. A novelty is the use of molding sand with a two-component binder: furfuryl resin-polycaprolactone PCL biomaterial. The molds were poured with ductile iron according to standard PN-EN 1563:2018-10. The microstructure of the e

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2

Major-Gabryś, Katarzyna, Sabina Puzio, Agata Bryłka, and Jadwiga Kamińska. "The Influence of Various Matrixes on the Strength Properties of Moulding Sands with Thermally Hardened Hydrated Sodium Silicate for the Ablation Casting Process." Journal of Casting & Materials Engineering 5, no. 2 (2021): 31–35. http://dx.doi.org/10.7494/jcme.2021.5.2.31.

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The essence of ablation casting technology consists in pouring castings into single-use moulds made from the mixture of sand and a water-soluble binder. After pouring the mould with liquid metal yet while the casting is still solidifying, the mould destruction (washing out, erosion) takes place using a stream of cooling medium, which in this case is water. This paper focuses on the selection of moulding sands with hydrated sodium silicate for moulds used in ablation casting. The research is based on the use of water glass 145 and 150 as binders. As part of the research, loose moulding mixtures

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3

Mhamane, Digvijay A., Suyog B. Rayjadhav, and Vasudev D. Shinde. "Analysis of Chemically Bonded Sand Used for Molding in Foundry." Asian Journal of Science and Applied Technology 7, no. 1 (2018): 11–16. http://dx.doi.org/10.51983/ajsat-2018.7.1.1025.

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In casting industry the selection of mold material and molding method is challenging task. There are several types of molding methods, but over 70% of all metal castings are generally developed by means of sand molding (sand casting). Sand casting has two processes such as, green sand casting and chemically bonded sand casting process. This paper focuses on chemically bonded sand casting i.e. no-bake sand system (self-hardening system), among from all types of no-bake sand system, alkaline phenolic ester cured (ALPHASET) and furan acid cured no-bake system are preferably discussed. Curing mech

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4

Kaila, Vishal N., and Indravadan B. Dave. "An Investigation into the Effect of Backup Coat Sands on Investment Casting Products." Jurnal Kejuruteraan 34, no. 1 (2022): 109–15. http://dx.doi.org/10.17576/jkukm-2022-34(1)-10.

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Investment casting is a well-known method for producing precise and finished products. The shell-making process takes a long time and consumes a large amount of coating sands. On the wax pattern tree, the ceramic coating sands are used as a primary coat and several backup coats. Zirconia sand is used for primary coating on a shell in this work. Backup coat sands are made up of fused silica and alumina silica. Colloidal silica is used as a binding material in the formation of all shells. In the work, the effect of fused silica and alumina-silica sand as a backup coat on casting properties was d

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5

Singh, Rupinder, and T. Lal. "Effect of Moulding Sand Properties on Cost Effective Hybrid Rapid Casting Solution for Zinc Alloy." Advanced Materials Research 264-265 (June 2011): 1637–42. http://dx.doi.org/10.4028/www.scientific.net/amr.264-265.1637.

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The purpose of the present experimental investigations is to study the effect of moulding sand properties on reducing the shell wall thickness of mould cavity for cost effective, hybrid rapid casting solution of zinc alloy. Starting from the identification of component/benchmark, technological prototypes were produced, with three different moulding sands (dry, green and molasses), at different shell wall thickness of mould cavity using hybrid rapid prototyping technique (combination of three dimensional printing and conventional sand casting). Measurements on the coordinate measuring machine h

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6

Xu, Jingying, Jinwu Kang, Yongkang Hu, Houfa Shen, and Weimin Mao. "Study on the Mechanical Properties of 3D-Printed Sand Mold Specimens with Complex Hollow Structures." Materials 17, no. 5 (2024): 996. http://dx.doi.org/10.3390/ma17050996.

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Casting, as a fundamental process in metal forming, finds widespread applications in the manufacturing industry. The advent of 3D printing hollow sand mold technology presents a novel method for casting technology to revolutionize traditional dense sand molds, offering increased flexibility in achieving quality control and improvement in casting processes. Consequently, this study delves into an examination of the mechanical strengths of 3D-printed sand molds with complex hollow structures and further investigates the influence of hollow sand mold concession on castings. The results indicate t

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7

Jeon, Joo Mae, Soo Jo Lee, Kyeong Hwan Choe, and Jeung-Soo Huh. "Gas Pressure Effect on Sand Collapse in Kinetic Zone of Lost-Foam Casting." Advances in Materials Science and Engineering 2020 (April 25, 2020): 1–9. http://dx.doi.org/10.1155/2020/5861017.

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Pressure of the kinetic zone is an essential factor for making defect-free castings in lost-foam casting process. The extremely high pressure causes many problems, such as reducing the melt velocity and inclusion of residual decomposition of the pattern in the castings, and very low pressure causes sand collapse. Therefore, the minimum gas pressure for preventing sand collapse is required. When the minimum gas pressure can be predicted, computer simulation becomes possible. Successful computer simulations can help reduce the number of trials and the lead time while designing new casting produc

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8

Holtzer, M., A. Bobrowski, D. Drożyński, and J. Mocek. "Investigations of Protective Coatings for Castings of High-Manganese Cast Steels." Archives of Foundry Engineering 13, no. 1 (2013): 39–44. http://dx.doi.org/10.2478/afe-2013-0008.

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Abstract When cast steel castings are made in moulding sands on matrices of high-silica sand, which has a low fire resistance the problem of the so-called chemical penetration is distinctly visible. Whereas this effect appears to a small degree only when moulding sand matrices are of chromite, zircon or olivine sands. Therefore in case of making castings of high-manganese cast steel (e.g. Hadfield steel) sands not containing free silica should be applied (e.g. olivine sand) or in case of a high-silica matrix protective coatings for moulds and cores should be used. Two protective coatings, magn

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9

Łucarz, M. "Analysis of Spent Moulding Sands with Binders of Various Thermal Degradations, in an Aspect of a Possibility of a Directional Mould Degassing." Archives of Foundry Engineering 16, no. 2 (2016): 21–26. http://dx.doi.org/10.1515/afe-2016-0020.

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Abstract The results of investigations of spent moulding sands taken from the mould in which the metal core cooling system - to increase the cooling rate of the ladle casting - was applied, are presented in the hereby paper. The changes of the spent moulding sand at the casting external side being the result of degradation and destruction processes of organic binder, were analysed in this publication. Since the reclaimed material, obtained as a result of the mechanical reclamation of spent sands of the same type, is used as a grain matrix of the moulding sand, the amount of a binder left from

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10

B., Padmini, Likitha B., Venkata Kamesh B., Deepika B., Jagadeesh N, and Santhosh Kumar D. "Grain Fineness Number of Various River Sands for Metal Casting." Research and Reviews: Journal of Mechanics and Machines 3, no. 1 (2021): 1–5. https://doi.org/10.5281/zenodo.4817506.

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<em>The Grain Fineness Number (GFN) is the quantitative indication of the grain size distribution of the sand Sample by carrying out sand sieve analysis. The current manuscript aims to determine the value of GFN of various river sands. I.e. to determine the suitability of sand with the physical requirements of sand moulding. Calculating the grain fineness number gives an estimate of the average grain size of the sand sample. The grain size distribution influences the properties of sand as follow refractoriness, green strength, dry strength, hot Strength, permeability, compatibility. Permeabili

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11

Luo, Yi Lan, Shi Gen Zhu, Zheng Gang Yang, and Rui Zhang. "Study on the Mechanism of the Strippable Sintering Layer of the Natural Yellow Clay-Bonded Sand for Iron Casting." Applied Mechanics and Materials 66-68 (July 2011): 1622–27. http://dx.doi.org/10.4028/www.scientific.net/amm.66-68.1622.

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The distinguished characteristic of casting process of natural yellow clay-bonded green sand is a strippable sintering layer formed at the interface of casting and mould. Hot shake-out can be realized because this sintering layer can firmly attach to the casting surfaces to protect castings at elevated temperature. Better surface quality of castings is achieved after the sintering layer easily shed from the casting surface at room temperature. In this study, a series of tests were carried out to reveal the characteristic of this sintering layer. First, thermal gravimetric/differential thermal

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12

Chang, Qing Ming, Jing Yuan, Yin Kai Yang, and Xia Chen. "Modeling Analysis and Optimization of Sand Casting Process." Advanced Materials Research 479-481 (February 2012): 226–29. http://dx.doi.org/10.4028/www.scientific.net/amr.479-481.226.

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In this research paper, the sand casting process of a cover-type part for wind turbine was investigated with ProCAST software . The cover-type casting part is big in two dimensions and it is heavy in some local positions where shrinkage cavity and porosity are very likely to from. A non-uniform mesh is used corresponding to the non-uniform wall thickness. Different casting processes are employed, simulated and optimized to obtain sound castings. Simulation results reveal that with appropriate pouring temperature, correct number, size and location of chills and risers, a smooth mold filling, re

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13

Msani, Anazo, and Kasongo Didier Nyembwe. "Technical and financial feasibility assessment of producing an impeller sand mould by three-dimensional printing using a Voxeljet VX 1000 machine." MATEC Web of Conferences 388 (2023): 09002. http://dx.doi.org/10.1051/matecconf/202338809002.

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Impeller castings are some of the most critical components used in engineering applications with complex designs. The high-quality production of their sand mould is essential to ensure optimal casting properties. Three-dimensional printing is an appropriate modern technology that can manufacture such moulds at a shorter production lead time than traditional methods. This paper assesses the technical and economic feasibility of producing the impeller sand mould for casting a mining impeller pump using a Voxeljet VX1000 printer available locally. The methodology includes the use of casting simul

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14

Hendronursito, Yusup, and Yogi Prayanda. "POTENSI PASIR LOKAL TANJUNG BINTANG PADA ALUMINIUM SAND CASTING TERHADAP POROSITAS PRODUK HASIL COR ALUMINIUM." JURNAL KAJIAN TEKNIK MESIN 1, no. 2 (2016): 60–68. http://dx.doi.org/10.52447/jktm.v1i2.336.

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Green sand is one of the most important components in the process of metal casting. The sand in Indonesia region is varied level of subtlety, size of sand, and shape of sand. Green sand used in the process of metal casting is possible can affect the quality of casting product. This aims to determine the potential of Tanjung Bintang sand as green sand and the quality of the product in terms of porosity defects. The research was conducted by varying sand river from Tanjung Bintang and sand from Maringgai. Composition made varying is 100%,75%, 50%, and 25% Tanjung Bintang sand compared Maringgai

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15

Al-Zuhairi, Haitham Mohammed Ibrahim, Iqbal Alshalal, Auday Awad Abtan, Baha Sami Mahdi, and Muna Khalil Asmail. "Influence of the mold type on the mechanical properties of the piston alloy with nano alumina in casting and metal mold." Eastern-European Journal of Enterprise Technologies 5, no. 12 (119) (2022): 21–30. http://dx.doi.org/10.15587/1729-4061.2022.266263.

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This research is an experimental comparison study to show the influence of mold type casting on mechanical properties. The study considers the aluminum alloy of a gasoline engine piston with nanoparticles alumina Al2O3 size 25 nm manufactured in two types of molds. Sand mold and cast-iron mold were selected to cast the aluminum composite components. A systematic comparative study of tensile strength and hardness properties of cast aluminum components is made on sand and metal molds production. The nano powder can add to enhance the mechanical properties must not exceed 4 % for metal and sand m

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16

Nowak, Daniel, Artur Bobrowski, Bartłomiej Samociuk, Sylwia Żymankowska-Kumon, and Daniel Medyński. "Barley Malt as a Binder for Moulding Sands—Gas Evolution and Surface Quality of Iron Castings." Applied Sciences 14, no. 9 (2024): 3560. http://dx.doi.org/10.3390/app14093560.

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The requirements placed on the foundry industry are mainly related to the need to maintain an appropriate quality–price ratio of the product and to maintain an appropriate production regime that takes into account modern legal solutions related to environmental protection. This work is part of the trend of searching for new or previously unused materials from renewable sources in moulding sand technology. This article concerns the possibility of using barley malt in moulding material technology as a binding material. The presented work contains the results of research on the release of gases d

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17

Doroshenko, Volodymyr, and Alexander Yanchenko. "Combined method of foundry and thermal processes of manufacturing castings from iron-carbon alloys." Journal of Mechanical Engineering and Transport 19, no. 1 (2024): 55–60. http://dx.doi.org/10.31649/2413-4503-2024-19-1-55-60.

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With the help of innovations at an industrial enterprise, it is possible to increase labor efficiency and reduce the resource intensity of production. The relevance of the development of the technology of metal casting in sand molds, as the most common casting process, is justified by the fact that up to 80 % of the tonnage of castings is produced in such molds, including special types of casting in molds from sand materials. 60-70 % of the equipment capacities, areas, and personnel of foundry shops are attributed to molding processes, including mixing and rod production. Pollution "due to the

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18

Korenchenkova, D. E., and N. А. Polyakov. "Features of the technology of obtaining a propeller screw casting from BrAZHN bronze." Transactions of the Krylov State Research Centre S-I, no. 1 (2021): 287–88. http://dx.doi.org/10.24937/2542-2324-2021-1-s-i-287-288.

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Peculiarities of propeller propeller castings production are considered with indication of unique properties and requirements. Shown is a diagram of a one-time sand mold for casting blades. All possible variants of the molding sand, inspection and acceptance of the cast blades are given. The measures for checking, accepting and inspecting the castings of propellers and blades are indicated. A full cycle of propeller screw casting technology is considered.

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19

Haitham, Mohammed Ibrahim Al-Zuhairi, Alshalal Iqbal, Awad Abtan Auday, Sami Mahdi Baha, and Khalil Asmail Muna. "Influence of the mold type on the mechanical properties of the piston alloy with nano alumina in casting and metal mold." Eastern-European Journal of Enterprise Technologies 5, no. 12 (119) (2022): 21–30. https://doi.org/10.15587/1729-4061.2022.266263.

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This research is an experimental comparison study to show the influence of mold type casting on mechanical properties. The study considers the aluminum alloy of a gasoline engine piston with nanoparticles alumina Al<sub>2</sub>O<sub>3</sub> size 25 nm manufactured in two types of molds. Sand mold and cast-iron mold were selected to cast the aluminum composite components. A systematic comparative study of tensile strength and hardness properties of cast aluminum components is made on sand and metal molds production. The nano powder can add to enhance the mechanical properties must not exce

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20

Dybowski, B., A. Kiełbus, and R. Jarosz. "Mould Components Impact on Structure and Quality of Elektron 21 Alloy." Archives of Foundry Engineering 13, no. 2 (2013): 17–23. http://dx.doi.org/10.2478/afe-2013-0029.

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Abstract Magnesium alloys due to their low density and high strength-to-weight ratio are promising material for the automotive and aerospace industries. Many elements made from magnesium alloys are produced by means of sand casting. It is essential to investigate impact of the applied mould components on the microstructure and the quality of the castings. For the research, six identical, 100x50x20mm plates has been sand cast from the Elektron 21 magnesium casting alloy. Each casting was fed and cooled in a different way: one, surrounded by mould sand, two with cast iron chills 20mm and 40mm th

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Niakan, Ali Asghar, M. H. Idris, A. Ourdjini, and Majid Karimian. "Effect of Applying Air Pressure on Gas Porosity in Lost Foam Casting of Al-Si Alloy." Advanced Materials Research 628 (December 2012): 150–55. http://dx.doi.org/10.4028/www.scientific.net/amr.628.150.

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The paper presents the result of investigation on aluminum-silicon (LM6) alloy cast using pressurized lost foam casting process. The study investigated the effect of pressure and sand size on porosity of the casting produced. Air pressure of 1, 2, 3 and 4 bars was applied on the solidifying alloy poured in mould of sand sizes 16-30, 40-60, 60-100 (AFS). The porosities of casting were measured using optical microscope which was equipped with image analyzer. For porosity of castings, all surfaces of solidified castings were captured by digital camera for better observation. The results show that

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Niakan, Ali Asghar, M. H. Idris, Ali Ourdjini, and Majid Karimian. "Properties of Pressurized Lost Foam Casting of Al-11Si Alloy." Advanced Materials Research 383-390 (November 2011): 1730–34. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.1730.

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Lost Foam Casting, pressurized casting, solidification, mechanical properties. Abstract. The paper presents the result of investigation on aluminum-silicon (LM6) alloy cast using pressurized lost foam casting process. The study investigated the effect of pressure and sand size on hardness and roughness of the casting produced. Air pressure of 1, 2, 3 and 4 bars was applied on the solidifying alloy poured in mould of sand sized 40-60(AFS). The roughness and hardness of the casting was measured using Hobson (Surtronic 3+) and Vickers hardness testing machine respectively and reported in the aver

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23

Solonenko, L. I., S. I. Repiakh, K. I. Uzlov, A. V. Dziubina, and S. O. Abramov. "Sand-sodium-silicate mixtures structured in steam-microwave environment effective values of thermo-physical properties." Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, no. 6 (2021): 66–71. http://dx.doi.org/10.33271/nvngu/2021-6/066.

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Purpose. Sand-sodium-silicate mixtures, structured by steam-microwave solidification, thermo-physical properties integral-effective values during Al-Mg alloy and graphite cast iron pouring determination. Sand-sodium-silicate mixture apparent density changing according to quartz sand, cladded with sodium silicate solute, fractional composition and its influence on BrA9Zh3L bronze microstructure establishment. Methodology. Quartz sand with 0.23 mm average particle size, sodium silicate solute, aluminum alloy with 8.5% Mg, flake graphite cast iron SCh200 (DSTU 8833:2019), bronze BrA9Zh3L (GOST 49

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Zeng, Jian Min, and Yao He Zhou. "A New Sand Casting Process with Accelerated Solidification Rate." Materials Science Forum 686 (June 2011): 765–69. http://dx.doi.org/10.4028/www.scientific.net/msf.686.765.

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In order to solve the problems involved in coarse grains, macro and micro porosities initiated by low solidification rate in sand casting, an innovative counter-gravity sand casting process, Casing under Adjustable Pressure with Accelerated Solidification (CAPAS) was put forward in this paper. The hydrodynamics of mold filling for CAPAS is based on Bernoulli's principle. The mold and crucible were placed separately in the upper and lower chambers, with the feed tube connected between them. High-speed jet flow of air made negative pressure in the upper chamber. In this way, pressure differentia

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Aji Abdillah Kharisma and Abdul Rahman Agung Ramadhan. "ANALISA KEKUATAN TARIK PADA HASIL PROSES PENGECORAN NOZZLE UNTUK BRAKE COUPLING MENGGUNAKAN METODE CETAKAN PASIR JOLT SQUEEZE." Jurnal Ilmiah Teknik 3, no. 2 (2024): 07–16. http://dx.doi.org/10.56127/juit.v3i2.1316.

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Sand casting is one of the metal casting methods that has been developed and is still being improved. Sand casting is a type of metal casting that use sand molds. There are several ways to make sand casting, However, this study use the jolt squeeze technique to create complex product forms such as the nozzle component of the air brake coupling. FCD 500 nodular cast iron alloy castings are used in the production of brake coupling nozzles. The goal of this research focuses on the metal casting technique for nozzle products for brake coupling, and then continue with the tensile testing procedure.

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Khalasi, Hiren. "Casting Simulation for Sand Casting of Housing by Cast Designer." International Journal of Scientific Engineering and Research 11, no. 11 (2023): 28–31. https://doi.org/10.70729/se231112121800.

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Pandit, Harshwardhan, and Anand Deshpande. "Investigations into the Mould Variability of Process Parameters in Green Sand Moulds for Mould Characterization in the Casting Process." E3S Web of Conferences 430 (2023): 01244. http://dx.doi.org/10.1051/e3sconf/202343001244.

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In this study, the time-temperature behaviour of selected process parameters is established. The paper describes a new approach to understanding the defect generation phenomena in castings by considering the uniqueness of individual green sand moulds. It also explains the changing values of process parameters by experimental investigation. Foundry is the science of experiments. The aim is to achieve the right quality, quantity, and cost with minimum rejections. The casting quality results from several interconnected, dynamic, and complicated processes that are part of a foundry operation. Qual

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28

Asano, Kazunori, Takeshi Nagase, Shigeo Kashiwai, Takahiro Kaneyoshi, and Kazuhiro Kitamura. "Metal Casting and Sand Mold: (3) Sand Casting Practice at University." Materia Japan 61, no. 8 (2022): 493–98. http://dx.doi.org/10.2320/materia.61.493.

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I Ketut Gede Sugita, Ketut Astawa, and I Gusti Ngurah Priambadi. "The characteristics of the mechanical and acoustic bronze cu20sn as traditional bell material." Global Journal of Engineering and Technology Advances 16, no. 1 (2023): 058–63. http://dx.doi.org/10.30574/gjeta.2023.16.1.0140.

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This study is aimed to find out the mechanical and acoustic characteristics of casting traditional bell's result using metal mold and sand mold. The mechanical and acoustic characteristics of casting traditional bell's result are compared between metal molded and sand molded casting. The bronze alloy was smelted in a crucible furnace at the casting temperatures of 1000, 1050, and 1100 °C. The melted alloy is poured into a sand mold and a preheated metal mold at a temperature of 200 °C. Specimens were formed into bell and billet. The bell form was for acoustic testing. The Billet casted was cut

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Lee, Jeong-Min, Moon-Jo Kim, Kyeong-Hwan Choe, and DongEung Kim. "A Study on the Prediction of Characteristics of Molding Sand Using Machine Learning and Data Preprocessing Techniques." Korean Journal of Metals and Materials 61, no. 1 (2023): 18–27. http://dx.doi.org/10.3365/kjmm.2023.61.1.18.

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The main components of molding sand used in sand casting are sand, clay and water. The composition of the molding sand has a great influence on the properties of the casting. In order to obtain high-quality castings, it is important to manage the components that affect the properties of the molding sand such as especially green compression strength and compactability. In this work, green compression strength and compactability are predicted through a machine learning technique using the processing data obtained from a foundry and the properties of molding sand as the input variables. Through t

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31

Kashiwai, Shigeo, Takahiro Kaneyoshi, Takeshi Nagase, Kazunori Asano, and Kazuhiro Kitamura. "Metal Casting and Sand Mold: (2) Education Materials for Sand Mold Castings." Materia Japan 61, no. 7 (2022): 437–42. http://dx.doi.org/10.2320/materia.61.437.

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32

Grabowska, Beata, Sylwia Cukrowicz, Artur Bobrowski, et al. "Organobentonite Binder for Binding Sand Grains in Foundry Moulding Sands." Materials 16, no. 4 (2023): 1585. http://dx.doi.org/10.3390/ma16041585.

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A series of studies related to the production of organobentonite, i.e., bentonite-poly(acrylic acid), and its use as a matrix grain-binding material in casting moulding sand is presented. In addition, a new carbon additive in the form of shungite was introduced into the composition of the moulding sand. Selected technological and strength properties of green sand bond with the obtained organobentonite with the addition of shungite as a new lustrous carbon carrier (Rcw, Rmw, Pw, Pw, PD) were determined. The introduction of shungite as a replacement for coal dust in the hydrocarbon resin system

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Puga, Hélder, Joaquim Barbosa, and Joana Oliveira. "Use of Acoustic Energy in Sand Casting of Aluminium Alloys." Advanced Materials Research 690-693 (May 2013): 2366–70. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.2366.

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During the last years, some researchers have focused the development of ultrasonic microstructure refinement /modification techniques of die-casting aluminium alloys, to improve their properties. The developed techniques are highly efficient when applied to the die-casting process, but their capability with sand and ceramic moulding are unknown. Sand/ceramic aluminium castings are prone to coarse microstructure, porosities and inclusions due to low cooling rates and turbulent gravity pouring, and suitable processing techniques are required to eliminate those drawbacks. This article reports som

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Ajay, R., and S. Lovneesh. "Experimental Study on Effect of Sand Grain Size and Heat Dissipation on the Properties of Moulding Sand." IOP Conference Series: Earth and Environmental Science 1110, no. 1 (2023): 012078. http://dx.doi.org/10.1088/1755-1315/1110/1/012078.

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Abstract The rate of heat dissipation affects the solidification of the casting. A controlled cooling rate is necessary to produce defect-free castings. Sand qualities such as green compression strength, permeability, flow ability, mould hardness, and compactibility play a key role in controlled cooling or uniform heat flow across the casting. A research is executed in this paper to see how these properties affect the heat dissipation rate. The coarse grain and fine grain sand particle sizes are the most important influencing elements. The solidification time for casting in coarse, medium, and

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35

Marukovich, E. I., V. M. Iljushenko, V. A. Pumpur, and V. M. Andrienko. "INVESTIGATION OF CARBON INFLUENCE IN CROMIUMIUM CAST IRONS FOR FORMING CASTINGS IN SAND AND COMBINED MOLDS." Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), no. 1 (April 6, 2018): 41–46. http://dx.doi.org/10.21122/1683-6065-2018-1-41-46.

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The results of research to determine the influence of the amount of carbon in chromium cast irons on the formation of castings in sand and combined molds are described in the article. Experimental studies were carried out with casting samples from wearresistant cromium cast iron with different carbon contents. The microstructure of the obtained samples is presented, and its analysis is performed. Numerical studies have been carried out to evaluate the effect of the carbon content on the dynamics and kinetics of hardening of castings in sand and combined molds. The influence of the carbon conte

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Aripov, A. R., B. R. Vokhidov, A. A. Asrorov, F. I. Sayfullaev, and M. N. Kurbonov. "Application of sand mold casting modelling for casting pump volute." Journal of Physics: Conference Series 2697, no. 1 (2024): 012037. http://dx.doi.org/10.1088/1742-6596/2697/1/012037.

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Abstract This work details the development of a gating system for sand mold casting utilizing advanced computer technologies in the casting industry. The study employs advanced methods to manufacture a component referred to as the pump volute. Made from the EN-GJN-HV600(XCr23) alloy, this component displays superior technological characteristics, notably for the production of sand mold gravity castings. SolidWorks software is utilized to generate 3D models of the component and the fill system based on predetermined dimensions. Subsequently, the component is imported into Pro-CAST software to c

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Fukihara, Makoto, Hiroyasu Makino, and Kunihiro Hashimoto. "Automation in Green Sand Processing Equipment." International Journal of Automation Technology 2, no. 4 (2008): 280–84. http://dx.doi.org/10.20965/ijat.2008.p0280.

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Green sand molding is indispensable in the mass production of iron castings such as those used for automobiles. Green sand processing equipment, which plays an important role in maintaining casting quality by supplying steadily mixed sand, includes that used in mold removal and sand recovery, sand cooling, storage, mixing, and supply to the molding machine, as detailed in the sections that follow.

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Łucarz, M., and D. Drożyński. "Influence of the reclamation method of spent moulding sands on the possibility of creating favourable conditions for gases flow in a mould." Archives of Metallurgy and Materials 62, no. 1 (2017): 359–64. http://dx.doi.org/10.1515/amm-2017-0055.

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Abstract The results of investigations concerning the influence of the applied sand matrix (fresh sand, reclaim) on the properties of moulding sands used for production of large dimensional castings (ingot moulds, ladles), are presented in the hereby paper. The performed investigations were aimed at determining the influence of various reclamation methods of spent moulding sands on the quality of the obtained reclaimed material. Moulding sands were prepared on the fresh quartz matrix as well as on sand matrices obtained after various reclamation methods. The selected moulding sand parameters w

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Kaskani, Mehdi, and Behzad Niroumand. "On Non-Dendritic Microstructure Formation during Sand Casting of A356 Alloy." Solid State Phenomena 192-193 (October 2012): 433–40. http://dx.doi.org/10.4028/www.scientific.net/ssp.192-193.433.

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The purpose of this study was to develop a new method for formation of non-dendritic microstructure during sand casting of aluminum alloys without any previous special processing. For this purpose, sand molds with three different types of running systems were designed. The first design included a traditional reverse tapered vertical sprue. The second design was similar to the first one except for a conical sand core placed inside the lower half portion of the sprue creating a narrow gap for the flow of the melt into the mold. In the third design, the core was fitted with metal chills. Molten A

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Hebsur, Naveen, and Sunil Mangshetty. "Casting Simulation for Sand Casting of Flywheel." IOSR Journal of Mechanical and Civil Engineering 11, no. 4 (2014): 37–41. http://dx.doi.org/10.9790/1684-11473741.

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Xu, Jingying, Jinwu Kang, Haolong Shangguan, et al. "Chimney Structure of Hollow Sand Mold for Casting Solidification." Metals 12, no. 3 (2022): 415. http://dx.doi.org/10.3390/met12030415.

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The hollow sand mold can affect the cooling of the casting during the solidification process. A chimney structure of a hollow sand mold that mainly consists of a two-layer shell with through channels was proposed. The design method was proposed for the chimney structure. Due to the chimney effect, cool air can enter the chimney from the bottom entrance, and hot air flows out from its top opening. Air transfers heat from the sand mold and forms a temperature gradient from bottom to top. A hollow sand mold with a chimney structure was applied to the wedge plate casting. During the solidification

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Svidró, J., A. Diószegi, L. Tóth, and J. T. Svidró. "The Influence of Thermal Expansion of Unbonded Foundry Sands on the Deformation of Resin Bonded Cores." Archives of Metallurgy and Materials 62, no. 2 (2017): 795–98. http://dx.doi.org/10.1515/amm-2017-0118.

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AbstractDepending on the preparation and the applied materials, moulds and cores can be of high rigidity or can be flexible. Although, chemically bonded moulding materials have relatively good flexibility, their high temperature behaviour determines the dimensional accuracy, the stresses in the castings and can induce several casting defects, such as rattail, veining, etc. The phenomenon is based on two major effects: the thermal expansion of the unbonded foundry sands and the deformation of the sand mixtures. The main objective of the present work was to study the relationship between these t

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Kumar, Manoj, and S. Banwait S. "Defect Analysis and Process Parameter Optimisation in Sand Casting." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 6 (2020): 390–95. https://doi.org/10.35940/ijeat.F1533.089620.

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M/s. Boparai Metals, a small scale industry situated in Industrial Area, Mohali, Punjab is manufacturing and supplying automotive and non automotive component to tractor companies in Punjab and aiming to provide the best solutions. The company is facing the problem of castings defects i.e. porosity, hot spot and shrinkage in cooler plate during the Sand Casting process. In this work, the study of existing process was done to find the root cause of the problem. Three dimensional gating system of cooler cover plate were modified by using UG– NX software. The models were imported using ADST

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Żymankowska-Kumon, S., M. Holtzer, J. Lelito, and R. Dańko. "Determination of the Overheating Degree of Moulding Sand with Bentonite - on the Grounds of Simulation Investigations." Archives of Foundry Engineering 12, no. 4 (2012): 176–80. http://dx.doi.org/10.2478/v10266-012-0128-4.

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Abstract A determination of the heating degree of the moulding sand with bentonite on the grounds of simulating investigations with the application of the MAGMA program, constitutes the contents of the paper. To this end the numerical simulation of the temperature distribution in the virtual casting mould was performed. It was assumed that the mould cavity was filled with a moulding sand with bentonite of a moisture content 3,2 % and bentonite content 8 %. A computer simulation can be used for predicting the heating degree of moulding sands with bentonite. Thus, prediction of the active benton

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Edlabadkar, A. P., S. S. Chaudhari, P. D. Kamble, C. Mankar, and D. N. Kashyap. "Empirical Exploration of Optimal Gating System Design for Sand Casting Process." AFRICAN JOURNAL OF APPLIED RESEARCH 11, no. 1 (2025): 871–91. https://doi.org/10.26437/ajar.v11i1.888.

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Purpose: This paper aims to analyse and optimise the gating system used in the sand casting process to produce drainage doors at Deepshikha Casting in Nagpur. It focuses on understanding how gate design impacts productivity and the quality of the cast, drawing attention to common defects and the role of gravity casting techniques. Design/Methodology/Approach: This paper discusses the present gating system of Deepshikha Casting in detail to identify defects, such as sand inclusions, blow holes, pinholes, gas holes, shrinkage, and misruns. The present gating ratio and system weight assessment ar

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He, Bin Feng. "Simulation and Optimization of Steel Casting by Sand Casting." Advanced Materials Research 706-708 (June 2013): 258–61. http://dx.doi.org/10.4028/www.scientific.net/amr.706-708.258.

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Casting defects will always occurred in the cast-steel castings. In order to eliminate the shrinkages more and more risers had been used which increased the final cost sharply. The traditional method was used to the designing process; besides that, the foundry simulation software was introduced to prove the rationality of the technique. The software helps to predict the proper position of the shrinkages. The cooling system was optimized after the analyzed and the final simulation results show the rationality of foundry technique.

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Saleem, M., and M. Makhlouf. "Helium-Assisted Sand Casting." International Journal of Metalcasting 6, no. 4 (2012): 43–59. http://dx.doi.org/10.1007/bf03355538.

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Sertucha, Jon, and Jacques Lacaze. "Casting Defects in Sand-Mold Cast Irons—An Illustrated Review with Emphasis on Spheroidal Graphite Cast Irons." Metals 12, no. 3 (2022): 504. http://dx.doi.org/10.3390/met12030504.

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Cast irons are known to be easy to shape by sand casting due to their high eutectic fraction. Despite this fact, together with cost benefits, obtaining good quality castings is not an easy task, although it depends on the level of defects allowed in each case. Casting defects are here reviewed and classified into three classes according to their known main origin: (1) related to the sand mixtures used to make the molds; (2) associated with the mold design and the geometry of the castings; (3) related to the casting alloy itself. The present work is an illustrated description of these defects,

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Haque, Mohammad M., and Ahmad Faris Ismail. "Effect of Cooling Rate on Strength and Fracture Surfaces of Alpha Brass Casting." Advanced Materials Research 33-37 (March 2008): 7–12. http://dx.doi.org/10.4028/www.scientific.net/amr.33-37.7.

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Green sand casting and chill mould casting methods are representing the slow and fast cooling rates of the brass casting, respectively. The compositions of the raw material for this study were about Cu70 and Zn30, which falls under alpha (α) brass. Slow cooling rate casting shows coarse dendritric structures with large spacing between the dendrites. On the other hand, faster cooling rate casting shows finer grains with shorter dendrite spacing. The developed structure during solidification influences the properties of the cast samples. As grain size decreases, the strength of the cast brass in

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WAKHI ANUAR, NUR FARAH BAZILAH BINTI, M.L. Mohd Khusairi, R.M. Saad, S.A. Hassan, Z. Marjom, and A.H. Abdul Rasib. "Green strength properties of waterjet abrasive waste as potential composition in green mould by Taguchi and ANOVA approach." Journal of Mechanical Engineering and Sciences 15, no. 4 (2021): 8529–39. http://dx.doi.org/10.15282/jmes.15.4.2021.06.0672.

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The sand casting process still continues today due to the cost-effectiveness of materials and processes. There is a wide variety of castings related to composition and size, but silica sand is widely available from coastal line mining and has a negative impact on the environment. Moreover, waste from waterjet cutting of non-ferrous and ferrous metals is practically unhazardous and may potentially be used in sand casting mould. The aim of this paper is to optimize the proportion of coal dust, water and bentonite added to the silica sand mixture and the waterjet cutting abrasive waste as a new w

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