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Journal articles on the topic 'Green Moulding Sand'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Adedayo, A. V., O. A. Oyetoyan, S. A. Ibitoye, and A. A. Adeleke. "Effects of snail shell and iron filings on properties of green moulding sand." South Pacific Journal of Natural and Applied Sciences 28, no. 1 (2010): 58. http://dx.doi.org/10.1071/sp10006.

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This paper presents the report of a research on the adaptation of green moulding sand. This was done by addition of iron filings and snail shell to standard silica sand. The objective is to evaluate the compatibility of iron filings and snail shell with green moulding sand in order to know their usability with green moulding sand. Twenty-five sand samples were prepared with different Fe and snail shell contents ranging from 1 wt% to 5 wt%. A control sand sample which had no iron and snail shell content was also prepared. The properties of the sand samples were tested. The results show that add

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2

Ayoola, W.A., A. Oyetunji, S. O. Adeosun, O. I. Sekunowo4, and M. O. Bodude. "Investigation of Foundry Properties of Oshogbo and Saki Silica Sand Deposits." DIU Journal of Science & Technology 8, no. 2 (2024): 11–17. https://doi.org/10.5281/zenodo.13761628.

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The quality of moulding sand used in foundry usually exerts significant influence on cast properties. It is therefore imperative that the moulding characteristics of a green sand deposit are established prior to its application. This work compares the foundry properties of moulding sand from River Osun and Saki with a view to determining their suitability for casting household utensils. In addition, it also investigated the effect of termite hill activities on moulding sand. Samples of the sands were obtained from different locations within the deposits in Oshogbo and Saki respectively. AFS si

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3

Bast, J. "A New Method for the Measurement of Flowability of Green Moulding Sand." Archives of Metallurgy and Materials 58, no. 3 (2013): 945–52. http://dx.doi.org/10.2478/amm-2013-0107.

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Abstract The production of castings by green sand moulds is a very important method for the manufacture of final products for different sectors of industry. In this green sand moulding process the quality of castings depends strongly on the quality of the mould, which in turn is determined by parameters such as the type of foundry machine, the characteristics of the moulding sand and the specifications of the patterns. The mould’s stability for use casting is achieved by filling and compacting moulding sand. This means, that the clay-bonded moulding sand is changed from the free flowing to the

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4

Jakubski, J., P. Malinowski, St M. Dobosz, and G. Major-Gabrýs. "Ann Modelling for the Analysis of the Green Moulding Sands Properties." Archives of Metallurgy and Materials 58, no. 3 (2013): 961–63. http://dx.doi.org/10.2478/amm-2013-0110.

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Abstract Application of modern technological solutions, as well as the economic and ecological solutions, is for foundries one of the main aspects of the competitiveness on the market for castings. IT solutions can significantly support technological processes. This article presents neural networks with different structures that have been used to determine the moisture content of the moulding sand based on the moulding sand selected properties research results. Neural networks were built using Matlab software. Moulding sand properties chosen for quality control processes were selected based on

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5

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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Mrzygłód, Barbara, Jarosław Jakubski, Andrzej Opaliński, and Krzysztof Regulski. "Artificial Neural Networks as a Tool for Supporting a Moulding Sand Control System Based on the Dependency between Selected Moulding Sand Properties." Journal of Casting & Materials Engineering 7, no. 2 (2023): 15–21. http://dx.doi.org/10.7494/jcme.2023.7.2.15.

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The article presents the potential for using artificial neural networks to support decisions related to the rebonding of green moulding sand. The basic properties of the moulding sand tested in foundries are discussed, especially compactibility as it gives the most information about the quality of green moulding sand. First, the data that can predict the compactibility value without the need for testing are defined. Next, a method for constructing an artificial neural network is presented and the network model which produced the best results is analysed. Additionally, two applications were des

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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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Sandeep, M. J., Patel G. C. Manjunath, Ganesh R. Chate, Mahesh B. Parappagoudar, and Umesh M. Daivagna. "Multi Response Optimization of Green Sand Moulding Parameters Using Taguchi-DEAR Method." Applied Mechanics and Materials 895 (November 2019): 1–7. http://dx.doi.org/10.4028/www.scientific.net/amm.895.1.

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Green sand casting is treated as the most versatile casting process due to their excellent design flexibility that offer complex shapes and ability to reclaim silica sand. The modern foundries are looking for alternate moulding materials to partially replace the high cost silica sand. Cow dung is a naturally available eco-friendly binding as well as additive material and is used to partially replace the silica sand. Improper choice of the combination of moulding sand variables, such as degree of ramming, percentage of cow dung, percentage of clay, and percent of water will affect the moulding

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Sahoo, Prafulla Kumar, Sarojrani Pattnaik, and Mihir Kumar Sutar. "Investigation on the Influence of Different Additives on Properties of Green Sand Mould." Materials Science Forum 978 (February 2020): 29–33. http://dx.doi.org/10.4028/www.scientific.net/msf.978.29.

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Green sand mixtures which are used for moulding purposes in foundry industries should possess sufficient green compression strength, flowability, toughness and air-permeability. Usually, the aforementioned properties for a particular casting differ due to variation in composition of the moulding sand mixtures, sand grain shape and size, bonding capacity of the binder, type and quantity of additives used, etc. The present work focuses on the effect of various additives namely, camphor powder, coconut shell ash, mixture of camphor powder and coconut shell ash at diverse proportions on permeabili

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10

Prasad, Raikar, and P. P. Revankar. "Biosynthesis of Silver Nanoparticles on Biomedical Moulding Sand Properties for Casting Applications." American Journal of Agricultural Science, Engineering, and Technology 6, no. 3 (2022): 57–61. http://dx.doi.org/10.54536/ajaset.v6i3.756.

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Present work explains green nanotechnology technique in solid waste management. Solid wastes are generated from domestic, industrial, agricultural, commercial, health care and individual activities etc. Because of rising population, urbanisation, construction activities, and improper medical waste management, there is an increase in biomedical waste, which contributes to widespread landscape littering. Due to its inability to biodegrade, waste disposal has consequently become a significant issue on a global scale. Research is being carried out to develop ways for environment friendly disposal

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Raikar, Prasad, and P.P Revankar. "Biosynthesis of Silver Nanoparticles on Biomedical Moulding Sand Properties for Casting Applications." American Journal of Agricultural Science, Engineering, and Technology 6, no. 3 (2022): 57–61. https://doi.org/10.54536/ajaset.v6i3.756.

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Present work explains green nanotechnology technique in solid waste management. Solid wastes are generated from domestic, industrial, agricultural, commercial, health care and individual activities etc. Because of rising population, urbanisation, construction activities, and improper medical waste management, there is an increase in biomedical waste, which contributes to widespread landscape littering. Due to its inability to biodegrade, waste disposal has consequently become a significant issue on a global scale. Research is being carried out to develop ways for environment friendly disposal

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12

Holtzer, Mariusz, Rafał Dańko, Sylwester Piasny, et al. "Research on the Release of Dangerous Compounds from the BTEX and PAHs Groups in Industrial Casting Conditions." Materials 14, no. 10 (2021): 2581. http://dx.doi.org/10.3390/ma14102581.

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The assessment of the harmfulness of moulding and core sands is mainly based on investigations of compositions of gases emitted by liquid casting alloys during the mould pouring. The results of investigations of moulding sands obtained under industrial conditions are presented in this paper. A unique research stand was designed and built for this aim. It allowed us to determine emissions of gases at individual stages of casting a mass up to 50 kg. This approach enables simulation of foundry conditions. Moulding sands bound by organic binders (phenol-formaldehyde; furan), inorganic binders and

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13

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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14

Abdulamer, D. "Investigation of flowability of the green sand mould by remote control of portable flowability sensor." Archives of Materials Science and Engineering 112, no. 2 (2021): 70–76. http://dx.doi.org/10.5604/01.3001.0015.6289.

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Purpose: The useful data and information during the sand compaction process steps should be collected. Direct measurement methods of the sand mould properties during the actual moulding process are not adopted yet. Design/methodology/approach: In this work, a remote control system [1] have been integrated into a new flowability sensor [2]. Findings: To overcome the complexity of the tools and equipment that existed in laboratory, and in foundry. Research limitations/implications: In order to investigate, and control behavior of the moulding process of bentonite-bonded green sand process, the s

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15

Eze, E. O., and L. E. Ileli. "Use of "Shikoko” Clay for Synthetic Sand Moulding." Advanced Materials Research 367 (October 2011): 353–58. http://dx.doi.org/10.4028/www.scientific.net/amr.367.353.

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“Shikoko” clay and dredged river sand from Warri, Nigeria were investigated for their use in synthetic sand moulding. Shikoko is a local name for organic clay that dries appreciably to a brownish gray, leather-like consistency. The clay was initially tested for organic matter content, natural water content, particle size distribution, consistency limits and linear shrinkage. The base sand dredged river sand from the same town - was tested for specific gravity, and grain size characteristics. Tests showed that the best mix with the clay was at the binder contents of 13, 17, 33 and 50% of the dr

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16

Krajewski, P. K., and G. Piwowarski. "Range Of Thermal Conductivity Changes Of Wet Green Foundry Sand During Casting Solidification." Archives of Metallurgy and Materials 60, no. 3 (2015): 2391–95. http://dx.doi.org/10.1515/amm-2015-0390.

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AbstractThe paper presents results of measuring thermal conductivity of green sand mould material and time of castings solidification evaluated from cooling curves. During the experiments pure Cu (99,8 %) plate was cast into the examined sand moulds. Basing on the measurements it was stated that thermal conductivity of the moulding sand has complex temperature variability, especially during the water vaporization. It was confirmed that water vaporization strongly influences thermal conductivity of the moulding sand in the first period of the mould heating by the poured casting. The obtained de

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17

Bobrowski, A., B. Grabowska, S. Żymankowska-Kumon, and Ż. Kurleto-Kozioł. "Physico-Chemical and Environmental Characterisation of the Dust from Dry Dedusting of the Green Sand." Archives of Foundry Engineering 16, no. 4 (2016): 33–36. http://dx.doi.org/10.1515/afe-2016-0079.

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Abstract The article presents research results of physico-chemical and environmental issues for the dust generated during dedusting of the installation for the processing and preparation of moulding sand with bentonite. Particular attention was paid to the content of heavy metals and emission of gases from the BTEX group, which is one of the determinants of the moulding sands harmfulness for the environment. The analysis of heavy metals in the test samples indicate that there is an increase of the content of all metals in the dust compared to the initial mixture of bentonite. The most signific

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18

Sani, A. Salihu, Buhari Aliyu, and Muhammad M. "Investigation of Local Synthetics Sand Mixture used for the Development of Foundry Industry in Nigeria (Case Study – Kebbi State)." Journal of Scientific and Engineering Research 11, no. 1 (2024): 57–66. https://doi.org/10.5281/zenodo.10620610.

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<strong>Abstract </strong>This research investigated the suitability of using local source to develop synthetic moulding sand in Nigeria for foundry usage. Lab sand tests were carried out on American Foundrymen’s Society (AFS) standard test samples that was prepared with a Ridsdale lab sand rammer, to determine their moulding properties in both green and dry conditions. From the results of chemical analysis of the Dukku sand and Romo clay samples showed that the sand is of high silica content (89.20%) while the clay is rich in both silica and alumina contents (59.5% silica and 34.35% cla

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19

Mozammil, Shaik, Jimmy Karloopia, and Pradeep Kumar Jha. "Studies on Porosity of Al-4.5%Cu-2.5pTiB₂ In Situ Composites." Materials Science Forum 928 (August 2018): 51–55. http://dx.doi.org/10.4028/www.scientific.net/msf.928.51.

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In the present paper, experimental investigation as well as computer assisted casting simulation technique is used to analyse the effect of different parameters like properties of sand and molding methods to predict defects in green sand casting. An attempt has been made to obtain the optimal settings of the moulding sand and mould related process parameters for the casting of Al-4.5%Cu-2.5TiB2 composites. The green sand related process parameters considered in the study are moisture content, green compressive strength, permeability of moulding sand and mould hardness. In the fabrication of co

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20

Jakubski, J., St M. Dobosz, and K. Major-Gabryś. "Influence of the Training Set Value on the Quality of the Neural Network to Identify Selected Moulding Sand Properties." Archives of Foundry Engineering 13, no. 2 (2013): 49–52. http://dx.doi.org/10.2478/afe-2013-0035.

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Abstract Artificial neural networks are one of the modern methods of the production optimisation. An attempt to apply neural networks for controlling the quality of bentonite moulding sands is presented in this paper. This is the assessment method of sands suitability by means of detecting correlations between their individual parameters. This paper presents the next part of the study on usefulness of artificial neural networks to support rebonding of green moulding sand, using chosen properties of moulding sands, which can be determined fast. The effect of changes in the training set quantity

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21

Dungan, Robert S., and James B. Reeves. "Near Infrared Spectroscopic Analysis of Foundry Moulding and Core Sands." Journal of Near Infrared Spectroscopy 15, no. 3 (2007): 189–94. http://dx.doi.org/10.1255/jnirs.729.

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Sands coated, mixed and polymerised with a wide variety of materials are used to make moulds and cores for the casting of metals. Heating results in the production of a wide variety of organic materials by pyrolysis. These resulting compounds may need to be characterised before waste sands can be beneficially used in the environment. The objective of this work was to examine the potential of near infrared (NIR) spectroscopy to qualitatively identify organic residues in waste green sands (clay-bonded moulding sand). Examination of spectra of waste green sands, burnt and unburnt cores and compon

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Kabasele, Jonathan, and Didier Nyembwe. "ASSESSMENT OF LOCAL CHROMITE SAND AS ‘GREEN’ REFRACTORY RAW MATERIALS FOR SAND CASTING APPLICATIONS IN A POST-PANDEMIC WORLD." South African Journal of Industrial Engineering 32, no. 2 (2021): 65–74. http://dx.doi.org/10.7166/32-3-2615.

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In a post-pandemic world, health and environmental safety will become a more important issue than it was before the COVID-19 pandemic. Several fields of engineering, including the foundry industry, have already adopted health and safety measures in the workplace. The risk of pulmonary disease caused by the inhalation of fine particles of silica sand, the main moulding material used in the foundry industry, is rampant in that industry. In terms of environmental protection, the new regulatory restrictions on the disposal of used sand create the need for moulding aggregates to be more recyclable

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محمد, خضير جاسم. "EFFECT OF USING IRON SLAG ON FOUNDRY- MOLDING MIXTURE PROPERTIES." Journal of Engineering 16, no. 02 (2010): 871–84. http://dx.doi.org/10.31026/j.eng.2010.02.02.

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This work deals with slags produced from melting processes of cast iron and steel .as an industrial solid by product with investiga effect environment in general .Huge quantities of slag are produced from foundries and steel work complexes , as (10-30)% of iron alloys produced .In order to use those quantities at the same foundries , this work investigates the using of slag in sand moulding mixtures 10,20,30 and 40 % of milled slag to the same size of silica sand , instead of silica , and prepared standard speciemens to test grean compression strength and gas permeability in green and dry case

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Abdullah, A., Shamsuddin Sulaiman, B. T. Hang Tuah Baharudin, Mohd Khairol A. Arifin, and T. R. Vijayaram. "The Effect of Bentonite Clay on Green Compression Strength for Tailing Sands from Old Tin Mines in Perak State, Malaysia for Making Green Sand Casting Mould." Key Engineering Materials 471-472 (February 2011): 769–74. http://dx.doi.org/10.4028/www.scientific.net/kem.471-472.769.

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Clay has an important role in making green sand casting mould beside water. Clay acts as binders, holding the sand grains together. Water is needed to activate the clay bond. Without the addition of water on clay, no strength would be achieved on sand mould, as the sand and clay would be just two dry materials. Bentonite clay was used in this study. Adequate clay content with suitable moisture in moulding sand is important for optimum strength and casting quality. Too little or too much clay will not give proper strength. Green compression strength is one of the mechanical properties to be con

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Krajewski, P. K., G. Piwowarski, and J. Buraś. "Thermal Properties of Foundry Mould Made of Used Green Sand." Archives of Foundry Engineering 16, no. 1 (2016): 29–32. http://dx.doi.org/10.1515/afe-2015-0098.

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Abstract The paper presents results of measuring heat diffusivity and thermal conductivity coefficients of used green foundry sand in temperature range ambient − 600 °C. During the experiments a technical purity Cu plate was cast into the green-sand moulds. Basing on measurements of the mould temperature field during the solidification of the casting, the temperature relationships of the measured properties were evaluated. It was confirmed that the obtained relationships are complex and that water vaporization strongly influences thermal conductivity of the moulding sand in the first period of

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Keerthana, J. "Experimental Investigation of the Influence of Sand and Binder Composition on the Mold Properties of Alkyd Type No-Bake Chemically Bonded Sand-Casting System." Asian Review of Mechanical Engineering 11, no. 1 (2022): 1–9. http://dx.doi.org/10.51983/arme-2022.11.1.3244.

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In comparison to green sand moulds, chemically bonded resin sand moulds have better dimensional accuracy, surface quality, and sand mould qualities. To survive sand drops when pouring molten metal, the mould cavity formed using a chemically bonded sand mould technique must have appropriate permeability, strength, and hardness. The desire for better permeability, strength, and mould hardness is based on a thorough investigation and analysis of the affecting parameters, such as resin percentage, hardener, and catalyst. The influence of binder content on the moulding qualities of silica sand boun

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Krajewski, P. K., J. S. Suchy, G. Piwowarski, and W. K. Krajewski. "High Temperature Thermal Properties of Bentonite Foundry Sand." Archives of Foundry Engineering 15, no. 2 (2015): 47–50. http://dx.doi.org/10.1515/afe-2015-0036.

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Abstract The paper presents results of measuring thermal conductivity and heat capacity of bentonite foundry sand in temperature range ambient - 900°C. During the experiments a technical purity Cu plate was cast into the green-sand moulds. Basing on measurements of the mould temperature field during the solidification of the casting, the temperature relationships of the measured properties were evaluated. It was confirmed that water vaporization strongly influences thermal conductivity of the moulding sand in the first period of the mould heating by the poured casting.

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Pawan, Prakash, and Shrivastava Bhasker. "Behaviour of Lustrous Carbon Additives in Green Sand Casting." International Journal of Trend in Scientific Research and Development 4, no. 1 (2019): 1095–99. https://doi.org/10.5281/zenodo.3609994.

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The advent of High Volume, High Density and High Pressure Moulding Lines has changed the logistics of Molding Techniques and selection of additives significantly. Having 4 main ingredients, Base Sand, Bentonite, Lustrous Carbon Additives and Water, the properties of the Sand Mold resulting from this simple mixture to deliver target casting quality is complexly variable. Sand Control is an Art' as any foundry man will willingly emphasize. It is well accepted that no two foundry sand systems are the same. Even a single foundry Unit or foundry group having two or more molding lines, along wi

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Anand, Deshpande, Gharge Aishwarya, Deshpande Pratik, Patil Pratik, Vaidya Tejashree, and Chate Ganesh. "Study of mould hardness for alpha set type resin bonded moulding sand system using Taguchi approach for metal casting applications." MATEC Web of Conferences 144 (2018): 03007. http://dx.doi.org/10.1051/matecconf/201814403007.

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The quality of the castings are depended on many properties of sand mould like mould hardness, green compression strength, shear strength etc. and these properties in turn dependent on factors such as grain fineness number of sand, setting/curing time, amount of resin, amount of hardener, moisture content etc. Mould hardness is very important while transferring mould from moulding station to pouring station when the weight of the mould is above 100kg and may lead to defects. In the present work, an effort is made to study the mould hardness of a moulding sand specimen using Taguchi technique.L

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Oke, A. O., and B. V. Omidiji. "Investigation of Some Moulding Properties of a Nigerian Clay-Bonded Sand." Archives of Foundry Engineering 16, no. 3 (2016): 71–76. http://dx.doi.org/10.1515/afe-2016-0053.

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Abstract Moulding properties of Isasa River Sand bonded with Ipetumodu clay (Ife-North Local Government Area, Osun State, Nigeria) were investigated. American Foundry men Society (AFS) standard cylindrical specimens 50mm diameter and 50mm in height were prepared from various sand and clay ratios (between 18% and 32%) with 15% water content. The stress-strain curves were generated from a universal strength testing machine. A flow factor was calculated from the inclination of the falling slope beyond the maximum compressive strength. The result shows that the flowability of the samples increases

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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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Bolshakov, L. A., L. O. Dan, and L. O. Trofimova. "The study of the properties of moulding sands containing lignosulfonates and polyethylenepolyamine." Reporter of the Priazovskyi State Technical University. Section: Technical sciences, no. 42 (May 27, 2021): 87–91. https://doi.org/10.31498/2225-6733.42.2021.240588.

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The experience of foundry shows that the quality of castings, manufactured in sand moulds, directly depends on the properties of moulding and core sands. These properties depend on the type and characteristics of the binding materials. None of the existing sands compositions provide an ideal combination of properties. Therefore, you have to look for all new alternatives. Technical ligosulfonates have been used for a long time as an inexpensive binder. Based on literary data, the conclusion has been made that lignosulfonates have not found wide use as an independent binder in moulding sands due

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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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Oyetunji, Akinlabi, and Ameya Lucky Ediale. "EFFECTS OF SECTION SIZE ON THE MECHANICAL PROPERTIES AND MICROSTRUCTURE OF GREY CAST IRON." Journal of Metallurgy and Materials Engineering 8, no. 1 (2024): 13–19. http://dx.doi.org/10.62934/jmme.8.1.2013.13-19.

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The same chemical compositions all through were used to produce grey cast iron samples of various sizes (15 mm, 20 mm, 25 mm, 30 mm, and 35 mm). The charges (ferrosilicon, graphite and cast iron scraps) were heated in a rotary furnace at 1450 oC to produce melt and tapped into a preheated clay ladle at 1270 oC. Green moulding sand was used to produce the moulds. It was a plastic mixture of silica sand, clay (bentonite), additive (coal dust) with water. Hard wooden patterns machined with woodworking lathe machine into cylindrical shapes, 200 mm long and of different diameters were used for maki

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Hovad, E., P. Larsen, J. H. Walther, J. Thorborg, and J. H. Hattel. "Flow Dynamics of green sand in the DISAMATIC moulding process using Discrete element method (DEM)." IOP Conference Series: Materials Science and Engineering 84 (June 11, 2015): 012023. http://dx.doi.org/10.1088/1757-899x/84/1/012023.

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Singh, Rupinder, and Manjinder Singh. "Surface roughness improvement of cast components in vacuum moulding by intermediate barrel finishing of fused deposition modelling patterns." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 231, no. 2 (2016): 309–16. http://dx.doi.org/10.1177/0954408915595576.

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In this work, investigations have been made for surface roughness (Ra) improvement of vacuum moulding (VM) components by introducing barrel finishing (BF) on fused deposition modelling patterns at preliminary stage (i.e. before being used as master patterns). The Ra improvement will help to avoid/reduce post machining/finishing operations for green manufacturing. The VM master patterns were prepared using P-430 grade acrylonitrile butadiene styrene material on commercial fused deposition modelling setup. Further, Ra of VM master pattern prepared was improved by using BF process (as intermediat

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Bast, J., A. Kadauw, and A. Malaschkin. "Optimising of Moulding Parameters for Green Sand Compaction by Computer Simulation and a New Compaction Measuring Device." International Journal of Metalcasting 3, no. 2 (2009): 55–65. http://dx.doi.org/10.1007/bf03355448.

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Babu, N. Nagur, R. K. Ohdar, and P. T. Pushp. "Evaluation of green compressive strength of clay bonded moulding sand mix: neural network and neuro-fuzzy based approaches." International Journal of Cast Metals Research 19, no. 2 (2006): 110–15. http://dx.doi.org/10.1179/136404606225023354.

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Siddharth, V. S., D. Srinivasa Rao, and B. V. Ramana Murthy. "Investigations on the suitability of banana peel powder as an alternative additive in synthetic green sand moulding system." International Journal of Cast Metals Research 33, no. 4-5 (2020): 171–76. http://dx.doi.org/10.1080/13640461.2020.1796294.

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Witasiak, Dawid, Aldona Garbacz-Klempka, Marcin Papaj, et al. "Effect of Alloying Additives and Moulding Technology on Microstructure, Tightness, and Mechanical Properties of CuSn10 Bronze." Materials 16, no. 24 (2023): 7593. http://dx.doi.org/10.3390/ma16247593.

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Thise research was conducted to determine the impact of the applied casting technology, mould and alloying additives on the tightness of the CuSn10 cast alloy. Under industrial conditions, a series of experimental melts were made that were characterised by varying the concentrations of the main alloying element (Sn) and the introduced alloying additives (Si, Zn, Zr). The mould was made from green sand and used the CO2 moulding process. To assess the influence of the alloying additives, a metallographic analysis of the studied alloy was carried out, and the alloy’s microstructure was examined u

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Dobosz, St M., K. Major-Gabryś, and A. Grabarczyk. "New Materials in the Production of Moulding and Core Sands." Archives of Foundry Engineering 15, no. 4 (2015): 25–28. http://dx.doi.org/10.1515/afe-2015-0073.

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Abstract The article shows the influence of environment requirements on changes in different foundry moulding sands technologies such as cold box, self-hardening moulding sands and green sands. The aim of the article is to show the possibility of using the biodegradable materials as binders (or parts of binders’ compositions) for foundry moulding and core sands. The authors concentrated on the possibility of preparing new binders consisting of typical synthetic resins - commonly used in foundry practice - and biodegradable materials. According to own research it is presumed that using biodegra

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Singh, Rupinder. "Comparison of Hybrid Rapid Mouldings for Zinc Alloy Castings." Applied Mechanics and Materials 110-116 (October 2011): 653–59. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.653.

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In this work comparison of hybrid rapid moulds (prepared with three dimensional printing shells supported with dry, green and molasses sand) have been made for techno-economic analysis, for zinc (Zn) alloy shell casting. The comparison has been made on the basis of mechanical properties and dimensional accuracy. Time-temperature curves have been drawn to understand solidification of molten Zn alloy in hybrid moulds of different thicknesses. The results of study suggest that it is feasible to reduce shell wall thickness of hybrid mould cavity from recommended 12mm to 1mm. All castings prepared

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Zanetti, Maria Chiara, and Silvia Fiore. "Foundry processes: the recovery of green moulding sands for core operations." Resources, Conservation and Recycling 38, no. 3 (2003): 243–54. http://dx.doi.org/10.1016/s0921-3449(02)00154-4.

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Rusia, Saket. "Paddyware as Solution for Consumptive Use of Crop Residue (Parali)." International Journal of Engineering Research in Mechanical and Civil Engineering (IJERMCE) 9, no. 7 (2022): 7–11. http://dx.doi.org/10.36647/ijermce/09.07.a002.

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After the Green Revolution Northern Indian states engaged themselves with wheat and rice production as a result India became the largest agriculturally based economy. However due to lack of a proper way to dispose the Residue material left after harvesting (paddy/Wheat straw etc.) farmers started burning the stubble which ended up contributing to at least 10% of yearly pollution in Delhi and Northern Indian thus making it one of the most polluted cities in the world. To counter this issue, we came up with a solution of Paddyware which not only offers an effective solution for disposal but also

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Setyowati, Erni, Gagoek Hardiman, and Purwanto. "The Acoustical Properties of the Polyurethane Concrete Made of Oyster Shell Waste Comparing Other Concretes as Architectural Design Components." E3S Web of Conferences 31 (2018): 05001. http://dx.doi.org/10.1051/e3sconf/20183105001.

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This research aims to determine the acoustical properties of concrete material made of polyurethane and oyster shell waste as both fine aggregate and coarse aggregate comparing to other concrete mortar. Architecture needs aesthetics materials, so the innovation in architectural material should be driven through the efforts of research on materials for building designs. The DOE methods was used by mixing cement, oyster shell, sands, and polyurethane by composition of 160 ml:40 ml:100 ml: 120 ml respectively. Refer to the results of previous research, then cement consumption is reduced up to 20%

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Abdulamer, Dheya, Ali A. Muhsan, and Sinan S. Hamdi. "Utilizing Taguchi method and Regression Analysis for Optimizing Sand Mould Flowability." Archives of Foundry Engineering, July 18, 2024. http://dx.doi.org/10.24425/afe.2024.151284.

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Parameters of the moulding process in foundry are usually determined by trial-and-error method, and this way contributes to time taken and adds further cost for production sand. The present work represents an attempt to optimize sand moulding parameters in terms of compactability, compaction time, and air pressure, and to study effect of these factors on the green sand flowability using L4 design of experiments. Regression model, Taguchi method, and experimental verification were used to investigate flow property of sodium bentonite- bonded BP-quartz sand for sand moulding. Analysis of varianc

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Abdulamer, Dheya, Abdulkader Kadauw, and Jürgen Bast. "Utilising Flowability Sensor for Green Sand Mould Characterisation." Ziggurat Journal of Materials Technology (ZJMT) 1, no. 1 (2020). http://dx.doi.org/10.36533/zjmt.v1i1.30.

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In this work, an attempt has been made to improve the sand casting process by reducing the percentage of casting defects. The enhancement of the sand casting process is based on producing green sand castings with good pattern profiles and no failures at any complex ‎points during the separation process, handling and transportation. This work ‎introduces modified, non-destructive, direct tests for measuring sand mould ‎properties using sensor readings. ‎A new flowability sensor has been used to measure the time-dependent density, ‎distance-dependent mould hardness, and distance-dependent mould

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Kamińska, Jadwiga, Mateusz Stachowicz, Sabina Puzio, and Michał Angrecki. "Studies of mechanical and technological parameters and evaluation of the role of lustrous carbon carriers in green moulding sands with hybrid bentonite." Archives of Civil and Mechanical Engineering 23, no. 1 (2022). http://dx.doi.org/10.1007/s43452-022-00550-1.

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AbstractGreen moulding sands containing special carbonaceous additives, which are the source of lustrous carbon (LC), are discussed in this paper. Five potential lustrous carbon carriers, i.e., two types of hard coal dust (No.1 and No.2), amorphous graphite (No.3) and two hydrocarbon resins (No.4 and No.5), were selected for tests as carbonaceous additives to conventional moulding sands. To better emphasize the differences in the additives used, reference green moulding sand (GMS1) was prepared and subjected to a wide range of basic tests focussed on technological parameters, such as permeabil

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Modi, Arpit H., and Shailee G. Acharya. "Effect of Input Parameters on The Mechanical Properties of Green Sand Mould." Archives of Foundry Engineering, March 17, 2025. https://doi.org/10.24425/afe.2025.153782.

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Among all the methods of metal forming, green sand moulding is the most commonly used method due to its low cost and high speed of work. Main constituents of green sand mould are sand, water, coal dust and binder. Mechanical properties like permeability, green compressive strength, mould hardness, compactibility and moisture content of green sand directly affects the quality of castings produced. This research is done to investigate the effect of input parameters (bentonite, garcolap powder, water) on the mechanical properties of green sand mould. Three levels of each input parameter were cons

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"Effective Utilization of Industrial and Constructional Solid Waste Materials in Foundry Mould Making to Prevent Environment Pollution and Conserve Natural Silica Sand." Global NEST: the international Journal, August 13, 2023. http://dx.doi.org/10.30955/gnj.005045.

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<p>Green sand moulding uses silica sand for metal casting. Silica sand mining and delivery to foundries destroy the ecosystem, making metal casting unsustainable. Due to increased sand-casting output and massive civil buildings in India, the silica sand supply is declining. The depletion and shortage of silica sand necessitate the search for viable replacements. Industrial solid waste from large-scale industrialization pollutes land, air, and water. In order to use industrial waste in large amounts, an attempt is made to use it as a replacement for natural resources. The main objective o

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