Results 21 to 30 of about 1,339 (303)
This study aimed to analyse the usage of Eggshell as mixture material of bentonite in metal casting process which used dried sand moulding. Eggshell variations in this study were 4%, 7%, 10% eggshell, and additional 3% of bentonite on each sample.
Wahyu Kurnianto +2 more
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Humidity Migration in Surface Layers of Sand Moulds During Processes of Penetration and Drying of Protective Coatings [PDF]
The results of investigations of humidity migration in near surface layers of sand mould during processes of penetration and drying of protective coatings are presented in the hereby paper.
Ł. Jamrozowicz, J. Zych
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Effect of Temperature on Chromite-Based Moulding Sands Bonded with Sodium Silicate
In the paper, a research on effects of baking temperature on chromite sand base of moulding sands bonded with sodium silicate is presented. Pure chromite sand and its chromite-based moulding sand prepared with use of sodium silicate were subjected to ...
Stachowicz M. +3 more
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Influence of the Hardener Type on the Hardening Process Kinetics of the Selected Self-setting Sands
Measurements of the hardening process of the selected self-setting sands are presented in the hereby paper. Moulding sands were prepared on the matrix of „Szczakowa” sand of the Sibelco Company.
Jamrozowicz Ł. +3 more
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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.
Łucarz M., Drożyński D.
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Casting Quality Enhancement Using New Binders on Sand Casting and High-Pressure Rheo-Die Casting
Casting quality is a perfection factor for measuring the success of the metal casting. One of efforts to obtain high-quality casting product is identifying the quality of sand moulding used.
P. Puspitasari, J. W. Dika
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This paper presents the impact of microwave penetration depth on the process of heating the moulding sand with sodium silicate. For each material it is affected by: the wavelength in vacuum and the real and imaginary components of the relative complex ...
Nowak D.
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Utilizing Taguchi method and Regression Analysis for Optimizing Sand Mould Flowability [PDF]
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.
Dheya Abdulamer +2 more
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This study objected to determine mechanical properties of sand moulding by conducting tensile test, compressive and shear test, and also permeability test.
Kritchakhris Nawettanaprasert +2 more
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Gases Emission From Surface Layers of Sand Moulds and Cores Stored Under the Humid Air Conditions
A large number of defects of castings made in sand moulds is caused by gases. There are several sources of gases: gases emitted from moulds, cores or protective coatings during pouring and casting solidification; water in moulding sands; moisture ...
Kaźnica N., Zych J., Mocek J.
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