Results 1 to 10 of about 2,307 (213)
Investigation of carbon contamination in lost foam castings of low carbon steel [PDF]
Lost foam casting (LFC) process is a special casting method in which polymeric foam patterns with refractory coatings are utilized as a mould component. In this work, four types of foam: expandable polyethylene (EPE), expandable polypropylene (EPP) and
Oznur Kilic +2 more
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High Temperature Thermal Properties of Bentonite Foundry Sand
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.
Krajewski P.K. +3 more
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Thermal Properties of Foundry Mould Made of Used Green Sand
The paper presents results of measuring heat diffusivity and thermal conductivity coefficients of used green foundry sand in temperature range ambient − 600 °C.
Krajewski P.K., Piwowarski G., Buraś J.
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State of Spent Molding Sands in the Mold Large-Size Cast
The results of investigations of spent moulding sands taken from the mould at various distances from the surface of the produced casting, are presented in the paper.
Łucarz M.
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Quality assessment of a new in-mould slurry deposition method for triaxial specimen reconstitution of clean and silty sands [PDF]
An innovative specimen reconstitution technique for sandy and silty soils that simulates underwater deposition is presented and evaluated. The technique is an upgraded version for triaxial testing of the well-established slurry deposition method.
Dominguez-Quintans Camelia +4 more
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One main problem in moulding is the proper characterization of the local density of the mould, the best without its destroying, for assessment the quality of the mould and to compare results of compaction modeling with experimental results.
Kadauw A.
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Determination of thermal conductivity in foundry mould mixtures [PDF]
For a thorough understanding of the behaviour of foundry mould mixtures, a good knowledge of thermal properties of mould materials is needed. Laboratory determination of thermal conductivity of mould mixtures enables a better control over scabbing ...
G. Solenički, I. Budić, D. Ciglar
doaj
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
Łucarz M.
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In the present work, an attempt is made to partially replace high cost silica sand with sustainable eco-friendly cow-dung. The practical utility of cow dung as an additive material that facilitates binding in sand moulds has been tested.
Manjunath Patel G C +2 more
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No-bake process refers to the use of chemical binders to bond the moulding sand. Sand is moved to the mould fill station in preparation for filling of the mould. A mixer is used to blend the sand with the chemical binder and activator.
Żymankowska-Kumon S. +2 more
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