Results 1 to 10 of about 2,307 (213)

Investigation of carbon contamination in lost foam castings of low carbon steel [PDF]

open access: yesChina Foundry, 2018
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
doaj   +1 more source

High Temperature Thermal Properties of Bentonite Foundry Sand

open access: yesArchives of Foundry Engineering, 2015
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
doaj   +1 more source

Thermal Properties of Foundry Mould Made of Used Green Sand

open access: yesArchives of Foundry Engineering, 2016
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.
doaj   +1 more source

State of Spent Molding Sands in the Mold Large-Size Cast

open access: yesArchives of Foundry Engineering, 2016
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.
doaj   +1 more source

Quality assessment of a new in-mould slurry deposition method for triaxial specimen reconstitution of clean and silty sands [PDF]

open access: yesE3S Web of Conferences, 2019
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
doaj   +1 more source

Characterization of the Parameters of Sand Moulds in Compaction Process by Use of the Industrial Computer Tomography (ICT)

open access: yesArchives of Metallurgy and Materials, 2014
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.
doaj   +1 more source

Determination of thermal conductivity in foundry mould mixtures [PDF]

open access: yesMetalurgija, 2010
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  

Analysis of Spent Moulding Sands with Binders of Various Thermal Degradations, in an Aspect of a Possibility of a Directional Mould Degassing

open access: yesArchives of Foundry Engineering, 2016
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.
doaj   +1 more source

Performance analysis of cow dung as an eco-friendly additive material for sustainable moulding and casting

open access: yesChina Foundry, 2019
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
doaj   +1 more source

Comparison of the Emission of Aromatic Hydrocarbons from Moulding Sands with Furfural Resin with the Low Content of Furfuryl Alcohol and Different Activators

open access: yesArchives of Foundry Engineering, 2016
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
doaj   +1 more source

Home - About - Disclaimer - Privacy