Mechanical Reclamation of Spent Moulding Sand on Chromite Sand Matrix; Removal of Alkali-Phenolic Binder. [PDF]
Materials (Basel), 2023 The foundry industry generates large amounts of waste when casting metal into sand moulds. An important issue is the activities that are related to the re-recovery of the grain matrix (the main component of the moulding sand) for realising subsequent technological cycles.
Łucarz M +4 more
europepmc +5 more sources
Assessment of South African Chromite Sand for Binder Jetting Application [PDF]
MATEC Web of Conferences, 2022 Binder Jetting is an Additive manufacturing (AM) technique in which binding liquid is jetted on layers of powdered materials, selectively according to the Computer Aided Design (CAD) model to form a 3D part.
Chauke Julieth Langutani +2 more
doaj +2 more sources
Determination of Chromite Sands Suitability for Use in Moulding Sands [PDF]
Archives of Foundry Engineering, 2017 Using the available analytical methods, including the determination of chemical composition using wavelength-dispersive X-ray fluorescent spectroscopy technique and phase composition determined using X-ray diffraction, microstructural observations in a ...
Stec K. +3 more
doaj +2 more sources
Effective Laboratory Method of Chromite Content Estimation in Reclaimed Sands [PDF]
Archives of Foundry Engineering, 2016 The paper presents an original method of measuring the actual chromite content in the circulating moulding sand of foundry. This type of material is applied for production of moulds. This is the case of foundry which most frequently perform heavy casting
Ignaszak Z., Prunier J-B.
doaj +2 more sources
Effect of Temperature on Chromite-Based Moulding Sands Bonded with Sodium Silicate [PDF]
Archives of Foundry Engineering, 2017 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
doaj +4 more sources
Influence of sand base preparation on properties of chromite moulding sands with sodium silicate hardened with selected methods [PDF]
Archives of Metallurgy and Materials, 2017 The paper presents a research on the relation between thermal preparation of chromite sand base of moulding sands containing sodium silicate, hardened with selected physical and chemical methods, and structure of the created bonding bridges.
Stachowicz M., Granat K., Pałyga Ł.
doaj +2 more sources
Study to improve the breaking strength of the no-bake chromite sand-furan resin cores [PDF]
Journal of Mining and Metallurgy. Section A: Mining, 2015 This study was carried out to determine the effects of number of washings, curing time and heat treatment on the breaking strength of no-bake chromite sand-furan resin cores.
Ntwagae M. +3 more
doaj +3 more sources
Classification of Sand-Binder Mixtures from the Foundry Industry Using Electrical Impedance Spectroscopy and Support Vector Machines [PDF]
SensorsMolding sand mixtures used in the foundry industry consist of various sands (quartz sands, chromite sands, etc.) and additives such as bentonite. The optimum control of the processes involved in using the mixtures and in their regeneration after the ...
Luca Bifano +2 more
doaj +2 more sources
Quality Assessment Method for Chromite Sand to Reduce the Number of Cast Steel Surface Defects [PDF]
Archives of Foundry EngineeringThis paper discusses the ability to apply the test method using a scanning electron microscope (SEM) together with EDS (Energy Dispersive Spectroscopy) analysis to assess the quality of fresh chromite sand delivered by various suppliers to Huta Małapanew
T. Wróbel +4 more
doaj +2 more sources
Assessment of Foundry Chromite Sand Crushability under Thermal-Mechanical Loading [PDF]
Archives of Foundry Engineering, 2023 When used for sand casting, foundry sand is stressed in several ways. These stresses, thermal and mechanical, compromise the grain integrity, resulting in size reduction and the production of small particles to the point where the sand is no longer ...
J.K. Kabasele, K.D. Nyembwe, H. Polzin
doaj +1 more source