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    Neutron Radiation Tests about FeCr Slag and Natural Zeolite Loaded Brick Samples
    (Hindawi Ltd, 2014) Cay, Vedat Veli; Sutcu, Mucahit; Gencel, Osman; Korkut, Turgay
    Neutron shielding performances of new brick samples are investigated. Brick samples including 10, 20, and 30 percentages of ferrochromium slag (FeCr waste) and natural zeolite are prepared and mechanical properties are obtained. Total macroscopic cross sections are calculated by using results of 4.5MeV neutron transmission experiments. As a result, neutron shielding capacity of brick samples increases with increasing FeCr slag and natural zeolite percentages. This information could be useful in the area of neutron shielding.
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    Properties of bricks with waste ferrochromium slag and zeolite
    (Elsevier Sci Ltd, 2013) Gencel, Osman; Sutcu, Mucahit; Erdogmus, Ertugrul; Koc, Vandettin; Cay, Vedat Veli; Gok, Mustafa Sabri
    Effect of ferrochromium slag, zeolite and combinations on physical, mechanical, thermal conductivity and microstructure properties of bricks was investigated. They were substituted to brick raw material. Semi-dry mixtures were compressed with 20 MPa. Samples were fired at rate of 5 degrees C/min until 900 degrees C for 2 h. Characterization of fired bricks, density, porosity, water absorption, weight loss, compressive and bending strength, thermal conductivity properties and microstructural and phase analysis of bricks were determined. Mechanical strengths of bricks were higher than 7 MPa. Thermal conductivity of samples decreases 42.3%. Results showed that bricks with zeolite and slag could be used as construction material. (C) 2013 Elsevier Ltd. All rights reserved.
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    Recycling of metallurgical wastes in ceramics: A sustainable approach
    (Elsevier Sci Ltd, 2022) Er, Yusuf; Sutcu, Mucahit; Gencel, Osman; Totic, Ermedin; Erdogmus, Ertugrul; Cay, Vedat Veli; Munir, Muhammad Junaid
    This pioneering study focuses on the production, testing, and comparative assessment of iron-rich metallurgical wastes, including copper slag (CS), rolling mill scale (RMS), and ferrous-metal grinding dust (FGD), incorporated fired clay bricks. For this purpose, the fired clay bricks incorporating CS, FGD, and RMS are prepared considering three different dosages of wastes (i.e., 10 %, 20 %, and 30 % of the weight of clay) and fired at two different temperatures (i.e., 900 degrees C and 1000 degrees C). Various tests were performed to examine different physical, mechanical, durability, and leaching characteristics of bricks. Results show increased porosity and loss-on-ignition of brick samples with increased CS dosage. However, decreased apparent porosity and loss-on-ignition of brick samples are observed with the increased dosages of RMS and FGD. All the brick samples incorporating metallurgical wastes satisfy the compressive strength and water absorption requirements as per ASTM C62 and other building standards. Scanning electron microscopy shows homogeneous and dense microstructures for brick samples incorporating 30 % RMS and FGD dosages. For all the brick samples fired at 1000 degrees C, amounts of heavy metals in the leachates are detected well below the Environmental Protection Agency specified limits. Based on the results, recycling of CS, RMS, and FGD in brick manufacturing is an attractive solution to avoid environmental issues related to landfilling of hazardous wastes and achieve efficient waste management.