Abstract
This paper presents laboratory research on assessment of preliminary suitability of stainless steel waste material in building ceramics production. Application of the waste material in building ceramics production is innovative and might be environmentally friendly way to utilize it and to improve/modify the properties of the ceramic products. The waste was used as an additive to kaolinite-illite and montmorilloniteillite clay type. Selected properties of ceramics materials such as water adsorption, firing shrinkage, open porosity, apparent density, frost resistance, compressive strength and leaching of chromium and iron were determined. Improvement of the mechanical properties of the fired material and its colour intensification were observed. The studies confirmed the possibility of the utilization of this kind of waste material in production of building ceramics.
Highlights
Stainless steel is an iron-chromium alloy with minimum chromium amount of 11 %, which is their key alloying element
This paper presents laboratory research on assessment of preliminary suitability of stainless steel waste material in building ceramics production
Ceramic masses for building ceramics were prepared from two type of clay sediments popular in Poland: Triassic sediment signed as “P” and Miocene sea-sediment signed as “Z”
Summary
Stainless steel is an iron-chromium alloy with minimum chromium amount of 11 %, which is their key alloying element. The chromium contained in the steel must be fully dissolved in the solid solution and must not be in the form of chromium carbides [1]. Stainless steel mechanical processing is the final stage of the manufacturing process of many steel objects. Use of the waste material in building ceramics production might be environmentally friendly way to utilize it and to improve the properties of the ceramic products. This topic has not been directly discussed in scientific literature yet, but it seems to have a great application potential. This paper presents laboratory research on assessment of preliminary suitability of stainless steel waste material in building ceramics production
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