Castable systems designed with powders reclaimed from dismantled steel induction furnace refractory linings
| العنوان: | Castable systems designed with powders reclaimed from dismantled steel induction furnace refractory linings |
|---|---|
| المؤلفون: | Abílio P. Silva, Rogério A. Lopes, Ana M. Segadães |
| المساهمون: | uBibliorum |
| المصدر: | Ceramics International. 43:5020-5031 |
| بيانات النشر: | Elsevier BV, 2017. |
| سنة النشر: | 2017 |
| مصطلحات موضوعية: | Materials science, Induction furnace, 02 engineering and technology, engineering.material, Raw material, 01 natural sciences, Industrial waste, 0103 physical sciences, Materials Chemistry, Recycling, Casting, Refractory (planetary science), 010302 applied physics, Process Chemistry and Technology, Metallurgy, Spinel, Particle size distribution, 021001 nanoscience & nanotechnology, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Casting (metalworking), Ceramics and Composites, engineering, Waste stream, Spinel-bonded Refractory, Powders, 0210 nano-technology |
| الوصف: | Despite environmental pressures and intrinsic recycling potential, spent refractories waste is generally considered an economically unattractive waste stream. This work proposes an upgraded view of the debris recovered from dismantled spinel-bonded high-alumina linings of steel induction furnaces, demonstrating that it can be reused in the form of vibratable and self-flowing castable systems. The recovered material retains the microstructural distribution of in situ spinel formation without the corresponding disruptive expansion, mirroring the use of pre-formed spinel without the onus of a pre-firing. The mechanical performance after firing was found to be always best for the self-flowing system, which is also less affected by changes in added-water content. There is potential for large usages of cleaned waste (50–60 wt%), which helps reducing the supply risk for major refractory primary raw materials as well as landfilling costs. |
| وصف الملف: | application/pdf |
| تدمد: | 0272-8842 |
| DOI: | 10.1016/j.ceramint.2017.01.012 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d914e0f1295e37b00768c79a31dca80d https://doi.org/10.1016/j.ceramint.2017.01.012 |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....d914e0f1295e37b00768c79a31dca80d |
| قاعدة البيانات: | OpenAIRE |
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