Corrosion–erosion wear of refractory bricks in glass furnaces

Guzmán, A.M.; Martínez, D.I.; González, Ricardo Rodríguez

doi:10.1016/j.engfailanal.2014.09.003

Cited by 24 publications

(9 citation statements)

References 11 publications

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“…The addition of zirconia (between 30 and 42 wt%) to aluminosilicate refractories was introduced at the beginning of the last century, to improve the corrosion resistance in glass furnaces [21,22]. A characteristic of the electro-melted refractories is their minimum porosity (1-2%), being this feature of great importance as it minimizes the glass-refractory interface [21][22][23][24].…”

Section: Introductionmentioning

confidence: 99%

Alkali-activated refractory wastes exposed to high temperatures: development and characterization

Coppola

Tardivat

Richaud

et al. 2020

Journal of the European Ceramic Society

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The feasibility to prepare alkali-activated materials starting from refractory wastes and their properties after exposure to high temperatures (800, 1000, 1200 and 1400 °C) were investigated. Two different aluminosilicate wastes were used: chamotte (CH, mainly composed of corundum, mullite and andalusite) and alumina-zirconia-silica (AZS, composed by baddeleyite, corundum and amorphous silica). Very high mechanical properties were achieved in both cases (28-days compressive strength of approx. 70 and 60 MPa for CH-and AZS-based pastes, respectively). Then, alkali-activated pastes were exposed to high temperatures. For both kinds of samples, a sharp increase of mechanical properties was obtained after exposure to 800 and 1000 °C thanks to the matrix densification. Above 1000 °C viscous sintering occurs leading to a further increase of mechanical properties. AZS-based materials were able to withstand high temperatures up to 1400 °C while CH-based pastes mechanical properties decrease at 1400 °C due to andalusite decomposition.

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Section: Introductionmentioning

confidence: 99%

Alkali-activated refractory wastes exposed to high temperatures: development and characterization

Coppola

Tardivat

Richaud

et al. 2020

Journal of the European Ceramic Society

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“…Glass and cement industries use refractories subjected to extreme conditions of wear (sliding, abrasion, erosion, etc.) at high temperatures (>1000 °C), which require the employment of expensive electro-melted Al 2 O 3 refractories [10]. In order to decrease the wear of the materials involved with a lower cost, different solutions have been proposed [5][6][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Tribological performance at high temperatures of alumina coatings applied by plasma spraying process onto a refractory material

Franco

Ageorges

López

et al. 2019

Surface and Coatings Technology

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“…All the chromium components in the system were stabilized as trivalent chromium in the chromate spinel phases, [21][22][23][24][25] contributing to great refractory materials having strong corrosion resistance and thermal shock resistance, [26][27][28][29] and thus wide potential applications in smelting furnaces. [30][31][32][33] In the preparation, the phase transition and microstructural evolution were believed to affect the properties of the refractory materials significantly. [34][35][36] However, these changes, especially the formation and growth behaviors of the spinel phases during the sintering process, have not yet been explored in depth.…”

Section: Introductionmentioning

confidence: 99%

Promoting spinel formation and growth for preparation of refractory materials from ferronickel slag

Peng

Zhang

et al. 2020

Int J Applied Ceramic Tech

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The study provides a method for improving the quality of the refractory material prepared from ferronickel slag by promoting the spinel formation and growth in the slag which was sintered with sintered magnesia and chromium oxide in a broad sintering temperature range from 1200°C to 1500°C. According to the thermodynamic analysis, except for forsterite due to the addition of sintered magnesia, a number of high‐melting point spinel phases can also be formed in the presence of chromium oxide and this trend becomes more apparent with increasing sintering temperature, along with declined presence of low‐melting point clinopyroxene, mainly enstatite. This expectation was verified by conversion of a part of the original phase of ferronickel slag, olivine, to two main spinel phases, including magnesium aluminate spinel and donathite which was produced by the replacement of nontoxic Cr3+ ions with Fe3+ ions in the octahedral vacancies of magnesium chromate spinel. The formation and growth of these spinel phases were promoted by elevating temperature from 1200°C to 1500°C, which accelerated the transition of initially generated enstatite to a glassy phase, in favor of densification. The formation and growth of spinel during sintering contributed to high refractoriness and compressive strength of the resulting refractory materials

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Corrosion–erosion wear of refractory bricks in glass furnaces

Cited by 24 publications

References 11 publications

Alkali-activated refractory wastes exposed to high temperatures: development and characterization

Alkali-activated refractory wastes exposed to high temperatures: development and characterization

Tribological performance at high temperatures of alumina coatings applied by plasma spraying process onto a refractory material

Promoting spinel formation and growth for preparation of refractory materials from ferronickel slag

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