Results 11 to 20 of about 395,287 (296)

Microstructure, phase evolution, mechanical properties and slag corrosion resistance of ZrO2 reinforced Al2O3–Cr2O3 composites

open access: yesJournal of Materials Research and Technology, 2023
Al2O3–Cr2O3 refractories have excellent slag corrosion resistance and can adapt to the oxidation/reduction atmosphere in the smelting reduction ironmaking furnace.
Kunkun Cui   +5 more
doaj   +1 more source

Assessment of Magnesia Refractories Corrosion by Iron-Rich Slags

open access: yesMaterials Proceedings, 2022
High purity magnesia refractories have been tested for their resistance to iron-rich converter slags of ferronickel production. Laboratory tests were performed using crucibles made from magnesia refractories filled with slag at temperatures up to 1700 °C
Konstantinos Betsis   +3 more
doaj   +1 more source

Deterioration characterization during thermal shock testing [PDF]

open access: yesScience of Sintering, 2023
Thermal shock stability plays a great role in the selection of optimal refractory material. Different methods of characterization were developed for this purpose, including the implementation of nondestructive testing.
Martinović Sanja   +2 more
doaj   +1 more source

Phase formation in MgO-C refractories with different antioxidants

open access: yes, 2021
The application of Al or Si as antioxidants in MgO-C refractories leads to the in situ formation of new phases. Due to uncertainties regarding phase formation in some references four different test series were heat treated from 800 to 1600 °C under ...
C. Atzenhofer, H. Harmuth
semanticscholar   +1 more source

A Review on Recent Advances on Magnesia-Doloma Refractories by Nano-Technology. [PDF]

open access: yesJournal of Water and Environmental Nanotechnology, 2017
Due to exhibiting an excellent chemical resistance against basic environments at high temperature, good thermal shock resistance, thermodynamic stability in the presence of carbon, and a suitable abrasion resistance, MgO-CaO refractories are widely used ...
Salman Ghasemi-Kahrizsangi   +3 more
doaj   +1 more source

REFRACTORY SARCOIDOSIS

open access: yesJournal of Ayub Medical College Abbottabad, 2023
A multi-organ granulomatous disease with characteristic lung manifestations, sarcoidosis generally responds well to glucocorticoid therapy but 10% of cases are refractory necessitating immunosuppressive therapy. A 58-year-old lady presented with dry cough and progressively worsening shortness of breath for last 12 months.
Khalid, Mahmood   +3 more
openaire   +2 more sources

Effects of oxidation of SiC aggregates on the sintering behaviour and microstructures of SiC-CaAl12O19 composite refractories [PDF]

open access: yesProcessing and Application of Ceramics, 2021
In order to develop chrome-free refractory materials applicable in coal slurry gasification, SiC-CaAl12O19 (SiC-CA6) composite refractories were developed and prepared by using SiC aggregates and CA6 powders as main raw materials. The sintering behaviour
Si Yaochen   +8 more
doaj   +1 more source

Research Status of Slag Corrosion Resistance in Magnesia Chrome Refractories Applied in Copper Metallurgy

open access: yesKuangchan zonghe liyong, 2023
This is a paper in the field of ceramic materials for metallurgy. Magnesia chrome refractory is widely used in copper industry due to its excellent high temperature strength, fine slag corrosion resistance and good performance.
Guolong Ni, Shuhuan Wang, Qun Li
doaj   +1 more source

Refractory and Super-refractory Status Epilepticus [PDF]

open access: yesIndian Pediatrics, 2020
Refractory status epilepticus (RSE) and super-refractory status epilepticus (SRSE) are neurological emergencies with considerable mortality and morbidity. In this paper, we provide an overview of causes, evaluation, treatment, and consequences of RSE and SRSE, reflecting the lack of high-quality evidence to inform therapeutic approach.This is a ...
Samanta, Debopam   +2 more
openaire   +2 more sources

Mechanical properties and microstructure of Cr2O3 reinforced 3Al2O3·2SiO2 composite refractories

open access: yesJournal of Materials Research and Technology, 2023
Chromium-containing refractories have excellent high-temperature corrosion resistance. In this work, Cr2O3 reinforced Al2O3–SiO2 composite refractories were prepared by reaction sintering process.
Hong Wang   +3 more
doaj   +1 more source

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