Designing environment‐friendly chromium‐free Spinel‐Periclase‐Zirconia refractories for Ruhrstahl Heraeus degasser

S Mandal, CJ Dileep Kumar, D Kumar… - Journal of the …, 2020 - Wiley Online Library
Ruhrstahl Heraeus (RH) degassers are globally used to manufacture vacuum‐treated steel
for automotive and railroad applications. The state‐of‐the‐art environment‐friendly …

Effect of ZrO2 addition on MgAl2O4 spinel from commercial grade oxide reactants

SK Mohan, R Sarkar - Ceramics International, 2016 - Elsevier
Dense stoichiometric magnesium aluminate spinel was developed from commercially
available fused magnesia and sintered alumina sources by solid oxide reaction in a single …

Impact on aggregate/matrix bonding when a refractory contains zinc aluminate instead of spinel and magnesia‐chrome

S Mandal, JG Hemrick… - Journal of the American …, 2023 - Wiley Online Library
The high hot strength of MgO–Cr2O3 refractory is often ascribed to its intimate
aggregate/matrix bonding. For a fundamental comparison with it,∼ 2 mm aggregates of …

Effect of rare-earth oxides on reaction sintered non-stoichiometric magnesium aluminate spinel

B Baruah, SK Parija, R Sarkar - Transactions of the Indian Ceramic …, 2023 - Taylor & Francis
Non-stoichiometric spinel compositions with molar ratio of MgO: Al2O3= 1: 2 and 2: 1, were
prepared via single-stage reaction sintering technique at 1550°-1600° C using commercial …

Influence of samarium oxide addition on magnesium aluminate spinel: A case of reaction sintering

B Baruah, R Sarkar - Journal of Materials Engineering and Performance, 2024 - Springer
In the present study, the role of samarium oxide (Sm2O3) as an additive on the property
development of stoichiometric (molar ratio MgO: Al2O3= 1: 1) magnesium aluminate spinel …

Reaction sintered zinc oxide incorporated magnesium aluminate spinel from commercial grade oxide reactants

SK Mohan, R Sarkar - Journal of the Australian Ceramic Society, 2017 - Springer
Commercially available fused magnesia and reactive alumina sources were used to
develop stoichiometric magnesium aluminate spinel by solid-state reaction sintering …

Effect of Incremental Addition of ZrO2 on the Densification, Phase Formation, Microstructure, and Strength Development of Pre-reacted Magnesium Aluminate Spinel

B Baruah, NK Yadav, R Sarkar - Journal of Materials Engineering and …, 2023 - Springer
Commercially available magnesium aluminate spinel powder (AR-78) was taken as the
starting raw material and then the effect of incremental addition of zirconia (ZrO2), in the …

Microstructure and phase evolution of Indian magnesite‐derived MgAl2O4 as a function of stoichiometry and ZrO2 doping

S Mandal, S Mondal, K Das - International Journal of Applied …, 2018 - Wiley Online Library
To aid development of cost‐effective sintered spinel as a refractory raw material, this paper
presents an extensive analysis of microstructure and complex phase evolution of Al‐rich, Mg …

Sintering studies on magnesia-rich chromium-free spinel-bonded basic refractories

R Lodha, C Oprea, T Troczynski… - Advances in Science and …, 2011 - Trans Tech Publ
Basic bricks with Cr2O3 from chrome ore, as the spinel forming oxide, are used in the non-
ferrous industry because of their corrosion resistance against fayalite-type slags, rich in FeO …

Synthesis and Study of Composite Materials in the ZrO2(Y2O3)–MgAl2O4 System

LV Morozova, IA Drozdova, MV Kalinina - Glass Physics and Chemistry, 2019 - Springer
Powders–precursors of a tetragonal solid solution based on partially stabilized zirconium
dioxide (t-ZrO 2) and aluminum-magnesium spinel (MgAl 2 O 4) are synthesized using the …