effect of magnesium aluminate spinel content of porous in zambia

effect of magnesium aluminate spinel content of porous aggregates on cement clinker corrosion and adherence properties of lightweight periclase

Effect of magnesium aluminate spinel content of porous aggregates on cement clinker corrosion and adherence properties of lightweight periclase

10/10/2018 · Effect of magnesium aluminate spinel content of porous aggregates on cement clinker corrosion and adherence properties of lightweight periclase-spinel refractories Author links open overlay panel Guiyuan Wu a Wen Yan b c Stefan Schafföner b

Get Price
effect of magnesium aluminate spinel content of porous aggregates on cement clinker corrosion and adherence properties of lightweight periclase

Effect of magnesium aluminate spinel content of porous aggregates on cement clinker corrosion and adherence properties of lightweight periclase

Effect of magnesium aluminate spinel content of porous aggregates on cement clinker corrosion and adherence properties of lightweight periclase-spinel refractories Author links open overlay panel Guiyuan Wu a Wen Yan b c Stefan Schafföner b

Get Price
effect of sic powder content on lightweight corundum-magnesium aluminate spinel castables

Effect of SiC powder content on lightweight corundum-magnesium aluminate spinel castables

5/10/2018 · This study investigates five lightweight corundum-magnesium aluminate spinel castables (LCSC) which consisted of porous corundum-spinel aggregates and matrices with 0–2.8 wt% silicon carbide (SiC). The effect of the SiC powder content (SPC) in

Get Price
the impact of preparation techniques on the properties of magnesium aluminate spinel

The Impact of Preparation Techniques on the Properties of Magnesium Aluminate Spinel

In this work, two different methods namely; dry mixing and ball milling followed by the cold isostatic press were employed to synthesize Magnesium aluminate spinel (MgAl 2 O 4). The phase diffraction and morphological characteristic of the

Get Price
transparent magnesium aluminate spinel: effect of critical temperature in two-stage spark plasma sintering

Transparent magnesium aluminate spinel: Effect of critical temperature in two-stage spark plasma sintering

1/6/2020 · Transparent magnesium aluminate spinel was fabricated using two-stage spark plasma sintering of a commercial MgAl 2 O 4 powder: a high heating rate, 100 C min −1, was used up to a Tc, critical temperature, between 1100 and 1200 C.

Get Price
formation and influence of magnesium-alumina spinel on the properties of refractory forsterite-spinel ceramics - imt

FORMATION AND INFLUENCE OF MAGNESIUM-ALUMINA SPINEL ON THE PROPERTIES OF REFRACTORY FORSTERITE-SPINEL CERAMICS - IMT

Traditionally, spinel ceramics are sintered from alumina and magnesium oxides.6 However, fly ash as a secondary product from power plants can also be a source of aluminium and silicon oxides that can be utilized as raw materials for sintering

Get Price
effects of zno addition on the sintering behavior and mechanical properties of magnesium aluminate spinel ceramics - liu - 2019 - international

Effects of ZnO addition on the sintering behavior and mechanical properties of magnesium aluminate spinel ceramics - Liu - 2019 - International

23/3/2019 · 1 INTRODUCTION Magnesium aluminate spinel (MgAl 2 O 4) ceramics are widely used in metallurgical, chemical, semiconductor, aerospace, defense, military, and atomic energy industries due to their excellent mechanical performance and chemical

Get Price
effect of chemical composition on the optical properties and fracture toughness of transparent magnesium aluminate spinel ceramics

Effect of Chemical Composition on the Optical Properties and Fracture Toughness of Transparent Magnesium Aluminate Spinel Ceramics

Polycrystalline transparent magnesium aluminate ‘‘spinel’’ ceramics were fabricated by hot-pressing and hot isostatic pressing (HIPing) using commercially available MgO and Al 2O 3 powders. Al 2O 3 content of spinel was systematically changed

Get Price
effect of tio2 on mechanical properties and microstructure of magnesium aluminate spinel refractories

Effect of TiO2 on Mechanical Properties and Microstructure of Magnesium Aluminate Spinel Refractories

Seven mixes of mullite-spinel composites composed of 100:0, 80:20, 60:40, 50:50, 40:60, 20:80, and 0:100 wt-% of presynthesised mullite and magnesium aluminate (MA) spinel were prepared and fired

Get Price
formation and densification behavior of magnesium aluminate spinel: the influence of cao and moisture in the precursors - ganesh - 2005 - journal

Formation and Densification Behavior of Magnesium Aluminate Spinel: The Influence of CaO and Moisture in the Precursors - Ganesh - 2005 - Journal

8/8/2005 · Different grades of stoichiometric and non-stoichiometric dense magnesium aluminate spinel (MgAl 2 O 4) grains were prepared by a conventional double-stage firing process using two types of alumina and four types of magnesia raw materials.The

Get Price
effect of magnesia-alumina spinel precursor sol on the sintering property of fused magnesia refractory

Effect of magnesia-alumina spinel precursor sol on the sintering property of fused magnesia refractory

15/2/2019 · Effect of adding spinel precursor sol on (a) bulk density, apparent porosity and (b) linear shrinkage of samples sintered at different temperatures. The addition in spinel precursor sol less than 1 wt%, the precursor sol particles rapidly

Get Price
magnesium aluminate spinel raw materials for high performance refractories for steel ladles

Magnesium Aluminate Spinel Raw Materials for High Performance Refractories for Steel Ladles

Spinel refractories are mostly important for steel ladles in the iron and steel industries, transition and burning zones in cement rotary kilns, and regenerators of glass tank furnaces [1,2]. For

Get Price
the influence of water on the fracture of magnesium aluminate (mgal2o4) spinel - van der laag - 2005 - journal of the american ceramic society

The Influence of Water on the Fracture of Magnesium Aluminate (MgAl2O4) Spinel - Van Der Laag - 2005 - Journal of the American Ceramic Society

4/3/2005 · The influence of water on the fracture of magnesium aluminate (MgAl 2 O 4) ceramics and spinel single crystals is investigated in order to determine whether adsorption plays an important role during subcritical crack growth as it does for MnZn

Get Price
how does furnace atmosphere effect the sintering of magnesium aluminate spinel(mgal2o4)?

How does furnace atmosphere effect the sintering of magnesium aluminate spinel(MgAl2O4)?

A recent review paper is "50 years of research and development coming to fruition, understanding the complex interactions during sintering of transparent magnesium aluminate spinel", Journal of

Get Price
porogenesis in the alumina-brucite-magnesia-spinel system

Porogenesis in the Alumina-Brucite-Magnesia-Spinel System

3/7/2020 · The raw materials were combined in a 1:1 Al 2 O 3:MgO molar ratio to produce stoichiometric spinel (Equation 2).Whereas the single source of Al 2 O 3 were thin calcined alumina particles (α-Al 2 O 3, A1000SG, Almatis, USA, Figure 1a), the full c

Get Price
effects of magnesium aluminate spinel on the properties of al2o3-sic-c castables for blast furnace iron trough | scientific.net

Effects of Magnesium Aluminate Spinel on the Properties of Al2O3-SiC-C Castables for Blast Furnace Iron Trough | Scientific.Net

The effects of varying the additions of magnesium aluminate spinel (0, 3, 6, 9, 12 wt. %) on the physical properties and slag resistance of Al2O3-SiC-C based castables were investigated. The composition of the specimens was determined by X-Ray

Get Price
synthesis and characterization of porous magnesium aluminate spinel by hydrothermal process - iopscience

Synthesis and characterization of porous magnesium aluminate spinel by hydrothermal process - IOPscience

Magnesium aluminate spinel has a great prospect in catalyst supports due to porous structure, good catalytic activity, high thermal stability and two active centers as acid and alkaline. The magnesium aluminate spinel powders synthesized by

Get Price
investigating the physical properties of sintered alumina in the presence of mgo nanopowder - hindawi

Investigating the Physical Properties of Sintered Alumina in the Presence of MgO Nanopowder - Hindawi

18/8/2021 · Effect of Nanocrystalline Magnesium Aluminate Precursor and Powder Granulometryon Spinellization and Densification to Develop Magnesium Aluminate Spinel Aggregates Theerthagiri Viswanathan a Department of Manufacturing Engineering, School of

Get Price
sol–gel preparation of hierarchically porous magnesium aluminate (mgal2o4) spinel monoliths for dye adsorption

Sol–gel preparation of hierarchically porous magnesium aluminate (MgAl2O4) spinel monoliths for dye adsorption

22/8/2018 · Sol–gel preparation of hierarchically porous magnesium aluminate (MgAl 2 O 4) spinel monoliths for dye adsorption Xingzhong Guo 1, Pengan Yin 1, Kazuyoshi Kanamori 2, Kazuki Nakanishi 2 & Hui Yang 1 Journal of Sol-Gel Science and Technology

Get Price
influence of mechanical activation of al2o3 on synthesis of magnesium aluminate spinel

Influence of Mechanical Activation of Al2O3 on Synthesis of Magnesium Aluminate Spinel

Influence of Mechanical Activation of Al2O3 on Synthesis of Magnesium Aluminate Spinel Zhang Zhihui*, Li Nan Hubei Province Key Lab of Refractories and Ceramics, Wuhan University of Sci. & Tec, Wuhan, Hubei, P.R.China, 430081. Abstract:

Get Price
effect of magnesia rich spinel on densification and stabilization behavior of monoclinic zirconia

Effect of magnesia rich spinel on densification and stabilization behavior of monoclinic zirconia

26/11/2020 · In addition, the excess MgO in magnesium aluminate spinel phase can restrict the grain growth of spinel and thereby facilitates sintering process as reported by Bailey et al. []. From Fig. 9 , it can be seen that grain size of sintered

Get Price
direct 3d printing of transparent magnesium aluminate spinel ceramics: journal of laser applications: vol 33, no 1

Direct 3D printing of transparent magnesium aluminate spinel ceramics: Journal of Laser Applications: Vol 33, No 1

22/12/2020 · Magnesium aluminate spinel powder with an alumina-rich composition (MgO⋅1.4Al 2 O 3, AR78-90MY from Almatis) was used in this study. The powder was nonspherical with a D50 particle size of 22 μm. 14 14. Almatis. Magnesium Aluminate Spinels. (202

Get Price
(pdf) no cement high alumina self flow castable

(PDF) No cement high alumina self flow castable

effect of particle-size distribution on the physicomechanical properties of high-alumina-based no-cement-content (NCC of mullite and magnesium-aluminate spinel via a cheaper precursor of

Get Price
reaction sintered zinc oxide incorporated magnesium aluminate spinel from commercial grade oxide reactants

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

16/3/2017 · Commercially available fused magnesia and reactive alumina sources were used to develop stoichiometric magnesium aluminate spinel by solid-state reaction sintering technique. Zinc oxide was used as a sintering additive up to 2 wt%. The mixture

Get Price
effect of titanium dioxide on sintering and stabilization of zro2 in zirconium-alumina and spinel-zirconium mixtures

Effect of titanium dioxide on sintering and stabilization of ZrO2 in zirconium-alumina and spinel-zirconium mixtures

The addition of titanium dioxide considerably reduces the sintering point of alumina and zirconia-alumina mixtures. Titanium dioxide does not have this effect on the sintering of the ternary equimolecular mixture ZrO2∶MgO∶ Al2O3. But the zero po

Get Price
corrosion of mgo-c with magnesium aluminate spinel addition in a steel casting simulator

Corrosion of MgO-C with Magnesium Aluminate Spinel Addition in A Steel Casting Simulator

ceramics Article Corrosion of MgO-C with Magnesium Aluminate Spinel Addition in A Steel Casting Simulator Ste en Dudczig 1, Gert Schmidt 1, Christos G. Aneziris 1, Christoph Wöhrmeyer 2, Christopher Parr 2 and Patrick Gehre 1,* 1 Institute of

Get Price
integrated thick-film nanostructures based on spinel ceramics | nanoscale research letters | full text

Integrated thick-film nanostructures based on spinel ceramics | Nanoscale Research Letters | Full Text

26/3/2014 · Integrated temperature-humidity-sensitive thick-film structures based on spinel-type semiconducting ceramics of different chemical compositions and magnesium aluminate ceramics were prepared and studied. It is shown that temperature-sensitive

Get Price
paper open access presence of magnesium-alumina spinel in forsterite ceramics and its influence during sintering and on resulting properties of

PAPER OPEN ACCESS Presence of magnesium-alumina spinel in forsterite ceramics and its influence during sintering and on resulting properties of

17/10/2019 · Presence of magnesium-alumina spinel in forsterite ceramics and its influence during sintering and on resulting properties of fired body To cite this article: M Nguyen and R Sokolá 2019 IOP Conf. Ser.: Mater. Sci. Eng. 549 012025 View the

Get Price
ceramics | free full-text | corrosion of mgo-c with magnesium aluminate spinel addition in a steel casting simulator

Ceramics | Free Full-Text | Corrosion of MgO-C with Magnesium Aluminate Spinel Addition in A Steel Casting Simulator

The alumina raw materials react with magnesia forming a spinel, which decreases open porosity and slag infiltration. The amount, grain size, and chemistry of the added spinel impact the properties of spinel-containing MgO-C. Corrosion tests have

Get Price
production of dense ceramics based on magnesium aluminate spinel with an evaporating additive - nasa/ads

Production of dense ceramics based on magnesium aluminate spinel with an evaporating additive - NASA/ADS

The influence of the evaporating additive on the properties of ceramics based on magnesium aluminate spinel obtained by high-temperature sintering in vacuum was investigated. The spinel precursor was obtained by chemical reverse

Get Price
materials | free full-text | direct 3d printing of silica doped transparent magnesium aluminate spinel ceramics

Materials | Free Full-Text | Direct 3D Printing of Silica Doped Transparent Magnesium Aluminate Spinel Ceramics

Transparent magnesium aluminate spinel ceramics were additively manufactured via a laser direct deposition method in this study. With a minimum porosity of 0.3% achieved, highly transparent spinel samples with the highest total optical

Get Price
paper open access effect of nickel addition on the microstructure and corrosion resistance properties of porous alumina composites shaped with

PAPER OPEN ACCESS Effect of nickel addition on the microstructure and corrosion resistance properties of porous alumina composites shaped with

17/12/2019 · the formation of the spinel phase in porous MgAl 2 O 4 spinel produced from alumina and magnesium oxide particles [21]. Cu 6 Sn 5 Cu 3 Sn Figure 3. V ariations of density and porosity of composite porous alumina samples as a function of

Get Price
preparation and characterization of cobalt aluminate spinels coal 2o4 doped with magnesium oxide

Preparation and Characterization of Cobalt Aluminate Spinels CoAl 2O4 Doped with Magnesium Oxide

399 Preparation and Characterization of Cobalt Aluminate Spinels CoAl 2O 4 Doped with Magnesium Oxide Christine Azer1,3, Adham R. Ramadan2,3*, Gehane Ghaly3 and Jehane Ragai2,3 (1) Department of Chemistry, Ain Shams University, Abbasiyya, Cairo

Get Price
‪stefan schafföner‬ - ‪google scholar‬

‪Stefan Schafföner‬ - ‪Google Scholar‬

Effect of magnesium aluminate spinel content of porous aggregates on cement clinker corrosion and adherence properties of lightweight periclase-spinel refractories G Wu, W Yan, S Schafföner, X Lin, S Ma, Y Zhai, X Liu, L Xu

Get Price
effects of spinel addition and cement variety on hot modulus of rupture of corundum-spinel castables | request pdf

Effects of spinel addition and cement variety on hot modulus of rupture of corundum-spinel castables | Request PDF

Effect of spinel content on hot strength of alumina-spinel castables in the temperature range 1000-1500 C Article Nov 1999 J EUR CERAM SOC Y.C. Ko C.F. Chan

Get Price
novel calcium hexaluminate/spinel-alumina composites with graded microstructures and mechanical properties | scientific reports

Novel calcium hexaluminate/spinel-alumina composites with graded microstructures and mechanical properties | Scientific Reports

11/3/2014 · Calcium hexaluminate (CA6) was incorporated into the matrix of magnesio aluminate spinel-alumina (MA-A) via infiltration of a porous preform fabricated from α-Al2O3 and MgO

Get Price
influence of nanocrystalline mgal2o4 spinel addition on the properties of mgo-c refractories: materials and manufacturing processes: vol 27, no 3

Influence of Nanocrystalline MgAl2O4 Spinel Addition on the Properties of MgO-C Refractories: Materials and Manufacturing Processes: Vol 27, No 3

Nanopowders of magnesium aluminate (MgAl 2 O 4) spinel, prepared through citrate-nitrate gel method and calcined at 800 C, were incorporated to the matrix of magnesia-carbon (MgO-C) refractory.The physical and chemical properties of the

Get Price
magnesium aluminate (mgal o ) spinel produced via self-heat-sustained (shs) technique

Magnesium aluminate (MgAl O ) spinel produced via self-heat-sustained (SHS) technique

Magnesium aluminate (MgAl2O4) spinel produced via self-heat-sustained (SHS) technique Lim Rooi Pinga,1, Abdul-Majeed Azadb,*, Teng Wan Dunga aCeramics Technology Center, SIRIM Berhad, 1 Persiaran Dato’ Menteri, Section 2, 40911 Shah Alam,

Get Price
effect of polymorphism of al2o3 on sintering and grain growth of magnesia aluminate spinel - core

Effect of polymorphism of Al2O3 on sintering and grain growth of magnesia aluminate spinel - CORE

Bulk density, apparent porosity and grain size were measured. The results indicated that the grain size of MA with γ-Al2O3 is larger than the grain size of MA with α - Al2O3. This is because the activation energy of grain growth of magnesia alum

Get Price

Related Items