Using Energy Efficient Microwaves to Synthesize High
W.L.E. Wong and M. Gupta "Improving Overall Mechanical Performance of Magnesium Using Nano-Alumina Reinforcement and Energy Efficient Microwave Assisted Processing Route" Advanced Engineering Materials 9 (2007) 902–909. CrossRef Google Scholar
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Wuhan University of Science and
· Energy efficient lightweight periclase-magnesium alumina spinel castables containing porous aggregates for the working lining of steel ladles. Journal of the European Ceramic Society 2018 38
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Energy efficient lightweight periclase-magnesium alumina
· This study presented a new lightweight periclase-magnesium alumina spinel castable (LPSC) with superior strength thermal shock and corrosion resistance. To investigate the microstructures and properties of the LPSC a dense periclase-spinel castable (DPSC) was compared as a reference. The following conclusions can be reached 1)
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Behaviour of micro- and nano-alumina-reinforced Mg–3Zn–0
· This study aims to develop a magnesium-based hybrid composite via a powder metallurgy (PM) technique by simultaneously reinforcing the matrix (Mg–3Zn–0.7Zr–1Cu) alloy with micro-alumina (3.0 wt ) and nano-alumina (0.5 wt and 1.0 wt ) particulates. The extensive processing involved two different sintering temperatures (400 and 450 °C) followed by hot extrusion and a heat treatment
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An Introduction to Lightweight Energy Saving Environment
Magnesium nanocomposites are promising materials for weight and strength critical engineering and biomedical applications. The addition of nano-particles to magnesium can improve hardness and strength without detrimental effect on the ductility which tends to occur when micron-size particles are added. Examples of magnesium nanocomposites reinforced with ceramic and metallic particles are
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Optimization of Properties for Alumina-Spinel Refractory
Yan W. Wu G.Y. Ma S.B. Schafföner S. Dai Y.J. Chen Z. Energy efficient lightweight periclase-magnesium alumina spinel castables containing porous aggregates for the working lining of steel ladles. J. Eur. Ceram. Soc. 2018 38 4276–4282. Google Scholar Chen
Get PriceSynthesis of magnesium aluminate spinel by periclase and
· Highlights • Use of chlorination for the synthesis of magnesium aluminate spinel. • The reagents used were alumina periclase and chlorine. • Isothermal and non-isothermal assays were performed in air and Cl sub 2 –N sub 2 flows. • The chlorination produced magnesium aluminate spinel at
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CNAMagnesia-alumina spinel structure heat
The invention discloses a magnesia-alumina spinel structure heat insulation integral composite brick and a preparation method thereof. The heat insulation integral composite brick comprises a heavy work layer and a light heat insulation layer wherein the heavy work layer is made of compact magnesia-alumina spinel the light heat insulation layer is made of light aggregate of alumina hollow
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Production of Magnesium by Vacuum Aluminothermic Reduction
· The Pidgeon process currently accounts for 85 of the world s magnesium production. Although the Pidgeon process has been greatly improved over the past 10 years such production still consumes much energy and material and creates much pollution. The present study investigates the process of producing magnesium by employing vacuum aluminothermic reduction and by using
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Spinel Refractory Materials_Zhengzhou Sunrise Refractory
· It is composed of chrome spinel (or solid solution) and periclase as the main mineral composition. They are made of chromium ore caustic magnesite or dunite. Chromite is directly used to make bricks. The ground chromite is mixed with 5 light burning magnesium powder. then the mixture is molded dried and fired into chrome bricks at 1550℃.
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Nanocrystalline magnesia alumina mixed oxide efficient
· Nanocrystalline magnesia-alumina mixed oxide (Mg0.80Al0.20O1.10) prepared by combustion synthesis method was found to be an excellent sorbent for uptake of fluoride anion of up to 120 mg L−1 concentration. The sorption was achieved at a pH of 6 with 0.015 g of oxide and maximum uptake could be achieved within a period of 1 h. The sorption followed both Langmuir and Freundlich isotherms with
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USB1Lightweight dry refractoryGoogle Patents
A dry refractory composition having superior insulating value. The dry refractory composition also may have excellent resistance to molten metals and slags. The composition includes filler lightweight material which may be selected from perlite vermiculite expanded shale expanded fireclay expanded alumina silica hollow spheres bubble alumina sintered porous alumina alumina spinel
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METALS Program OverviewEnergy
· future energy savings across a wide range of applications including but not limited to transportation power production industrial processing and structures 1-3 . The high strength-to-weight ratios of these metals means that their use in automotive manufacturing produces more fuel efficient vehicles with no reduction in performance or safety.
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Developing an Energy-Efficient Lining for the Firing Zone
· Boundary conditions and a method of calculation are examined for determining parameters that characterize heat transfer through the lining of a tunnel furnace. An energy-efficient structure is conceived for the linings of the roof and walls of the furnace and the floor of the cars used in the furnace. It is established that the improvements made in the structure of the furnace s protective
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Scale-Up of Magnesium Production by Fully Stabilized
· Magnesium Lightweight Vehicles Increased Fuel Efficiency Reduced Emissions Alumina protection Sheath. LSM Ceramic conductor. Oxygen Transfer Membrane. Ag Displacement "Pure Oxygen Anodes™ for Lowor Zero-Carbon Energy Efficient Metal Oxide Reduction " Presented at TMS Annual Meeting Energy and Carbon in Metal Production
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Secondary Aluminum Production The Aluminum Association
· Secondary Production is the process of recycling aluminum scrap into aluminum that can be used again—an environmentally sound process that is 92 percent more energy efficient than primary production. The increased adoption of recycled aluminum in manufacturing has created significant economic and environmental wins for both industry and
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What is the Ability of Magnesia Bricks to Transfer Heat
· Magnesite brick is an alkaline refractory with a magnesium oxide content of more than 90 and periclase as the main crystal phase. Generally it can be divided into two categories sintered magnesia bricks (also called fired magnesia bricks) and chemically bonded magnesia bricks (also called unfired magnesia bricks).
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China HT Alumina Fiber Series Suppliers Manufacturers
· GreenergyChina professional ht alumina fiber series manufacturers and suppliers providing the best customized service with low price. Welcome to buy high quality ht alumina fiber series in stock here from our factory. Also pricelist and quotation are available.
Get PriceNanocrystalline magnesia alumina mixed oxide efficient
· Nanocrystalline magnesia-alumina mixed oxide (Mg0.80Al0.20O1.10) prepared by combustion synthesis method was found to be an excellent sorbent for uptake of fluoride anion of up to 120 mg L−1 concentration. The sorption was achieved at a pH of 6 with 0.015 g of oxide and maximum uptake could be achieved within a period of 1 h. The sorption followed both Langmuir and Freundlich isotherms with
Get Price
Behaviour of micro- and nano-alumina-reinforced Mg–3Zn–0
· This study aims to develop a magnesium-based hybrid composite via a powder metallurgy (PM) technique by simultaneously reinforcing the matrix (Mg–3Zn–0.7Zr–1Cu) alloy with micro-alumina (3.0 wt ) and nano-alumina (0.5 wt and 1.0 wt ) particulates. The extensive processing involved two different sintering temperatures (400 and 450 °C) followed by hot extrusion and a heat treatment
Get PriceAlmatis Tabular other Aggregates
The consistent quality of Almatis aggregates such as Tabular alumina T60/T64 Spinel AR 90 AR 78 MR 66 and BSA 96 is the result of a well-controlled sinter process with firing temperatures above 1800° C. The use of high temperature furnaces with state-of-the-art technology permits densification of selected raw materials without sintering
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Energy efficient lightweight periclase-magnesium
Energy efficient lightweight periclase-magnesium « on December 25th 2020 11 30am » This study presents a new lightweight periclase-magnesium alumina spinel castable (LPSC) for the working lining of steel ladles using porous periclase-spinel aggregates to
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Energy efficient lightweight periclase-magnesium
Energy efficient lightweight periclase-magnesium « on December 25th 2020 11 30am » This study presents a new lightweight periclase-magnesium alumina spinel castable (LPSC) for the working lining of steel ladles using porous periclase-spinel aggregates to
Get PriceCNAMagnesia-alumina spinel structure heat
The invention discloses a magnesia-alumina spinel structure heat insulation integral composite brick and a preparation method thereof. The heat insulation integral composite brick comprises a heavy work layer and a light heat insulation layer wherein the heavy work layer is made of compact magnesia-alumina spinel the light heat insulation layer is made of light aggregate of alumina hollow
Get PriceAluminum in magnesium silicate perovskite Formation
· 8 From these considerations we surmise that silicate perovskite in equilibrium with a rocksalt phase (periclase or magnesiowüstite) may very well form a solid solution series according to reaction (2). The objective of the present study is to directly compare aluminous magnesium silicate perovskite in a magnesia-saturated and in a silica
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Magnesium Aluminate AMERICAN ELEMENTS
See more Magnesium products. Magnesium (atomic symbol Mg atomic number 12) is a Block S Group 2 Period 3 element with an atomic mass of 24.3050. The number of electrons in each of Magnesium s shells is 2 8 2 and its electron configuration is Ne 3s 2. The magnesium atom has a radius of 160 pm and a Van der Waals radius of 173 pm
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Energy efficient lightweight periclase-magnesium alumina
This study presents a new lightweight periclase-magnesium alumina spinel castable (LPSC) for the working lining of steel ladles using porous periclase-spinel aggregates to replace conventional dense magnesia aggregates. The porous periclase-spinel aggregates were produced by an in-situ decomposition technique resulting in an apparent porosity of 23.
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Energy efficient lightweight periclase-magnesium
Energy efficient lightweight periclase-magnesium « on December 25th 2020 11 30am » This study presents a new lightweight periclase-magnesium alumina spinel castable (LPSC) for the working lining of steel ladles using porous periclase-spinel aggregates to
Get Price
Behaviour of micro- and nano-alumina-reinforced Mg–3Zn–0
· This study aims to develop a magnesium-based hybrid composite via a powder metallurgy (PM) technique by simultaneously reinforcing the matrix (Mg–3Zn–0.7Zr–1Cu) alloy with micro-alumina (3.0 wt ) and nano-alumina (0.5 wt and 1.0 wt ) particulates. The extensive processing involved two different sintering temperatures (400 and 450 °C) followed by hot extrusion and a heat treatment
Get Price
Synthesis of magnesium aluminate spinel by periclase and
· Highlights • Use of chlorination for the synthesis of magnesium aluminate spinel. • The reagents used were alumina periclase and chlorine. • Isothermal and non-isothermal assays were performed in air and Cl sub 2 –N sub 2 flows. • The chlorination produced magnesium aluminate spinel at
Get Price
