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production of xrd of refractory materials

  • Int. Journal of Refractory Metals & Hard Materials

    2021-1-22 · XRD pattern for the production of WC from interrupted high energy ball milling of W and C, corresponding to (a) initial mixture, (b) 4 h, (c) 8 h and (d) 12 h of milling, at BPR of 10:1 and milling speed of 300 rpm, respectively. Fig. 1. W–C phase diagram [5]. 2 S. Bolokang et al./Int. Journal of Refractory Metals & Hard Materials xxx (2009 ...

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  • Utilization of coal fly ash as a raw material for ...

    oal fly ash as a raw material for refractory production 117Utilization of c J. Met. Mater. Miner. 28(1). 2018 using X-ray diffractometer, XRD (PaNalytical, X’ Pert PRO ). The samples were measured at 2θ of 10° to 70° with step size of 0.02° and step time of 2 s. The chemical compositions of these raw materials were

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  • Materials | Free Full-Text | Fabrication of Refractory ...

    2020-8-6 · inexpensive raw materials [4,8,11]. Fly ash and kaolin are among the raw materials widely used in the production of refractory materials. Research has proven the nature of additives such as MgO in the fabrication of refractory materials and promoted their utilization in various applications [26]. The use of MgO and AlF33H2O, with fly

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  • Fabrication of Refractory Materials from Coal Fly Ash ...

    The products of refractory materials are used for lining furnace, incinerators and kilns among other uses and they have the potential of withstanding high temperature without deformation. The objective of the research was to charac-terize the clay soil sample collected from Tshwane University of Technology in Pretoria. The sample, collected from a location Latitude 25.0969°S and Longi-tude 28 ...

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  • Instrumental Characterization of Pretoria Clay Soil by

    2021-3-20 · 1. Introduction. The pot lining in the Hall-Héroult cell is mainly composed of carbonaceous materials (carbon cathodes and side carbon blocks) and refractory materials (dry barrier materials and insulation bricks) (Xie et al., 2020).The lining structure becomes deformed or even broken by the penetration and corrosion of both high-temperature molten salt and metallic sodium, resulting in ...

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  • Materials | Free Full-Text | Fabrication of Refractory ...

    2021-4-15 · The chromium-promoted preparation of forsterite refractory materials from ferronickel slag was investigated by microwave sintering of the slag with the additions of sintered magnesia and 0–10 wt% chromium oxide (Cr 2 O 3).The thermodynamic calculations revealed that the addition of Cr 2 O 3 can promote the formations of spinel and liquid phase and maintain high content of forsterite below ...

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  • Recycling of spent refractory materials to produce

    2018-11-20 · Preparation of refractory materials from ferronickel slag by sintering over a broad temperature range (1200°C to 1500°C) with addition of sintered magnesia was explored. The thermodynamic calculations indicated that the amounts of newly generated high-melting-point forsterite and spinel phases increase with increasing temperature. The experimental analysis demonstrated that …

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  • X-ray diffraction (XRD) | Rigaku Global Website

    2021-5-26 · From research to production and engineering, XRD is an indispensable method for materials characterization and quality control. Rigaku has developed a range of X-ray diffractometers, in co-operation with academic and industrial users, which provide the most technically advanced, versatile and cost-effective diffraction solutions available today.

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  • Fabrication of Refractory Materials from Coal Fly Ash ...

    In this research, refractory materials (cordierite (Mg 2 Al 4 Si 5 O 18), mullite (3Al 2 O 3 ·2SiO 3), and kyanite (Al 2 SiO 5)) were fabricated in four different experiments, and an assessment was made of the strength of each of the materials. Coal fly ash and kaolin were each blended with alumina as starting materials.

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  • Int. Journal of Refractory Metals and Hard Materials

    2017-1-5 · The powders were analyzed with X-ray diffraction (XRD) using a PANalytical X'Pert PRO powder diffractometer (CuKα radiation, X'Celerator detector, Ni Kβ filter). Before analysis, the powders Int. Journal of Refractory Metals and Hard Materials 62 (2017) 97–103 ⁎ Corresponding author. E-mail address: [email protected] (J. Weidow).

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  • Int. Journal of Refractory Metals and Hard Materials

    2017-1-5 · Investigations in production scale with intentionally contaminated tungsten oxide showed that bronzes can ... Int. Journal of Refractory Metals and Hard Materials 62 (2017) 87–96 ⁎ Corresponding author at: Wolfram Bergbau und Hütten AG, 8543 St. Martin, Austria. ... XRD and SEM examination of powder bed after 5 min reduction time in dry ...

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  • PRODUCTION AND CHARACTERIZATION OF CLAY

    2014-7-30 · production of refractory materials for industrial use. The current work is aimed at this the possibility of utilizing these vast available material (palm kernel shell) in the fabrication of refractory materials. In view of all these facts, there is therefore every need to produce, characterize, evaluate and improve the refractory properties of

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  • X-Ray diffraction (XRD) :: Anton Paar Wiki

    X-Ray diffraction is used for the investigation of crystalline materials. All crystalline materials have one thing in common: their components are arranged in a regular manner. Read on to get an introduction to X-ray diffraction and non-ambient X-ray diffraction, instrumental design aspects, and more.

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  • UNTRADITIONAL SYNTHESIS OF BORON-CONTAINING

    2020-11-5 · ) and production of dense boron carbide (B 4 C) based materials. Using SEM, TEM, XRD and analytical chemical methods, it was shown that diborides of titanium and zirconium have appropriate properties for production of dense ceramic materials. Using the method of mechanically-assisted sintering high-dense B 4 C-based ceramic materials was obtained.

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  • Ceramics - Industrial Minerals - XRD - Advancing

    2019-10-29 · XRD analysis for ceramic manufacturing. Recently, XRD specialists here analyzed samples of ball clay, kaolin, magnetite and feldspar with the ARL EQUINOX 100 X-ray Diffractometer to determine the phase composition in mineral samples used for the production of ceramic materials. A benchtop diffractometer, the ARL EQUINOX has been shown to be a ...

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  • Chromium-promoted preparation of forsterite

    2021-4-15 · The chromium-promoted preparation of forsterite refractory materials from ferronickel slag was investigated by microwave sintering of the slag with the additions of sintered magnesia and 0–10 wt% chromium oxide (Cr 2 O 3).The thermodynamic calculations revealed that the addition of Cr 2 O 3 can promote the formations of spinel and liquid phase and maintain high content of forsterite below ...

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  • Surfaces of refractory products modified by low ...

    silicon dioxide and alumina oxide. Moreover, refractory materials exhibit 4-9% strengthening. 1. Introduction . Refractory materials and the equipment used for glass manufacturing allow considerably to increase service life of basic production facilities and reduce both energy and manufacturing costs. At …

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  • X-Ray diffraction (XRD) :: Anton Paar Wiki

    2021-5-22 · From research to production and engineering, XRD is an indispensable method for materials characterization and quality control. Rigaku has developed a range of X-ray diffractometers, in co-operation with academic and industrial users, which provide the most technically advanced, versatile and cost-effective diffraction solutions available today.

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  • ELECTROCHEMICAL PRODUCTION OF MOLYBDENUM

    X-Ray diffraction is used for the investigation of crystalline materials. All crystalline materials have one thing in common: their components are arranged in a regular manner. Read on to get an introduction to X-ray diffraction and non-ambient X-ray diffraction, instrumental design aspects, and more.

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  • X-Ray diffraction (XRD) :: Anton Paar Wiki

    2020-1-1 · ELECTROCHEMICAL PRODUCTION OF MOLYBDENUM REFRACTORY METAL POWDERS . Akpınar, Bengisu . Master of Science, Metallurgical and Materials Engineering . Supervisor: Prof. Dr. İshak Karakaya. Co-Supervisor: Assist. Prof. Dr. Metehan Erdoğan. December 2019, 51 pages. Molybdenum (Mo) is a refractory metal and mostly used as an alloying agent in cast

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  • (PDF) Production and Characterization of Clay Bonded ...

    NA-XRD is also an important technique for material research which uses minerals as raw materials for e.g. sensor devices, ferroelectrics piezoelectrics or permanent magnets. Furthermore cements and especially their hydration/dehydration reactions are frequently studied with non-ambient diffraction.

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  • (PDF) Effect of production conditions on mechanical ...

    The mechanical properties of clay bonded carbon refractory produced from Ifon clay and spent graphite electrode was investigated. This was carried out following American Society for Testing and Materials (ASTM) stipulated standards. The spent

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  • UNTRADITIONAL SYNTHESIS OF BORON-CONTAINING

    Effect of production conditions on mechanical properties of bauxite refractory materials. Download. Effect of production conditions on mechanical properties of bauxite refractory materials. Ioanna Katsavou. Related Papers. Determination of mechanical properties and thermal treatment behavior of alumina-based refractories.

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  • Surfaces of refractory products modified by low ...

    2020-11-5 · ) and production of dense boron carbide (B 4 C) based materials. Using SEM, TEM, XRD and analytical chemical methods, it was shown that diborides of titanium and zirconium have appropriate properties for production of dense ceramic materials. Using the method of mechanically-assisted sintering high-dense B 4 C-based ceramic materials was obtained.

    Get Price
  • Production of Steel | Metallurgical and Materials

    silicon dioxide and alumina oxide. Moreover, refractory materials exhibit 4-9% strengthening. 1. Introduction . Refractory materials and the equipment used for glass manufacturing allow considerably to increase service life of basic production facilities and reduce both energy and manufacturing costs. At …

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  • POST-MORTEM CHARACTERISATION OF ALUMINA-C

    CO3: To know details about several aspects involved in production of steel like refractories, carbon footprint and India’s role in steelmaking CO4: To identify and choose a production methodology for a particular type of steel from given raw materials and set of conditions by applying theoretical knowledge and technological principles

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  • Int. Journal of Refractory Metals & Hard Materials

    2021-1-22 · XRD pattern for the production of WC from interrupted high energy ball milling of W and C, corresponding to (a) initial mixture, (b) 4 h, (c) 8 h and (d) 12 h of milling, at BPR of 10:1 and milling speed of 300 rpm, respectively. Fig. 1. W–C phase diagram [5]. 2 S. Bolokang et al./Int. Journal of Refractory Metals & Hard Materials xxx (2009 ...

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  • Production and Characterization of Clay Bonded

    2015-4-2 · The mechanical properties of clay bonded carbon refractory produced from Ifon clay and spent graphite electrode was investigated. This was carried out following American Society for Testing and Materials (ASTM) stipulated standards. The spent graphite electrode that was utilized was produced by grinding the graphite electrodes using a ball mil.

    Get Price
  • Ceramics - Industrial Minerals - XRD - Advancing

    2019-10-29 · XRD analysis for ceramic manufacturing. Recently, XRD specialists here analyzed samples of ball clay, kaolin, magnetite and feldspar with the ARL EQUINOX 100 X-ray Diffractometer to determine the phase composition in mineral samples used for the production of ceramic materials. A benchtop diffractometer, the ARL EQUINOX has been shown to be a ...

    Get Price
  • (PDF) Production and Characterization of Clay Bonded ...

    The mechanical properties of clay bonded carbon refractory produced from Ifon clay and spent graphite electrode was investigated. This was carried out following American Society for Testing and Materials (ASTM) stipulated standards. The spent

    Get Price
  • Int. Journal of Refractory Metals and Hard Materials

    2017-1-5 · Investigations in production scale with intentionally contaminated tungsten oxide showed that bronzes can ... Int. Journal of Refractory Metals and Hard Materials 62 (2017) 87–96 ⁎ Corresponding author at: Wolfram Bergbau und Hütten AG, 8543 St. Martin, Austria. ... XRD and SEM examination of powder bed after 5 min reduction time in dry ...

    Get Price
  • Int. Journal of Refractory Metals and Hard Materials

    2014-4-6 · An investigation of the fabrication of tungsten carbide–alumina composite powder from WO 3, Al and C reactants through microwave-assisted SHS process M. Sakakia,⁎, A. Karimzadeh Behnamib, M.Sh. Bafghib a Department of Materials Engineering, Faculty of Engineering, Malayer University, Malayer 65719-95863, Iran b School of Metallurgy and Materials Engineering, Iran University of …

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  • X-Ray diffraction (XRD) :: Anton Paar Wiki

    X-Ray diffraction is used for the investigation of crystalline materials. All crystalline materials have one thing in common: their components are arranged in a regular manner. Read on to get an introduction to X-ray diffraction and non-ambient X-ray diffraction

    Get Price
  • POST-MORTEM CHARACTERISATION OF ALUMINA-C

    2017-5-14 · 1 ton of steel [8,9]. During the production cycle about 35 % of the refractory materials are dissolved by the mol-ten metal and slags and the rest is landfilled or recycled [10]. Of course, any approach that raises the durability of the refractory materials saves raw material resources. Another possibility is the secondary utilisation of worn

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  • Refractory Ceramics of Clay and Alumina Waste

    2021-3-17 · The effective use of waste materials not only helps to solve a complex environmental problem such as pollution and the conservation of natural resources, but also produces materials with high added value. 2. Experimental Procedures Two clays (X and Y) and alumina waste (AW) were used as precursor raw materials for the production of test specimens.

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  • Refractory Calcium Phosphate-Derived Phosphorus

    2021-2-4 · Phosphorus as an essential nutrient for crops is widely applied in agriculture by a chemical phosphorus fertilizer (CPF), while, globally, phosphate rocks available for CPF production are limited and rapidly being depleted. Moreover, the low phosphorus use efficiency (PUE) of CPF entailing severely environmental burdens such as eutrophication is persistently addressed in agronomic pollution ...

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  • Int. Journal of Refractory Metals & Hard Materials

    2021-1-22 · XRD pattern for the production of WC from interrupted high energy ball milling of W and C, corresponding to (a) initial mixture, (b) 4 h, (c) 8 h and (d) 12 h of milling, at BPR of 10:1 and milling speed of 300 rpm, respectively. Fig. 1. W–C phase diagram [5]. 2 S. Bolokang et al./Int. Journal of Refractory Metals & Hard Materials xxx (2009 ...

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  • Development of Refractory Materials for Ladle Lining

    2020-9-30 · At the initial stage of production, the Refractory Materials for Ladle Lining of 120t ladle is made of alumina-magnesia machine-made bricks, the thickness of the bottom brick is 300 mm, and the thickness of the wall brick is 160 mm. In the early stage, the life of the ladle can be up to 90 furnaces when it is cast directly on the ladle.

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  • Refractory Ceramics of Clay and Alumina Waste

    2021-3-17 · The effective use of waste materials not only helps to solve a complex environmental problem such as pollution and the conservation of natural resources, but also produces materials with high added value. 2. Experimental Procedures Two clays (X and Y) and alumina waste (AW) were used as precursor raw materials for the production of test specimens.

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  • Development of AZS Refractories ... - Materials

    2006-4-13 · * commercial composition ** low amount of ZrO 2 *** AZS with SiC and MgO respectively All raw materials were dried at a temperature of about 110°C during 18 h, three grams of each one of the compositions presented in the Table 1, were mixed, homogenized and pressed to form specimens of 2.5 x 0.5 x 0.5 cm with 13350 N of load, sufficient to compact the dust and to obtain the samples.

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  • STUDIES ON PHASE FORMATION IN HIGH ALUMINA

    2013-12-10 · Aluminous Materials 11 2.2. Production of High Alumina Cement 12 2.3. Calcium Aluminate Phases present in CACs 13 ... Mineralogical or XRD (Quantitative) Analysis 38 4.3. Characterization of castable group D 48 4.3.1. Chemical Analysis 48 ... In the first generation of unshaped refractory the HACs were the one and

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  • Refractory Material Testing - Lab Testing Services for ...

    2020-3-5 · Refractory materials are basically inorganic non-metallic substances which are composed of thermally stable mineral aggregates, a binder phase, and additives. Refractory substances are supposed to be able to withstand the varying degrees of severity in terms of exposure to abrasive and corrosive solids, liquids, or gases at extremely high ...

    Get Price
  • Production and Characterization of Clay Bonded

    2015-4-2 · The mechanical properties of clay bonded carbon refractory produced from Ifon clay and spent graphite electrode was investigated. This was carried out following American Society for Testing and Materials (ASTM) stipulated standards. The spent graphite electrode that was utilized was produced by grinding the graphite electrodes using a ball mil.

    Get Price
  • Electrochemical reduction mechanism of several

    The dissolution characteristics and electrochemical reduction mechanism of oxides of refractory metals ZrO 2 , HfO 2 and MoO 3 in NaCl-KCl-NaF melts are studied. The results shows that there are no chemical reaction of ZrO 2 and HfO 2 in NaCl-KCl-NaF melts, the dissolution of MoO 3 is chemically dissolved, and MoO 3 reactwith melts to form Na 2 Mo 2 O 7 . The reduction process of zirconium in ...

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  • Use of Leaching Cake from Refractory Lining of

    materials (0.35-0.8 g/cm3), which have lower rates of chemical and physical resistance. Bricks with a high content of alumina, that is, alumina-silica refractory materials (chamotte), consisting mainly of mullite (3Al 2 O 3 5SiO 2) and the most resistant to the effects of melt components are used as the refractory materials …

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  • Refractory Corrosion Mechanisms in a Novel High

    2016-9-27 · The present paper presents the refractory design for a novel HCFeMn smelting furnace that, other than standard submerged arc furnaces, allows the processing of fine ores. A combination of basic and non-basic materials, comprising bricks, castables and ramming was chosen, under consideration of the unique furnace design and process conditions. Post-mortem investigations on refractory samples ...

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  • Int. Journal of Refractory Metals & Hard Materials

    2021-1-22 · XRD pattern for the production of WC from interrupted high energy ball milling of W and C, corresponding to (a) initial mixture, (b) 4 h, (c) 8 h and (d) 12 h of milling, at BPR of 10:1 and milling speed of 300 rpm, respectively. Fig. 1. W–C phase diagram [5]. 2 S. Bolokang et al./Int. Journal of Refractory Metals & Hard Materials xxx (2009 ...

    Get Price
  • Development of Refractory Materials for Ladle Lining

    2020-9-30 · At the initial stage of production, the Refractory Materials for Ladle Lining of 120t ladle is made of alumina-magnesia machine-made bricks, the thickness of the bottom brick is 300 mm, and the thickness of the wall brick is 160 mm. In the early stage, the life of the ladle can be up to 90 furnaces when it is cast directly on the ladle.

    Get Price
  • Refractory Material Testing - Lab Testing Services for ...

    2020-3-5 · Refractory materials are basically inorganic non-metallic substances which are composed of thermally stable mineral aggregates, a binder phase, and additives. Refractory substances are supposed to be able to withstand the varying degrees of severity in terms of exposure to abrasive and corrosive solids, liquids, or gases at extremely high ...

    Get Price
  • Refractory Metals | EPoS

    Refractory Metals Known for their exceptionally high melting temperatures and extreme physical characteristics refractory metals play a fundamental role in a wide variety of applications. Dense, mechanically resistant to high temperatures and conductive they are a keystone of modern technology.

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  • REACTION BONDED REFRACTORY METAL

    2010-5-3 · Reaction bonded refractory metal composites 1319 0.4 0.0 0.3 2.2 4.2 6.1 8.1 10.0 ANGLE ( degrees 2 theta ) [x 1O1] Fig. 3. XRD of pulverized niobium treated carbon rod (Cu-K, radiation NbC peaks are indexed, C

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  • Investigation of Corrosion Mechanisms between Copper

    copper production are chrome­corundum bricks or SiC­bricks, depending on type In this article the different interactions between molten copper and lead and various refractory materials are investigated by crucible tests. The refractory bricks were chrome­corundum resp. chrome­zirconia­ ... XRD of the crucible materials …

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  • Use of Leaching Cake from Refractory Lining of

    materials (0.35-0.8 g/cm3), which have lower rates of chemical and physical resistance. Bricks with a high content of alumina, that is, alumina-silica refractory materials (chamotte), consisting mainly of mullite (3Al 2 O 3 5SiO 2) and the most resistant to the effects of melt components are used as the refractory materials …

    Get Price
  • Vol. 5, Issue 6, June 2016 Reduce, Reuse and Recycling ...

    2020-12-1 · A refractory material is one that retains its strength at high temperatures. ASTM C71 defines refractories as 'non-metallic materials having those chemical and physical properties that make them applicable for structures, or as components of systems, that are exposed to environments above 1,000 °F (811 K; 538 °C)'. Refractory materials are

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  • Graphite Carbon Machining_XRD Graphite

    2019-1-3 · Graphite Components,custom graphite carbon machining parts manufacturered by our company-XRD Graphite Manufacturing Co.,Ltd.with many years of experience in graphite material production and research,our services have been for many countries,the scientific research institutions and large and medium-sized manufacturing enterprises,providing them with application solutions.

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  • Characterization of the Firing Steps and Phases

    2011-8-1 · 1. Introduction. The production of cement clinker is one of the most important industrial processes at world scale. Many technological innovations have been developed in order to increase the production at a lower cost, having in mind that the materials are exposed to …

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  • X-ray diffraction (XRD) | Rigaku Global Website

    2021-5-26 · From research to production and engineering, XRD is an indispensable method for materials characterization and quality control. Rigaku has developed a range of X-ray diffractometers, in co-operation with academic and industrial users, which provide the most technically advanced, versatile and cost-effective diffraction solutions available today.

    Get Price
  • X-ray diffraction (XRD) | Rigaku

    2021-5-23 · From research to production and engineering, XRD is an indispensable method for materials characterization and quality control. Rigaku has developed a range of X-ray diffractometers, in co-operation with academic and industrial users, which provide the most technically advanced, versatile and cost-effective diffraction solutions available today.

    Get Price
  • Int. Journal of Refractory Metals and Hard Materials

    2013-4-10 · Conversion of W 2C to WC phase during mechano-chemical synthesis of nano-size WC–Al 2O 3 powder using WO 3–2Al–(1+x)C mixtures M. Sakaki a,⁎, M.Sh. Bafghi b, J. Vahdati Khaki c, Q. Zhang d, F. Saito d a Department of Materials Engineering, Malayer University, Malayer, Iran b School of Metallurgy and Materials Engineering, Iran University of Science and Technology (IUST), Narmak, …

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  • Low Cement High Alumina Castables: Effect of

    2013-12-13 · Refractory materials used in various areas of the iron and steel industry need to face severe challenges to meet critical operational parameters at high temperatures. Hence, the attention of refractory manufacturers has shifted towards unshaped refractories to substitute for conventional and shaped ones.

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  • Magnesia-Zirconia Refractory Materials Eirich Aw Ard

    cess and will reduce production costs while The work concerns magnesia-calcium zirconate and magnesia-cal-cium zirconate-spinel refractory materials intended for use in cement industry. At the material design stage, the economic aspects, wear mechanism of materials and their thermomechanical properties were taken into account.

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  • PRECAST REFRACTORIES

    2014-8-8 · Allied’s pr ecast center, was founded in 1995, in Columbus, Ohio when it acquired American Precast Refractories. Since then, the precast center has become a leading supplier in the manufacture of precast, prefired refractory shapes in a variety of industries.

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  • IOP Conference Series: Materials Science and Engineering ...

    refractory clay raw materials for the production of aluminosilicate proppants, which include mineralogical (the content of kaolinite is not less than 65% by weight, the content of free quartz is not more than 15% by weight), the chemical (Al. 2. O. 3. content in the calcined state, not less than 35% by

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  • Elaboration of a high mechanical performance

    The result of this study corroborates previous work on silico-aluminous refractory by Sadik et al., 2013 and shows that the addition of aluminous refractory waste, rich in mullite, allows both to obtain a high mechanical high performance refractory while solving a problem of solid waste storage.

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  • LEJPT Template

    Effects of Alumina Cement on the Refractory Properties of Leached Ipetumodu Clay . Davies Oladayo FOLORUNSO 1,2*, Peter Apata OLUBAMBI 2,3, and Joseph Olatunde BORODE 1,2. 1 Department of Metallurgical and Materials Engineering, Federal University of Technology, Akure, Nigeria. 2 Africa Materials Science And Engineering Networks: A Carnegie-IAS (RISE) Networks

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  • Material Science | News | Materials Engineering | News

    Material Science news, applications, product information, and interviews. Browse the latest Engineering Materials news.

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