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ground refractory materials using method

  • refractory materials for casting using method

    Refractory, Definition, Types, Materials and . A method and process for producing a yttrium oxide metal casting refractory composition is disclosed. Powdered Y 2 O 3 is combined with a sintering agent (preferably V 2 O 5 ) and an organic binder. The mixture is sintered and ground to produce a …

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  • Refractory, Definition, Types, Materials and

    2020-7-4 · A porous ceramic based on clay and nonplastic aluminosilicate raw material of Uzbekistan was prepared by slip casting. Molding was conducted using a foaming agent — technical foam and sawdust, which stabilized the structure, followed by firing at 1300 – 1350°C. The effect of different fillers on the physical and technical properties and microstructure of the samples was studied after ...

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  • Refractory Materials Classified | African Pegmatite

    2016-8-8 · The system was subjected to abrupt cooling to also help activate the minerals The activated material was ground in a 100-liter mill in the alkaline pH range, the grinding operation being carried out by a method that involves adding the material to the mill ... Ceramic and Refractory Materials: Collected Works, Vol. 2 of 3, Stroiizdat SPb, St ...

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  • Preparation of Highly Porous Materials based on

    Disposal of waste refractory materials Dec 09, 2020. 1. Remove soil, dust and adulterants from waste refractory materials. For the sorted waste materials, if there are dust, mud and other debris on the surface, they must be removed manually. Workers pick out the adulterants and wash them with water to remove the dirt and dust on the surface.

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  • Heat-Insulating Properties of Refractory Materials

    2019-2-4 · Powdered or finely ground refractory preparation which becomes plastic and trowel able when tempered with water and is suitable for laying and bonding refractory bricks. Patching Mass. These are powdered refractory materials mixed with water and/or added with a binder, and with adequate plasticity that can be patched in a place.

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  • Disposal of waste refractory materials - Technical

    This part of ISO 13765 describes a method for the determination of the consistency of refractory mortars using a penetrating cone. 2 Normative references The following referenced documents are indispensable for the application of this document.

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  • TYPE OF MONOLITHIC REFRACTORIES - idc-online.com

    2021-5-10 · new method presented in this paper is ap- plied on refractory materials, it is worth men- tioning that it can be used to determine the Young's modulus of any material. 2 Material and experimental methods 2.1 Materials This contribution has been performed in the framework of a French ANR project dealing with the degradation Of refractory materials

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  • Refractory, Definition, Types, Materials and

    2021-5-27 · Refractory materials are used in some high-intensity and highly industrial applications, requiring robust protective materials. These applications range from furnaces and kilns to incinerators, and even reactors. Refractories are used to make crucibles and similar uses like moulds for casting glass, metals and for flame retardant and heat deflecting surfaces for even as high temperature as ...

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  • Refractory Materials for Flame Deflector Protection

    2020-8-6 · Refractory Materials for Flame Deflector Protection ... ground support equipment (GSE), and personnel. As the name implies, the system was designed to diverts ... All three materials were applied by the gunite method and then sectioned to the appropriate size for physical testing. Samples of each material were prepared by an off site contractor ...

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  • The method of obtaining porous refractory material

    The disadvantage of this method is the low strength characteristics and a relatively high density of the material obtained. The closest technical solution to the claimed invention is a method of obtaining porous refractory material (cellular concrete) according to EN 2064472, CL 04 In 38/02, 1996 (prototype).

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  • Direct analysis of clay and refractory materials slurries ...

    First published on 22nd September 2006. The feasibility of clays and refractory materials analysis by direct introduction of slurries in an inductively coupled plasma optical emission spectrometry with axial viewing using the simplified generalized standard additions method (GSAM) was evaluated.The adopted approach is a multivariate extension of the conventional standard additions method, and ...

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  • Refractory Lining Materials Testing - Metso Outotec

    2016-2-24 · Testing of the durability of refractory materials in a specific chemical environment can be done at laboratory scale. This makes it possible to follow the melt-refractory reactions in small volume instead of at full scale. With well-chosen, valid refractory grades longer campaigns can be …

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  • IS 10570 (2011): METHODS OF TESTING REFRACTORY

    2018-11-15 · IS 10570 : 2011 2 3.2.1.2 Insulating castable — Bulk density having a maximum of 1.85 g/cc (Measured as per 8.3.2 and 8.3.4). 3.2.2 Low Cement Castable Type-II — A castable containing calcium oxide greater than 1.0 percent and maximum of 2.5 percent on a calcined basis.

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  • Wear Mechanisms of Carbon-Based Refractory Materials

    However, practical refractory materials are by no means pure materials and contain secondary phases and porosity which can be expected to affect reaction with slag. In Part II, such reactions are examined experimentally, in cup and wettability tests, using com-mercially available carbon block and cold-ramming paste refractory materials and mainly

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  • Method of processing scrap of refractory,

    Method of processing scrap of refractory, construction and ceramic materials for production of ceramic balls and ceramic ball ... Note here that crushed scrap is ground together with quartz-feldspar sand with 50 and more weight percent of particles feature the sixe of 10 mcm and smaller to allow 0.044 mm-oversize in amount of not over 0.3 wt ...

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  • Wettability between 304 stainless steel and refractory ...

    2020-5-1 · In the current study, the wettability between 304 stainless steels and refractory materials was investigated using the sessile drop method in a reducing atmosphere at 1550 °C. The contact angle between the stainless steel and the original refractory was 133°, and was 126° between the stainless steel and the used refractory.

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  • First-principle calculation investigation of NbMoTaW

    2020-6-25 · In this work, a series of supercell model containing 4, 10, 20 and 10 atoms were built, and they were expanded to 1 × 1 × 2 and 1 × 1 × 5 on the basis of a single cell. All the calculations were performed using CASTEP module, which depended on the first-principle plane-wave pseudopotential method based on density functional theory (DFT).

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  • International Journal of Refractory Metals & Hard Materials

    2018-6-6 · International Journal of Refractory Metals & Hard Materials 72 (2018) 157–162 ... grain size was measured by linear intercept method using field emission scanning electron microscopy (FESEM) micrographs obtained with a ... ground and diamond polished up to mirror-like surface finish following

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  • IS 10570 (2011): METHODS OF TESTING REFRACTORY

    2018-11-15 · IS 10570 : 2011 2 3.2.1.2 Insulating castable — Bulk density having a maximum of 1.85 g/cc (Measured as per 8.3.2 and 8.3.4). 3.2.2 Low Cement Castable Type-II — A castable containing calcium oxide greater than 1.0 percent and maximum of 2.5 percent on a calcined basis.

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  • Refractory Materials for Flame Deflector Protection

    2020-8-6 · Refractory Materials for Flame Deflector Protection ... ground support equipment (GSE), and personnel. As the name implies, the system was designed to diverts ... All three materials were applied by the gunite method and then sectioned to the appropriate size for physical testing. Samples of each material were prepared by an off site contractor ...

    Get Price
  • Refractory Lining Materials Testing - Metso Outotec

    2016-2-24 · Testing of the durability of refractory materials in a specific chemical environment can be done at laboratory scale. This makes it possible to follow the melt-refractory reactions in small volume instead of at full scale. With well-chosen, valid refractory grades longer campaigns can be …

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  • UNTRADITIONAL SYNTHESIS OF BORON-CONTAINING

    2020-11-5 · 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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  • Direct analysis of clay and refractory materials slurries ...

    First published on 22nd September 2006. The feasibility of clays and refractory materials analysis by direct introduction of slurries in an inductively coupled plasma optical emission spectrometry with axial viewing using the simplified generalized standard additions method (GSAM) was evaluated.The adopted approach is a multivariate extension of the conventional standard additions method, and ...

    Get Price
  • Wear Mechanisms of Carbon-Based Refractory Materials

    However, practical refractory materials are by no means pure materials and contain secondary phases and porosity which can be expected to affect reaction with slag. In Part II, such reactions are examined experimentally, in cup and wettability tests, using com-mercially available carbon block and cold-ramming paste refractory materials and mainly

    Get Price
  • (PDF) Understanding Refractory API 936 ICP | Charlie

    Charlie Chong Fion Zhang air-ramming [2]: A method of forming refractory shapes, furnace hearths, or other furnace parts by means of pneumatic hammers. air-setting refractories: Compositions of ground refractory materials which develop a strong bond at air ambient temperatures by virtue of chemical reactions within the binder phase that is ...

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  • Method of processing scrap of refractory,

    Method of processing scrap of refractory, construction and ceramic materials for production of ceramic balls and ceramic ball ... Note here that crushed scrap is ground together with quartz-feldspar sand with 50 and more weight percent of particles feature the sixe of 10 mcm and smaller to allow 0.044 mm-oversize in amount of not over 0.3 wt ...

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  • Surface oxidation mechanism of a refractory high

    2019-5-9 · High-entropy alloys (HEAs) synthesized using refractory elements are being strongly considered as candidates for high temperature structural applications. The …

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  • IS 10570 (2011): METHODS OF TESTING REFRACTORY

    2018-11-15 · IS 10570 : 2011 2 3.2.1.2 Insulating castable — Bulk density having a maximum of 1.85 g/cc (Measured as per 8.3.2 and 8.3.4). 3.2.2 Low Cement Castable Type-II — A castable containing calcium oxide greater than 1.0 percent and maximum of 2.5 percent on a calcined basis.

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  • (PDF) Understanding Refractory API 936 ICP | Charlie

    Charlie Chong Fion Zhang air-ramming [2]: A method of forming refractory shapes, furnace hearths, or other furnace parts by means of pneumatic hammers. air-setting refractories: Compositions of ground refractory materials which develop a strong bond at air ambient temperatures by virtue of chemical reactions within the binder phase that is ...

    Get Price
  • Refractory Lining Materials Testing - Metso Outotec

    2016-2-24 · Testing of the durability of refractory materials in a specific chemical environment can be done at laboratory scale. This makes it possible to follow the melt-refractory reactions in small volume instead of at full scale. With well-chosen, valid refractory grades longer campaigns can be …

    Get Price
  • An Introduction to the Types of ... - Materials

    2002-5-10 · Coating refractories are used to safeguard refractory linings typically against chemical attack. These products are typically used to cover only the working surface of a lining. Coating refractories have fairly thin layers. Refractory Mortars. Mortars contain finely ground refractory materials that are blended with water to create a paste.

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  • METHODS TO ASSESS THE IMPACT OF POLLUTANTS

    2019-12-9 · atmosphere by the producers of refractory materials, highlighting the practical application of these methods by HELIOS Astileu. The Gaussian air pollutant dispersion equation (discussed above) requires the input of H which is the pollutant plume's centerline height above ground level—and H is the sum of Hs (the actual physical height of the ...

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  • Materials formed by refractory grains bound in a

    Refractory materials formed from refractory grains bonded by a sialon matrix containing dispersed graphite and/or boron nitride particles and a process for the preparation of these materials: 1993-05-18: Schoennahl: 5185300: Erosion, thermal shock and oxidation resistant refractory compositions: 1993-02-09: Hoggard et al. 4871698: Carbon bonded ...

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  • Refractory supports - Foseco International Limited

    15. A method of making a refractory support according to claim 14 wherein steps (ii) and (iv) are carried out at different stations. 16. A method of making a refractory support according to claim 13 wherein step (i) is practiced so that the solid portion weighs between 2 and 5% of the aqueous slurry. 17.

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  • Chimneys and Refractories International Indonesia -

    2019-1-20 · Selection of suitable refractory materials, steel supports and anchors according to material properties and imposed operating conditions; B) Construction at site using qualified team and equipments. Planning of site activities; Brick linings installation by wide experienced team; Abrasion resistant linings applied by hand packing method ...

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  • Alumina-magnesia spinel for refractories synthesized

    1993-3-1 · @article{osti_7271706, title = {Alumina-magnesia spinel for refractories synthesized from natural raw materials}, author = {Moore, R E and Monton, B S}, abstractNote = {Spinel is proving to be a high quality refractory for specific applications. Synthesis of spinel in this study involved using either diaspore or bauxite in its raw form. The diaspore was obtained from a central Missouri deposit ...

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  • Welcome to Takahashi Laboratory New Recycling ...

    2009-1-26 · (2) New Recycling Method for Dehydration Cake from Semiconductor Factories : Creation of highly-functional Ground Materials. A large amount of dehydration cake is discharged from semiconductor factories. However, as high concentration fluorine is generally contained in this dehydration cake, it is impossible to recycle the cake as ground materials.

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  • Wear Mechanisms of Carbon-Based Refractory Materials

    2015-2-9 · However, practical refractory materials are by no means pure materials and contain secondary phases and porosity which can be expected to affect reaction with slag. In Part II, such reactions are examined experimentally, in cup and wettability tests, using com-mercially available carbon block and cold-ramming paste refractory materials and mainly

    Get Price
  • Refractory Materials for Flame Deflector Protection

    2020-8-6 · Refractory Materials for Flame Deflector Protection ... ground support equipment (GSE), and personnel. As the name implies, the system was designed to diverts ... All three materials were applied by the gunite method and then sectioned to the appropriate size for physical testing. Samples of each material were prepared by an off site contractor ...

    Get Price
  • Clay and refractory materials slurries in inductively ...

    2005-4-6 · The clays and refractory materials mixed with the chemical modifier were ground for 2 h using a high impact ball mill with a tungsten carbide grinding container and balls. Slurries were prepared by dispersing the modified clays and refractory materials in 10% v v -1 HNO 3 solution and by shaking them in an ultrasonic bath to ensure good dispersion.

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  • Material testing laboratory & Refractory Testing in

    The standard for refractory materials restricts compressive creep (deformation at a given time and temperature under stress) for normal working conditions to no more than 0.3 percent in the first 50 hours. Test Method: IS: 1077-1992, IS: 10570-1983

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  • METHODS TO ASSESS THE IMPACT OF POLLUTANTS

    2019-12-9 · atmosphere by the producers of refractory materials, highlighting the practical application of these methods by HELIOS Astileu. The Gaussian air pollutant dispersion equation (discussed above) requires the input of H which is the pollutant plume's centerline height above ground level—and H is the sum of Hs (the actual physical height of the ...

    Get Price
  • Some properties of heat-setting refractory mortars

    2012-4-16 · There are four materials ordinarily used for bonding fire-clay bricks or refractory shapes. Ground plastic fire clay was the generally ac­ cepted medium for many years, but with the improvement in refrac­ tories, the heat-setting mortar and the wet and dry types of air­ setting mortars were developed and marketed. Federal specifications

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  • Alkali Borate Fusion Fluxes - Alfa

    2015-10-9 · The analysis of refractory materials can be reduced to a simple, accurate procedure with the use of Spectroflux analytical fluxes. Fusion with a molten alkali metal borate flux provides a rapid and simple means of dissolving chemically stable materials to yield glass-like, solid solutions. The method eliminates inhomogeneity of particle

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  • is - Pyrometallurgy

    2015-2-27 · In this study, mechanisms responsible for wear of taphole refractory are investigated using the stationary crucible test method. Crucibles made of micropore carbon block or prebaked cold ramming paste were filled with industrial SiMn slag and heated for 4 hours in an argon atmosphere at 1400°C, 1500°C or 1600°C using an inductionfurnace.

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  • Chimneys and Refractories International Indonesia -

    2019-1-20 · Selection of suitable refractory materials, steel supports and anchors according to material properties and imposed operating conditions; B) Construction at site using qualified team and equipments. Planning of site activities; Brick linings installation by wide experienced team; Abrasion resistant linings applied by hand packing method ...

    Get Price
  • ASTM C311 C311M - 18 Standard Test Methods for

    C430 Test Method for Fineness of Hydraulic Cement by the 45-m (No. 325) Sieve. C441/C441M Test Method for Effectiveness of Pozzolans or Ground Blast-Furnace Slag in Preventing Excessive Expansion of Concrete Due to the Alkali-Silica Reaction. C604 Test Method for True Specific Gravity of Refractory Materials by Gas-Comparison Pycnometer

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