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refractory materials using method

  • Increase refractory materials anti damage ability by ...

    2019-12-30 · Flame gunning method of flame gunning refractory products, powder particles melt in the liquid or gaseous fuel flame, and was sent to the surface to be repaired. At this point the masonry was nozzle flame supplementary heating, so using this method may not have special restrictions on temperature is put forward in this paper, and can adopt ...

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  • US20040106509A1 - Refractory raw materials, method

    Refractory raw materials, method for production thereof and refractory using the material Download PDF Info Publication number US20040106509A1. US20040106509A1 US10/469,532 US46953203A US2004106509A1 US 20040106509 A1 US20040106509 A1 US 20040106509A1 US 46953203 A US46953203 A US 46953203A US 2004106509 A1 US2004106509 A1 US 2004106509A1

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  • RH systems using refractory materials ~ LONTTO

    2020-3-2 · modeling refractory materials—if challenges to applying DEM for continuous problems are overcome. R efractory materials are required to keep their structural stability when subjected to extreme mechanical and chemical environments. Thermal shock spalling, corro-sion, creep, and other complex phenomena may take place while using them. Therefore,

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  • Discrete element modeling— A promising method for ...

    2011-9-3 · Materials. Experiments were performed using one composition of refractory concrete. The base mix refractory concrete is corundum based, containing corundum as refractory aggregate (75 wt%; particle size: 0–1, 1–3, 3–5 mm) and CAC as hydraulic binder (15 wt%). A spinel, MgO·Al 2 O 3, was used as an additive in concrete mixture.

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  • Dehydration investigations of a refractory concrete

    2021-5-16 · Direct fusion method was used for determination of 10 B 11 B ratios in various advanced refractory materials, alloys and rare-earth metal borides by Thermal ionization Mass Spectrometry(TIMS). The samples were fused with sodium carbonate directly on the filament for formation of Na 2 BO 2 + .

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  • Fusion method for sample preparation for isotopic ...

    The main point of the present invention is a novel method for gunning a refractory composition for obtaining a lining body having high density and high strength by premixing a refractory...

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

    2020-10-15 · production of clay bricks is one of the ways refractory materials are produced. The clay used here was Nsu clay. This work looked at the compressive strength of refractory bricks which is one of the properties of refractory materials. The work eliminates the traditional methods of trial and error

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  • US4981731A - Method for gunning a refractory

    2020-5-1 · Additionally for refractory materials of lithium which are difficult to dissolve, chemical treatment using sodium borate fusion fluxes comparable to the fusion method used for determination of isotopic composition (IC) of boron in ceramic materials could be used.

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  • Refractory raw materials, method for production

    Refractory raw materials, method for production thereof and refractory using the material . United States Patent 7060642 . Abstract: Refractories obtained by molding a refractory raw material composition containing a refractory raw material including graphite grains having an average grain size of 500 nm or less or a refractory raw material ...

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  • RH systems using refractory materials ~ LONTTO

    2021-4-21 · RH refining method is the German steel company Ruhrstahl and Heraens joint in 1958 the successful development of the vacuum cycle degassing method. RH refining technology because of its good degassing effect, less cooling, wide application and so on, so far the world has been widely used in iron and steel industry.

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  • Thermal Shock Testing of Refractory Materials Using

    2012-4-12 · The method of thermal shock testing by an electron beam is introduced for ceramic refractory materials within this article. Finally, the material degradation of a carbon bonded MgO refractory material due to thermals shocks, applied with the electron beam, is presented.

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  • Discrete element modeling— A promising method for ...

    2020-3-2 · modeling refractory materials—if challenges to applying DEM for continuous problems are overcome. R efractory materials are required to keep their structural stability when subjected to extreme mechanical and chemical environments. Thermal shock spalling, corro-sion, creep, and other complex phenomena may take place while using them. Therefore,

    Get Price
  • Thermal Expansion Measurement of Refractory

    Thermal Expansion Measurement of Refractory Materials - Test Method - BS 1902:5 Overview Determination of the expansion of refractory test bar with temperature by displacement, using a correction for instrumental expansion.

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  • Refractory Materials - htl-enertherm.eu

    Refractory materials include dense shaped refractory products, refractory bricks and insulating bricks, fiber-based refractory products as well as unshaped products. At Fraunhofer-Center HTL, refractory materials with optimized property profiles are developed to identify and deliver resource and energy-efficient solutions for various fire-proof applications.

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

    The feasibility of clays and refractory materials analysis by direct introduction of slurries in an inductively coupled plasma optical emission spectrometry (ICP-OES) 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 uses two independent variables ...

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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

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  • AGC Plibrico Monolithic Refractories

    2019-6-28 · AGC Plibrico Gunning Materials (THERVEK) 1 AGC Plibrico considers the gunning application method to be the most economical application method for monolithic refractories, and has a particular preference for this method. Through the development of methods that were conventionally considered impossible, such as dry gunning of low cement castable

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  • Hot-wire method of determining the thermal

    The advantages of the hot-wire method of determining the thermal conductivity of refractory products lie in the fact that it makes it possible to determine the true thermal conductivity directly in relation to a given temperature of the specimen. This fact distinguishes this method favorably from the methods based on the use of tablets and cylinders in which the thermal conductivity is related ...

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  • RH systems using refractory materials ~ LONTTO

    2021-4-21 · RH refining method is the German steel company Ruhrstahl and Heraens joint in 1958 the successful development of the vacuum cycle degassing method. RH refining technology because of its good degassing effect, less cooling, wide application and so on, so far the world has been widely used in iron and steel industry.

    Get Price
  • Method of flame spraying refractory material -

    The refractory oxide materials used can vary over a wide range of mesh gradings and still produce an acceptable refractory mass. High quality masses are obtained using refractory grains screened -10 to dust USS and containing as low as 2% -200 mesh USS.

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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
  • Testing > Refractory

    Standard Test Method for Sonic Velocity in Refractory Materials at Room Temperature and Its Use in Obtaining an Approximate Young's Modulus ASTM C1445 Standard Test Method for Measuring Consistency of Castable Refractory Using a Flow Table

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  • Combustion joining of refractory materials:

    2009-8-31 · specifications. The combustion-joining (CJ) method, which will be described further, is an attractive approach for bonding refractory materials. Advances in materials joining using combustion phenomena have been dis-cussed in detail in a recent review.4 Selecting an appropriate joining method …

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  • ISO - 81.080 - Refractories

    Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) — Part 1: Apparatus, reagents, …

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  • Natural-mixing guided design of refractory high

    2020-8-24 · A refractory high-entropy alloy was designed with the composition chosen based on the natural-mixing characteristics among refractory elements; this …

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  • Purification of Kaolin-Ceramic Refractory Materials

    2021-3-28 · Of course, magnetic sepration method and other methods together can do a better job in purification of kaolin. 2. application of Kaolin in ceramic refractory materials. The origin of the name 'porcelain clay' is closely related to the porcelain industry. Data shows that it is still most widely used in the ceramic industry.

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  • Optimizing the alkaline oxidation pretreatment of a ...

    2020-5-14 · Materials Research Express PAPER Optimizing the alkaline oxidation pretreatment of a refractory gold ore using taguchi orthogonal array method To cite this article: Foad Mahmoodi and Asghar Azizi 2018 Mater. Res. Express 5 126516 View the article online for updates and enhancements. Recent citations Synergistic effect of reduction leaching of

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  • Noble metal-refractory metal alloys as catalysts and ...

    5. The method of claim 1 wherein the noble metal is platinum. 6. The method of claim 1 wherein the refractory metal is tungsten, aluminum, titanium, silicon, cerium, strontium, or combinations thereof. 7. The method of claim 6 wherein the surface area of the resulting alloy is …

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  • HOW TO CLASSIFY REFRACTORY MATERIALS

    2019-2-4 · The best method to classify the refractory materials is on the basis of their chemical behavior, i.e. their reaction to the type of slags. Accordingly we have three categories of Refractory materials: Acid, Basic & Neutral. Apart from these we can classify refractories into few more

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  • Refractory spraying material construction method

    Refractory spraying material construction method,Spray repair construction was first developed for converters, and then gradually applied to blast furnace bodies, torpedo tankers, electric furnaces, ladles, vacuum degassing devices, etc.

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  • RH systems using refractory materials ~ LONTTO

    2021-4-21 · RH refining method is the German steel company Ruhrstahl and Heraens joint in 1958 the successful development of the vacuum cycle degassing method. RH refining technology because of its good degassing effect, less cooling, wide application and so on, so far the world has been widely used in iron and steel industry.

    Get Price
  • The Molding Methods of Refractory Materials -

    2016-10-14 · Refractory materials have many molding methods, in addition to pressure molding method, contain the vibration molding, ramming molding, plastic molding, slip casting molding, casting molding, hot press molding and hot die casting molding, etc.. Vibration molding; Vibration molding is to use the mud material under the action of vibration, dynamical friction instead of static friction, inner mud ...

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  • Method of flame spraying refractory material -

    The refractory oxide materials used can vary over a wide range of mesh gradings and still produce an acceptable refractory mass. High quality masses are obtained using refractory grains screened -10 to dust USS and containing as low as 2% -200 mesh USS.

    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 ...

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  • Prediction of Effective Thermal Conductivity of Refractory ...

    ing refractory materials by the hot-wire method at tem-peraturesupto800°CwaspresentedearlierbyTomeczek and Suwak 29. In the present work, the thermal conductivity of the coked samples of dimensions 223 mm × 122 mm × 68 mm was measured in the range from room temperature up to 1000 °C using the parallel hot-wire technique according

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  • Additive Manufacturing Using Refractory Metals

    2017-5-12 · A 3D-printed collimator. Rapid Prototyping. Using 3D printing and other additive manufacturing techniques, it is possible to design a product and create a sample in a fraction of the time taken when compared to conventional manufacturing.

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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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  • Determination of Nitrogen and Oxygen in Refractory

    2018-6-14 · Other refractory metals, such as tantalum, zirconium, rhenium, molybdenum, niobium, and hafnium are usually abraded, rinsed with a solvent (for example, acetone), and dried using warm air. All traces of the solvent should be carefully eliminated before the analysis.

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  • refractory materials for casting temperature applications

    Refractory, Definition, Types, Materials and . 2020-12-3 · for evaluation based on refractory composition (Table 2). Specifically, the composition was selected to evaluate the effect of replacing SiO 2 by CaO to increase the corrosion resi stance of refractory materials.

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  • Choosing a Plibrico Refractory Installation Method | TFL

    2018-10-19 · Pro Tip: Each refractory installation method has pros and cons, but the risks can be mitigated by hiring an experienced installation team and using top quality materials. Choosing an Installation Method. Proper refractory installation is vital to achieving a quality refractory lining. Choosing the right installation method comes down to several ...

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  • Commonly Used Refractory Materials Introduction -

    Unshaped Refractory Materials. Clay castable, using refractory clay clinker as aggregate, adding alumina powder and soft clay binder. According to the formula ratio, it is prepared by mixing with a mixer for more than 5 minutes. ... Classification by use is a fairly widely adopted method, such as blast furnace refractory materials or oxygen ...

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  • Thermal Shock Testing of Refractory Materials Using

    2012-4-12 · The method of thermal shock testing by an electron beam is introduced for ceramic refractory materials within this article. Finally, the material degradation of a carbon bonded MgO refractory material due to thermals shocks, applied with the electron beam, is presented.

    Get Price
  • 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 Material Testing Laboratory | Sigmatest

    The standard for refractory materials restricts compressive creep for normal working conditions to no more than 0.3 per cent in the first 50 hours. Test Method: IS: 1077-1992, IS: 10570-1983 Tags : Refractory Material Testing Lab in Bengaluru | Refractory Material Testing Lab in Tamil Naidu

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  • Refractory Testing - ccrtlab.com

    Sr. No. Test Parameter Test Method Reference Code; 1: Abrasions resistance of Refractory materials at room temperature: ASTM C-704, IS: 1528 (Part-23)2011: 2: Size and bulk density of refractory brick and insulating firebrick: ASTM C-134, IS: 1528 (Part-12)2007,

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  • Preparation of refractory calcium aluminate cement

    The X-ray diffraction analysis of some materials did not indicate significant differences in terms of proportions of the phases. Therefore, the cements were analyzed semi-quantitatively, using the Rietveld method to help interpret the results. This analysis involved only the CA 2-cements. The results of this analysis are shown in Table 2.

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  • ISO 12677:2011(en), Chemical analysis of refractory ...

    This International Standard specifies a method for the chemical analysis of refractory and technical ceramic raw materials, intermediates and products, by means of the X-ray fluorescence (XRF) fused cast-bead method. Typical materials that can be analysed by this standard are given in Clause 3. This International Standard is not applicable to ...

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  • Duplicating and refractory materials used in

    2016-7-25 · Refractory materials The rapid growth in use of cast removable partial dentures , the increased use of higher melting alloys and the use of less expensive base metal alloys have resulted in an increased use of phosphate or silicabonded refractory material. www.indiandentalacademy.comwww.indiandentalacademy.com

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  • Refractory Standards - ASTM

    Standard Test Method for Sonic Velocity in Refractory Materials at Room Temperature and Its Use in Obtaining an Approximate Young's Modulus: C1548 - 02(2020) Standard Test Method for Dynamic Young’s Modulus, Shear Modulus, and Poisson’s Ratio of Refractory Materials by Impulse Excitation of …

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  • Refractory spraying material construction method

    Refractory spraying material construction method,Spray repair construction was first developed for converters, and then gradually applied to blast furnace bodies, torpedo tankers, electric furnaces, ladles, vacuum degassing devices, etc.

    Get Price
  • High-Temperature Corrosion of Refractory Materials

    2019-5-25 · When biomass and waste fuels are burned, alkalis and chlorine may form corrosive vapors and deposits, which can cause corrosion of boiler refractories. A laboratory method for studying refractory deterioration at temperatures and conditions relevant for biomass and waste fuel combustion was developed. Alumina refractory samples were exposed to a K2CO3–KCl mixture at 800 and 1000 °C …

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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
  • Using Castable Refractory Concrete In The Field -

    2020-1-1 · Using Castable Refractory Concrete In The Field Finding and choosing a castable refractory concrete appropriate for use in heater construction can be difficult. Requirements are: high density, large aggregate and high tolerance to thermal shock.

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  • Heat Transfer Analysis and Estimation of Refractory Wear ...

    using iterative solution method. Maximum hearth erosion is estimated as the most severe location of 1150°C isotherm experienced or to be experienced during the campaign. To accomplish this estimation, moving boundary (hot metal– refractory interface) approach is used in which thermal properties of refractory materials is sequentially replaced

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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.

    Get Price
  • Determination of Nitrogen and Oxygen in Refractory

    2018-6-14 · Other refractory metals, such as tantalum, zirconium, rhenium, molybdenum, niobium, and hafnium are usually abraded, rinsed with a solvent (for example, acetone), and dried using warm air. All traces of the solvent should be carefully eliminated before the analysis.

    Get Price
  • Design of high-strength refractory complex solid

    2018-3-28 · Using electronic alloy design concepts and criteria, we identified higher-strength refractory (Mo-W)-Ta-(Ti-Zr) alloys from materials physics and engineering perspectives.

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  • Modification of CaO Refractory for Melting Titanium

    CaO is a promising refractory for melting TiNi shape memory alloys, the carbon contamination can be avoid by using CaO crucible instead of carbon crucible. However, its industrial application is limited by the easy hydration of CaO in the air. In this study, the hydration resistance of CaO is modified by the addition of ZrO2, the powder of CaO adding 6.0 to 15.0mol% ZrO2 and 2.0mol% TiO2 is ...

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