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specific heat refractory materials using method

  • A noncontact measurement technique for the

    2020-1-24 · A noncontact easurement technique for the specific heat and total hemispherical emissivity of undercooled refractory materials Aaron J. Rulisona) and Won-Kyu Rhim Jet Propulsion Laboiatory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, ... radiance is converted to temperature using the method de-

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  • THERMAL PROPERTIES OF REFRACTORY

    @article{osti_4057310, title = {THERMAL PROPERTIES OF REFRACTORY MATERIALS}, author = {Lehman, G W}, abstractNote = {A pulse heating method for measuring the specific heat of conductors from near absolute zero to their melting point is described. Results obtained on copper, iron molybdenum, tantalum, and rhenium are reported. They indicate that the pulsed heating method gives specific heat …

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  • Refractory and insulating materials - ScienceDirect

    1982-1-1 · Insulating materials owe their low conductivity to their pores, while their heat capacity depends on the weight per unit volume of solids, and of course its specific heat. One of the most widely used materials is diatomite, also known as kieselguhr, which is made up of a mass of skeletons of minute aquatic plants – deposited thousands of ...

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  • The Properties of Refractory and Heat Insulation

    2014-11-11 · Specific questions that arise in practical work between the producers of the materials and the metallurgists using these materials, together with physical aspects of properties, are addressed. One example is the relativity of thermal conductivity measurements, depending on the principle of measurement, testing procedure, …

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  • Introduction to the Characteristics of

    2013-10-3 · Specific heat – The specific heat is a material and temperature related energy factor and is determined with the help of calorimeters. The factor indicates the amount of energy (calories) needed to raise the temperature of one gram of material by 1 deg C. Compared to water, the specific heats of refractory materials are very low.

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  • Compendium of Thermophysical Property

    2009-3-20 · OF REFRACTORY MATERIALS W.R. Davis 1. General Introduction 255 2. General Outline of the Method 260 ... SPECIFIC HEAT MEASUREMENT METHODS SPECIFIC HEAT: AN INTRODUCTION 457 ... References 521 CHAPTER 13. HEAT-CAPACITY CALORIMETRY BY THE METHOD OF MIXTURES David A. Ditmars 1. Introduction 527 2. Fundamental Considerations 527 3. The Method …

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  • Method for making refractory material

    EFFECT: higher service durability of the refractory material, method simplification. 1 tbl The invention relates to the production of refractories, and in particular to methods for refractory sealing and coating materials, and can be used for production of sealing, dividing, sealing, etc. products in the form of tapes, cords, plates, profiles ...

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  • FURNACES AND REFRACTORIES - Modern Eq

    2019-9-4 · Refractory chamber constructed of insulating materials to retain heat at high operating temperatures. Hearth to support or carry the steel, which consists of refractory materials supported by a steel structure, part of which is water-cooled. Burners that use liquid or gaseous fuels to raise and maintain the temperature in the chamber.

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  • Method of manufacture of refractory crucible

    A known method of manufacturing a multilayer refractory crucible, includes mounting template, consistent stuffing those who noisolation layer of asbestos fabric, refractory concrete and kaolinovo wool, pressed and Packed in pouches of fiberglass and a layer between layers of flexible moisture-permeable material, and at the final stage of the ...

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  • Refractories: Properties and Types | Engineering

    2 天前 · In this article we will discuss about:- 1. Meaning of Refractories 2. Properties of Refractories 3. Refractory Fibres 4. Uses. Meaning of Refractories: . The term refractories embraces all materials used in the arts for the construction of heat resisting containers, using the word in its broadest sense, whether it be to afford space for the evolution of …

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  • Introduction to the Characteristics of

    2013-10-3 · Specific heat – The specific heat is a material and temperature related energy factor and is determined with the help of calorimeters. The factor indicates the amount of energy (calories) needed to raise the temperature of one gram of material by 1 deg C. Compared to water, the specific heats of refractory materials are very low.

    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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  • Compendium of Thermophysical Property

    2009-3-20 · IV. SPECIFIC HEAT MEASUREMENT METHODS SPECIFIC HEAT: AN INTRODUCTION 457 CHAPTER 12. ADIABATIC CALORIMETRY D.N. Kagan 1. Introduction 461 2. Method 462 3. Adiabatic Calorimeters 471 4. Automatic Control of Adiabatic Conditions 506 5. Estimation of Errors of Adiabatic Calorimetry 510 References 521 CHAPTER 13. HEAT-CAPACITY CALORIMETRY BY THE METHOD

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  • REFRACTORY METALS - ASM International the

    enowned for their high meltingpoints, the refractory metals tungsten, molybdenum, and tan-talum are widely used in the con-struction of high-temperature furnaces as elements, insulation screens, and furnace furniture. Various applications using the materials are discussed. Unfortu-nately, all refractory metals oxidize in

    Get Price
  • (PDF) Understanding Refractory API 936 Reading

    Specific heat – The specific heat is a material and temperature related energy factor and is determined with the help of calorimeters. The factor indicates the amount of energy (calories) needed to raise the temperature of one gram of material by 1 deg C. Compared to water, the specific heats of refractory materials are very low.

    Get Price
  • 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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  • OPTIMIZATION OF REFRACTORY LINING USED IN

    2015-12-16 · The refractory lining with stave 3D model in blast furnace is analyzed and design by using the ANSYS software. This model is used for analysis the effect of refractory lining thickness with different cooling rate. The cooling of refractory is the essential feature for the blast furnace campaign life.

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  • Refractory > ASTM C20

    Apparent porosity, water absorption, apparent specific gravity, and bulk density are primary properties of burned refractory brick and shapes. These properties are widely used in the evaluation and comparison of product quality and as part of the criteria for selection and use of refractory products in a variety of industrial applications.

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  • Determination of the Specific Heat by Means of

    In this method, the bottom surface of a sample is heated by a light flash (lamp) or a short laser pulse and the resulting temperature rise on the top surface of the sample is measured using an infrared detector. This method was introduced in 1961 by Parker et al. and was initially limited to isotropic materials and adiabatic conditions, i.e ...

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  • ESTIMATION OF HEAT CAPACITIES AND OTHER

    Using accurate apparatus and a drop'' method, the heat content (enthalpy) of Zr, five Zr hydrides (NH from 1.34 to 4.14), and stainless steel type 316 were measured over the range from 0 to 900 deg C.

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  • Refractory Materials - Definition, Classification,

    2019-12-30 · As we mentioned, heat-resistant materials are also classified based on the production method. We can distinguish the dry press process, fused cast, hand molded, formed (normal, fired or chemically bonded), un-formed (monolithic-plastic, ramming and gunning mass, castables, mortars, dry vibrating cements) and un-formed dry refractories.

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  • Introduction to the Characteristics of

    2013-10-3 · Specific heat – The specific heat is a material and temperature related energy factor and is determined with the help of calorimeters. The factor indicates the amount of energy (calories) needed to raise the temperature of one gram of material by 1 deg C. Compared to water, the specific heats of refractory materials are very low.

    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 …

    Get Price
  • Refractory raw materials, method for production

    Refractory raw materials, method for production thereof and refractory using the material ... were obtained by a self-burning synthesis method using reaction heat generated in the formation of a carbide. When the resulting grains were subjected to the X-ray diffraction measurement, a peak ascribable to a graphite structure was observed, and it ...

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  • ASTM International - BOS Volume 15.01

    C583-15(2021) Standard Test Method for Modulus of Rupture of Refractory Materials at Elevated Temperatures. C604-18 Standard Test Method for True Specific Gravity of Refractory Materials by Gas-Comparison Pycnometer. C607-88(2016) Standard Practice for Coking Large Shapes of Carbon-Bearing Materials

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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

    Get Price
  • OPTIMIZATION OF REFRACTORY LINING USED IN

    2015-12-16 · The refractory lining with stave 3D model in blast furnace is analyzed and design by using the ANSYS software. This model is used for analysis the effect of refractory lining thickness with different cooling rate. The cooling of refractory is the essential feature for the blast furnace campaign life.

    Get Price
  • REFRACTORY METALS - ASM International the

    enowned for their high meltingpoints, the refractory metals tungsten, molybdenum, and tan-talum are widely used in the con-struction of high-temperature furnaces as elements, insulation screens, and furnace furniture. Various applications using the materials are discussed. Unfortu-nately, all refractory metals oxidize in

    Get Price
  • The Review of Some Commonly Used Methods and

    2016-8-26 · The use of insulation materials is considered as one of the most effective means of conserving energy in various fields. Thermal insulation materials enable systems to achieve energy efficiency. Many different thermal insulation materials have been developed to reduce heat flow by limiting conduction, convection, and/or radiation

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  • Thermal Diffusivity – Thermal Conductivity

    materials such as insulations, NETZSCH offers a broad selection of Heat Flow Meters and Guarded Hot Plate Instruments. For the analysis of refractory materials, a hot wire system (TCT 426) is available. Differential scanning calorimeters (DSC 404 F1/F3 Pegasus®) for the measurement of specific heat, and dilatometers (DIL 402 C series) for the

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  • The Method of Thermal Process Action Investigation

    The Method of Thermal Process Action Investigation in Materials Using ... which must possess the specific heat insulation and erosional durability. Therefore it becomes urgent to create the procedures, which make it possible to experimentally establish a ... the model of the phenomenon of heat conductivity in a researched refractory material is ...

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  • Technical Review UDC 666 . 76 Development of

    1.2 Detailed ASTM test methods to be used in conjunction with this procedure in testing specific types of refractory materials are as follows: Test Method C182, Test Method C202, Test Method C417, and Test Method C767.

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  • The Review of Some Commonly Used Methods 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 …

    Get Price
  • Refractory Materials - Definition, Classification,

    2019-12-30 · As we mentioned, heat-resistant materials are also classified based on the production method. We can distinguish the dry press process, fused cast, hand molded, formed (normal, fired or chemically bonded), un-formed (monolithic-plastic, ramming and gunning mass, castables, mortars, dry vibrating cements) and un-formed dry refractories.

    Get Price
  • Refractory raw materials, method for production

    Refractory raw materials, method for production thereof and refractory using the material ... were obtained by a self-burning synthesis method using reaction heat generated in the formation of a carbide. When the resulting grains were subjected to the X-ray diffraction measurement, a peak ascribable to a graphite structure was observed, and it ...

    Get Price
  • Refractory Material Testing - Lab Testing

    2020-3-5 · The amount of heat flowing through a refractory wall depends on a number of factors: (1) Conductivity value of the refractory, (2) Temperature drop across the surface from the hot face to the cold face, (3) Area of the wall, (4) Time of heat …

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  • Refractory Materials for Flame Deflector Protection

    2020-8-6 · Refractory Materials for Flame Deflector Protection ... subjected to vibrations and aggressive heat/blast conditions during launch. This report ... 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. In addition ...

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  • Technical Review UDC 666 . 76 Development of

    2012-12-7 · To deposit a refractory layer with specific properties using flame gunning, it is essential to heat the refractory powder in high-tem-perature and high-speed flames, and to keep it in a molten or semi-molten state until it hits the refractory surface that is being repaired. Nippon Steel selected propane gas as the fuel, designed propane-

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  • Assessing the Potential Application of Geophagic

    2020-8-24 · Different types of refractory materials can be synthesized according to the nature of the raw materials and the process used. The application fields of refractory are multiple and depend on the properties of each type. In fact, the performance of a refractory (good resistance to heat and thermal shock) is directly related to texture and …

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  • Material testing laboratory & Refractory Testing

    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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  • Evaluation of the Refractory Properties of

    1.2x00a0;Detailed ASTM test methods to be used in conjunction with this procedure in testing specific types of refractory materials are as follows: Test Method C182, Test Method C202, Test Method C417, and Test Method C767.

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  • Non-contact thermophysical property

    2014-6-19 · The specific gravity test is usually conducted on materials that do not dissolve in or get attacked by water. The test piece was cut from within the core of a refractory shape moulded from the clay and crushed to a size not exceeding 3 mm [7]. The crushed material was then mixed and reduced to a 50 g sample by cone and quartering method.

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