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refractory materials definition uses

  • Refractory, Definition, Types, Materials and

    Refractories are ceramic materials designed to withstand the very high temperatures (in excess of 1,000°F [538°C]) encountered in modern manufacturing. More heat-resistant than metals, they are used to line the hot surfaces found inside many industrial processes.

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  • Refractory Materials - Definition, Classification,

    Refractory materials that keep their chemical and physical strength at temperatures above 500 °C are of high importance for metallurgical and other industrial processes. They consist of alumina, magnesia, silica, lime, and other metal oxides. Global production for the metal, glass, and ceramics industries is about 12 million metric tons.

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  • 13 Types of Refractory Materials and Their Applications

    Refractory, any material that has an unusually high melting point and that maintains its structural properties at very high temperatures. Composed principally of ceramics, refractories are employed in great quantities in the metallurgical, glassmaking, and ceramics industries, where they are formed

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  • What Are Refractories - The Refractories Institute (TRI)

    2015-10-26 · Fireclay refractories are essentially hydrated aluminum silicates with 25% - 45% Al2O3 and 50% - 80% SiO2 and minor other minerals. As fireclay brick is relatively cheap and its raw materials are...

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  • Refractory Material - an overview | ScienceDirect Topics

    2016-8-29 · components which are made of refractory metals or have been cut or formed by them. Your car’s electrical or electronic systems may also make use of the metals’ electric and heat-conducting qualities. On the other hand, refractory metals were used in the tools which helped to drill the well which produces the gasoline in your tank. Piping of

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  • Refractory | industrial material | Britannica

    2021-5-27 · 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 gases in combustion processes or the holding of molten …

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  • Refractory | industrial material | Britannica

    Refractory, any material that has an unusually high melting point and that maintains its structural properties at very high temperatures.Composed principally of ceramics, refractories are employed in great quantities in the metallurgical, glassmaking, and ceramics industries, where they are formed into a variety of shapes to line the interiors of furnaces, kilns, and other devices that process ...

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  • What are Refractory Metals - PickPM

    2016-8-29 · the manufacture of cutting tools. From this early beginning with refractory metals has grown one of the most depended upon methods of metal part fabrication-important because of P/M technology's manufacturing productivity advantages, materials conservation, wide range of engineering properties, design flexibility and energy savings.

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  • ISO 836:2001(en), Terminology for refractories

    BS 1902-3.14:1996, Methods of testing of refractory materials. General and textural properties. Determination of hydration tendency. [29] BS 3446-1:1990, British standard glossary of terms associated with refractory materials. General and manufacturing. [30] BS 3446-2:1990, British standard glossary of terms associated with refractory materials ...

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  • Refractory Insight - Part 1: An Introduction - REMET

    “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 or 540C.” As you can see every shell system is a refractory as it operates above the temperature outlined within the definition.

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  • refractory : definition of refractory and synonyms of ...

    Refractory materials. Refractory materials must be chemically and physically stable at high temperatures. Depending on the operating environment, they need to be resistant to thermal shock, be chemically inert, and/or have specific ranges of thermal conductivity and of the coefficient of thermal expansion.. The oxides of aluminium (), silicon and magnesium are the most important materials used ...

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  • Introduction to refractory materials - SlideShare

    2017-8-31 · Some more informations about refractory materials and also have some descriptions about high grade refractory materials. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.

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  • Uses of Refractory Anchors - FibreCast

    2017-2-13 · The refractory anchors and other products from FibreCast give high quality performance and application in industrial performance. Our products provide good performance as compared to other companies’ and this is why as an organization, we have remained global leader in the manufacturing of refractory anchors, supply and sale of the products.

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  • Presidential address: How cool are refractory materials?

    2009-8-11 · refractory materials, from their initial uses in BC times, to the composite materials that are used nowadays, and the nanotechnology developments that are currently taking place in this field, the reader will come to agree that refractory materials are indeed very ‘cool’! Keywords: refractory materials; bricks; monolithic materials.

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  • What are Refractory Bricks and mention it's types?

    2020-7-10 · Definition : Refractory brick is a block of ceramic material specially used in kilns, lining, furnaces, fireboxes and fireplaces. ... The raw materials of these bricks consists of flint clay and grog that has burned fire clay as non plastic materials and soft fire clay as plastic material.

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  • What Refractory Castables are Used for the Lining of

    2020-9-27 · The heating furnace is divided into furnace, fuel system, air supply system, smoke exhaust system, and cooling system. The furnace is a space composed of the furnace wall, the furnace top, and the furnace bottom, and different pouring materials are used for each part.

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  • Types of Refractory Materials and Their Applications

    2015-10-26 · Various refractory bricks in different sizes and shapes are now available for diverse applications. The typical refractory materials include fireclay refractories, high alumina refractories ...

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  • Learn About Refractory Metals - ThoughtCo.com

    2018-12-10 · Learn About Refractory Metals Get the Definition and Find out Which Elements the Term Refers To. Share ... producing materials superior to what could be created by an individual metal. For example, the original Widia powder was comprised of 5-15% cobalt. ... The following list of end-uses for refractory metals was compiled by the Refractory ...

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  • Refractory material | Article about Refractory material

    Refractory. One of a number of ceramic materials for use in high-temperature structures or equipment. The term high temperatures is somewhat indefinite but usually means above about 1830°F (1000°C), or temperatures at which, because of melting or oxidation, the common metals cannot be used.

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  • Acidic Refractory-Acidic Refractory Materials

    Acidic Refractory Uses. Because the properties of acidic refractory are quite different from basic refractory, the acidic refractory uses are also different from that of basic refractory.The anti slag corrosion performance, refractoriness under load, the volume change at high temperature burning and thermal shock resistant ability determines the using temperature of acidic refractory.

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  • Presidential address: How cool are refractory materials?

    2009-8-11 · refractory materials, from their initial uses in BC times, to the composite materials that are used nowadays, and the nanotechnology developments that are currently taking place in this field, the reader will come to agree that refractory materials are indeed very ‘cool’! Keywords: refractory materials; bricks; monolithic materials.

    Get Price
  • Refractory Insight - Part 1: An Introduction - REMET

    “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 or 540C.” As you can see every shell system is a refractory as it operates above the temperature outlined within the definition.

    Get Price
  • Uses of Refractory Anchors - FibreCast

    2017-2-13 · The refractory anchors and other products from FibreCast give high quality performance and application in industrial performance. Our products provide good performance as compared to other companies’ and this is why as an organization, we have remained global leader in the manufacturing of refractory anchors, supply and sale of the products.

    Get Price
  • Refractory metal | Project Gutenberg Self-Publishing ...

    Definition. Most definitions of the term 'refractory metals' list the extraordinarly high melting point as a key requirement for inclusion. By one definition, a melting point above 4,000 °F (2,200 °C) is necessary to qualify. [1] The five elements niobium, molybdenum, tantalum, tungsten and rhenium are included in all definitions, [2] while the wider definition, including all elements with a ...

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  • admin, Author at Refractory Metals and Alloys | Page

    Want to know the characteristics of refractory metal? Then you’ve come to the right place. In this article, we’ll talk about the characteristics of refractory metal. First, let’s take a look at the definition of the refractory metal. Definition of Refractory Metal Refractory metals are referred to metals […]

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  • Application and Uses – Definition - Material Properties

    2021-5-20 · What are Zirconium Alloys – Application and Uses – Definition Zirconium and its alloys are widely used as a cladding for nuclear reactor fuels. Zirconium alloys are also often the materials of choice for heat exchangers, and piping systems for the chemical-processing and nuclear industries

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  • Types of Refractory Materials and Their Applications

    2015-10-26 · Various refractory bricks in different sizes and shapes are now available for diverse applications. The typical refractory materials include fireclay refractories, high alumina refractories ...

    Get Price
  • Refractory material | Article about Refractory material

    Refractory. One of a number of ceramic materials for use in high-temperature structures or equipment. The term high temperatures is somewhat indefinite but usually means above about 1830°F (1000°C), or temperatures at which, because of melting or oxidation, the common metals cannot be used.

    Get Price
  • Refractory Insight - Part 1: An Introduction - REMET

    “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 or 540C.” As you can see every shell system is a refractory as it operates above the temperature outlined within the definition.

    Get Price
  • Refractory metal | Project Gutenberg Self-Publishing ...

    Definition. Most definitions of the term 'refractory metals' list the extraordinarly high melting point as a key requirement for inclusion. By one definition, a melting point above 4,000 °F (2,200 °C) is necessary to qualify. [1] The five elements niobium, molybdenum, tantalum, tungsten and rhenium are included in all definitions, [2] while the wider definition, including all elements with a ...

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  • Cements and Refractory Materials • Diatom

    Main Content Cements and Refractory Materials. The Sodium Silicate and/or Sodium Metasilicate Pentahydrate acts as a connecting agent in the production of refractory cements and may be exposed to high temperatures, with properties such as hardness and mechanical and chemical resistance.. The Silicate of Sodium is used in the production of sealing for wall and slabs.

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  • Hazards from the use of Refractory Ceramic Fibre: OC

    1999-5-19 · 30 Refractory ceramic fibre being transported on the road will not be subject to regulations concerning the carriage of dangerous goods as these regulations apply to materials which could cause immediate danger to the emergency services and other road users. (The fact that a material is classified as toxic under the Chemicals (Hazard ...

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  • Refractory Oxide - an overview | ScienceDirect Topics

    R.E. Moore, in Encyclopedia of Materials: Science and Technology, 2001 2 Constitution of Refractory Ceramics. The principal refractory oxides behave more or less as acid, basic, or neutral chemical reactants when heated to reaction threshold temperatures. MgO and CaO are bases; SiO 2 and ZrO 2 are acids; and Al 2 O 3 and Cr 2 O 3 are materials that are amphoteric in their reaction behavior.

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  • Ceramics and Glass in Industry | The American

    By definition, refractories are materials that are capable of withstanding operating conditions of 1,000°C or greater. Although approximately 80% of the refractory market is accounted for by the metallurgical sector (for processing of both ferrous and non-ferrous metals), these products also find application in other industries such as glass ...

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  • Rheology of refractory concrete: An article review ...

    2021-3-29 · Refractory monolithic; Definition: Fired pre-casted refractories in a fixed shape prior to installation: Unfired materials with different particle sizes that are directly poured into the installation site: Uniformity: More uniform because they do not contain cement and fired at high temperatures without using anchors: Less uniform and is used ...

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  • What is Investment Material? | Intelligent Dental

    2011-12-10 · Refractory material like silica, quartz, Cristoballite tridymite 2. Binders – Gypsum, Silica phosphate 3. Modifiers – like reducing agents, colouring materials. TYPES OF INVESTMENT MATERIAL: There are 3 types of investment materials, They all contains silica as refractory material, the type of binder used is different.

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  • Refractory Metals: What Are They? - Materials

    2020-12-22 · Refractory metals are a class of metallic materials that offer superior heat resistance and very high melting points. While the exact definition of which elements are included in this group varies, this article centers on the four most widely used refractory metallic elements: tantalum, niobium, molybdenum and tungsten.The class can be more broadly defined to include hafnium, chromium, …

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  • Refractories: Properties and Types | Engineering

    2021-5-27 · 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 gases in combustion processes or the ...

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  • Refractory | Inspectioneering

    Refractory is a heat resistant material used to line high temperature furnaces, reactors, and other processing units. It is more heat resistant than metals and is required for heating applications above 1000°F (538°C). Refractories are designed to resist chemical attack, withstand molten metal and slag erosion, thermal shock, physical impact, catalytic heat and similar adverse conditions.

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  • ISO 836:2001(en), Terminology for refractories

    BS 1902-3.14:1996, Methods of testing of refractory materials. General and textural properties. Determination of hydration tendency. [29] BS 3446-1:1990, British standard glossary of terms associated with refractory materials. General and manufacturing. [30] BS 3446-2:1990, British standard glossary of terms associated with refractory materials ...

    Get Price
  • Application of Refractory Metals and Alloys |

    2014-3-12 · Refractory metals are a class of metals that are extraordinarily resistant to heat and wear. The most common definition includes 5 elements : Niobium(Nb), Molybdenum(Mo), Tantalum(Ta), Tungsten(W), Rhenium(Re). Another wider definition includes Titanium(Ti) Vanadium(V) Chromium(Cr) etc. APPLICATIONS- IN GENERAL

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  • Refractory metal | Project Gutenberg Self-Publishing ...

    Definition. Most definitions of the term 'refractory metals' list the extraordinarly high melting point as a key requirement for inclusion. By one definition, a melting point above 4,000 °F (2,200 °C) is necessary to qualify. [1] The five elements niobium, molybdenum, tantalum, tungsten and rhenium are included in all definitions, [2] while the wider definition, including all elements with a ...

    Get Price
  • What is refractory - Sesli Sözlük

    Definition of refractory in English English dictionary ... Refractory materials form solids at very high temperatures The opposite of volatile Tungsten is a refractory material lining consisting of material with a high melting point; used to line the inside walls of a furnace

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  • Ceramics and Glass in Industry | The American

    By definition, refractories are materials that are capable of withstanding operating conditions of 1,000°C or greater. Although approximately 80% of the refractory market is accounted for by the metallurgical sector (for processing of both ferrous and non-ferrous metals), these products also find application in other industries such as glass ...

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  • An Index of Refractory Organics - EPA

    ----- ABSTRACT Refractory waterborne organics resist biodegradation, accumulate in the environment and can inhibit life forms. This research develops laboratory techniques for, and interpretations of, a Refractory Index (R.I.) to assess quantitatively the persistency of refractory organics and uses the R.I. determination to evaluate some 38 industrial, natural and combined or- ganics.

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  • Online Materials Information Resource - MatWeb

    A free online materials information resource with properties data on over 28,000 materials. Search for materials by name or properties. Database includes comprehensive coverage of thermoplastic and thermoset polymers, aluminum, cobalt, copper, lead, magnesium, nickel, steel, superalloys, titanium and zinc alloys, ceramics, plus a growing list of semiconductors, fibers, and other engineering ...

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