Just fill in the form below, click submit, you will get the price list, and we will contact you within one working day. Please also feel free to contact us via email or phone. (* is required).

refractory materials borides and carbides making process

  • Process for preparing refractory borides and

    Refractory borides or carbides are prepared by contacting an alkali-metal ducible metal chloride or silicon tetrachloride with boron trichloride or carbon tetrachloride in an inert solvent in the presence of an alkali metal, the metal chloride or silicon tetrachloride and the boron trichloride or carbon tetrachloride being present in an amount about stoichiometrically equivalent to the boride or carbide …

    Get Price
  • US4606902A - Process for preparing refractory

    Refractory borides or carbides are prepared by contacting an alkali-metal ducible metal chloride or silicon tetrachloride with boron trichloride or carbon tetrachloride in …

    Get Price
  • THE ANALYSIS OF REFRACTORY BORIDES,

    2021-6-26 · The primary objective of this project, to evaluate and compile thermodynamic data for the refractory borides, carbides, nitrides, and oxides of some 31 elements, is being continued. As in the previous quarter, the compounds of the following 10 elements are being emphasized as follows: zirconium, hafnium, tantalum, tungsten, nlobium, …

    Get Price
  • Development of Refractory and Rare Earth Metal

    2016-1-1 · A small weight loss of 1-2% was observed due to evaporation of high vapor pressure species such as SiO and MoO3. Refractory and rare earth metal boride powders were synthesized by carbothermic reduction of respective metal oxides in the presence of boron carbide as per reaction (1) to (4).

    Get Price
  • Borides and Carbides of Transition Elements

    2020-5-23 · Abstract: Oxides, borides and carbides of the transition elements are materials of great interest from a technologic point of view. Many of these materials are used in the form of thin films, so several techniques are commonly used to deposit them. Among these techniques, Pulsed Laser Deposition

    Get Price
  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-5-22 · Refractory carbides and nitrides are useful materials with numerous industrial applications and a promising future, in addition to being materials of great interest to the scientific community. Although most of their applications are recent, the refractory carbides and nitrides have been known for over one hundred years.

    Get Price
  • Materials Science of Carbides, Nitrides and

    A survey of current research on a wide range of carbide, nitride and boride materials, covering the general issues relevant to the development and characterisation of a variety of advanced materials. Topics include structure and electronic properties, modeling, processing, high-temperature chemistry, oxidation and corrosion, mechanical …

    Get Price
  • Refractory materials | Metallurgy for Dummies

    2021-1-19 · Non-oxide refractories also exist and include materials such as carbides, nitrides, borides and graphite. The actual composition of a refractory material is dependent on operating factors such as temperature, atmosphere and what materials it will be in contact with. Refractories must be chosen according to the conditions they …

    Get Price
  • Method of dry-soldering highly refractory

    Highly refractory binary ceramic materials such as carbides, borides, nitrides and silicides are joined to another material by forcing a solder material which includes therein at most 1 at. ‰of an active metal such as Al, Ba, Ce, Cr, Hf, Mo, Nb, Ni, Ta, Ti, Zr, etc. into intimate contact with the ceramic and then heating the so-formed couple to a temperature sufficiently high for a solid-state chemical reaction to occur between the active metal and the more negative element in the binary ceramic and below the melting point of the solder material whereby interconnecting bridge-like bonds are formed between the solder material and the ceramic.

    Get Price
  • Overview of Refractory Materials - PDHonline.com

    2012-5-29 · Overview of Refractory Materials A. Bhatia, B.E. COURSE CONTENT Abstract Refractories are heat resistant materials used in almost all processes involving high temperatures and/or corrosive environment. These are typically used to insulate and protect industrial furnaces and vessels due to their excellent resistance to heat, …

    Get Price
  • Development of Refractory and Rare Earth Metal

    2016-1-1 · Among the non-oxide ceramics, carbides and borides such as B 4 C, TiB 2, ZrB 2, HfB 2, NbB 2, CrB 2, LaB 6, CeB 6, NdB 6, EuB 6 posses attractive combination of high temperature properties for engineering applications. However, they are difficult to synthesize and fabricate in the form of dense bodies, because of their refractory nature …

    Get Price
  • Materials Science of Carbides, Nitrides and

    After decades of research, the materials are being used in electronics, wear resistant, refractory and other applications, but numerous new applications are possible. Roughly equal numbers of papers cover theoretical and experimental research in the general field of materials science of refractory materials.

    Get Price
  • Overview of Refractory Materials - PDHonline.com

    2012-5-29 · and zirconium and some non-oxide refractories like carbides, nitrides, borides, silicates and graphite. The main types include fire-clay bricks, castables, ceramic fiber and insulating bricks that are ... refractory materials such as magnesia, which has a melting point of 5070 degrees. ... PCE is measured by making a cone of the material and ...

    Get Price
  • Materials Science of Carbides, Nitrides and

    Materials Science of Carbides, Nitrides and Borides. Editors: Gogotsi, Yury G ., Andrievski ... equal numbers of papers cover theoretical and experimental research in the general field of materials science of refractory materials. Audience: Researchers and graduate students in materials science ... Design and Process of Non-Oxide Ceramics ...

    Get Price
  • Synthesis of polymeric precursors for refractory

    2014-12-1 · Free Online Library: Synthesis of polymeric precursors for refractory carbides and borides.(56TH ANNUAL SYMPOSIUM OF THE IDAHO ACADEMY OF SCIENCE: THEME: ENERGY, MATERIALS, AND NANOTECHNOLOGY, Brief article, Abstract) by 'Journal of the Idaho Academy of Science'; Science and technology, general Boron compounds Chemical properties Carbides …

    Get Price
  • Boride - an overview | ScienceDirect Topics

    Research into refractory borides began in 1940 to understand their physical properties such as crystal structure and melting points. 1 Efforts to further improve the oxidation resistant properties of metal boride and carbide materials were conducted in the 1960s. 2–6 This work sought to develop processing methods and to test at high ...

    Get Price
  • Carbide, Nitride and Boride Materials Synthesis

    Carbide, Nitride and Boride Materials Synthesis and Processing is a major reference text addressing methods for the synthesis of non-oxides. Each chapter has been written by an expert practising in the subject area, affiliated with industry, academia or government research, thus providing a broad perspective of information for the reader.

    Get Price
  • Refractory materials | Metallurgy for Dummies

    2021-1-19 · The bulk of refractory materials consist of single or mixed high melting point oxides of elements such as silicon, aluminium, magnesium, calcium and zirconium. Non-oxide refractories also exist and include materials such as carbides, nitrides, borides …

    Get Price
  • Technology of production of hafnium carbide, etc

    the family of metal carbides, nitrides and borides, noted for their hardness, wear resistance and high temperature stability, offers much promise.[6] Here we study a unique and generic approach to synthesis of ultra-thin transition metal carbides (TMC), nitrides and borides with properties

    Get Price
  • Synthesis of polymeric precursors for refractory

    2014-12-1 · Free Online Library: Synthesis of polymeric precursors for refractory carbides and borides.(56TH ANNUAL SYMPOSIUM OF THE IDAHO ACADEMY OF SCIENCE: THEME: ENERGY, MATERIALS, AND NANOTECHNOLOGY, Brief article, Abstract) by 'Journal of the Idaho Academy of Science'; Science and technology, general Boron compounds Chemical properties Carbides …

    Get Price
  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-5-22 · Refractory carbides and nitrides are useful materials with numerous industrial applications and a promising future, in addition to being materials of great interest to the scientific community. Although most of their applications are recent, the refractory carbides and nitrides have been known for over one hundred years.

    Get Price
  • LOS ALAMOS SCIENTIFIC LABORATORY

    2020-1-14 · Refractory borides, carbides, nitrides, and silicides are relatively inert chemically and resist the action of many aqueous acids and bases. Generally, these materials may be dissolved with a mixture of nitric -10-BN HfN NbN ^s^ TaN TiN UN ZrN MoSig Re Si TaSi^ Tip-Si5 . . WSi^ VSi^ ZrSi^

    Get Price
  • Technology of production of hafnium carbide, etc

    2017-7-24 · of different classes. To date, practically all known refractory inorganic materials such as carbides, borides, nitrides, silicides, chalcogenides, and others have been prodused by SHS. Usually, the final products of synthesis are higher compounds, which frequently show better

    Get Price
  • Chemical classes of the SHS processes and materials

    2020-8-6 · than refractory compounds (carbides, nitrides, and borides). differences in the thermodynamic stability of the materials, refractory com- pounds in tungsten materials have been as strong at elevated temperatures as materials containing oxides (ref. 3). Because tungsten must be processed at

    Get Price
  • TECHNICAL NOTE 2751

    2020-12-2 · Refractory materials form part of a containment system that serves to contain the high-temperature process materials, allowing the chemical reactions to occur and preserving the energy required for, or generated by, the process. Refractory materials are often referred to as the refractory lining (Steenkamp, Denton, and Hayman,

    Get Price
  • A review of carbon-based refractory materials and

    2017-7-12 · The corrosion resistance of nanopowders of borides and carbides of metals of IV–VIB groups, as well as of silicon carbide, was studied in the standard nickeling electrolytes. As objects of study, nanopowders with the content of the main phase 91.8–97.6% and with the average particle size 32–78 nm were used. Their corrosion …

    Get Price
  • Corrosion Resistance of Nanopowders of

    Refractory materials • Metal carbides Salt like carbides Covalent carbides Interstitial carbides • Borides Borides having isolated B atoms Borides having chains of B atoms Borides having extensive 2/3-Dimensional network Some industrially important inorganic compounds, Manju Sebastian, St. Mary's College 11.

    Get Price
  • Materials Science of Carbides, Nitrides and

    Materials Science of Carbides, Nitrides and Borides. Editors: Gogotsi, Yury G ., Andrievski ... equal numbers of papers cover theoretical and experimental research in the general field of materials science of refractory materials. Audience: Researchers and graduate students in materials science ... Design and Process of Non-Oxide Ceramics ...

    Get Price
  • Processing development of 4TaC-HfC and related

    2020-2-6 · ultra-refractory Ta 4 HfC ... Carbides, nitrides, and borides ceramics are of interest for many applications because of their high melting temperatures and good mechanical properties. Wear-resistant coatings ... process these materials at relatively low temperature would save energy and reduce cost.

    Get Price
  • Technology of production of hafnium carbide, etc

    2019-5-9 · Borides and Carbides as DPE Electrodes Borides and carbides are attractive DPE electrode materials High melting temp (≥ ~3000 °C) Thermal and electrical conductivities comparable to some metals (e.g., ~10. 5. S/cm for HfB. 2) Good thermal shock resistance Resistance to plasma sparks and arcs Limitations with borides and carbides …

    Get Price
  • High Temperature Boride and Carbide Ceramics for

    2020-8-6 · than refractory compounds (carbides, nitrides, and borides). differences in the thermodynamic stability of the materials, refractory com- pounds in tungsten materials have been as strong at elevated temperatures as materials containing oxides (ref. 3). Because tungsten must be processed at

    Get Price
  • TECHNICAL NOTE 2751

    2019-2-27 · of different classes. To date, practically all known refractory inorganic materials such as carbides, borides, nitrides, silicides, chalcogenides, and others have been prodused by SHS. Usually, the final products of synthesis are higher compounds, which frequently show better

    Get Price
  • Chemical classes of the SHS processes and materials

    Aside from refractory elements, potentially promising compound materials include refractory nitrides, carbides, and borides. In this work, TaC crucibles were fabricated using a binderless sintering process and were tested in AlN bulk growth experiments.

    Get Price
  • Crucible materials for growth of aluminum nitride

    2018-6-5 · Ultra-High Temperature Ceramics (UHTC’s) are a limited and select set of carbides, nitrides and borides of the group IV and V transition metals, which are typically defined as having melting ...

    Get Price
  • Processing and Properties of High-Entropy Ultra

    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 …

    Get Price
  • Processing development of 4TaC-HfC and related

    2020-10-13 · ultra-refractory Ta 4 HfC ... Carbides, nitrides, and borides ceramics are of interest for many applications because of their high melting temperatures and good mechanical properties. Wear-resistant coatings ... process these materials at relatively low temperature would save energy and reduce cost.

    Get Price
  • Synthesis of Polymeric Precursors for Refractory

    Synthesis of Polymeric Precursors for Refractory Carbides and Borides Thesis Link to document; Overview; Other; Overview abstract . Thesis (M.S., Chemical and Materials Science Engineering) -- University of Idaho, 2015 | Hafnium Carbide and diboride are ceramics with ultra-high melting temperatures representing the upper end of refractory materials.

    Get Price
  • Refractories - An Overview - Materials Engineering

    2001-2-14 · Refractories are ceramic materials capable of withstanding high temperatures. The bulk of refractory materials consist of single or mixed high melting point oxides such as silicon, aluminum, magnesium, calcium and zirconium. Non-oxide refractories also exist and include materials such as carbides, nitrides, borides and …

    Get Price
  • What is Borides Powder?-Mis-aisa-The latest

    2021-6-30 · Preparation method of Borides Powder The main method of making refractory metal Borides Powder is 1.The reaction formula of metal and boron directly combined at high temperature is Me+B----MeB 2.Reducing the mixture of metal oxide and boric anhydride with carbon is 2MeO+B2O3+5C—2MeB+5CO

    Get Price
  • NON-OXIDE REFRACTORIES - Coggle Diagram

    Refractories are ceramic materials capable of withstanding high temperatures. The bulk of refractory materials consist of single or mixed high melting point oxides such as silicon, aluminum, magnesium, calcium and zirconium. Non-oxide refractories also exist and include materials such as carbides, nitrides, borides and graphite.

    Get Price
  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-6-26 · Handbook of Refractory Carbides and Nitrides. Hugh O. Pierson. Refractory carbides and nitrides are useful materials with numerous industrial applications and a promising future, in addition to being materials of great interest to the scientific community. Although most of their applications are recent, the refractory carbides and …

    Get Price
  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-6-16 · handbook of refractory carbides and nitrides - MAFIADOC.COM Handbook of Refractory Carbides and Nitrides Details Refractory carbides and nitrides are useful materials with numerous industrial applications and a promising future, in addition to being materials of great interest to the scientific community.

    Get Price
  • Designing better ballistic materials: Reduced

    2021-3-23 · In recent months, I noticed a growing number of articles on high-strength carbides and borides. Because ceramic armor is an application for these materials, and with the recent events in Washington, D.C., and Myanmar, I was inspired to understand the issues explored in these articles. First things first.

    Get Price
  • Amazon.com: Handbook of Refractory Carbides

    Refractory carbides and nitrides are useful materials with numerous industrial applications and a promising future, in addition to being materials of great interest to the scientific community. Although most of their applications are recent, the refractory carbides and nitrides have been known for over one hundred years.

    Get Price
  • High-Entropy Metal Diborides: A New Class of

    2016-11-29 · This work has greatly extended the knowledge of high-entropy materials, not only since it is the first time crystalline high-entropy non-oxide ceramics (specifically borides) have been synthesized ...

    Get Price
  • Combustion joining of refractory materials:

    2009-8-31 · various layer compositions including refractory borides (TiB 2 and ZrB 2), 7 carbides (SiC, B 4 C, and WC), 6–9 or their mixtures (TiB 2 +SiC+B 4 C), 7 relying on the solid-state diffusion bonding mechanism. Though relatively strong bonding is achieved, this method suffers from dis-tinct shortcomings. It requires long (hours), high-

    Get Price
  • Preparation of Ceramics, Cermets, Nitrides, Borides

    2013-2-4 · Preparation of Ceramics, Cermets, Nitrides, Borides and Sintered Carbides George F. Vander Voort Director, Research & Technology Buehler Ltd Lake Bluff, Il 60044 USA Abstract Equipment and consumable supplies for preparing very hard metals, oxides, carbides, borides and nitrides has improved substantially over the past forty years. Due …

    Get Price
  • What is Borides Powder?-Mis-aisa-The latest

    2021-6-30 · Preparation method of Borides Powder The main method of making refractory metal Borides Powder is. The reaction formula of metal and boron directly combined at high temperature is ; ②Reducing the mixture of metal oxide and boric anhydride with carbon is 2MeO+B2O3+5C—2MeB+5CO

    Get Price
  • UNCLASSIFIED AD 29' 351

    PRODUCTION OF REFRACTORY CARBIDES. BORIDES AND THE LIKE. U. S. Patent no. 3,019,084. 30 January 1962. Titanium and zirconium borides and carbides of low free carbon content may be produced continuously by preparing a solid reaction mass of mixed metal oxides with carbon or boron and carbon, continuously introducing the …

    Get Price
  • Chromite—A cost-effective refractory raw material for

    2011-3-3 · Borides 13 Carbides 19 Nitrides 10 Silicides 7 Oxides 11 Total 60 If in addition to a high melting point, the limits of reasonable abundance and reasonable price are introduced, the list reduces to the six oxides on which, together with carbon, silicon carbide and silicon nitride, the vast range of refractory materials are based.

    Get Price
  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-6-16 · handbook of refractory carbides and nitrides - MAFIADOC.COM Handbook of Refractory Carbides and Nitrides Details Refractory carbides and nitrides are useful materials with numerous industrial applications and a promising future, in addition to being materials of great interest to the scientific community.

    Get Price
  • Production of MgO-X Refractory Material with

    2013-12-24 · Magnesia-carbon refractory materials (MgO-C-X) is extensively used in steel making industry, mainly in steel ladles, basic oxygen (LD) converters, electric arc fur- naces and also in secondary steel making production. Mainly because of its good compatibility, high refractiv- ity, excellent corrosion resistance, thermal shock resis-

    Get Price
  • Intro to Transition Metal Carbides - ropine.com

    2018-6-12 · The carbides of the transition metals in Groups IV - VI have extremely high melting points (Table 8.1) and are therefore referred to collectively as the “refractory carbides.” In addition to their stability at high temperatures, these compounds are extremely hard (Table 8.2), finding industrial use in cutting tools and wear-resistant parts.

    Get Price
  • Carbide Formation in Nickel-Base Superalloy MAR

    2019-10-17 · boundaries primarily in the form of carbides and borides and contribute to improved creep performance. The presence of refractory elements (Ta + W + Mo), the addition of Hf, and the elemental segregation during solidification cause the formation of eutectic and carbides in the interdendritic regions [9-11].

    Get Price
  • Intermetallic borides: structures, synthesis and ...

    Structurally ordered intermetallic borides are a large family of inorganic solids with rich bonding schemes, and huge compositional and structural diversity. The family members possess high flexibility to modulate the local electronic structures and surface adsorption properties, providing great opportunitie 2020 Inorganic Chemistry Frontiers Review-type …

    Get Price
  • Combustion joining of refractory materials:

    2009-8-31 · various layer compositions including refractory borides (TiB 2 and ZrB 2), 7 carbides (SiC, B 4 C, and WC), 6–9 or their mixtures (TiB 2 +SiC+B 4 C), 7 relying on the solid-state diffusion bonding mechanism. Though relatively strong bonding is achieved, this method suffers from dis-tinct shortcomings. It requires long (hours), high-

    Get Price
  • Preparation of Ceramics, Cermets, Nitrides, Borides

    2013-2-4 · Preparation of Ceramics, Cermets, Nitrides, Borides and Sintered Carbides George F. Vander Voort Director, Research & Technology Buehler Ltd Lake Bluff, Il 60044 USA Abstract Equipment and consumable supplies for preparing very hard metals, oxides, carbides, borides and nitrides has improved substantially over the past forty years. Due …

    Get Price
  • REFRACTORY CARBIDES’ MICROSTRUCTURAL

    2013-5-31 · Carbides also exhibit low volatility, low density, and good neutronic properties such as good moderation due the presence of carbon and low absorption cross section. A method for fabricating refractory carbides was established in previous research [1]. Solid solution uranium tri-carbides have been produced with the compositions (U,Zr,Nb)C,

    Get Price
  • UNCLASSIFIED AD 29' 351

    PRODUCTION OF REFRACTORY CARBIDES. BORIDES AND THE LIKE. U. S. Patent no. 3,019,084. 30 January 1962. Titanium and zirconium borides and carbides of low free carbon content may be produced continuously by preparing a solid reaction mass of mixed metal oxides with carbon or boron and carbon, continuously introducing the …

    Get Price
  • Carbide Formation in Nickel-Base Superalloy MAR

    2019-10-17 · boundaries primarily in the form of carbides and borides and contribute to improved creep performance. The presence of refractory elements (Ta + W + Mo), the addition of Hf, and the elemental segregation during solidification cause the formation of eutectic and carbides in the interdendritic regions [9-11].

    Get Price
  • Production of MgO-X Refractory Material with

    2013-12-24 · Magnesia-carbon refractory materials (MgO-C-X) is extensively used in steel making industry, mainly in steel ladles, basic oxygen (LD) converters, electric arc fur- naces and also in secondary steel making production. Mainly because of its good compatibility, high refractiv- ity, excellent corrosion resistance, thermal shock resis-

    Get Price
  • Chromite—A cost-effective refractory raw material for

    2011-3-3 · Borides 13 Carbides 19 Nitrides 10 Silicides 7 Oxides 11 Total 60 If in addition to a high melting point, the limits of reasonable abundance and reasonable price are introduced, the list reduces to the six oxides on which, together with carbon, silicon carbide and silicon nitride, the vast range of refractory materials are based.

    Get Price
  • Intro to Transition Metal Carbides - ropine.com

    2018-6-12 · The carbides of the transition metals in Groups IV - VI have extremely high melting points (Table 8.1) and are therefore referred to collectively as the “refractory carbides.” In addition to their stability at high temperatures, these compounds are extremely hard (Table 8.2), finding industrial use in cutting tools and wear-resistant parts.

    Get Price
  • Materials | Plasma Processes

    Plasma Process, LLC is producing refractory and noble metal foams for a variety of applications. The foams are available in various porosities from 30 to 100 PPI (pores per inch) configurations, in Tungsten, Rhenium, Molybdenum, Niobium, Tantalum, Hafnium, Zirconium, Iridium, Ruthenium, Rubidium, and Platinum; as well as alloys such as …

    Get Price
  • Intermetallic borides: structures, synthesis and ...

    Structurally ordered intermetallic borides are a large family of inorganic solids with rich bonding schemes, and huge compositional and structural diversity. The family members possess high flexibility to modulate the local electronic structures and surface adsorption properties, providing great opportunitie 2020 Inorganic Chemistry Frontiers Review-type …

    Get Price
  • Preparation of Ceramics, Cermets, Nitrides, Borides

    2013-2-4 · Preparation of Ceramics, Cermets, Nitrides, Borides and Sintered Carbides George F. Vander Voort Director, Research & Technology Buehler Ltd Lake Bluff, Il 60044 USA Abstract Equipment and consumable supplies for preparing very hard metals, oxides, carbides, borides and nitrides has improved substantially over the past forty years. Due …

    Get Price
  • AP-42, CH 11.7: Ceramic Products Manufacturing

    2015-9-10 · temperature in manufacture and/or use. The most common ceramics are composed of oxides, carbides, and nitrides. Silicides, borides, phosphides, tellurides, and selenides also are used to produce ceramics. Ceramic processing generally involves high temperatures, and the resulting materials are heat resistant or refractory.

    Get Price
  • Carbide Formation in Nickel-Base Superalloy MAR

    2019-10-17 · boundaries primarily in the form of carbides and borides and contribute to improved creep performance. The presence of refractory elements (Ta + W + Mo), the addition of Hf, and the elemental segregation during solidification cause the formation of eutectic and carbides in the interdendritic regions [9-11].

    Get Price
  • Ceramics-refractory and abrasive materials,

    Refractory are those materials such can withstand that temperatures. Most of refractory materials are nitrides, carbides, oxides and borides. It should be noted that most elementary metals cannot be utilized for the causes of high temperature applications since they themselves melt or become soft.

    Get Price
  • Chromite—A cost-effective refractory raw material for

    2011-3-3 · Borides 13 Carbides 19 Nitrides 10 Silicides 7 Oxides 11 Total 60 If in addition to a high melting point, the limits of reasonable abundance and reasonable price are introduced, the list reduces to the six oxides on which, together with carbon, silicon carbide and silicon nitride, the vast range of refractory materials are based.

    Get Price
  • Natural precursor based hydrothermal synthesis of

    refractory nature, they have found applications in electronics and photonics. The essential qualities that qualify carbides for making it a refractory material are high melting point and high chemical stability. These conditions are found to be satisfied by interstitial and covalent carbides [1 –3]. Though intermediate and salt-like carbides do

    Get Price
  • Processing Methods for Ultra High Temperature

    UHTC materials are composed of borides, nitrides and carbides of early transition metals. Borides are considered better material compared to nitrides and carbides due to superior mechanical and thermal properties as well as higher oxidation resistance (Opeka et …

    Get Price
  • Production of MgO-X Refractory Material with

    2013-12-24 · Magnesia-carbon refractory materials (MgO-C-X) is extensively used in steel making industry, mainly in steel ladles, basic oxygen (LD) converters, electric arc fur- naces and also in secondary steel making production. Mainly because of its good compatibility, high refractiv- ity, excellent corrosion resistance, thermal shock resis-

    Get Price
  • Intermetallic borides: structures, synthesis and ...

    Structurally ordered intermetallic borides are a large family of inorganic solids with rich bonding schemes, and huge compositional and structural diversity. The family members possess high flexibility to modulate the local electronic structures and surface adsorption properties, providing great opportunitie 2020 Inorganic Chemistry Frontiers Review-type …

    Get Price
  • 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 …

    Get Price