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uses of refractory materials borides and carbides

  • Handbook of refractory carbides and nitrides:

    1997-12-31 · THE ANALYSIS OF REFRACTORY BORIDES, CARBIDES, NITRIDES, AND SILICIDES. Technical Report Kriege, O H. Methods are presented for the analysis of 41 refractory materials. An evaluation of the accuracy and the precision of these techniques are also given The materials studied are the borides of hafnium, molybdenum, niobiumL rhenium, tantalum ...

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  • THE ANALYSIS OF REFRACTORY BORIDES, CARBIDES,

    2021-5-17 · Methods are presented for the analysis of 41 refractory materials. An evaluation of the accuracy and the precision of these techniques are also given The materials studied are the borides of hafnium, molybdenum, niobiumL rhenium, tantalum, thorium, …

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  • The Physics and Chemistry of Carbides, Nitrides and

    2 天前 · with refractory carbides, nitrides and borides.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

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  • Handbook Of Refractory Carbides Nitrides Properties ...

    Carbides, nitrides and borides are families of related refractory materials. Traditionally they have been employed in applications associated with engineering ceramics where either high temperature strength or stability is of primary importance. In recent years there has been a growing awareness of

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  • The Physics and Chemistry of Carbides, Nitrides and

    osti.gov journal article: the ultra-refractory ceramics: carbides, nitrides, and borides.

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  • THE ULTRA-REFRACTORY CERAMICS: CARBIDES,

    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. …

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  • Borides and Carbides of Transition Elements

    2021-5-25 · The Physics and Chemistry of Carbides, Nitrides and Borides This exhaustive work in three volumes with featuring cross-reference system provides a thorough overview of ultra-high temperature materials – from elements and chemical compounds to alloys and composites.

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  • Handbook Of Refractory Carbides Nitrides Properties ...

    2019-2-4 · refractory materials. These refractories are produced from Chinaclay, Asbestos (Kieselguhr), Glass wool, Mica (Vermiculite), Bubble alumina, Carbon, Paper wool, Ceramic fibers, Saw dust etc. Cermets. Under this category come the refractories produced from the mixtures of high purity Refractory Oxides, Carbides, Borides, and Metals or Alloys.

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  • HOW TO CLASSIFY REFRACTORY MATERIALS - idc

    Comprehensive Hard Materials deals with the production, uses and properties of the carbides, nitrides and borides of these metals and those of titanium, as well as tools of ceramics, the superhard boron nitrides and diamond and related compounds. Articles include the technologies of powder production (including their precursor materials), milling, granulation, cold and hot compaction ...

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  • Handbook Of Refractory Carbides Nitrides Properties ...

    Refractory compound materials (carbides, nitrides, borides, silicides, etc.) and their composites; The composite material of oxides and refractory metals with a high melting point (cermet); High-temperature amorphous material and inorganic coating; High-temperature fiber and …

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  • Handbook Of Refractory Carbides Nitrides Properties ...

    2 天前 · with refractory carbides, nitrides and borides.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

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  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-5-26 · 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. The industrial importance of the refractory carbides and nitrides is growing rapidly, not only in the traditional and well-established ...

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  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-5-26 · 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. The industrial importance of the refractory carbides and nitrides is growing rapidly, not only in the traditional and well-established ...

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  • Cathode Source Materials 8.28 - kore.co.uk

    2020-4-8 · Cathode Source Materials ~ Borides, Carbides, Refractory Metals Overview: APTech is a specialty producer and supplier of CeBix® cathodes (cerium hexaboride), LaB6 cathodes (lanthanum hexaboride), HfC cathodes (hafnium carbide), CFE and ESE sources. Our cathodes have been used in many different applica ons: microscopy, microanalysis, addi ve

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  • Refractories and Classification of Refractories –

    2017-4-30 · The first type is oxide-containing refractories. They are namely based on oxides and their compounds, the most important oxides are Al2O3, CaO, MgO, SiO2, Cr2O3, and ZrO2. The second type is non-oxide refractories. Example of non-oxide refractories are carbon-based refractory materials, and carbides, nitrides, borides, and silicides.

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  • 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.

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  • NASA Technical Reports Server (NTRS)

    2007-5-14 · Some very high-temperature materials are being developed, including refractory metal alloys, carbides, borides, and silicides. System design requires data for materials properties at operating temperatures. Materials property data are not available for many materials of interest at the desired operating temperatures (up to approx. 3000 K).

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  • [PDF] Proceedings 9Th International Symposium On

    The Physics and Chemistry of Carbides Nitrides and Borides Book Description : Carbides, nitrides and borides are families of related refractory materials. Traditionally they have been employed in applications associated with engineering ceramics where either high temperature strength or …

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  • Carbides | AMERICAN ELEMENTS

    2021-5-24 · Carbides are compounds in which the anion is one or more carbon atoms. Most metals form carbide compounds, though not all--indium and gallium, for example, do not. American Elements' manufacturing emphasizes production of metallic carbide materials including boron carbide, cobalt carbide, chromium carbide, hafnium carbide, molybdenum carbide, niobium carbide, tantalum carbide, …

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  • New Superhard Ternary Borides in Composite

    2011-7-20 · Combining borides (B 4 C, TiB 2 et al) with carbides (MeC, WC-Co et al) allows their chemical interactions upon heating, the building up of eutectics etc. This can result in densification of the composite material without applying of any additional pressure as well as in enhanced physico-mechanical properties due to the arising of superhard ...

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  • Ceramics | Types, Applications, Properties, Advantages ...

    2019-3-25 · Ceramics are compounds of metals and non-metals. They have ionic atomic bonding.They include insulating materials, glass, refractories, abrasives & enamels

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  • New Superhard Ternary Borides in Composite Materials

    2018-9-25 · New Superhard Ternary Borides in Composite Materials 63 heating was carried out in a large-scale Bor 6-CM-3 installation for deposition of boride coating on K10 plates. For simultaneous boron-zirkonizing (or boron-chromizing) of steel samples by powdery borides ZrB 2 (CrB 2) and some activators were used the heating occurring at 950-1050 oC in

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  • NANO-CRYSTALLINE REFRACTORY METAL CARBIDES,

    The precursor to this material contains nanoparticles or particles of boron, silicon, iron, a refractory metal, or a refractory metal hydride, an organic compound having carbon and hydrogen, and a filler material. Multilayered materials are also disclosed.

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  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-5-25 · The Physics and Chemistry of Carbides, Nitrides and Borides This exhaustive work in three volumes with featuring cross-reference system provides a thorough overview of ultra-high temperature materials – from elements and chemical compounds to alloys and composites.

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  • US4595545A - Refractory metal borides and

    Refractory metal borides, carbides, nitrides and mixtures thereof of the Group IVb, Vb and VIb metals are produced from a glass or microcrystalline gel formed from organo-metallic precursors. Typically TiO 2 .B 2 O 3 glass is produced by hydrolysis of titanium butoxide and trimethyl borate, followed by gelling/drying. The glass may have carbon inclusions or may be mixed with carbon or aluminum ...

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  • NASA Technical Reports Server (NTRS)

    2007-5-14 · Some very high-temperature materials are being developed, including refractory metal alloys, carbides, borides, and silicides. System design requires data for materials properties at operating temperatures. Materials property data are not available for many materials of interest at the desired operating temperatures (up to approx. 3000 K).

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  • The Vapor‐Phase Deposition of Refractory Materials: I ...

    2019-12-12 · Reset your password. If you have a user account, you will need to reset your password the next time you login. You will only need to do this once.

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  • Combustion joining of refractory materials:

    2009-8-31 · Refractory materials such as carbon possess properties that make joining them difficult. In this work, bonding of a carbon–carbon composite is achieved by employing self-sustained, oxygen-free, high-temperature combustion reactions. The effects of several parameters, such as the composition of the reaction media, and the values

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  • New Superhard Ternary Borides in Composite Materials

    2018-9-25 · New Superhard Ternary Borides in Composite Materials 63 heating was carried out in a large-scale Bor 6-CM-3 installation for deposition of boride coating on K10 plates. For simultaneous boron-zirkonizing (or boron-chromizing) of steel samples by powdery borides ZrB 2 (CrB 2) and some activators were used the heating occurring at 950-1050 oC in

    Get Price
  • Comprehensive Hard Materials - 1st Edition

    2014-2-1 · Comprehensive Hard Materials deals with the production, uses and properties of the carbides, nitrides and borides of these metals and those of titanium, as well as tools of ceramics, the superhard boron nitrides and diamond and related compounds. Articles include the technologies of powder production (including their precursor materials), milling, granulation, cold and hot compaction ...

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  • Preparation of Ceramics, Cermets, Nitrides, Borides and ...

    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 to their

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  • Ceramics | Types, Applications, Properties, Advantages ...

    2019-3-25 · Ceramics are compounds of metals and non-metals. They have ionic atomic bonding.They include insulating materials, glass, refractories, abrasives & enamels

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  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-5-20 · Advanced Catalytic Materials 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 ...

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  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-5-25 · The Physics and Chemistry of Carbides, Nitrides and Borides This exhaustive work in three volumes with featuring cross-reference system provides a thorough overview of ultra-high temperature materials – from elements and chemical compounds to alloys and composites.

    Get Price
  • Cobalt Boride - an Inorganic Compound - Assignment

    2021-5-22 · These are refractory materials. The uses of borides and related compounds are mainly based on the their hardness, chemical inertness, and magnetic and electrical properties. Applications. Materials Science; Cobalt boride is known to be exceptionally resistant to oxidation, a chemical property which makes compound useful in the field of ...

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  • International Journal of Refractory Metals and Hard

    2021-5-19 · Hard materials that are included in the scope of this journal are defined as materials with hardness values higher than 1000 kg/mm2, primarily intended for applications as manufacturing tools or wear resistant components in mechanical systems. Thus they encompass carbides, nitrides and borides of metals, and related compounds.

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  • US4595545A - Refractory metal borides and

    Refractory metal borides, carbides, nitrides and mixtures thereof of the Group IVb, Vb and VIb metals are produced from a glass or microcrystalline gel formed from organo-metallic precursors. Typically TiO 2 .B 2 O 3 glass is produced by hydrolysis of titanium butoxide and trimethyl borate, followed by gelling/drying. The glass may have carbon inclusions or may be mixed with carbon or aluminum ...

    Get Price
  • Comprehensive Hard Materials - Research and Markets

    Comprehensive Hard Materials deals with the production, uses and properties of the carbides, nitrides and borides of these metals and those of titanium, as well as tools of ceramics, the superhard boron nitrides and diamond and related compounds. Articles include the technologies of powder production (including their precursor materials), milling, granulation, cold and hot compaction ...

    Get Price
  • 9780080965277: Comprehensive Hard Materials -

    Comprehensive Hard Materials deals with the production, uses and properties of the carbides, nitrides and borides of these metals and those of titanium, as well as tools of ceramics, the superhard boron nitrides and diamond and related compounds. Articles include the technologies of powder production (including their precursor materials), milling, granulation, cold and hot compaction ...

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  • Ultra-High-Temperature Ceramics U

    2013-10-10 · Ceramic Materials Currently, UHTCs are based on ceramics and composites containing carbides and borides of zirconium, hafnium, and tantalum (sometimes used as composites with other ceramics such as silicon carbide); these are some of the highest melting point materials available. Typical melting points of UHTCs are shown in Table 1.

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  • Materials | Plasma Processes

    Materials that dissociate, decompose or sublime at elevated temperatures can also be deposited when combined with other materials. Thus most metals; intermetallics; alloys, all forms of ceramics including oxides, borides, silicides, etc; cermets; and some polymers can be deposited by one or more of our thermal spray processes.

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  • Topochemical Deintercalation of Li from Layered LiNiB ...

    2021-3-24 · The pursuit of two-dimensional (2D) borides, MBenes, has proven to be challenging, not the least because of the lack of a suitable precursor prone to the deintercalation. Here, we studied room-temperature topochemical deintercalation of lithium from the layered polymorphs of the LiNiB compound with a considerable amount of Li stored in between [NiB] layers (33 at. % Li). Deintercalation of Li ...

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  • Symposium: Refractory Metals and Hard Materials

    2014-3-14 · addition to advances in hard materials, this session deals with the production, uses and properties of the carbides, nitrides and borides of these metals and those of titanium as well as tools of ceramics, the superhard boron nitrides and diamond, and related compounds. Publications are also covered on the technologies of powder

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  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-5-18 · Handbook of Refractory Carbides & Nitrides 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 ...

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  • Materials Under Extreme Conditions - GBV

    2021-5-19 · Hard materials that are included in the scope of this journal are defined as materials with hardness values higher than 1000 kg/mm2, primarily intended for applications as manufacturing tools or wear resistant components in mechanical systems. Thus they encompass carbides, nitrides and borides of metals, and related compounds.

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

    2021-5-18 · Handbook of Refractory Carbides & Nitrides 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 ...

    Get Price
  • International Journal of Refractory Metals and Hard

    2 天前 · Hard materials that are included in the scope of this journal are defined as materials with hardness values higher than 1000 kg/mm 2, primarily intended for applications as manufacturing tools or wear resistant components in mechanical systems. Thus they encompass carbides, nitrides and borides of metals, and related compounds.

    Get Price
  • Amazon.com: Comprehensive Hard Materials

    Comprehensive Hard Materials deals with the production, uses and properties of the carbides, nitrides and borides of these metals and those of titanium, as well as tools of ceramics, the superhard boron nitrides and diamond and related compounds. Articles include the technologies of powder production (including their precursor materials), milling, granulation, cold and hot compaction ...

    Get Price
  • NASA Technical Reports Server (NTRS)

    2007-5-14 · Some very high-temperature materials are being developed, including refractory metal alloys, carbides, borides, and silicides. System design requires data for materials properties at operating temperatures. Materials property data are not available for many materials of interest at the desired operating temperatures (up to approx. 3000 K).

    Get Price
  • Carbide - chemeurope.com

    In this respect boron carbide is similar to the boron rich borides. Both silicon carbide, SiC, (carborundum) and boron carbide, B 4 C are very hard materials and refractory. Both materials are important industrally. Boron also forms other covalent carbides, e.g. B 25 C. Interstitial carbides Properties

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  • Comprehensive Hard Materials 1, Mari, Daniele,

    Comprehensive Hard Materials deals with the production, uses and properties of the carbides, nitrides and borides of these metals and those of titanium, as well as tools of ceramics, the superhard boron nitrides and diamond and related compounds. Articles include the technologies of powder production (including their precursor materials), milling, granulation, cold and hot compaction ...

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  • Technological Innovation | Hydro-Québec

    Composite materials for wettable cathodes and use thereof for aluminium production. The invention relates to a composite material of formula: (C-N-B-MR)x(Al-MR)y(R)Z in which C-N-B-MR is one or more carbides, nitrides or borides of one or more refractory metals of group IV, V or VI of the Periodic Table and/or one or more aluminium carbides, nitrides or borides chosen from Al4C3, AlN, AlB2 and ...

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  • Boron Carbide (B4C) - News | Materials Engineering |

    2001-2-9 · Background. Boron Carbide (B 4 C) is one of the hardest materials known, ranking third behind diamond and cubic boron nitride. It is the hardest material produced in tonnage quantities. Originally discovered in mid 19 th century as a by-product in the production of metal borides, boron carbide was only studied in detail since 1930.. Boron carbide powder (see figure 1) is mainly produced …

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  • Structural clay products | Britannica

    2 天前 · Structural clay products, ceramic products intended for use in building construction. Typical structural clay products are building brick, paving brick, terra-cotta facing tile, roofing tile, and drainage pipe. These objects are made from commonly occurring natural materials, which are mixed with

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