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refractory materials borides and carbides manufacturing process

  • Process for preparing refractory borides and carbides ...

    The process is operative at temperatures considerably lower than those in general use for the preparation of such refractory materials. As is well known, certain borides and carbides are highly refractory and are useful in the fabrication of products capable of withstanding high temperatures and physical and chemical attack. Titanium diboride ...

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  • Processing of Refractory Metal Borides, Carbides and ...

    Because of the high melting points of refractory metal carbides, nitrides and silicides there is a need for processes like self-combustion high temperature synthesis (SHS), spark plasma sintering ...

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  • 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 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 ...

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  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-5-17 · Processing And ApplicationsRefractory 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.

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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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  • 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. …

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  • 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, chemical attack and

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  • Boron and refractory borides (Book) | OSTI.GOV

    2021-5-22 · @article{osti_6481675, title = {Boron and refractory borides}, author = {Matkovich, V I}, abstractNote = {A review of boron and refractory borides is presented. The review is divided into theoretical considerations, preparation and properties, and special applications which include protective armor, nuclear applications, coating, and reinforcing materials.

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  • Materials Science of Carbides, Nitrides and Borides |

    Materials Science of Carbides, Nitrides and Borides. Editors: Gogotsi, Yury G., Andrievski, R.A. (Eds.) ... oxidation and corrosion, mechanical behaviour, manufacturing and applications. ... Roughly equal numbers of papers cover theoretical and experimental research in the general field of materials science of refractory materials.

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  • HOW TO CLASSIFY REFRACTORY MATERIALS - idc

    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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  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-5-20 · Advanced Catalytic Materials Refractory carbides and nitrides are useful materials with numerous ... both university and industrial environments working on or with refractory carbides, nitrides and borides. ... The final chapter deals with ion implantation as a major process in the fabrication of semiconductors. This book is a valuable resource ...

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  • Materials Science of Carbides, Nitrides and Borides ...

    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.

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  • Simple synthesis of nano-sized refractory metal

    2011-9-1 · Carbides of transition metals in Groups IV–VI are widely used in the manufacture of cutting and drilling tools and wear-resistant parts in many types of machines because of their attractive properties such as high hardness, wear and erosion resistance, and stability at high temperatures [1, 2].Recently, they have also been used as catalysts for manufacturing organic materials [3–5].

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  • 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 graphite.

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  • Materials Science of Carbides, Nitrides and Borides |

    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

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  • TECHNICAL NOTE 2751 - NASA

    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

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  • Method of coating alumina particles with refractory ...

    The abrasive particles of claim 1 wherein said refractory material is selected from a group consisting of metal borides, carbides and nitrides. ... carbide or nitride refractory material, said process comprising ... The preferred alumina-based particles which are coated with the refractory materials according to the present invention include ...

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  • International Journal of Refractory Metals and Hard

    2021-5-23 · CiteScore: 2020: 5.5 CiteScore measures the average citations received per peer-reviewed document published in this title. CiteScore values are based on citation counts in a range of four years (e.g. 2016-2019) to peer-reviewed documents (articles, reviews, conference papers, data papers and book chapters) published in the same four calendar years, divided by the number of these documents …

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  • Porous refractory materials - Rolls-Royce Limited

    Porous refractory materials . United States Patent 4332753 . Abstract: A method of making a porous refractory shape comprises impregnating a sponge with a refractory material carried in a suspension, evaporating the suspension, placing the impregnated sponge on a plurality of rolling elements carried by a support base and firing the supported ...

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  • Solid combustion processes for improved synthesis of

    OSTI.GOV Conference: Solid combustion processes for improved synthesis of non-oxide materials Title: Solid combustion processes for improved synthesis of non-oxide materials Full Record

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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 ... both university and industrial environments working on or with refractory carbides, nitrides and borides. ... The final chapter deals with ion implantation as a major process in the fabrication of semiconductors. This book is a valuable resource ...

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  • Precursor Polymers to Refractory Metal Carbides and

    2021-5-9 · The present invention provides a method for producing precursor polymers which decompose to a substantially pure refractory metal carbide or refractory metal boride. The method comprises mixing a transition metal compound with either (a) an organometallic, or (b) a backbone polymer comprising a plurality of unsaturated carbon-carbon bonds. The mixing occurs under conditions

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  • Simple synthesis of nano-sized refractory metal

    2011-9-1 · Carbides of transition metals in Groups IV–VI are widely used in the manufacture of cutting and drilling tools and wear-resistant parts in many types of machines because of their attractive properties such as high hardness, wear and erosion resistance, and stability at high temperatures [1, 2].Recently, they have also been used as catalysts for manufacturing organic materials [3–5].

    Get Price
  • Cathode Source Materials 8.28 - Kore

    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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  • 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
  • Handbook Of Refractory Carbides Nitrides Properties ...

    2021-5-17 · over or about 2500 °C. The first volume focuses on carbon (graphite/graphene) and refractory metals (W, Re, Os, Ta, Mo, Nb, Ir). The second and third volumes are dedicated solely to refractory (ceramic) compounds (oxides, nitrides, carbides, borides, silicides) and to the complex materials – refractory alloys, carbon and ceramic

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  • High temperature, refractory materials, bricks, fibers ...

    Spontaneous formation of multilayer refractory carbide coatings in a molten salt media, L Constantin, L Fan, M Pouey, J Roger, B Cui, Jean-François Silvain, and Yong Feng Lu, Proceedings of the National Academy of Sciences of the United States of America, 29 March, 2021. Partial replacement of a traditional raw material by blast furnace slag in developing a sustainable conventional refractory ...

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  • 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.

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  • Metallization | IJ Research, Inc.

    To meet the ever increasing demand for AlN metallized substrates, IJ Research has developed its own process and refractory paste system compatible with AlN. MT Metallization: MT metallization is a slightly lower temperature technique commonly used on stabilized zirconia, borides, carbides, nitrides and carbon materials such as diamond, graphite ...

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  • High-Temperature Materials For Gas Turbines And

    2018-8-13 · Gas turbines are prominent pieces of engineering with high material standards. As explained in the previous article “How new materials can improve gas turbines”, these engines require of some of the highest performance materials known, to achieve higher efficiency rates. Increasing the operational temperature is usually seen as the most important factor to improve efficiency, and for that ...

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

    2021-5-20 · Advanced Catalytic Materials Refractory carbides and nitrides are useful materials with numerous ... both university and industrial environments working on or with refractory carbides, nitrides and borides. ... The final chapter deals with ion implantation as a major process in the fabrication of semiconductors. This book is a valuable resource ...

    Get Price
  • Cathode Source Materials 8.28 - Kore

    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

    Get Price
  • Refractory materials | Metallurgy for Dummies

    2020-7-6 · 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 and graphite.

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  • International Journal of Refractory Metals and Hard

    2021-5-22 · 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.

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  • Symposia – ISNNM 2020

    Refractory metals and hard materials are an attractive and potential option for the high-temperature and high-pressure applications. This symposium will address alloy design, recent advances of manufacturing process, mechanical properties and applications of refractory metals and hard materials as well as associated coating systems (not include ...

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  • Refractory Metal Oxides | Treibacher Industrie AG

    Refractory metal oxides. Refractory metal oxides withstand high loads in mechanical and process engineering applications and are highly resistant to heat and wear. With their high melting point, refractory metal oxides are used in applications like bio and dental ceramics, precision investment casting, glass fusion or as catalysts.

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  • 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 …

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  • Return completed form to [email protected]

    2020-11-20 · Discussions of new and developing process methods including additive manufacturing, cold spray, metal injection molding, field assisted sintering technology is included. Coverage of conventional processes with new capabilities and resulting novel materials and properties including developments in nano-structured refractory metals and

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  • Carbides, Ceramics and Glass Materials | Engineering360

    2020-8-17 · Sapphire materials and sapphire components consist of a single-crystal or monocrystalline form of aluminum oxide (Al2O3). As ceramic materials, they have superior hardness, mechanical and optical properties. Applications include jewel bearings, …

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  • Selective Laser Sintering in Reactive Atmospheres:

    1 天前 · Selective laser reaction sintering techniques (SLRS) were investigated to produce near net-shape non-oxide ceramic materials that were previously incompatible with powder-bed fusion additive manufacturing (AM) methodologies. Specifically, reaction-bonded layers of carbide and nitride materials (Cr 3 C 2 and CrN) were fabricated using SLRS from a model system of Cr and Cr 2 O 3 precursor materials.

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  • Refractory Material Testing - Lab Testing Services for ...

    2020-3-5 · Refractory materials are basically inorganic non-metallic substances which are composed of thermally stable mineral aggregates, a binder phase, and additives. Refractory substances are supposed to be able to withstand the varying degrees of severity in terms of exposure to abrasive and corrosive solids, liquids, or gases at extremely high ...

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  • 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.

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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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  • Carbide, Nitride and Boride Materials Synthesis and ...

    2012-12-6 · 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. The subject matter ranges from materials properties …

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  • Symposia – ISNNM 2020

    Refractory metals and hard materials are an attractive and potential option for the high-temperature and high-pressure applications. This symposium will address alloy design, recent advances of manufacturing process, mechanical properties and applications of refractory metals and hard materials as well as associated coating systems (not include ...

    Get Price
  • Unique material innovations reduce costs in

    2020-11-4 · 耐火材料的全球市场:2020年~2027年 Global Refractories Market - 2020-2027 出版日期: 2020年11月04日 内容资讯: 英文

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  • High-Temperature Materials For Gas Turbines And

    The polymer-based reaction bonding synthesis route yields net shape carbides, nitrides and borides from compressed powder mixtures of metal precursors and carbon-rich resins with high char yields. In addition, the approach is pressureless and incorporates a one-step reactive melt infiltration process that converts preceramic mixtures into dense ...

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  • ToughMet Alloys Improve Operations for H.C. Starck

    2018-8-13 · Gas turbines are prominent pieces of engineering with high material standards. As explained in the previous article “How new materials can improve gas turbines”, these engines require of some of the highest performance materials known, to achieve higher efficiency rates. Increasing the operational temperature is usually seen as the most important factor to improve efficiency, and for that ...

    Get Price
  • Materials | Special Issue : Production and

    2021-3-11 · H.C. Starck’s Coldwater location began manufacturing in 1958 and played an essential role in using the arc cast process. This process is still used to melt the highest quality molybdenum ingots. In the mid-70s, a 5,500-ton capacity horizontal extrusion press was installed for …

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