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production of ceramics cubic boron nitride properties

  • Boron nitride │ Technical ceramics

    A wide range of cosmetic quality products also benefit from hexagonal boron nitride powder (hBN). This broad spectrum of applications is due to the properties of boron nitride: the ceramic material is extremely heat-resistant and chemically inert, but at the same time offers an extremely high degree of thermal conductivity and electrical insulation.

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  • How Did Boron Nitride Ceramics Develop Today? |

    Machinable boron nitride (BN) ceramic materials are usually hexagonal. Based on the production method, there are two two different types of BN material: Hot pressed Boron Nitride (HBN) and Pyrolytic Boron Nitride (PBN). Edgetech Industries Ceramics Division is a leading supplier of both types of boron nitride ceramics.

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  • Boron Nitride (BN) Ceramics | Advanced Ceramics Division ...

    2015-1-12 · Cubic boron nitride (CBN) is a lightweight (ρ = 3.45 g/cm 3) ceramic material that is harder than all materials except diamond. As harder ceramics tend to perform better as armor, this material is of interest to the military community. CBN is synthetically produced and is primarily used as an abrasive and in cutting tool applications.

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  • Properties and Performance of Polycrystalline Cubic Boron ...

    2003-11-24 · fore the main consumer of boron nitride ceramics is the steel industry. From the three structural modifications of boron nitride: hexagonal, cubic and wurtzitic which are analo-gous to the carbon modifications graphite, diamond and lonsdaleite, only the hexagonal lattice comes into con-sideration for high-temperature ceramics production.

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  • Boron Nitride: Properties, Production and Applications ...

    2018-12-20 · Boron nitride is divided into two types. One is hexagonal boron nitride, which is similar to graphite and has high-temperature resistance. It is known for its smooth and fine properties. The other is cubic boron nitride, which has excellent hardness and is commonly used for cutting, grinding and drilling.

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  • Processing, Characteristics and Properties of Cubic Boron ...

    2020-4-8 · Boron nitride coating has high temperature lubrication performance, most of the glass will not stick to boron nitride, it is an ideal material in glass processing. It helps to reduce the time required for mold cleaning, make it easier to demould, and improve the service life of mold die, while minimizing the surface defects of glass products. 5.

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  • IMPROVEMENT IN BORON NITRIDE CERAMICS PREPARED BY ...

    2015-1-1 · A comparison between the properties of hard materials as given in the preceeding tables and figures may result in the conclusion that, excluding diamond and cubic boron nitride for certain cutting and grinding operations, alumina, zirconia, silicon nitride, and silicon carbide are basically the most suitable wear resistant materials.

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  • Common Materials and Properties of Industrial Ceramics ...

    Boron nitride. Although boron nitride is used in small amounts in cosmetics, where only 3 to 10 percent boron is added, these ingredients stick to the skin and make it look softer and smoother.. Various grades of boron nitride are used in a wide variety of products. Like diamond and silicon nitride, cubic boron nitride crystals are one of the hardest materials in the world and are excellent …

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  • Boron Nitride - Properties and Applications of BN ...

    Boron Nitride is an advanced synthetic ceramic material available in powder, solid, liquid and aerosol spray forms. Its unique properties – from high heat capacity and outstanding thermal conductivity to easy machinability and superior dielectric strength – make boron nitride a truly outstanding material.

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  • Boron Nitride | Precision Ceramics

    2020-4-8 · Classification of boron nitride coatings in domestic market. 1. Different physical structures of boron nitride raw materials (core differences) There are two kinds of crystal forms of boron nitride: cubic boron nitride and hexagonal boron nitride. Some enterprises use this kind of boron nitride as non stick aluminum coating and sell it at a low ...

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  • Type selection and production practice of boron nitride ...

    Boron carbide is one of the hardest engineering materials known to man (hardness around 30,000 N/mm²) – only diamond and cubic boron nitride are harder. Boron carbide in the form of powder and pastes are therefore ideally suited as an abrasive and lapping agent with a high material removal rate for processing super-hard materials.

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  • Boron carbide │ Technical ceramics

    Cubic boron nitride (CBN) is an allotropic crystalline form of boron nitride almost matching the hardness of diamond. Cubic boron nitride was first synthesized in 1957. The hexagonal crystals are obtained at 2,800°F− 3,700°F and pressures of 3.45 to 6.2 MPa (0.5 to 0.9 × 106psi), in the presence of catalyzers such as alkali metals ...

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  • Cubic Boron Nitride - an overview | ScienceDirect Topics

    Boron nitride (BN) structure, properties, production, uses. The boron nitride It is an inorganic solid formed by the union of a boron atom (B) with a nitrogen atom (N). Its chemical formula is BN. It is a white solid that is highly resistant to high temperatures and is a good conductor of heat. It is used for example to make laboratory crucibles.

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  • Boron nitride (BN) structure, properties, production, uses

    2020-4-1 · Hexagonal boron nitride (h-BN) can reinforce boron carbide (B 4 C) ceramics, but homogeneous dispersion of h-BN is difficult to achieve using conventional methods.Herein, B 4 C/h-BN composites were manufactured via the transformation of cubic (c-) BN during spark plasma sintering at 1800 °C.The effects of the c-BN content on the microstructure, densification, and mechanical properties of …

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  • Densification and mechanical properties of boron carbide ...

    2021-6-9 · Mechanical properties of ultra-hard nanocrystalline cubic boron nitride . V. l. adimir L. Solozhenko,a,* Volodymyr Bushlya b and Jinming Zhou b a LSPM–CNRS, Université Paris Nord, 93430 Villetaneuse, France . b. Division of Production and Materials Engineering, Lund University, 22100 Lund, Sweden

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  • Boron Nitride | Ceramic Materials | Precision Ceramics USA

    2021-7-7 · Boron Nitride is an advanced synthetic ceramic material available in solid and powder form. Its unique properties – from high heat capacity and outstanding thermal conductivity to easy machinability, lubricity, low dielectric constant and superior dielectric strength – make boron nitride a truly outstanding material.

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  • Boron Nitride | Precision Ceramics

    Boron Nitride is an advanced synthetic ceramic material available in powder, solid, liquid and aerosol spray forms. Its unique properties – from high heat capacity and outstanding thermal conductivity to easy machinability and superior dielectric strength – make boron nitride a truly outstanding material.

    Get Price
  • Boron Nitride - Properties and Applications of BN ...

    2020-4-1 · Hexagonal boron nitride (h-BN) can reinforce boron carbide (B 4 C) ceramics, but homogeneous dispersion of h-BN is difficult to achieve using conventional methods.Herein, B 4 C/h-BN composites were manufactured via the transformation of cubic (c-) BN during spark plasma sintering at 1800 °C.The effects of the c-BN content on the microstructure, densification, and mechanical properties of …

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  • 5 Properties Of Ceramics-Different Properties of Ceramic ...

    Boron nitride (BN) structure, properties, production, uses. The boron nitride It is an inorganic solid formed by the union of a boron atom (B) with a nitrogen atom (N). Its chemical formula is BN. It is a white solid that is highly resistant to high temperatures and is a good conductor of heat. It is used for example to make laboratory crucibles.

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  • Densification and mechanical properties of boron carbide ...

    2021-6-4 · Hexagonal Boron Nitride (hBN), an advanced synthetic ceramic, combines a number of useful physical and chemical properties in one material. Saint-Gobain's 60+ years of expertise in harnessing these properties and transforming hexagonal BN into sophisticated solutions to application-specific challenges is unsurpassed in the industry.

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  • Boron nitride (BN) structure, properties, production, uses

    A comprehensive overview of recent developments in the field of non-oxide ceramics with special emphasis placed on the combustion synthesis of group I-VI nitrides and oxynitrides. To ensure the widest possible perspective, the authors are experts in academia, industry, or government research, and each chapter discusses different synthetic methods and process parameters, as well as …

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  • Polycrystalline Cubic Boron Nitride (PCBN) for Machining ...

    2013-12-24 · Predictive Modelling of Etching Process of Machinable Glass Ceramics, Boron Nitride, and Silicon Carbide Chemical etching (CHM) is the oldest non-traditional machining method of removing selected surface areas by immersing the work piece material into a chemical re- agent. The removal process will continuously take place

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  • Boron Nitride | Ceramic Materials | Precision Ceramics USA

    2021-7-7 · Boron Nitride is an advanced synthetic ceramic material available in solid and powder form. Its unique properties – from high heat capacity and outstanding thermal conductivity to easy machinability, lubricity, low dielectric constant and superior dielectric strength – make boron nitride a truly outstanding material.

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  • Boron Nitride | BN Material Properties

    2016-7-29 · Boron Nitride, BN Ceramic Properties. Boron nitride is a white solid material in the as produced hot pressed form. It is a low porosity solid. It is easily machined into complex shapes using standard carbide tooling. The material is anisotropic in its electrical and mechanical properties due to the platy hexagonal crystals and their orientation ...

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  • Boron Carbide | Ceramic Materials | Precision Ceramics USA

    2021-7-8 · Boron Carbide (B4C) Boron Carbide (B4C), also known as black diamond, is the third hardest material after diamond and cubic boron nitride. It is a suitable material for many high performance applications due to its attractive combination of properties. Its outstanding hardness makes it a suitable abrasive powder for lapping, polishing and water ...

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  • Al2O3 Alumina Ceramics - Alumina,Hot Pressed Boron

    Ceramic Boron Nitride Setters for Nitride Ceramics Sintering. Boron Nitride can be compared to graphite thanks to lubrication capacities, good thermal conduction and easy machinability, although it's white and has good electrical insulation. Plus, it isn't wetted by most molten metals and can therefore be used as a container for most molten metals.

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  • Boron Nitride Nanotubes: Properties, Synthesis and ...

    2021-6-29 · Production and Price of Boron. Raw materials prices change daily. They are primarily driven by supply, demand and energy prices. In 2019, prices of pure Boron were at around 2500 /kg. Economically important sources of boron are the minerals colemanite, rasorite (kernite), ulexite and tincal. Together these constitute 90% of mined boron ...

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  • Boron - Properties - Price - Applications - Production

    2020-2-20 · But cubic boron nitride is still, at best, just the world’s second hardest material with a Vickers hardness of around 50 GPa. Its hexagonal form (w-BN) was initially reported to be even harder but these results were based upon theoretical simulations that predicted an indentation strength 18% higher than diamond.19 Jan 2016.

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  • Quick Answer: Why Boron Nitride Is So Hard? - Ceramics

    2021-6-30 · Hexagonal Boron Nitride Powder for Lubricating Oil. Hexagonal boron nitride has a layered structure similar to graphite, with only van der Waals force between the layers. It is an excellent high temperature resistant lubricant artificially synthesized at 2000 ℃. Adding our LP02 into grease and lubricating oil can significantly...

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  • Products - Zibo Kevins Ceramic Materials Co.,Ltd

    2021-6-4 · Chapter 1: Properties of Ceramics. The word ceramics is derived from the Greek word, Keramos, meaning burnt stuff. Ceramics are inorganic, nonmetallic materials that are processed at high temperatures. Ceramics can also be defined as any, hard, brittle, heat, and corrosion-resistant material made from a nonmetallic mineral by shaping and then ...

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  • Chapter 1: Properties of Ceramics | Engineering360

    2021-7-4 · Cubic boron nitride (CBN) It is the second hardest material after diamond. They are generally used in hand machines. They offer high resistance to abrasion and use as an abrasive in grinding wheels. Sharp edges are not recommended. Speed 600-800m/min Hardness - higher than HRC 95 Diamond

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  • IMPROVEMENT IN BORON NITRIDE CERAMICS PREPARED BY ...

    2016-4-1 · fore the main consumer of boron nitride ceramics is the steel industry. From the three structural modifications of boron nitride: hexagonal, cubic and wurtzitic which are analo-gous to the carbon modifications graphite, diamond and lonsdaleite, only the hexagonal lattice comes into con-sideration for high-temperature ceramics production.

    Get Price
  • Boron Nitride | BN Material Properties

    2016-7-29 · Boron Nitride, BN Ceramic Properties. Boron nitride is a white solid material in the as produced hot pressed form. It is a low porosity solid. It is easily machined into complex shapes using standard carbide tooling. The material is anisotropic in its electrical and mechanical properties due to the platy hexagonal crystals and their orientation ...

    Get Price
  • Nitride Ceramics: Combustion Synthesis, Properties and ...

    A comprehensive overview of recent developments in the field of non-oxide ceramics with special emphasis placed on the combustion synthesis of group I-VI nitrides and oxynitrides. To ensure the widest possible perspective, the authors are experts in academia, industry, or government research, and each chapter discusses different synthetic methods and process parameters, as well as …

    Get Price
  • Wurtzite Boron Nitride - Goodfellow-Ceramics

    Like many materials, Boron Nitride is available in more than one crystal form. Each form of the material offers distinctly different properties. The two commonly known crystal forms of Boron Nitride are: Hexagonal Boron Nitride (h-BN): Easily machined. Offers lubricating properties. Cubic Boron Nitride (CBN): High hardness even at high temperature.

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  • Nitride Ceramics: Combustion Synthesis, Properties and ...

    2021-6-27 · A comprehensive overview of recent developments in the field of non-oxide ceramics with special emphasis placed on the combustion synthesis of group I-VI nitrides and oxynitrides. To ensure the widest possible perspective, the authors are experts in academia, industry, or government research, and each chapter discusses different synthetic methods and process …

    Get Price
  • Ceramics | Nitride Powder | Momentive

    Boron Nitride Powder. UP FOR THE MOST DEMANDING APPLICATIONS. Momentive’s boron nitride powders are produced in more than 70 standard and custom grades, in platelet and agglomerate forms – to meet a wide variety of application needs. These powders offer excellent electrical insulator properties, along with a low dielectric constant.

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  • Ceramics - Materials, Joining and Applications - TWI

    Boron carbide (B 4 C) is the third hardest industrial material (after diamond and cubic boron nitride) and is used for components needing very high wear performance. Ceramic-based composites Ceramics are used as the reinforcement of composite systems such as GRP (glass reinforced plastics) and metal matrix composites such as alumina reinforced ...

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  • Boron - Properties - Price - Applications - Production

    2021-6-29 · Production and Price of Boron. Raw materials prices change daily. They are primarily driven by supply, demand and energy prices. In 2019, prices of pure Boron were at around 2500 /kg. Economically important sources of boron are the minerals colemanite, rasorite (kernite), ulexite and tincal. Together these constitute 90% of mined boron ...

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  • Low temperature self-densification of high strength bulk ...

    2019-2-20 · Hexagonal boron nitride (hBN) ceramics are widely-used materials with excellent properties, characterized by its excellent refractory behaviour at high-temperatures, chemical inertness, high ...

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  • 5 Properties Of Ceramics-Different Properties of Ceramic ...

    2019-12-12 · Boron nitride is a crystal composed of a nitrogen atom and a boron atom. Boron nitride crystal structure is divided into: hexagonal boron nitride (HBN), wurtzite boron nitride (WBN), and cubic boron nitride (CBN). Among them, the crystal structure of hexagonal boron nitride has a similar graphite layer structure, and presents a white powder which is loose, lubricated, easy to …

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  • Boron Nitride Uses and Characteristics - Wix.com

    2019-5-26 · A key challenge in current superhard materials research is the design of novel superhard nanocrystals (NCs) whereby new and unexpected properties may be predicted. Cubic boron nitride (c-BN) is a superhard material which ranks next to diamond; however, downsizing c-BN material below the 10 nm scale is rather challenging, and the interesting new properties of c …

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  • Boron Nitride in Manufacturing Tool Applications

    A cubic boron nitride-containing high-density inorganic composite sintered article is produced by a method which essentially consists of preparing a mixture of a cubic boron nitride powder with an inorganic compound powder capable of forming a high-rigidity sintered article under the conditions permitting the cubic boron nitride to remain in a substantially metastable, though not ...

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  • Rapid Synthesis of Sub-5 nm Sized Cubic Boron Nitride ...

    2019-2-19 · Rotary ultrasonic machining (RUM) is suitable particularly for machining hard and brittle materials, such as glass and ceramics. This contribution investigates the machining of poly-crystalline cubic boron nitride (PCBN) by using this advanced machining method. In the experiment, a tool for friction stir welding (FSW) was manufactured.

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  • Method of production of cubic boron nitride-containing ...

    2021-6-4 · Hexagonal Boron Nitride (hBN), an advanced synthetic ceramic, combines a number of useful physical and chemical properties in one material. Saint-Gobain's 60+ years of expertise in harnessing these properties and transforming hexagonal BN into sophisticated solutions to application-specific challenges is unsurpassed in the industry.

    Get Price
  • Boron Nitride Nanotubes: Properties, Synthesis and ...

    2021-7-4 · Cubic boron nitride (CBN) It is the second hardest material after diamond. They are generally used in hand machines. They offer high resistance to abrasion and use as an abrasive in grinding wheels. Sharp edges are not recommended. Speed 600-800m/min Hardness - higher than HRC 95 Diamond

    Get Price
  • Surface Roughness of Poly-crystalline Cubic Boron Nitride ...

    The SiC crude material is carefully crushed, classified, sometimes milled again, and optionally chemically treated in order to obtain the specific properties for which it will be applied. Properties of Silicon Carbide SiC is a ceramic material with an outstanding hardness, only surpassed by diamond, cubic boron nitride and boron carbide.

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  • The role of boron nitride in ceramics and processing ...

    Boron nitride ceramic materials have excellent machining properties and can be processed into complex shapes with very small tolerances as required. The processing of boron nitride ceramic materials should pay attention to the following matters: 1. Boron nitride ceramic materials can be processed with standard high-speed steel cutting tools.

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  • Mechanical behavior of the ceramics containing boron nitride

    A. R. Beketov, V. B. Zhdanov, and I. L. Shabalin, “Production and investigation of the physical and mechanical properties of the composite materials belonging to the sialon-boron nitride-titanium nitride system,” in: Nitrides: Methods of Production, Properties, and Fields of Application, Vol. 2 (Proc. V All-Union Seminar) [in Russian ...

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  • Ceramics | Boron Nitride Ceramics | Thermic Edge

    2021-7-5 · Boron Nitride. Boron Nitride a high grade material used for high temperature application with excellent thermal conductivity, high electrical resistance, low thermal expansion. Aluminium Nitride. With its properties of electrical insulation and excellent thermal conductivity, Aluminium Nitride Ceramics are ideal for applications where heat ...

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  • Boron Nitride | BN Ceramics | Manufacturer | Supplier

    2021-4-26 · The natural white color and other tunable optical properties of hexagonal boron nitride makes it a versatile additive in skin care and color cosmetic formulations. Hexagonal boron nitride has one of the highest thermal conductivities for an electrically insulating material, with an added benefit of superior thermal shock resistance.

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  • Why is Cubic Boron Nitride Called a Superhard Material?

    2021-5-25 · Cubic boron nitride polycrystalline (PCBN) tool is a kind of superhard material product that is formed by the coalescence of many fine grains (0.1~100 micron) CBN. In addition to high hardness and abrasion resistance, it also has the characteristics of high toughness, chemical inertness, red hardness, etc., and can be polished with the cutting ...

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  • Boron Nitride Nanotubes: Properties, Synthesis and ...

    The SiC crude material is carefully crushed, classified, sometimes milled again, and optionally chemically treated in order to obtain the specific properties for which it will be applied. Properties of Silicon Carbide SiC is a ceramic material with an outstanding hardness, only surpassed by diamond, cubic boron nitride and boron carbide.

    Get Price
  • SiC production process | Fiven

    1997-8-1 · A review is given of several important defect production and accumulation parameters for irradiated ceramics. Materials covered in this review include alumina, magnesia, spinel silicon carbide, silicon nitride, aluminum nitride and diamond. Whereas threshold displacement energies for many ceramics ...

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  • Defect production in ceramics (Technical Report) | OSTI.GOV

    Boron nitride has good chemical stability and can resist most of the erosion of molten metal. It also has good self-lubricating properties. Boron nitride products have low hardness and can be machined with an accuracy of 1/100mm. The application of boron nitride ceramic

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  • Industrial Customized Insulating High Purity Bn Boron ...

    Ceramic Materials and Components. Momentive’s innovative ceramic products combine high-purity materials and technical expertise to enhance design flexibility and performance for a diverse range of applications and industries. Our ceramic products and solutions are based on boron nitride, titanium diboride and graphite material systems.

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