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granular refractory materials using method

  • Refractory > ASTM C357

    The method involves positioning the movable wall into the metallurgical vessel, introducing the granular refractory material between an internal face of the metallurgical vessel and the movable wall, heating the granular refractory material to sinter the internal face, transversely displacing the movable wall, and repeating the above steps until a lining is complete on the internal faces of the metallurgical vessel.

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  • Method for installation of refractory material into a ...

    C492-92(2017)e1 Standard Test Method for Hydration of Granular Dead-Burned Refractory Dolomite. C544-18 Standard Test Method for Hydration of Dead-Burned Magnesite or Periclase Grain. C545-97(2018) Standard Classification of Zircon Refractories. C577-19 Standard Test Method …

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  • ASTM International - BOS Volume 15.01 Refractories ...

    The investigations on the experimental device developed at the All-Union Institute of Refractories demonstrated that the hot-wire method can be used for refractories with a low or moderate thermal conductivity [λ<2–2.5 W/m·deg K] over the temperature range 20–900°C with an error of about 10%.

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  • Method of producing wearing lining from granular ...

    With the Discrete Element Method it is possible to model materials that consists of individual particles where a particle may role or slide on other particles. This is interesting because most of the deformation in granular materials is due to rolling or sliding rather that compression of the grains.

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  • Hot-wire method of determining the thermal

    In this work, the piping flow of cohesive granular materials in a flat-bottomed silo is investigated using finite element method (FEM).

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  • Modelling of Granular Materials Using the Discrete

    Contact plasticity in the model is shown to affect the flowability significantly and is thus essential for producing satisfactory computations of the behaviour of a cohesive granular material. The model predicts a linear relationship between a normalized unconfined compressive strength and the product of coordination number and solid fraction.

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  • Micromechanical analysis of cohesive granular

    2019-7-15 · Discrete Element Method (DEM), first carried out by Cundall et al. [ 7 ], and one of the common numerical methods used in the simulation of the solid phase, provides strong insight into the discontinuous and heterogeneous characteristics of granular materials.

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  • ISO - ISO 8840:1987 - Refractory materials —

    Two methods for the determination of the bulk density of granular refractory materials (grain density) having a grain size larger than 2mm are specified. Method 1 (mercury method with vacuum) is intended as a referee method. Method 2 is the arrested water absorption method. The …

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  • Refractory Materials for Secondary Steelmaking

    2020-1-4 · the corrosion resistance of refractory parts by modifying their porosities [6–8]. The discrete element method (DEM) is a numerical method that is widely accepted as a useful tool to analyze the behavior of granular materials and solve di erent engineering problems, such as granular flows, powder mechanics, and rock mechanics [9].

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  • ASTM C357-07(2015) - Standard Test Method for Bulk

    Standard Test Method for Bulk Density of Granular Refractory Materials. 1.1 This test method covers a procedure for determining the bulk density of granular refractory materials, commercial products which usually have particles that are retained on a 0.265-in. (6.7-mm) or coarser sieve. Note 1: This test method is not suitable for materials ...

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  • ASTM-C357 | Standard Test Method for Bulk Density

    3.1 Granular refractory materials may be either refractory grain raw materials that are used in the manufacture of finished refractory products, or bulk granular refractory materials that are sold, with or without some degree of processing, to refractory consumers for various uses. In either case, characterizing the properties of a granular refractory material is essential in evaluating its ...

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  • Hot-wire method of determining the thermal

    The hot-wire method gives satisfactory results even when λ is low, i.e., 0.05–0.18 W m·deg K [in the standard method (GOST 12170-76) the lower limit in the determination of the thermal conductivity of refractories is 0.18 W/m·deg K]. The method is convenient for determining the thermal conductivity of refractories in granular and powder form.

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  • Refractory Testing - ccrtlab.com

    Sr. No. Test Parameter Test Method Reference Code; 1: Abrasions resistance of Refractory materials at room temperature: ASTM C-704, IS: 1528 (Part-23)2011: 2: Size and bulk density of refractory brick and insulating firebrick: ASTM C-134, IS: 1528 (Part-12)2007,

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  • Thermal shock resistance and the mechanical

    We obtained zirconium- and cerium-oxide-based refractory materials having a layered-granular structure. The mathematical experimental-planning method was used for establishing the contribution of the technological parameters involved in the production of such materials to their properties. It was shown that there is a significant improvement (by 2.5–4 times) in the thermal shock resistance ...

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  • Micromechanical analysis of cohesive granular

    Micromechanical analysis of cohesive granular materials using the discrete element method with an adhesive elasto-plastic contact model June 2014 Granular Matter 16(3):383-400

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  • Quantitative evaluation of surface roughness for

    This contribution proposes a methodology to measure the surface roughness of granular materials using the Gaussian filter. Artificially generated rough surfaces with known root mean square roughness (S q) combined with the spherical shape are analysed to determine the optimum cut-off wavelength (σ ∗) adopted in the Gaussian filter.Considering a combined dependency of S q and particle size ...

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  • Numerical Simulations for Large Deformation of Granular ...

    Materials Using Smoothed Particle Hydrodynamics Method Wei Chen1 and Tong Qiu, M. ASCE2 Abstract: Application of the smoothed particle hydrodynamics (SPH) method to the simulation of granular ...

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  • Standard Test Method for Hydration of Granular Dead

    Refractory Materials E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves 3. Significance and Use 3.1 The hydration of dead-burned dolomite grains is an important aspect of both manufacturing and using such grains. Moisture from any source will cause the grains to partially disintegrate, eventually making the dead-burned dolomite ...

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  • Granular-structure chromium-bearing refractories ...

    2008-10-18 · Research at the company has provided a technology for making various chromium-bearing refractory materials of granular structure resistant to corrosive melts and of thermal resistance elevated by comparison with dense materials [6]. Figure 1 shows the scheme for producing them.

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  • Rapid granulation using calcium sulfate and polymers

    2020-6-1 · This work describes a new method for the facilitation of granule formation during the treatment of toxic and refractory wastewater using UASB reactors. 2. Materials and methods2.1. UASB reactors and operation procedures. The experiments were performed using four lab-scale UASB reactors with an internal diameter of 80 mm, a height of 1000 mm ...

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  • Refractory Testing - ccrtlab.com

    Sr. No. Test Parameter Test Method Reference Code; 1: Abrasions resistance of Refractory materials at room temperature: ASTM C-704, IS: 1528 (Part-23)2011: 2: Size and bulk density of refractory brick and insulating firebrick: ASTM C-134, IS: 1528 (Part-12)2007,

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  • Characterization of porous media and refractory

    A three-dimensional (3-D) computer program is developed to simulate the packing behavior of granular materials at a loose state using a 'drop and roll' method. This study provides a systematic characterization of the LFC refractory coating slurries, dried refractory coating, and the granular media.

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  • 13 Types of Refractory Materials and Their Applications

    Bulk Volume Determination using the Sand Pycnometry Method with other Granular Materials. May 2020 ... apparent speci c gravity, and bulk density of burned refractory . brick and shapes by boiling ...

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  • Refractory, what is it and what does it do? | African ...

    T1 - Micromechanical analysis of cohesive granular materials using the discrete element method with an adhesive elasto-plastic contact model. AU - Thakur, Subhash C. AU - Morrissey, John P. AU - Sun, Jin. AU - Chen, J. F. AU - Ooi, Jin Y. PY - 2014/6/30. Y1 - 2014/6/30

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  • Bulk Volume Determination using the Sand

    2015-7-1 · Granular Matter (2014) 16:383–400 DOI 10.1007/s10035-014-0506-4 ORIGINAL PAPER Micromechanical analysis of cohesive granular materials using the discrete element method with an adhesive elasto-plastic contact model Subhash C. Thakur · John P. Morrissey · Jin Sun · J. F. Chen · Jin Y. Ooi Received: 29 June 2013 Published online: 21 May 2014

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  • ISO 8840 - European Standards

    Two methods for the determination of the bulk density of granular refractory materials (grain density) having a grain size larger than 2mm are specified. Method 1 (mercury method with vacuum) is intended as a referee method. Method 2 is the arrested water absorption method. The …

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  • High Alumina Castable Refractory

    Methods of test for dense shaped refractory products - Part 18: Determination of bulk density of granular materials by the water method with vacuum: ČSN EN 993-19 : Methods of test for dense shaped refractory products - Part 19: Determination of thermal expansion by a differential method: ČSN EN 993-2

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  • Refractory materials, ceramic materials, silicate materials

    2012-5-10 · fabrication using a wide variety of heretofore non-printable media. Other printing techniques, such as stereolithography and molten polymer deposition, were limited to use with plastics or certain types of metal, whereas the granular binding method could work with materials as diverse as sugar, powdered metals, cement, or ceramics.

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  • Mechanical Testing of Rapid Prototyping Refractory

    2020-10-19 · February 23, 2021 - ISO. This International Standard specifies three methods for the determination of the bulk density of granular refractory materials (grain density) having a grain size larger than 2 mm: - Method 1 : the mercury method with vacuum, - Method 2 : the arrested water absorption method, - Method 3 :...

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  • Refractory - Standards Search | Engineering360

    2019-6-28 · Plastic gunning refractory consisting of carefully selected refractory aggregate and highly-pliable clay, adjusted into a workable form with the addition of moisture. The product is supplied in granular clay-like form. Using AGC Plibricoʼs independently developed specialized gunning machine (HyRATE unit), it is now possible to

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  • AGC Plibrico Monolithic Refractories

    2019-9-4 · Refractory chamber constructed of insulating materials to retain heat at high operating temperatures. Hearth to support or carry the steel, which consists of refractory materials supported by a steel structure, part of which is water-cooled. Burners that use liquid or gaseous fuels to raise and maintain the temperature in the chamber.

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  • FURNACES AND REFRACTORIES - Modern Eq

    2016-7-22 · SECTION 2 INSULATION MATERIALS AND PROPERTIES MP-4 l. Fire retardancy: Flame spread and smoke developed ratings are of vital importance; referred to as 'surface burning characteristics'. m. Resistance to ultraviolet light: Significant if application is outdoors and high intensity indoors. n. Resistance to fungal or bacterial growth: Is important in all insulation applications.

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  • SECTION 2: INSULATION MATERIALS AND PROPERTIES

    stabilised materials nor the sa fety aspects of using specific binders. About Austroads . ... earthworks materials are altered by the addition of a stabilisation binder or granular material to meet ... Example of lime content determined using Method A .....30 Figure 5.1: Manufacture of foamed bitumen ...

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  • Guide to Pavement Technology Part 4D: Stabilised Materials

    1.2x00a0;Applicable refractories include refractory brick, refractory castables, plastic refractories, ramming mixes, powdered materials, granular materials, and refractory fibers. 1.3x00a0;Thermal conductivity k-values can be determined from room temperature to 1500x00b0;C [2732x00b0;F], or the maximum service limit of the refractory, or to the temperature at which the refractory is no longer ...

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  • Refractory materials, ceramic materials, silicate materials

    Methods of test for dense shaped refractory products - Part 18: Determination of bulk density of granular materials by the water method with vacuum: ČSN EN 993-19 : Methods of test for dense shaped refractory products - Part 19: Determination of thermal expansion by a differential method: ČSN EN 993-2

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  • High Alumina Castable Refractory

    2020-3-2 · A promising method for refractory microstructure design By M. H. Moreira, T. M. Cunha, M. G. G. Campos, M. F. Santos, T. Santos Jr., D. André, and V. C. Pandolfelli Discrete element modeling is a tool with great potential for modeling refractory materials—if challenges to applying DEM for continuous problems are overcome. R

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  • Discrete element modeling— A promising method for ...

    Micromechanical analysis of cohesive granular materials using the discrete element method with an adhesive elasto-plastic contact model Subhash C. Thakur …

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  • Micromechanical analysis of cohesive granular

    2017-7-6 · In swelling materials, the hydraulic parameters, such as porosity, permeability, and retention properties depend on the degree of swelling. An example of swelling granular materials are super absorbent polymer (SAP) particles, which can absorb 30-40 …

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  • Modeling of New Processes and Refractory Materials

    2019-4-9 · Numerical simulation of liquefaction behaviour of granular materials using Discrete Element Method T G Sitharam1 and S V Dinesh2 1Associate Professor, Department of Civil Engineering, Indian Institute of Science, Bangalore 560 012, India. 2Research Scholar, Department of Civil Engineering, Indian Institute of Science, Bangalore 560 012, India. In this paper, numerical simulation of 3 ...

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  • Grain-Scale Modelling of Swelling Granular Materials

    2019-6-10 · Material Properties of Granular Ice Layers Characterized Using a Rigid-Body-Penetration Method: Experiments and Modeling 2019-01-2034 Accretion and shedding of ice layers is a serious problem for various engineering applications.

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  • Numerical simulation of liquefaction behaviour of

    2019-6-2 · Guniting process due to its method of placing results into positive adhesion to any applied surface and, due to its density ensures a good repair of the damaged refractory lining. There are two processes involved when it comes to spraying guniting refractory mixes pneumatically through a spraying gun (nozzle) at high velocity onto a surface ...

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  • High Alumina Castable Refractory

    Mixing is critical because raw materials can be vastly different in physical characteristics, such as particle size (from powdery to 1/4” granular) and bulk density (35 pcf for graphite to 100+ pcf for minerals). Incomplete or deficient mixing can lead to premature failure, shortening the service life of the refractory.

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  • Using Lancaster Products High Shear Mixers for

    2019-2-4 · Amongst all these the first method is more common and easier for producing cellularity. The manufacturing of insulating refractory bricks and other insulating materials require a different approach. The low temperature insulating bricks are manufactured using granules of vermiculite, ex-foliated mica, and raw diatomite.

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  • REFRACTORY BRICKS AND CASTABLES - idc-online.com

    2018-11-28 · A synthesis method for producing a refractory oxide-ceramic material of CaZrO3, in particular in the form of a refractory granular material that is preferably mechanically comminuted, in particular crushed and/or ground, as well as to a batch and a coarse ceramic, shaped or unshaped, refractory product containing at least one pre-synthesized refractory calcium zirconate-containing granular ...

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  • US Patent Application for SYNTHESIS METHOD FOR

    2020-1-8 · Standard Test Method for Bulk Density and Porosity of Granular Refractory Materials by Mercury Displacement (withdrawn 2002). D6761-07(2012) Standard Test Method for Determination of the Total Pore Volume of Catalysts and Catalyst Carriers. Helium Pycnometry: True Density, Open and Closed Cell Content : D2638-10

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  • Quantachrome Instruments

    2010-3-26 · Density and porosity (AP, BD and ASG) can be measured of refractory materials using the Archimedes buoyancy technique with dry weights, soaked weights and immersed weights in water (mercury, xylene or denatured alcohol if the refractory is water sensitive) (Figure 2).

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  • THE IMPORTANCE AND TESTING OF DENSITY

    2017-7-6 · In swelling materials, the hydraulic parameters, such as porosity, permeability, and retention properties depend on the degree of swelling. An example of swelling granular materials are super absorbent polymer (SAP) particles, which can absorb 30-40 …

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  • Grain-Scale Modelling of Swelling Granular Materials

    2019-4-9 · Numerical simulation of liquefaction behaviour of granular materials using Discrete Element Method T G Sitharam1 and S V Dinesh2 1Associate Professor, Department of Civil Engineering, Indian Institute of Science, Bangalore 560 012, India. 2Research Scholar, Department of Civil Engineering, Indian Institute of Science, Bangalore 560 012, India. In this paper, numerical simulation of 3 ...

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  • Numerical simulation of liquefaction behaviour of

    research into an optimized processing method for the production of high quality refractory materials

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  • 'Characterization of Porous Media and Refractory

    A three-dimensional (3-D) computer program is developed to simulate the packing behavior of granular materials at a loose state using a “drop and roll” method. This study provides a systematic characterization of the LFC refractory coating slurries, dried refractory coating, and the granular media.

    Get Price
  • Using Lancaster Products High Shear Mixers for

    Mixing is critical because raw materials can be vastly different in physical characteristics, such as particle size (from powdery to 1/4” granular) and bulk density (35 pcf for graphite to 100+ pcf for minerals). Incomplete or deficient mixing can lead to premature failure, shortening the service life of the refractory.

    Get Price
  • Design of Low Volume Rural Roads with Unbound

    2019-7-1 · Unbound Granular Materials using Odemark’s Method Dr. P. P. Biswas Professor Jadavpur University Kolkata, West Bengal Dr. G. C. Mondal Associate Professor Jadavpur University Kolkata, West Bengal Dr. D. Majumdar General Manager (Technical) Sardip Consulting Engineers Kolkata, West Bengal Mr. M. K. Sahis Assistant Professor Jadavpur University

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  • REFRACTORY BRICKS AND CASTABLES - idc-online.com

    2019-2-4 · Amongst all these the first method is more common and easier for producing cellularity. The manufacturing of insulating refractory bricks and other insulating materials require a different approach. The low temperature insulating bricks are manufactured using granules of vermiculite, ex-foliated mica, and raw diatomite.

    Get Price
  • Quantachrome Instruments

    2020-1-8 · Standard Test Method for Bulk Density and Porosity of Granular Refractory Materials by Mercury Displacement (withdrawn 2002). D6761-07(2012) Standard Test Method for Determination of the Total Pore Volume of Catalysts and Catalyst Carriers. Helium Pycnometry: True Density, Open and Closed Cell Content : D2638-10

    Get Price
  • A method for measuring the solid particle permittivity or ...

    A method for measuring the solid particle permittivity or electrical conductivity of rocks, sediments, and granular materials D. A. Robinson1 and S. P. Friedman Institute of Soil, Water, and Environmental Sciences, ARO, Volcani Center, Bet Dagan, Israel

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  • Common Types Of Monolithic Refractories -

    Gunning mixes are granular refractory materials sprayed on application area using a variety of air placement guns. Gunning mixes consist of graded refractory aggregate and a bonding compound, and may contain plasticizing agent to increase their stickiness when pneumatically placed onto a furnace wall.

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  • Granular Matter | Home - Springer

    2021-6-29 · Although many phenomena observed in granular materials are still not yet fully understood, important contributions have been made to further our understanding using modern tools from statistical mechanics. These tools apply to disordered systems, phase transitions, instabilities or intermittent behavior and the performance of discrete particle ...

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  • Analysis of the geomechanical characterization of coarse ...

    2020-7-27 · granular materials using the parallel gradation method. 27, 50-63 Analysis of the geomechanical characterization of coarse granular materials using the parallel gradation method Leonardo Dorador1 and Felipe A. Villalobos2 1 Arcadis Chile, Antonio Varas 621, Providencia, Región Metropolitana de Santiago, Chile, [email protected]

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  • 'Characterization of Porous Media and Refractory

    A three-dimensional (3-D) computer program is developed to simulate the packing behavior of granular materials at a loose state using a “drop and roll” method. This study provides a systematic characterization of the LFC refractory coating slurries, dried refractory coating, and the granular media.

    Get Price
  • Increase refractory materials anti damage ability by ...

    2021-4-13 · Flame gunning method of flame gunning refractory products, powder particles melt in the liquid or gaseous fuel flame, and was sent to the surface to be repaired. At this point the masonry was nozzle flame supplementary heating, so using this method may not have special restrictions on temperature is put forward in this paper, and can adopt ...

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  • Using Lancaster Products High Shear Mixers for

    Mixing is critical because raw materials can be vastly different in physical characteristics, such as particle size (from powdery to 1/4” granular) and bulk density (35 pcf for graphite to 100+ pcf for minerals). Incomplete or deficient mixing can lead to premature failure, shortening the service life of the refractory.

    Get Price
  • Common Types Of Monolithic Refractories -

    Gunning mixes are granular refractory materials sprayed on application area using a variety of air placement guns. Gunning mixes consist of graded refractory aggregate and a bonding compound, and may contain plasticizing agent to increase their stickiness when pneumatically placed onto a furnace wall.

    Get Price
  • Design of Low Volume Rural Roads with Unbound

    2019-7-1 · Unbound Granular Materials using Odemark’s Method Dr. P. P. Biswas Professor Jadavpur University Kolkata, West Bengal Dr. G. C. Mondal Associate Professor Jadavpur University Kolkata, West Bengal Dr. D. Majumdar General Manager (Technical) Sardip Consulting Engineers Kolkata, West Bengal Mr. M. K. Sahis Assistant Professor Jadavpur University

    Get Price
  • RESEARCH INTO AN OPTIMIZED PROCESSING

    research into an optimized processing method for the production of high quality refractory materials

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  • Analysis of the geomechanical characterization of coarse ...

    2020-7-27 · granular materials using the parallel gradation method. 27, 50-63 Analysis of the geomechanical characterization of coarse granular materials using the parallel gradation method Leonardo Dorador1 and Felipe A. Villalobos2 1 Arcadis Chile, Antonio Varas 621, Providencia, Región Metropolitana de Santiago, Chile, [email protected]

    Get Price
  • A method for measuring the solid particle permittivity or ...

    A method for measuring the solid particle permittivity or electrical conductivity of rocks, sediments, and granular materials D. A. Robinson1 and S. P. Friedman Institute of Soil, Water, and Environmental Sciences, ARO, Volcani Center, Bet Dagan, Israel

    Get Price
  • YADE-OPEN DEM: an open–source software using a

    2010-3-16 · YADE-OPEN DEM: an open–source software using a discrete element method to simulate granular material J. Kozicki∗ [email protected] F.V. Donz´e† [email protected] August 18, 2008 Abstract Purpose - YADE–OPEN DEM is an open source software based on the Discrete Element Method which uses object oriented programming techniques.

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  • Development of a saturation-based rheology for wet ...

    2021-6-12 · 1 1 2 3 Development of a saturation-based P()I 4 - 5 rheology for wet granular materials using 6 discrete element method 7 Ramin Ghorbani, Mehrdad T. Manzari*and Ali Hajilouy-Benisi 8 School of Mechanical Engineering, Sharif University of Technology, Tehran, P.O. 9 Box 11155/9567, Iran 10 *Corresponding author.Tel.: +98 21 66165689. Mob.:. E-mail address: [email protected]

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