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xrd of refractory material in sweden

  • Exposure of refractory materials during high

    2018-2-1 · The results from XRD analysis are summarized in Table 7 together with predicted phases from TEC. 3.4. Discussion. When ash slag comes in contact with the material probes, refractory components dissolve and change the slag composition.

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  • Int. Journal of Refractory Metals and Hard Materials

    rial properties of a two-fold multilayer material leads to a continuous ... Int. Journal of Refractory Metals and Hard Materials 56 (2016) 27–34 ... (XRD) the evolution of residual stresses in ...

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  • Int. Journal of Refractory Metals and Hard Materials

    2021-5-31 · X-ray diffraction (XRD) is one of the most important non-destructive tools to analyze all kinds of matter—ranging from fluids, to powders and crystals. From research to production and engineering, XRD is an indispensable method for materials characterization and quality control. Rigaku has developed a range of X-ray diffractometers, in co ...

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  • IDENTIFICATION OF REFRACTORY MATERIAL FAILURES

    2017-1-5 · The powders were analyzed with X-ray diffraction (XRD) using a PANalytical X'Pert PRO powder diffractometer (CuKα radiation, X'Celerator detector, Ni Kβ filter). Before analysis, the powders Int. Journal of Refractory Metals and Hard Materials 62 (2017) 97–103 ⁎ Corresponding author. E-mail address: [email protected] (J. Weidow).

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  • Ceramics - Industrial Minerals - XRD - Advancing

    2021-3-26 · Refractory lining failure of damaged magnesia bricks and used alumina bricks was investigated by XRF, XRD, SEM-EDS analysis and computational thermochemistry (phase diagrams). In addition, the effect of oxygen partial pressure towards the refractory lining and alkali sulphate ratio were also determined.

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  • Development of AZS Refractories for the ... - Material

    Results suggest ferrochrome slag’s feasibility as an aggregate raw material for refractory materials up to temperatures of 1200 °C in air and up to temperatures of 700 °C in acidic gaseous ...

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  • Chemical, Mineralogical, and Refractory

    2019-5-26 · The experimental results showed that a good refractory material with refractoriness of 1660 °C, bulk density of 2.92 g/cm 3, apparent porosity of 1.82%, and compressive strength of 100.61 MPa could be obtained when the slag was sintered with addition of 20 wt % sintered magnesia at 1350 °C for 3 h. Due to the low production cost and property ...

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  • X-ray diffraction (XRD) | Rigaku Global Website

    2021-3-26 · Refractory lining failure of damaged magnesia bricks and used alumina bricks was investigated by XRF, XRD, SEM-EDS analysis and computational thermochemistry (phase diagrams). In addition, the effect of oxygen partial pressure towards the refractory lining and alkali sulphate ratio were also determined.

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  • IDENTIFICATION OF REFRACTORY MATERIAL FAILURES

    2017-1-5 · The powders were analyzed with X-ray diffraction (XRD) using a PANalytical X'Pert PRO powder diffractometer (CuKα radiation, X'Celerator detector, Ni Kβ filter). Before analysis, the powders Int. Journal of Refractory Metals and Hard Materials 62 (2017) 97–103 ⁎ Corresponding author. E-mail address: [email protected] (J. Weidow).

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  • Int. Journal of Refractory Metals and Hard Materials

    2018-11-1 · In the present work, the chemical, mineralogical, refractory, and microstructural characterizations of kaolinites from the Huayacocotla-Alumbres region, which is between Veracruz and Hidalgo border, by X-ray diffraction (XRD), polarization optical microscopy (POM), scanning electron microscopy (SEM), refractoriness proof (pyrometric cone equivalent), and thermogravimetric analysis …

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  • Ceramics - Industrial Minerals - XRD - Advancing

    2006-3-19 · the manufacture of refractory bricks. Raw- and processed sample powders were investigated by means of X-ray diffraction (XRD), thermal analysis (DTA-TG) and Scanning Electron Microscopy (SEM). In addition, the chemical composition, particle size distribution, density, and surface area of the powders were determined.

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  • Chemical, Mineralogical, and Refractory

    2019-5-26 · The experimental results showed that a good refractory material with refractoriness of 1660 °C, bulk density of 2.92 g/cm 3, apparent porosity of 1.82%, and compressive strength of 100.61 MPa could be obtained when the slag was sintered with addition of 20 wt % sintered magnesia at 1350 °C for 3 h. Due to the low production cost and property ...

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  • Properties of Ugandan minerals and fireclay refractories

    This recycled raw material has become strategic for European carbon magnesia refractory product manufacturers, in an attempt to withstand competitive pressure from outside Europe (especially China) in this sector and, especially, for standard ladle materials. In fact, as they are derived from refractory materials for heavy-duty uses

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  • Development of AZS Refractories for the ... - Material

    2018-4-25 · cordierite as the component of refractory material by several of Al 2 O 3 mole ratio from 2 to 1.4. They found that Al 2 O 3 mole ratio to 1.4, resulted in bulk density to reach the maximum value of 2.5 kg·m-3, which is close to the value for dense cordierite ceramic. Sembiring, et.al [24] found that addition of 15 - 30 % alumina, resulted thermal

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  • X-Ray diffraction (XRD) :: Anton Paar Wiki

    X-Ray diffraction (XRD) X-Ray diffraction is used for the investigation of crystalline materials. All crystalline materials have one thing in common: their components (atoms, ions or molecules) are arranged in a regular manner. This is a necessary requirement for XRD as diffraction can only occur, if X-rays are scattered by a periodic array of ...

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  • Development of AZS Refractories for the ... - Material

    2019-5-6 · entropy Article Processing and Characterization of Refractory Quaternary and Quinary High-Entropy Carbide Composite Hanzhu Zhang and Farid Akhtar * Division of Materials Science, Luleå University of Technology, 971 87 Luleå, Sweden; [email protected]

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  • Processing and Characterization of Refractory Quaternary ...

    2018-4-25 · cordierite as the component of refractory material by several of Al 2 O 3 mole ratio from 2 to 1.4. They found that Al 2 O 3 mole ratio to 1.4, resulted in bulk density to reach the maximum value of 2.5 kg·m-3, which is close to the value for dense cordierite ceramic. Sembiring, et.al [24] found that addition of 15 - 30 % alumina, resulted thermal

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  • STRUCTURAL AND PHYSICAL PROPERTIES OF

    An assessment of potential methods suitable for degradation and/or reduction of refractory organics was performed on landfill leachate from SYSAV AB, Malmö, Sweden. Pretreatment of the leachate was performed in a sequence batch reactor designed for nitrification in activated sludge. Oxidation of the leachate was then O3, O3/pH adjustment (pH 9 and 10), H2O2, O3/H2O2 and performic acid in lab ...

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  • Advanced oxidation of refractory organics in leachate ...

    2019-11-19 · • XRD is a powerful experimental technique used to determine the – crystal structure and its lattice parameters (a,b,c,a,b,g) and – spacing between lattice planes (hkl Miller indices)this interplanar spacing (d hkl) is the distance between parallel planes of atoms or ions.

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  • Introduction: X-Ray Diffraction

    This recycled raw material has become strategic for European carbon magnesia refractory product manufacturers, in an attempt to withstand competitive pressure from outside Europe (especially China) in this sector and, especially, for standard ladle materials. In fact, as they are derived from refractory materials for heavy-duty uses

    Get Price
  • Recovery of spent refractories: how to do it and using ...

    2016-9-30 · the refractory. Point c, is of another composition and morphology, it is likely to be refractory material attacked by K. XRD and Rietveld analysis made on a surface in the meltrefractory interface showed formation of large amounts of wollastonite, 41 weight percent, and also leucite, kaliophilite and leucite in 9, 8 and 5 weight

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  • REACTIONS BETWEEN ASH AND CERAMIC LINING IN

    2019-1-4 · Microstructure and Mechanical Properties of TiVNbTa Refractory High-Entropy Alloy Prepared by Powder Metallurgy. Chinese Journal of Materials Research [J], 2019, 33(8): 572-578 DOI: 10.11901/1005.3093.2018.742

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  • Recovery of Refractory Metals from Steelmaking Dust

    2017-7-4 · Recovery of Refractory Metals from Steelmaking ... Division of Nuclear Chemistry and Industrial Material Recycling . Chalmers University of Technology . SE-412 96 Göteborg . Sweden . Telephone +46 (0)31-772 1000 ... (XRD, Bruker D8 Advance) using …

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  • XRD® Impact | Freedom to Move - Technology to

    Benefits. Absorbs up to 90% of impact force by forming a comfortable protective shell repeatedly, impact after impact (as measured by ASTM F1614) Enables low profile, lightweight and flexible designs with our streamlined, engineered protection. Flexible technology contours against the body for a comfortable, customized fit that hardens into a ...

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  • Int. Journal of Refractory Metals and Hard Materials

    2017-12-6 · Optimizing the synthesis of ultrafine tungsten carbide powders by effective combinations of carbon sources and atmospheres R. Oroa,⁎, E. Hryha b,R.Gilardic,L.Alzatic,L.Nyborgb a Institute of Chemical Technologies and Analytics, TU Wien, Austria b Department of Materials and Manufacturing Technology, Chalmers University of Technology, Göteborg, Sweden c Imerys Graphite and Carbon, …

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  • COMPARISON OF REFRACTORY PERFORMANCE IN

    S 65115 Karlstad, Sweden ABSTRACT Prior laboratory corrosion studies along with experience at the black liquor gasifier in New Bern, North Carolina, clearly demonstrate that serious material problems exist with the gasifier’s refractory lining. Mullite-based and alumina-based refractories used at the New Bern facility suffered significant

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  • Refractory materials in comet samples - Joswiak -

    2012-11-29 · Fig. 3. XRD patterns ofthe pre-sinteredWCpreform and the reactively infiltrated ZrC–W composite. Fig. 4. SEM image of the polished cross section of the reactively infiltrated ZrC-W composite. Y.-W. Zhao et al. Int. Journal of Refractory Metals and Hard Materials 30 (2012) 196–199 197

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  • Int. Journal of Refractory Metals and Hard Materials

    2018-9-28 · The electron diffraction and the XRD results of the TaW-series suggest a highly textured or epitaxial (110) growth on the Al 2 O 3 (001). The TaW and the TaW(C) films exhibit a typical columnar ...

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  • Hard and crack resistant carbon supersaturated

    2002-10-4 · Wearing of the ladle slag line is the biggest refractory material problem with ladles. The purpose of this work was to study the wearing mechanism of refractory …

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  • Chemical wearing mechanism of refractory materials

    From the precise lattice parameter calculation (Supplementary material Sec. S3) using the Nelson–Riley function, it was confirmed that the Laves phase has a cubic structure (C15). From the XRD analysis, it can be inferred that the formation of two BCC phases is similar to the phase formation in MA powder.

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  • Key Products - | A Global Refractory Leader | Calderys

    Benefits. Absorbs up to 90% of impact force by forming a comfortable protective shell repeatedly, impact after impact (as measured by ASTM F1614) Enables low profile, lightweight and flexible designs with our streamlined, engineered protection. Flexible technology contours against the body for a comfortable, customized fit that hardens into a ...

    Get Price
  • XRD® Impact | Freedom to Move - Technology to

    2017-12-6 · Optimizing the synthesis of ultrafine tungsten carbide powders by effective combinations of carbon sources and atmospheres R. Oroa,⁎, E. Hryha b,R.Gilardic,L.Alzatic,L.Nyborgb a Institute of Chemical Technologies and Analytics, TU Wien, Austria b Department of Materials and Manufacturing Technology, Chalmers University of Technology, Göteborg, Sweden c Imerys Graphite and Carbon, …

    Get Price
  • Int. Journal of Refractory Metals and Hard Materials

    2002-10-4 · Wearing of the ladle slag line is the biggest refractory material problem with ladles. The purpose of this work was to study the wearing mechanism of refractory …

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  • Chemical wearing mechanism of refractory materials

    Finding resilient refractory materials for slagging gasification systems have the potential to reduce costs and improve the overall plant availability by extending the service life. In this study, ...

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  • Exposure of refractory materials during high

    2012-11-29 · Fig. 3. XRD patterns ofthe pre-sinteredWCpreform and the reactively infiltrated ZrC–W composite. Fig. 4. SEM image of the polished cross section of the reactively infiltrated ZrC-W composite. Y.-W. Zhao et al. Int. Journal of Refractory Metals and Hard Materials 30 (2012) 196–199 197

    Get Price
  • Int. Journal of Refractory Metals and Hard Materials

    2018-9-28 · The electron diffraction and the XRD results of the TaW-series suggest a highly textured or epitaxial (110) growth on the Al 2 O 3 (001). The TaW and the TaW(C) films exhibit a typical columnar ...

    Get Price
  • Hard and crack resistant carbon supersaturated

    2007-6-7 · tion of very fi ne-grained material, can be obtained by powder and single-crystal X-ray diffraction (XRD), transmission electron microscopy (TEM) and synchro-tron-based techniques. Conventional powder XRD requires sizable amounts of sample and is ineffective at identifying small quantities of secondary minerals (<5%) (e.g., Foster et al. 1998 ...

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  • IDENTIFICATION OF SCORODITE IN FINE-GRAINED, HIGH

    XRD pattern as a = 0.307 nm and c = 0.330 nm. The lattice planes of the HCP structure identified in Fig. 2a are denoted by considering the primitive hexagonal unit cell. The lattice strain for individual reflection planes of the HCP structure was calculated by the Wilson equation33 included in XRD analysis

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  • X-Ray Diffraction for Polymers and Composites

    Performing X-Ray Diffraction (XRD) analysis on samples of polymers or composites provides important solid-state structural information such as the degree of crystallinity. Polymers come in many forms, including highly crystalline, semi-crystalline, microcrystalline or amorphous, and it is possible that in a single polymer sample, all three may ...

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  • Alloy design for intrinsically ductile refractory high ...

    2016-12-20 · Alloy design for intrinsically ductile refractory high-entropy alloys Saad Sheikh,1 Samrand Shafeie,1 Qiang Hu,2 Johan Ahlstrom,€ 1 Christer Persson,1 Jaroslav Vesely,3 Jirı Zyka,3 Uta Klement,1 and Sheng Guo1,a) 1Department of Materials and Manufacturing Technology, Chalmers University of Technology, Gothenburg 41296, Sweden 2Institute of Applied Physics, Jiangxi Academy of Sciences ...

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  • Structure and Phase Composition of Refractory Alloys

    2020-11-27 · The structures and phase compositions of a series of refractory alloys of the Co – Al – Mo – Nb system (the cobalt angle) are studied by differential scanning calorimetry (DSC) and scanning microscopy. The effect of the contents of niobium and molybdenum on the phase composition and the temperature boundaries of the range of existence of the Co3(Al, Mo, Nb) intermetallic phase are ...

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  • Refractory - Wärtsilä

    Refractory. A material, usually in brick form, which is used to line boiler furnaces. It must resist high temperatures, change in temperature and the effects of hot flowing gases. Suitable materials include china clay, fire clay and silica.

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  • Refractory Ceramics | American Elements | Products ...

    Refractory ceramics are extremely heat-resistant engineered materials designed to withstand extreme temperatures required by manufacturing and other industrial processes. Refractory ceramics include technical ceramics, thermal ceramics, high temperature ceramics (HTCs), and ultra-high temperature ceramics (UHTCs), the latter of which can withstand temperatures in excess of 2000 °C. Beyond ...

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  • (PDF) Corrosion of the refractory zirconia metering

    From the precise lattice parameter calculation (Supplementary material Sec. S3) using the Nelson–Riley function, it was confirmed that the Laves phase has a cubic structure (C15). From the XRD analysis, it can be inferred that the formation of two BCC phases is similar to the phase formation in MA powder.

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  • Phase evolution of refractory high-entropy alloy

    The purpose of the ICDD training courses is to teach both theoretical knowledge and practical applications of X-ray fluorescence spectrometry (XRF) and X-ray powder diffractometry (XRD). Instructors have extensive experience in the field and are specially selected from academia, government, and industry to deliver the best of theory and ...

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