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cordierite ceramic parts manufacturing using method

  • Method for manufacturing cordierite ceramic honeycomb ...

    A method for manufacturing a honeycomb structure having a cordierite phase as its main crystal phase wherein a raw material batch is provided by admixing a raw material with a forming aid, the batch is formed by extrusion, dried and then subjected to firing, characterized in that, in the firing step, the rate of the decrease in temperature from ...

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  • US20090247389A1 - Method for manufacturing cordierite ...

    There is provided a method for manufacturing cordierite ceramics by forming and heating a cordierite-forming raw material containing α-alumina. A degree of orientation [expressed by (I 006 /(I 300 +I 006 ) where I hkl is height of X-ray diffraction intensity of a hkl face of an α-alumina crystal] by X-ray diffraction measurement of an α-alumina crystal in a formed article of the raw ...

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  • Method of manufacturing low thermal expansion modified ...

    The present invention is directed to a method of manufacturing low thermal expansion modified cordierite compositions which are especially useful in the manufacture of mirrors for high temperature applications, said method comprising the steps of: providing, on a molecular basis, a mixture of about 2 moles magnesium oxide, 2 moles aluminum oxide, and about 5 moles …

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  • Cordierite ceramic honeycomb and a method for

    A further object of the invention is to provide a method for producing cordierite ceramic honeycomb which does not cause cracks upon the forming, drying and firing steps. -7 (1/°C.), preferably not more than 16×10-7-7 (1/°C.), preferably not more than 16×10-7 (1 /°C.) and a mean pore size of 3-30 micron meter.

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  • US4434239A - Process for manufacturing cordierite ...

    A process for the manufacture of industrial cordierite ceramic units containing from 45 to 68% by weight of silica 16 to 37% by weight of magnesia and 12 to 45% by weight of alumina which comprises (a) mixing from 15 to 60% by weight of the non-magnetic fraction of asbestos tailings having a MgO:SiO 2 of from 0.8 to 1.25 with 40 to 85% of a kaolin clay by weight and 0 to 10% …

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  • NARROW PORE SIZE DISTRIBUTION CORDIERITE CERAMIC

    A method of manufacturing a ceramic honeycomb article, comprising the steps of: providing a plasticized cordierite precursor batch composition containing: inorganic batch components selected from a magnesium oxide source; an alumina-forming source; and a silica-forming source; a pore former having a median particle diameter greater than 40 µm ...

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  • US20070119133A1 - Porous cordierite ceramic honeycomb ...

    A method of manufacturing is also disclosed wherein the inorganic raw material mixture contains talc, an alumina-forming source, a silica-forming source, and 0-18 wt. % of a kaolin or calcined kaolin containing not more than 8 wt. % of a fine kaolin source having a median particle diameter of less than 7 μm, wherein the fired porous ceramic ...

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  • Direct ink writing of cordierite ceramics with low thermal ...

    2021-12-7u2002·u2002A cordierite ceramic with an average shrinkage rate of 1.58% was obtained at 1400 °C. The low shrinkage avoids design and manufacturing procedures carried out for dimensional and alignment errors. In addition, the coefficient of thermal expansion was as low as 1.69 × 10 −6 °C −1. The effect of configuration on the thermal behavior of ...

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  • Direct ink writing of porous cordierite honeycomb ceramic ...

    2019-8-15u2002·u2002Cordierite ceramic powder was prepared by a solid-state reaction method using SiO 2, MgCO 3, and γ-Al 2 O 3 as the raw materials with the weight ratio SiO 2:MgCO 3:γ-Al 2 O 3 = 50:28:35 . In order to obtain the ceramic particles with mean particle size in the range 0.1–10 μm, the cordierite ceramic powder was ground in a planetary mill ...

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  • Method for manufacturing cordierite ceramic honeycomb ...

    KR-20020026176-A chemical patent summary.

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  • Cordierite ceramic honeycomb and a method for

    A further object of the invention is to provide a method for producing cordierite ceramic honeycomb which does not cause cracks upon the forming, drying and firing steps. -7 (1/°C.), preferably not more than 16×10-7-7 (1/°C.), preferably not more than 16×10-7 (1 /°C.) and a mean pore size of 3-30 micron meter.

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  • Method of manufacturing low thermal expansion modified ...

    The present invention is directed to a method of manufacturing low thermal expansion modified cordierite compositions which are especially useful in the manufacture of mirrors for high temperature applications, said method comprising the steps of: providing, on a molecular basis, a mixture of about 2 moles magnesium oxide, 2 moles aluminum oxide, and about 5 moles …

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  • NARROW PORE SIZE DISTRIBUTION CORDIERITE CERAMIC

    1. A ceramic honeycomb article, comprising: a porous ceramic containing cordierite having a total porosity (%P) wherein 42% < %P < 56%, and a pore size distribution having less than 15% of the total porosity has a pore diameter less than 10 µm, less than 20% of the total porosity has a pore diameter greater than 30 µm, and d breadth ≤ 1.50 wherein d breadth = (d 90-d 10) d 50, with …

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  • Utilization of granite sludge for production of cordierite ...

    2021-7-15u2002·u20021. Introduction. Cordierite (2MgO.2Al 2 O 3.5SiO 2) is a well-known and intersting ceramic material owing to its excellent properties like low thermal expansion coefficient, low density, low electrical conductivity, and high thermal shock resistance along with good chemical and mechanical properties.Therefore, it is an appropriate material for manufacturing of electric …

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  • Direct ink writing of cordierite ceramics with low thermal ...

    2021-12-7u2002·u2002A cordierite ceramic with an average shrinkage rate of 1.58% was obtained at 1400 °C. The low shrinkage avoids design and manufacturing procedures carried out for dimensional and alignment errors. In addition, the coefficient of thermal expansion was as low as 1.69 × 10 −6 °C −1. The effect of configuration on the thermal behavior of ...

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  • Ceramic C520 Cordierite Porcelain Bobbin Elements Heater ...

    2020-9-16u2002·u2002Q1: What are your main products? Our main products are Steatite Ceramic Parts, Alumina Ceramic Parts, Cordierite Ceramic Parts, Ceramic Terminal Block, Textile Ceramics Parts, Ceramic Heater Plugs, etc. used in ceramic band heater, industrial heating and any special occasion that with electric insulation or heating resistance capability.

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  • Mechanical properties and microstructures of 3D printed ...

    2019-10-15u2002·u2002Cordierite slurry with 40 vol% solid loading using three types of particle sizes, i.e. D 50 = 7.41 μm, 3 μm and 0.35 μm, were prepared for DLP 3D printing in this study. Table 1 lists the ingredients and their amounts used. Details regarding the slurry preparation process is depicted in Fig. 1, as discussed in our previous work [].The cordierite powder used in this study has a …

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  • Cordierite refractory compositions and method of forming ...

    Cordierite refractory compositions made from a mixture of talc, clay, calcined kyanite, alumina and water, the composition being such as to result on firing in a body having cordierite as the major crystalline phase and mullite as the minor crystalline phase and wherein the amount of Na 2 O and K 2 O is not in excess of about 0.14% by weight of the batch dry materials, such …

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  • THERMO-MECHANICAL DESIGN OPTIMIZATION OF

    2022-1-3u2002·u2002essential. In this paper, Thermo-mechanical design of commercial Cordierite-Mullite based kiln furniture was investigated by using finite element method (FEM) and possible solutions for improvement of working life have been considered. The results indicated that the change of the kiln furniture geometry can decrease the maximum thermo-

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