Producing dense ladle brick with a kaolin bond

Kukolev, G. V.; Nemets, I. I.; Семченко, Г. Д.; Belukha, P. G.; Stanilov, B. E.; Primachenko, V. V.

doi:10.1007/bf01293558

Cited by 3 publications

(2 citation statements)

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“…Kaolinite is the best suited mineral clay for the production of red ceramic, whether archeological or current production, both vessels manufactured as structural material (bricks and tiles) (Kukolev et al, 1972). Clays rich in kaolinite -sedimentary or weathered -are abundant throughout the Amazon region.…”

Section: Raw Materials and Mineral Transformation In Firing Manufactumentioning

confidence: 99%

Pre-historic production of ceramics in the Amazon: Provenience, raw materials, and firing temperatures

Rodrigues

Costa

Pöllmann

et al. 2015

Applied Clay Science

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Section: Raw Materials and Mineral Transformation In Firing Manufactumentioning

confidence: 99%

Pre-historic production of ceramics in the Amazon: Provenience, raw materials, and firing temperatures

Rodrigues

Costa

Pöllmann

et al. 2015

Applied Clay Science

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“…Spinel-based ceramics have good thermal-shock resistance, low porosity, and gas permeability, and high specific electrical resistance at high temperatures [5,8]. Using the appropriate levels of raw-material purity, protective coatings can be obtained with a satisfactory level of electrical resistance [9, i0].…”

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Obtaining spherical powders of aluminomagnesia spinel using high-frequency heating in a cold crucible

et al. 1992

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The synthesis of oxide compounds by melting batch by direct, high-frequency heating in a cold crucible is one of the promising trends in ceramic technology. The special interest is because of the advantages connected with the high productivity, relatively low electric energy consumption, low specific cost of raw materials, the universal nature of the technological equipment, and the high production standards [i, 2]. The method is especially promising for synthesizing solid solutions and chemical compounds in two-and multicomponent systems of oxides with a high refractoriness.One of the most common measures is the method of remelting powdered materials in the block. The fused crystalline powders thus obtained can be used for reprocessing into powders of different grain sizes. A drawback is that continuous batch melting cannot be organized. This in turn reduces the melter's productivity. Moreover, in crushing fused blocks, which are quite strong, high energy expenditure is involved. There is also unavoidable contamination of the materials due to pick-up from the grinding bodies. The crushed powders are badly shaped, and have sharp edges and rough surfaces, which impairs their flowability.Great interest is therefore attached to melting oxides "on discharge" when the melt from the crucible is drained into a device for granulation. However, applied to oxides of higher refractoriness, this process has serious drawbacks due to the provision of continuous melting after pouring a certain part of the melt. The solutions proposed [3,4] also have some drawbacks, connected with the difficulty of controlling the amount of melt remaining in the crucible after partial drainage, the formation in the discharge hole zone of a skin, preventing closing of the gate during melting, etc.The best method at present is to melt batch from oxide compounds with draining of the melt at the level of the free surface,* melting is accomplished in a multicoil inductor which is also the cold crucible.Perfecting the design work on this method has led to the development of a method using a cylindrical cold crucible with periodic pouring of part of the melt through a side aperture in the wall of the cold crucible at the level of the free surface of the melt. The melt is obtained by using a high-frequency generator --"Kristall-401," and the jet is poured using compressed air.This method was used to obtain spherical powders of electro-fused aluminomagnesia spinel, MgAI204, suitable for use in the plasma spraying of protective coatings.Spinel-based ceramics have good thermal-shock resistance, low porosity, and gas permeability, and high specific electrical resistance at high temperatures [5,8]. Using the appropriate levels of raw-material purity, protective coatings can be obtained with a satisfactory level of electrical resistance [9, i0].Plasma spraying is an effective method of applying coatings. Their reliability depends both on the chemical composition and the method of obtaining the powder, since the latter affects the density of the bond with the ...

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Sintering of fireclay-kaolin mixtures with refractory clay

Pilipchatin

2000

Glass Ceram

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Producing dense ladle brick with a kaolin bond

Cited by 3 publications

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Pre-historic production of ceramics in the Amazon: Provenience, raw materials, and firing temperatures

Pre-historic production of ceramics in the Amazon: Provenience, raw materials, and firing temperatures

Obtaining spherical powders of aluminomagnesia spinel using high-frequency heating in a cold crucible

Sintering of fireclay-kaolin mixtures with refractory clay

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