Research Into Influence of Ultra- and Nanodisperse Size Additives on the Structure and Properties of Heat Insulating Autoclaved Aerated Concrete

Leontev, S.V.; Saraykina, Kseniya; Golubev, V. A.; Yakovlev, Grigory; Rakhimova, Nailia R.; Shamanov, V.A.; Senkov, Sergey; Urkhanova, L.A.

doi:10.1016/j.proeng.2017.02.076

Cited by 6 publications

(2 citation statements)

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“…Solid substance in the active centers is condensed spontaneously, without energy expenses [6,8]. Process is defined: grain structure [9,10,11], chemical composition [12], level рН [13][14][15], external conditions − temperature and humidity [16] and other parameters ( Figure 3).…”

Section: Introductionmentioning

confidence: 99%

Mechanism of gypsum hardening

et al. 2018

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In the present work the receiving of gypsum products on the basis of a calcium sulfate dihydrate is described. As a raw material, the calcium sulfate dihydrate in the form of industry waste was used. This research offers the mechanism of un hydration hardening of monomineral bindings, including gypsum. The mechanism is based on interaction of particles of the different size in the conditions of supersaturation when pressing. Under the corresponding conditions in system of a dihydrate crystallizational contacts are formed. The offered mechanism is confirmed with pilot studies. Researches of solubility of powders, to deformations of raw mix, strength, density and other characteristics of structure are conducted. Strength reaches to 74 MPa. The way allows to simplify technology of receiving gypsum products. Expenses of energy decrease. Burn is excluded and the grinding is reduced. Thus the offered of un hydration hardening of monomineral binders has high innovative appeal.

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Section: Introductionmentioning

confidence: 99%

Mechanism of gypsum hardening

et al. 2018

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“…It is estimated [5] that if 0.005 % of the carbon nanomaterial of the foamed concrete entire mass is used, its strength increases by 1.7 times and thermal conductivity decreases by 20 %. Vaganov et al [6] show that addition of 0.005 % of carbon nanomaterial allows to increase the material tensile strength by 70 %, and to form an isolated system of closed pores inside the structure of the material. Clay, if modified with 0.005 % of multi-layered carbon nanotubes from whole mass of the material, increases in strength of the raw material from 4.6 to 8.6 kg/cm 2 , and the strength of a ceramic shard increases by 2.4 times.…”

Section: Introductionmentioning

confidence: 99%

Modification of Ceramics and Ceramic Glazers with Carbon Nanoadditives, and Properties of the Modified Materials

Zelenskii¹,

Shmalko²,

Panov³

et al. 2019

ChChT

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1 The work describes a method of modifying the ceramic materials by introducing carbon-based nanoscopic additives into the slip composite and glaze composite in the form of water-based suspension for the production of sanitary and technical ceramics of increased quality. Physical and mechanical properties of experimental samples are researched. The results of experimental research are obtained in the form of experimentally determined properties of composite materials which were nanomodified by carbon nanostructures.Анотація. Розглянуто спосіб модифікації керамічних матеріалів внаслідок введення карбонових нанододатків у вигляді водної суспензії до складу шлікера і керамічної глазурі для виготовлення санітарно-технічної кераміки. Досліджено фізико-механічні властивості зразків. Отримано результати експериментальних досліджень властивостей композиційних матеріалів, наномодифікованих карбоновими наноструктурами.Ключові слова: наноструктура, кераміка, глазур, санітарно-технічні вироби, пористість, крайовий кут змочування.

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