Thermal Conductivity of Wood-Based Cellular Structures

Lukash, A.A.; Lukutsova, N.P.

doi:10.37482/0536-1036-2020-1-146-153

Cited by 2 publications

(2 citation statements)

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“…Various types of supplements are known to be widely used to improve the properties of building materials [6][7][8][9][10][11][12]. This will not only save raw materials, but also to improve their physical-technical and performance properties [13][14][15][16][17][18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Effect of Colloidal Silicon Dioxide on the Properties of Building Ceramics

Vasyunina

Лукутцова

Momot

2020

MSF

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The paper presents the results of the researches on improving the physical-mechanical and thermophysical properties (average density, strength and thermal conductivity) of ceramic stone with colloidal silicon dioxide, with and without the mineral thinning additive of silica sand. In the course of the study, the most optimal amount of colloidal silicon dioxide for ceramic stone samples is determined. The dependence of strength, average density and thermal conductivity coefficient on the amount of the modifier and thinner is established. The graphic dependences are constructed by the method of extreme modelling on the basis of Scilab engineering environment. It is ascertained that the application of colloidal silicon dioxide can improve the physical-mechanical and thermophysical properties of ceramic stone. The results of the studies on ceramic stone modified with silica sand and colloidal silicon dioxide were better than without the sand supplement. The optimal amount of colloidal silicon dioxide in the composition of ceramic stone without a sand thinning additive is 0.2%, and 0.3% with this supplement.

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Section: Introductionmentioning

confidence: 99%

Effect of Colloidal Silicon Dioxide on the Properties of Building Ceramics

Vasyunina

Лукутцова

Momot

2020

MSF

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“…Due to the increased requirements for the quality of products, the use of various additives ensuring the safety and durability both concrete and mortar [1][2][3][4][5][6][7][8][9][10][11][12], and also building ceramic materials [13][14][15][16][17], is of great importance.…”

Section: Introductionmentioning

confidence: 99%

Building Ceramics with Organic-Mineral Modifiers

Vasyunina

Momot

Kondratyev

2019

MSF

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The paper presents the results of the study dealing with improving the physical and mechanical properties of building ceramics samples: mean density, compressive strength, wear resistance, impact resistance, water absorption, thermal conductivity coefficient, and frost resistance. In the study the organic-mineral additive based on industrial wollastonite with the superplasticizer S-3 was used. The most functional amount of the applied additive, as well as the optimal volume of water in the molding mixture and the firing temperature were determined with the method of experiment mathematical planning. In the course of the studies the specifics of the organic-mineral additive influence on the properties and structure of building ceramics are revealed. The findings are attested by electron microscopy data. The application of the organic-mineral additive improves the performance characteristics of building ceramics samples.

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Thermal Conductivity of Wood-Based Cellular Structures

Cited by 2 publications

References 0 publications

Effect of Colloidal Silicon Dioxide on the Properties of Building Ceramics

Effect of Colloidal Silicon Dioxide on the Properties of Building Ceramics

Building Ceramics with Organic-Mineral Modifiers

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