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[87930] Artykuł:

The impact of glass components on the quality and strength of silicate autoclaved materials

Czasopismo: IOP Material Science and Engineering   Tom: 471, Strony: 1-8
ISSN:  1757-899X
Wydawca:  IOP PUBLISHING LTD, DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
Opublikowano: 2019
Seria wydawnicza:  IOP Conference Series-Materials Science and Engineering
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Do oświadczenia
nr 3		 Grupa
przynależności		 Dyscyplina
naukowa		 Procent
udziału		 Liczba
punktów
do oceny pracownika		 Liczba
punktów wg
kryteriów ewaluacji
Anna Stępień orcid logo WBiAKatedra Technologii i Organizacji Budownictwa *****Takzaliczony do "N"Inżynieria lądowa, geodezja i transport502.502.50  
Paulina Kostrzewa orcid logo WBiAKatedra Technologii i Organizacji Budownictwa *****Niezaliczony do "N"Inżynieria lądowa, geodezja i transport502.502.50  

Grupa MNiSW:  Publikacje w czasopismach spoza listy 2019
Punkty MNiSW: 5
Klasyfikacja Web of Science: Proceedings Paper

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Abstract:

Compressive strength is the starting point, which is important in the process of researching new or modified building materials. The article contains the characteristics of traditional material (sand-SiO2, lime-CaO, H2O-water) and the results of research on modifications of composite silicate materials and the same products with using glass fiber. The paper contains information on modification of this kind of materials using glass fiber, because it is a lightweight and durable component made of boroglinosilicate glass containing less than 1% alkali This type of fibers are characterized by a good degree of gluing the bundle, and socalled "strand integrity". Glass fiber (WS) cut strips are mainly intended for reinforcing thermoplastics and this fiber can have a good application in in silicate composite materials, which arise under hydrothermal conditions (around 200 degrees C). This paper also presents the results of the conducted compression tests, which were focused on: microstructure, compressive strength, water absorption, and bulk density. The Scanning Electron Microscope with spectrum EDS analysis helped to define the microstructural changes of modified materials. The interpretation of the materials structure revealed the existence of diversified phases i.e. tobermorite and C-S-H phase. CaO-SiO2-H2O system is the object of intensive research due to its meaning in chemistry and technologies of mineral binding materials. The dimensions and precision of the modified material were also analyzed. Silicate products are known for their almost perfect proportions and exact dimensions (+/- 1mm.) Obtained during production. Glass due to its amorphousness in hydrothermal conditions affects the behaviour of the mass in the mould during the autoclaving of the modified material, and glass fibers spread unevenly in the mass, and this factor should be taken into account especially.


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