Fractal analysis of tensile deformation curves of epoxy polymers based on modified epoxy binders

Nizina, T.A.; Nizin, D. R.; Artamonov, Denis; Kanaeva, N. S.

doi:10.1088/1757-899x/972/1/012048

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…One of the promising methods for assessing the resistance to climatic factors is the accelerated aging of polymers in an artificial weather chamber [10,11], which makes it possible to simulate external influences that can occur in real operating conditions of polymeric materials, that is, to simulate natural aging processes under the influence of atmospheric factors.…”

Section: New Polymer Composite Materials IIImentioning

confidence: 99%

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Study of the Chemical, Climatic and Thermal Resistance of Epoxy Coatings Filled with Natural and Synthetic Wollastonite

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Phuong

Yamaleeva

et al. 2021

KEM

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The article shows that synthetic wollastonite, obtained on the basis of a mixture of calcium oxide and silicon oxide, as well as calcium carbonate and silicon dioxide, increases the thermal stability of epoxy materials filled with it. The chemical and atmospheric resistance of epoxy films filled with wollastonite is on average 0.2 – 0.3% lower than that of the base composition, which is probably due to the porosity of both synthetic and natural wollastonite. The phase composition of synthetic wollastonite does not significantly affect chemical resistance of epoxy materials filled with it. The chemical resistance of epoxy compositions, regardless of their composition, is lower in weakly acidic solutions and water, in comparison with weakly alkaline and saline solutions.

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Section: New Polymer Composite Materials IIImentioning

confidence: 99%

“…It is known [11] that due to a decrease in the density of the spatial grid of composite materials, their maximum moisture saturation increases. This effect occurs when epoxy compositions are filled with synthetic wollastonite.…”

Section: New Polymer Composite Materials IIImentioning

confidence: 99%

Study of the Chemical, Climatic and Thermal Resistance of Epoxy Coatings Filled with Natural and Synthetic Wollastonite

Готлиб

Phuong

Yamaleeva

et al. 2021

KEM

View full text Add to dashboard Cite

show abstract

The influence of shape and matrix size on the mechanical properties of the 2D epoxy thin film by Monte Carlo simulation method

2023

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In this paper, we studied the effect of the 2D epoxy thin films’ shape with equilateral triangle and square structures, and matrix size Lx × Ly of (10 × 9), (20 × 19), (30 × 29), and (40 × 39) with equilateral triangle structure and (10 × 10), (20 × 20), (30 × 30), and (40 × 40) with the square structure on their mechanical properties [such as strain (ɛ), stress (σ), Young stress (E), and shear strain (G)] by using the Monte Carlo simulation method. The results show that when the shape of the 2D epoxy thin film is changed from an equilateral triangle structure to a square structure, the values of σ, E, and G decreased sharply. In addition, when the matrix size is increased from (10 × 9) to (20 × 19), (30 × 29), and (40 × 39) with an equilateral triangle structure and from (10 × 10) to (20 × 20), (30 × 30), and (40 × 40) with a square structure, σ slightly increased, but E and G decreased slightly. These results prove that the influence of structure shape on the mechanical properties of the 2D epoxy thin film is very large. The strain stress on the epoxy 2D thin film with an equilateral triangle structure and with a matrix size of (30 × 29) has a value of σ = 63.3 MPa. This result is consistent with the experimental result that σ of bulk epoxy has the maximum value of σmax = 64.76 MPa. The results are the basis for experimental research in future studies on practical applications of epoxy-thin films. In these cases, when thin films with equilateral triangle structures are used in biomedical fields, high stresses are required (such as replacement material for adaxial onion epidermis and fibrin and collagen with low stress).

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Fractal analysis of tensile deformation curves of epoxy polymers based on modified epoxy binders

Cited by 2 publications

References 2 publications

Study of the Chemical, Climatic and Thermal Resistance of Epoxy Coatings Filled with Natural and Synthetic Wollastonite

Study of the Chemical, Climatic and Thermal Resistance of Epoxy Coatings Filled with Natural and Synthetic Wollastonite

The influence of shape and matrix size on the mechanical properties of the 2D epoxy thin film by Monte Carlo simulation method

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