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J. Compos. Sci.
Volume 9
Issue 5
10.3390/jcs9050206
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Study of Deformation and Strength Characteristics of Highly Filled Sand–Polymer Composites Based on Regenerated Thermoplastics

by
Vassiliy Yurchenko
1,
Vitali Haiduk
2,
Alexandr Skaskevich
2,
Olga Zharkevich
1,*,
Gulnara Zhetessova
1,
Olga Reshetnikova
1,
Altay Smagulov
1 and
Medgat Mussayev
1
1
Department of Technological Equipment, Engineering and Standardization, Mechanical Engineering Faculty, Abylkas Saginov Karaganda Technical University, Karaganda 100017, Kazakhstan
2
Department of Materials Science and Resource-Saving Technologies, Faculty of Engineering, Yanka Kupala State University of Grodno, Grodno 230023, Belarus
*
Author to whom correspondence should be addressed.
J. Compos. Sci. 2025, 9(5), 206; https://doi.org/10.3390/jcs9050206
Submission received: 13 March 2025 / Revised: 8 April 2025 / Accepted: 14 April 2025 / Published: 24 April 2025
(This article belongs to the Section Polymer Composites)
Versions Notes

Abstract

As the volume of polymer waste continues to grow, the development of methods for their processing and the creation of composites is an urgent task. In this work, the characteristics of sand–polymer composites based on reclaimed thermoplastics (1:3 mixture of polyolefins) are investigated. It was found that composites containing up to 75 wt% silica sand (100–300 μm) retained acceptable compressive strength (at least 25 MPa) at a strain of no more than 5%. Sand surface treatment improved the interaction between polymer and filler, increasing compressive strength by 10–15% and impact strength by 10% at 70–75 wt% of filler. The deformation and strength parameters of composites modified with carbon nanocomponents were investigated. The dependencies of compressive and bending strength on technological parameters of formation were obtained. The role of modifying components in appretization and reinforcement was shown. The introduction of technological lubricants improved homogeneity but reduced strength. The strengthening effect was related to the increase in the proportion of polymer interacting with the filler surface when the thickness of the polymer matrix reached the nanostate. The introduction of silica nanoparticles (up to 0.1 wt%) increased the compressive strength by 15%. However, the decrease in melt fluidity limited the degree of filling. The obtained composites are promising for application as structural materials in hull products used in limited climatic conditions.
Keywords: high-pressure polyethylene; silica sand; stearic acid high-pressure polyethylene; silica sand; stearic acid

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MDPI and ACS Style

Yurchenko, V.; Haiduk, V.; Skaskevich, A.; Zharkevich, O.; Zhetessova, G.; Reshetnikova, O.; Smagulov, A.; Mussayev, M. Study of Deformation and Strength Characteristics of Highly Filled Sand–Polymer Composites Based on Regenerated Thermoplastics. J. Compos. Sci. 2025, 9, 206. https://doi.org/10.3390/jcs9050206

AMA Style

Yurchenko V, Haiduk V, Skaskevich A, Zharkevich O, Zhetessova G, Reshetnikova O, Smagulov A, Mussayev M. Study of Deformation and Strength Characteristics of Highly Filled Sand–Polymer Composites Based on Regenerated Thermoplastics. Journal of Composites Science. 2025; 9(5):206. https://doi.org/10.3390/jcs9050206

Chicago/Turabian Style

Yurchenko, Vassiliy, Vitali Haiduk, Alexandr Skaskevich, Olga Zharkevich, Gulnara Zhetessova, Olga Reshetnikova, Altay Smagulov, and Medgat Mussayev. 2025. "Study of Deformation and Strength Characteristics of Highly Filled Sand–Polymer Composites Based on Regenerated Thermoplastics" Journal of Composites Science 9, no. 5: 206. https://doi.org/10.3390/jcs9050206

APA Style

Yurchenko, V., Haiduk, V., Skaskevich, A., Zharkevich, O., Zhetessova, G., Reshetnikova, O., Smagulov, A., & Mussayev, M. (2025). Study of Deformation and Strength Characteristics of Highly Filled Sand–Polymer Composites Based on Regenerated Thermoplastics. Journal of Composites Science, 9(5), 206. https://doi.org/10.3390/jcs9050206

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