Evaluation of the mechanical performance of iron- polymethyl methacrylate and polystyrene polymer products based on alumina nanomaterials

• Autorzy: Mohamed Muzher Taha , Nawi Sami A. , Algailani Hiba M. , Alrubaiy Ahmed A.A.G. , Mahmoud Adel K. , Farman Salem , Mustafa Ali Mundher , Alamiery A.A.

Identyfikatory

DOI

10.12913/22998624/199471

• Języki publikacji: EN

Abstrakty

EN

In this investigation, alumina (Al₂O₃) nanoparticles were utilized to study the mechanical properties of two polymer nanocomposite systems applied to low-carbon steel substrates. The nanocomposites comprised polystyrene (PS) and polymethylmethacrylate (PMMA) matrices, each incorporating 5 wt.% Al₂O₃ nanoparticles. Tensile tests revealed that the nanocomposites exhibited superior mechanical performance compared to pure polymers. For PMMA-Al₂O₃, tensile properties such as elastic modulus (E), ultimate tensile strength (σₐᵤₗₜ), and strain (eᵤₗₜ) were 2.6326 GPa, 44.52 MPa, and 0.02560, respectively, showing improvements of 16.5% in σₐᵤₗₜ and 33.7% in eᵤₗₜ. Similarly, PS-Al₂O₃ showed σₐᵤₗₜ and eᵤₗₜ improvements of 19.1% and 61.5%, respectively, compared to pure PS. The Scanning electron microscopy (SEM) revealed flocculation and uneven nanoparticle dispersion. At low magnification (1.56 µm), PS-Al₂O₃ particles were well-separated, while higher magnification (11.6 µm) showed aggregation. The average nanoparticle diameters for PMMA-Al₂O₃ and PS-Al₂O₃ were 201.1 nm and 184.6 nm, respectively. Flocculation and low-density interphase, attributed to fewer polymer chain anchoring sites on Al₂O₃ surfaces, reduced the elastic modulus. These findings emphasize the need for advanced blending techniques to achieve uniform nanoparticle distribution and improve polymer-nanoparticle interfacial bonding. Optimized dispersion methods are crucial for enhancing the mechanical properties of Al₂O₃-reinforced nanocomposites.

Słowa kluczowe

EN

polymethyl methacrylate; PMMA; polystyrene; PS; aluminum oxide; Al2O3; mechanical properties; SEM; scanning electron microscopy

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2025
• Tom: Vol. 19, no. 3
• Strony: 202--210
• Opis fizyczny: Bibliogr. 17 poz., fig., tab.

Twórcy

autor

Mohamed Muzher Taha

• Bilad Alrafidain University College, Diyala, Iraq

autor

Nawi Sami A.

• Bilad Alrafidain University College, Diyala, Iraq

autor

Algailani Hiba M.

• Department of Materials Engineering, College of Engineering, University, of Diyala, Iraq

autor

Alrubaiy Ahmed A.A.G.

• Bilad Alrafidain University College, Diyala, Iraq

autor

Mahmoud Adel K.

• Bilad Alrafidain University College, Diyala, Iraq

autor

Farman Salem

• Department of Refrigeration and Air Conditioning, College of Technical Engineering, Al-Farahidi University

autor

Mustafa Ali Mundher

• Production Engineering and Metallurgy, University of Technology, Baghdad, Iraq

• https://orcid.org/0000-0002-5226-0926

autor

Alamiery A.A.

• Biomedical Engineering Department, College of Engineering, Al-Ayen University (AUIQ), Nasiriyah, Iraq

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).