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Fabrication of Graphene-Reinforced Alumina Composites: Morphology and Mechanical Property
https://orcid.org/http://orcid.org/0000-0002-5395-2473
A novel microwave sintering technique is used to fabricate the alumina (Al2O3)-based composites after reinforcing graphene particles with different wt % (0.1–0.6 wt%). Effect of sintering temperature on the percentage of porosity of prepared composite samples is captured. Microstructural and mechanical properties in terms of tensile strength and Young’s modulus of different wt% of graphene (with minimum porosity) are studied using scanning electron microscope (SEM) and universal testing machine. The SEM images of the specimen are examined before and after the tensile test to see the effect of graphene reinforcement on alumina ceramic matrix. Mechanical properties are significantly increased after the reinforcement of graphene compared to monolithic alumina samples. Tensile strength enhances by 28.5% and Young’s modulus increases by 8.5% with 0.4 wt% graphene reinforcement.
Fabrication of Graphene-Reinforced Alumina Composites: Morphology and Mechanical Property
https://orcid.org/http://orcid.org/0000-0002-5395-2473
A novel microwave sintering technique is used to fabricate the alumina (Al2O3)-based composites after reinforcing graphene particles with different wt % (0.1–0.6 wt%). Effect of sintering temperature on the percentage of porosity of prepared composite samples is captured. Microstructural and mechanical properties in terms of tensile strength and Young’s modulus of different wt% of graphene (with minimum porosity) are studied using scanning electron microscope (SEM) and universal testing machine. The SEM images of the specimen are examined before and after the tensile test to see the effect of graphene reinforcement on alumina ceramic matrix. Mechanical properties are significantly increased after the reinforcement of graphene compared to monolithic alumina samples. Tensile strength enhances by 28.5% and Young’s modulus increases by 8.5% with 0.4 wt% graphene reinforcement.
Fabrication of Graphene-Reinforced Alumina Composites: Morphology and Mechanical Property
https://orcid.org/http://orcid.org/0000-0002-5395-2473
A novel microwave sintering technique is used to fabricate the alumina (Al2O3)-based composites after reinforcing graphene particles with different wt % (0.1–0.6 wt%). Effect of sintering temperature on the percentage of porosity of prepared composite samples is captured. Microstructural and mechanical properties in terms of tensile strength and Young’s modulus of different wt% of graphene (with minimum porosity) are studied using scanning electron microscope (SEM) and universal testing machine. The SEM images of the specimen are examined before and after the tensile test to see the effect of graphene reinforcement on alumina ceramic matrix. Mechanical properties are significantly increased after the reinforcement of graphene compared to monolithic alumina samples. Tensile strength enhances by 28.5% and Young’s modulus increases by 8.5% with 0.4 wt% graphene reinforcement.
Fabrication of Graphene-Reinforced Alumina Composites: Morphology and Mechanical Property
J. Inst. Eng. India Ser. D
Das, Apurba (author) / Saha, Ankuran (author) / Biswas, Nabarun (author) / Choudhuri, Kishan (author)
Journal of The Institution of Engineers (India): Series D ; 102 ; 367-375
2021-12-01
9 pages
Article (Journal)
Electronic Resource
English
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