Mechanical Properties, Corrosion and Microstructure of Mg/2FA/0. 3GNPs (wt. %) Hybrid Nanobiocomposite Produced by Mechanical Stir Casting and Remelting under Argon Pressure

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Khani Masood; EBRAHIMI GHOLAMREZA; EZATPOUR HAMIDREZA

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Journal: FOUNDING RESEARCH JOURNAL Year:2020 | Volume:3 | Issue:4 Page(s): 201-216

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Title

Mechanical Properties, Corrosion and Microstructure of Mg/2FA/0. 3GNPs (wt. %) Hybrid Nanobiocomposite Produced by Mechanical Stir Casting and Remelting under Argon Pressure

Author(s)

Khani Masood | EBRAHIMI GHOLAMREZA | EZATPOUR HAMIDREZA | Issue Writer Certificate

Keywords

Nano-biocomposites

Hybrid nano-composite

Fluorapatite

Graphene

Corrosion

Abstract

Hybrid nano-biocomposite of Mg-0. 5Ca-0. 8Mn (wt%) magnesium alloy reinforced by 2 wt% Fluorapatite (FA) nanoparticles and 0. 3 wt% Graphene nanoplates (GNPs) were prepared via mechanical stir casting process. In order to eliminate the casting defects, remelting process was carried out under argon atmosphere. Mechanical and bioCorrosion properties were investigated by tensile testing and electrochemical impedance spectroscopy in simulated body fluid (SBF) solution, respectively. Microstructural development including the size and distribution of the reinforcement particles, and matrix grain size were studied by optical microscopy and scanning electron microscopy (SEM). Mechanical test results revealed an increase of 27% in the ultimate tensile strength. BioCorrosion behavior approved the lower Corrosion rate of the composite samples in comparison with unreinforced alloy. Optical micrographs confirmed the effect of reinforcement particles on twinning formation and reduction of composite grain size (175 μ m) compared to that of unreinforced alloy (484 μ m). SEM observations exhibited the formation of Graphene scaffolds and their positive effect on the mechanical and bioCorrosion properties.

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APA: Copy

Khani, Masood, EBRAHIMI, GHOLAMREZA, & EZATPOUR, HAMIDREZA. (2020). Mechanical Properties, Corrosion and Microstructure of Mg/2FA/0. 3GNPs (wt. %) Hybrid Nanobiocomposite Produced by Mechanical Stir Casting and Remelting under Argon Pressure. FOUNDING RESEARCH JOURNAL, 3(4 ), 201-216. SID. https://sid.ir/paper/375354/en

Vancouver: Copy

Khani Masood, EBRAHIMI GHOLAMREZA, EZATPOUR HAMIDREZA. Mechanical Properties, Corrosion and Microstructure of Mg/2FA/0. 3GNPs (wt. %) Hybrid Nanobiocomposite Produced by Mechanical Stir Casting and Remelting under Argon Pressure. FOUNDING RESEARCH JOURNAL[Internet]. 2020;3(4 ):201-216. Available from: https://sid.ir/paper/375354/en

IEEE: Copy

Masood Khani, GHOLAMREZA EBRAHIMI, and HAMIDREZA EZATPOUR, “Mechanical Properties, Corrosion and Microstructure of Mg/2FA/0. 3GNPs (wt. %) Hybrid Nanobiocomposite Produced by Mechanical Stir Casting and Remelting under Argon Pressure,” FOUNDING RESEARCH JOURNAL, vol. 3, no. 4 , pp. 201–216, 2020, [Online]. Available: https://sid.ir/paper/375354/en

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