Effects of graphene oxide dispersions on the properties of 3D printed polymer nanocomposites / Fahad Riaz
Material type:
TextIslamabad : SMME- NUST; 2023Description: 70p. Soft Copy 30cmSubject(s): MS Design and Manufacturing EngineeringDDC classification: 670 Online resources: Click here to access online
| Item type | Current location | Home library | Shelving location | Call number | Status | Date due | Barcode | Item holds |
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Thesis
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School of Mechanical & Manufacturing Engineering (SMME) | School of Mechanical & Manufacturing Engineering (SMME) | E-Books | 670 (Browse shelf) | Available | SMME-TH-833 |
This study reports on the synthesis of polyethylene glycol diacrylate (PEGDA)-
graphene oxide nanocomposites for 3D printing applications. PEGDA-graphene nanocomposites were synthesized by the solution casting method. Herein, we report a facile
approach of probe sonication for better dispersion of graphene within the polymer matrix. Moreover, the effect of the dispersion of GO on the mechanical properties of 3D
printed nanocomposites samples of tensile (ASTM D638 type IV) and compression
(ASTM D695) was studied with different dispersion parameters following the Taguchibased design of experiment. Testing and microscopic analysis indicate that the optimum
concentration of GO, sonication time, and sonication amplitude is (0.05%wt, 30min,
70%). Tensile strength increases 60% while the compression strength increases to 62%.
The young’s modulus increased from 1.47 MPa to 7.0 MPa. Both the tensile and compression strength first increase and then decrease gradually with different dispersion
parameters and also decreased by increasing GO concentration. The results are further
supported by microscopic analysis and tested samples.
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