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Keywords: graphene
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Proceedings Papers

Proc. ASME. IMECE2023, Volume 12: Micro- and Nano-Systems Engineering and Packaging, V012T13A013, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113676
... Abstract Graphene-based nanocomposites have become attractive for different applications such as energy storage, sensors, biomolecule detection, biomedical, healthcare, and wearable devices due to their unique mechanical, electrical, and thermal properties. However, using commercial graphene...
Proceedings Papers

Proc. ASME. IMECE2023, Volume 4: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V004T04A006, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-112231
... Abstract Graphene has been considered to be the most promising next-generation gas sensing material because of its large surface-to-volume ratio, excellent gas adsorption properties, and high carrier mobility. Application of strain to graphene was found to modulate its Fermi level, and thus...
Topics: Graphene, Sensors
Proceedings Papers

Proc. ASME. IMECE2023, Volume 4: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V004T04A008, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113221
... Abstract Graphene and carbon nanotubes (CNTs) have attracted extensive attention because of their excellent physicochemical properties, such as high electron mobility, superior mechanical strength, and excellent thermal conductivity. In addition, the electronic resistance of graphene and CNTs...
Proceedings Papers

Proc. ASME. IMECE2023, Volume 4: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V004T04A066, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113427
... potentials have been developed for many material systems including 2D materials, there is limited work published regarding structural defects. Using graphene as a model material, we demonstrate a new machine learning potential for 2D materials with defects. The reference energies are generated by DFT...
Proceedings Papers

Proc. ASME. IMECE2022, Volume 6: Energy, V006T08A049, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-96589
... the research trend in carbon materials, and opened numerous exciting possibilities in many applications. Researchers started to pay attention to carbon nanomaterials when Fullerene C60 was discovered in 1985. The discovery of carbon nanotubes in 1991 and the first isolation of single layer of graphene from...
Proceedings Papers

Proc. ASME. IMECE2022, Volume 9: Mechanics of Solids, Structures, and Fluids; Micro- and Nano-Systems Engineering and Packaging; Safety Engineering, Risk, and Reliability Analysis; Research Posters, V009T13A005, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-94892
... Abstract In Aging society, health monitoring sensors are indispensable for reliable daily care. Graphene has been suggested to be capable of detecting gas compositions in a person’s breath to diagnose sickness down to the ppb-level, because of its large surface-to-volume ratio and high carrier...
Proceedings Papers

Proc. ASME. IMECE2022, Volume 9: Mechanics of Solids, Structures, and Fluids; Micro- and Nano-Systems Engineering and Packaging; Safety Engineering, Risk, and Reliability Analysis; Research Posters, V009T13A013, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95307
... Abstract A biochemical sensor using graphene nanoribbons as a sensing element was developed for a new generation highly sensitive and compact multi-gas sensor of human’s breath for the early detection of various diseases. Even though the resistance changes of graphene appeared by adsorption...
Proceedings Papers

Proc. ASME. IMECE2022, Volume 3: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V003T03A011, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95066
... Abstract In this work, the graphene nanoplatelets were reinforced in the GFRP composites to improve their mechanical, vibrational, and flame retardant properties. Three nanocomposites plates namely G1 (GFRP+0.25 wt.% graphene), G2 (GFRP+0.5 wt.% graphene), G3 (GFRP+1 wt.% graphene), and a neat...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 3: Advanced Materials: Design, Processing, Characterization, and Applications, V003T03A058, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-72137
... Abstract Polystyrene matrix nanocomposites were formulated using a custom nano particle consisting of nanodiamond covalently bonded to graphene oxide. Dispersion and mechanical property results for the nano composite are compared to those results for the neat polymer as well...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 11: Heat Transfer and Thermal Engineering, V011T11A086, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-70349
... Abstract In the present study, we investigate single mode phonon scattering from a junction structure that is consisted of a (6,6) single walled carbon nanotube (SWCNT) and graphene under mechanical deformation using phonon wavepacket analysis. Longitudinal acoustic phonon mode is selected...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 12: Mechanics of Solids, Structures, and Fluids; Micro- and Nano- Systems Engineering and Packaging, V012T12A011, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-70543
... Abstract A machine learning model is developed to predict the crack propagation path in polycrystalline graphene sheets. The dataset used for training the machine learning (ML) model is obtained from the molecular dynamics (MD) simulations. A training set of 700 samples has been used to train...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 12: Mechanics of Solids, Structures, and Fluids; Micro- and Nano- Systems Engineering and Packaging, V012T12A016, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-70515
..., and Braden Peterson2 1Kennesaw State University Kennesaw, Kennesaw, GA, USA 2Wheeler High School, Marietta, GA *Corresponding author: [email protected] ABSTRACT In the present study, we researched the behavior of graphene experiencing high strain rate impacts by employing molecular dynamics simulations...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 8B: Energy, V08BT08A015, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-70538
... Abstract In the present research study, we utilize a molecular dynamics simulation to investigate the possibility of using multiple graphene sheets for tritium control. The graphene sheets are equilibrated to temperatures of 10k, 100k, 300k, 600k, 900k, or 1200k in a simulation. After...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 3: Advanced Materials: Design, Processing, Characterization, and Applications, V003T03A025, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-23442
... and graphene membranes to highlight specific features and benefits. the Young’s modulus of the pristine monolayer MoS 2 was calculated to be 447GPa while that of the defective MoS 2 was found to be in the range of (314–374) GPa. The Young’s Modulus for Graphene was 783.2 GPa. The relative variation...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 3: Advanced Materials: Design, Processing, Characterization, and Applications, V003T03A026, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-23698
... conductor compared with copper on a weight basis, ultra-conductive copper (UCC) can outperform copper on both volume and weight bases. advanced conductors electrical conductivity thermal conductivity ampacity joule heating carbon nanotube graphene ultra-conductive copper NUMERICAL SIMULATION...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 3: Advanced Materials: Design, Processing, Characterization, and Applications, V003T03A039, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-23581
... Abstract Small-size wearable multi-gas sensor with high selectivity and sensitivity is demanded for detecting various harmful gases with high sensitivity in chemical plants, various mines, volcanos, oil and gas fields. Graphene is considered to be the most promising gas-sensitive material due...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 12: Mechanics of Solids, Structures, and Fluids, V012T12A030, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-23842
... Abstract We use molecular dynamics (MD) simulations to study the stress corrosion cracking (SCC) of monolayer graphene sheets with an initial edge cracks. Two types of edge cracks are considered in the simulations; one with armchair edges and another one with zigzag edges. All the simulations...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 2A: Advanced Manufacturing, V02AT02A017, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-23102
... where the nano sized solid phase (nanoparticles) is dispersed into a base fluid. Graphene is a material which has two-dimensional planar geometry with thermal conductivity of the order of 5000 W/mK. Nanoparticles in the form of thin flakes as small as 50 nm, 100 nm has been used in this study. Two step...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A074, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-11553
... (chip) levels is the use of Thermal Interface Materials (TIMs) to reduce the thermal resistance between the chip and the heat sink. In this study, we have carried out an experimental investigation to characterize thermal conductance of TIMs composed of commercially available graphene ( c -rGO), graphene...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 10: Micro- and Nano-Systems Engineering and Packaging, V010T12A010, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-11107
... Abstract Graphene nanoribbons (GNRs), nano scale strips of graphene which consists of carbon hexagonal unit cell, are expected as next generation materials for high performance devices because of its unique super-conductive properties. When the strip width of graphene is cut into nano-scale...
Topics: Graphene, Shapes