ANALISIS PENGARUH KONSENTRASI OKSIGEN PADA KEKUATAN TARIK GRAFENA

Aldiyanto, Noertova (2024) ANALISIS PENGARUH KONSENTRASI OKSIGEN PADA KEKUATAN TARIK GRAFENA. Skripsi (S1) thesis, Universitas Muhammadiyah Ponorogo.

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Abstract

ANALISIS PENGARUH KONSENTRASI OKSIGEN PADA KEKUATAN TARIK GRAFENA Biggy Noertova Aldiyanto Program Studi Teknik Mesin, Fakultas Teknik, Universitas Muhammadiyah Ponorogo e-mail : @gmail.com ABSTRAK Salah satu material baru yang berkembang akhir-akhir ini adalah grafena. Grafena adalah material baru tertutup, terkuat, dan terunggul di dunia saat ini yang terbentuk dari satu lapis atom karbon yang mempunyai struktur hexagonal menyerupai sarang lebah. Penelitian ini bertujuan untuk menganalisis interaksi antara atom-atom karbon pada grafena dan oksigen dan terdeposisi pada grafena. Selain itu penelitian ini juga bertujuan untuk menganalisis konsentrasi oksigen terhadap sifat mekanik grafena. Metode ini menggunakan prosedur simulasi meliputi: optimasi struktur, Ekulibirasi sistem, pengujian tarik dan pasca pemrosesan. Sedangkan perangkat yang digunakan dalam penelitian antara lain: LAMMPS, Mobaxtrem, Avogrado dan Ovito. Hasil penelitian menunjukkan bahwa doping oksigen pada grafena meningkatkan energi potensial, menurunkan stabilitas struktur, dan meningkatkan suhu serta tekanan dalam material. Secara mekanik, penambahan oksigen mengurangi kekuatan tarik maksimum grafena, mengindikasikan perlunya analisis mendalam untuk aplikasi yang memerlukan kombinasi kekuatan mekanik dan stabilitas tinggi. Kata Kunci: Grafena, Oksigen, Simulasi Dinamika Molekuler, Sifat Mekanik ABSTRACT One of the new materials that has been developed recently is graphene. Graphene is a new closed, strongest and superior material in the world today which is formed from one layer of carbon atoms which has a hexagonal structure resembling a honeycomb. This research aims to analyze the interaction between carbon atoms in graphene and oxygen and is deposited on graphene. Apart from that, this research also aims to analyze oxygen concentration on the mechanical properties of graphene. This method uses simulation procedures including: structure optimization, system equilibration, tensile testing and post-processing. Meanwhile, the devices used in the research include: LAMMPS, Mobaxtrem, Avogrado and Ovito. The results show that oxygen doping in graphene increases the potential energy, decreases the structural stability, and increases the temperature and pressure in the material. Mechanically, the addition of oxygen reduces the maximum tensile strength of graphene, indicating the need for in-depth analysis for applications requiring a combination of high mechanical strength and stability. Keywords: Graphene, Oxygen, Molecular Dynamics Simulation, Mechanical Properties.

Item Type: Thesis (Skripsi (S1))
Uncontrolled Keywords: Kata Kunci: Grafena, Oksigen, Simulasi Dinamika Molekuler, Sifat Mekanik. Keywords: Graphene, Oxygen, Molecular Dynamics Simulation, Mechanical Properties.
Subjects: T Technology > T Technology (General)
Divisions: Faculty of Engineering
Depositing User: ft . userft
Date Deposited: 02 Sep 2024 04:22
Last Modified: 02 Sep 2024 04:22
URI: http://eprints.umpo.ac.id/id/eprint/14842

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