Article Per Year (5 Year)
p-Index From 2020 - 2025
2.245
P-Index
This Author published in this journals
All Journal Jurnal Ilmu Dasar Jurnal Rekayasa Material, Manufaktur & Energi Kreator Journal of Energy, Material, and Instrumentation Technology Indonesian Journal of Chemical Studies (Indones. J. Chem. Stud.) International Journal of Applied Mathematics, Sciences, and Technology for National Defense Jurnal Pengabdian Masyarakat
Murniati, Riri
Unknown Affiliation
Aerospace Engineering Arts Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

Published : 16 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 16 Documents
Search

 1   2 
Potential of Carbon Fiber as An Insulation Layer In Anti-Sensor Thermal Pdl: A Review Nasution, Rahmatsyah; Murniati, Riri; Nasution, Salsabila Fauziah Dhuha
Journal of Energy, Material, and Instrumentation Technology Vol 5 No 2 (2024): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jemit.v5i2.237

Abstract

The advancement of technology, along with the development of the times, makes mastery of technology an absolute thing for the progress of national defense; one of its applications in defense materials is the manufacture of PDL anti-thermal sensor suits. In the PDL anti-thermal sensor suit, carbon fiber is used as insulation. Carbon fiber is a strong, lightweight, and thermal insulator material. This research method uses a qualitative descriptive research method with sources from Google Scholar. In this study, Publish & Perish 8 software was used to help obtain 200 journals on the topics of carbon fiber characteristics, composites, sensors, thermal, carbon fiber resistance generators, carbon fiber thermal conductivity testing, determination of layers of PDL anti-thermal sensor clothes, and the use of carbon fiber as an insulation layer on PDL anti-thermal sensor clothes which were then reviewed as many as 20 journals to be reviewed and summarized for reviewed and summarized to see the potential of carbon fiber as an insulation layer of composite materials in PDL Anti-Thermal Sensor clothing. The conclusion obtained in this study is that carbon fiber has a carbon content of 92% with a solid tensile strength of 452.94 MPa and a low thermal conductivity of 1,13 W/mk and has the potential to be applied as an insulation layer on PDL clothes anti-thermal sensors.
Identification of Mineral Zircon (ZrSiO4) Rare Earth Metal (REM) As Smart Material For Electric Tactical Motor Bike Battery Prayogo, Dimas; Murniati, Riri; Likitaporn, Chutiwat
International Journal of Applied Mathematics, Sciences, and Technology for National Defense Vol 2, No 1 (2024): International Journal of Applied Mathematics, Sciences, and Technology for Natio
Publisher : FoundAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/app.sci.def.v2i1.333

Abstract

Rare earth metals are associated minerals that are magnetic used as the main component in providing power to most electronic devices. Rare earth metal (REM) as a smart material that has 14 chemical elements. These elements are grouped according to their molecular weight, namely light rare earth metals (Ce, Pr, Nd, Pm, Sm, Eu) and heavy rare earth metals (Gd, Tb, Dy, Ho, Tr, Tm, Yb, Lu) . The use of this REM includes electric cars, health identification devices, LCDs and computer hardware. From some of the benefits and contents of REM, its development is not only in the industrial world but also in the world of defense, one of which is as a battery for motorized vehicles developed by the ministry of defense (Electric Tactical Motor Bike) that uses lithium batteries as a source of electrical energy. However, the use of lithium batteries which have shortcomings in terms of charging makes them look for other alternatives so that they can be charged optimally, one of which is using REM. The strategic position of rare earth minerals in the future must be developed so that they can be used sustainably, considering that Indonesia has potential resources that can be utilized.
Simulation of calculation of combat vehicle fuel efficiency by reducing vehicle weight using aluminum material Napitupulu, Jofim Yordaniel; Murniati, Riri; Kusumadjati, Adhi; Hirawan, Agung; Alwan, Mochamad Ibnu; Blanchard, Ramandasoavina
International Journal of Applied Mathematics, Sciences, and Technology for National Defense Vol 2, No 1 (2024): International Journal of Applied Mathematics, Sciences, and Technology for Natio
Publisher : FoundAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/app.sci.def.v2i1.336

Abstract

In the contemporary landscape, combat vehicles are tasked with meeting multifaceted demands, ranging from fortified defense capabilities to enhanced operational versatility and lethal efficacy. At the crux of these requirements lies the pivotal challenge of managing vehicular weight, a parameter that profoundly impacts endurance, agility, and speed. Extensive research endeavors have shed light on aluminum as a compelling solution to mitigate this weight burden while ensuring the requisite durability in combat vehicles. Through the utilization of MATLAB simulations, this study endeavors to elucidate the correlation between mass reduction and fuel efficiency, culminating in the creation of a comparative graph. The findings of this research make a significant contribution by demonstrating that a 15 percent reduction in vehicle mass, equivalent to 324 kilograms through the substitution of conventional materials with aluminum, yields substantial fuel savings amounting to 13.36 percent, or 1.3 liters. Such insights underscore the pivotal role of material selection in optimizing fuel efficiency in combat vehicle design
A review of polymer composite materials in bulletproof vest to defense sector Cahayaputri, Olivia Thresnayu; Murniati, Riri; Aritonang, Sovian; Tri Oktaviana, Aditya
International Journal of Applied Mathematics, Sciences, and Technology for National Defense Vol 1, No 3 (2023): International Journal of Applied Mathematics, Sciences, and Technology for Natio
Publisher : FoundAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/app.sci.def.v1i3.296

Abstract

Personal protection, especially in the context of military protection and security, became a major focus in the development of bulletproof vests. Polymer composite materials offer a wide range of advantages in terms of strength, density, and ability to reduce the kinetic energy of projectiles, making them an attractive choice for such protection applications. This study examines the different types of polymers and composite technologies used in the manufacture of bulletproof vests. This study examines the use of polymer composite materials in the manufacture of bulletproof vests used in the defense sector. We evaluate the mechanical, thermal, and ballistic properties of these materials and investigate the design approaches applied to improve the performance of these protectors. The research proved that the composite was efficient enough to be used as a bulletproof vest material because it was light, flexible and strong.
Efektivitas Komposit dalam Memperkuat Rompi Anti Peluru Hertanto, Theofillus Lisa Okta; Aritonang, Sovian; Murniati, Riri
Rekayasa Material, Manufaktur dan Energi Vol 7, No 1: Januari 2024
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v7i1.17325

Abstract

This research examines the effectiveness of bulletproof vests made with composite materials, focusing on carbon fiber. The study finds that the thickness of the carbon fiber and the HGM plastic coating in the vest are crucial factors in enhancing protection against bullet penetration. In some instances, thicker composite materials offer better defense. Furthermore, the use of composites allows for lightweight vests, reducing the physical strain on the wearer. These findings have significant implications for the development of personal protective equipment in various sectors, such as the military, law enforcement, and industries like construction. Enhancing the efficacy of bulletproof vests through the integration of composite materials is a vital stride in enhancing the safety of individuals encountering potential bullet threats.
Grafen untuk Aplikasi Penyerapan Gelombang Radar Mikro: Dari Sintesis Graphene Oxide (GO) Berbasis Tempurung Kelapa Yamin, Muthi'ah Alfiyah; Aritonang, Sovian; Murniati, Riri
Rekayasa Material, Manufaktur dan Energi Vol 7, No 2: Juli 2024
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v7i2.17352

Abstract

ABSTRACT  Radar systems detect objects using electronic signals. Radar Absorbing Material (RAM), especially graphene, increases radar wave absorption. Using coconut waste to make Graphene Oxide (GO) supports sustainability. It advances more efficient and sustainable radar wave absorption technology. This research is based on literary analysis. The method used in this research is a literature review and in this study will compare the reflection loss material graphene oxide as a radar absorber with other materials.  This research shows that GO synthesized with the Hummer method at 400°C has the best performance in radar wave absorption, competing with other materials such as CoTi1-xCexO3 and silicone rubber variations. This makes GO an attractive choice for radar wave absorption applications, especially on microwave frequencies.Keywords:Absorber Radar, Graphene Oxide, Coconut Waste, Hummer Method
Serat Fiber Kelapa Sawit Sebagai Bahan Dasar Komposit Untuk Digunakan Sebagai Bahan Peredam Suara Aritonang, Sovian; Rasendriya, Anselmo; Murniati, Riri
Rekayasa Material, Manufaktur dan Energi Vol 7, No 2: Juli 2024
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v7i2.17341

Abstract

This research discusses the use of oil palm fiber as a base material for composites intended for sound insulation purposes. Sound insulation materials play a key role in reducing noise levels in various environments. Oil palm fiber is identified as a promising material for the effective and sustainable production of sound insulation materials. Test results indicate that the composite of oil palm husk demonstrates the highest sound absorption coefficient (α) at both standard and high frequencies. Consequently, the fiber from oil palm empty fruit bunches (EFB) can be utilized as a viable material for sound insulation composites, and further research can be conducted on the fiber materials from oil palm empty fruit bunches (EFB).
Efek Slot Pada Antena Mikrostrip Hexangular Dual Band Dengan Antena Awal 2,4 Ghz Shafwan, Almas; Aritonang, Sovian; Murniati, Riri
Rekayasa Material, Manufaktur dan Energi Vol 7, No 1: Januari 2024
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v7i1.17320

Abstract

Microstrip antennas play a crucial role in modern communication technology, with their performance dependent on shape and size. This study explores the impact of adding slots to hexagonal microstrip antenna radiation areas. The hexagonal shape was chosen due to its underexplored potential for slot additions. Slots act as elements influencing antenna radiation performance and altering characteristics. The research investigates the effects of various slot shapes and sizes (each with an area of 4 ) on hexagonal microstrip antennas at the initial frequency of 2.4 GHz. The importance of this study lies in the selected initial frequency, aligning with the micro-wave spectrum commonly used in wireless communication, radar, and telecommunications equipment. The hexagonal microstrip antenna, popular for its compact and efficient design, is relevant to modern communication devices.
Pengaruh Penambahan Titanium Terhadap Kekuatan Material Baja Sebagai Bahan Shielding Alutsista Pertahanan Ahmada, Mufti Labib; Aritonang, Sovian; Murniati, Riri
Rekayasa Material, Manufaktur dan Energi Vol 7, No 1: Januari 2024
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v7i1.17309

Abstract

The addition of titanium to steel materials has been a significant research focus in the metallurgical industry. This research aims to investigate the effect of titanium addition on the mechanical and structural properties of steel. Titanium is an interesting element in this context because it has properties that can improve the performance of steel, such as strength, corrosion resistance, and resistance to high temperatures. The addition of titanium to various types of steel has been shown to increase their strength and mechanical properties, primarily by forming titanium carbide or sulfide deposits that reduce grain growth and increase toughness and high temperature resistance. This could open up opportunities to develop high-strength steel with the addition of titanium for applications that require superior mechanical properties, such as for shielding defense equipment.
Kajian Review Aplikasi Serat Sisal (Sisal Fiber) Sebagai Alternatif Komposit Polimer Fauziah, Anis Khoirun Nisa Nur; Aritonang, Sovian; Murniati, Riri
Rekayasa Material, Manufaktur dan Energi Vol 7, No 2: Juli 2024
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v7i2.17364

Abstract

Sisal fiber is a natural fiber obtained from the sisal plant (agave sisalana). In addition to the low price of sisal fiber, its strength is legendary with its high tensile strength and superior stiffness. When used as reinforcement in polymer composites, these fibers can provide additional strength to the material. This makes the composite more resistant to compression, tension and bending. Because it has good strength and resistance to pressure, sisal fiber is often used as a reinforcement in making polymer composites. Sisal fiber is also often used in making ropes, nets, cables and other products that require mechanical resistance. The potential for using sisal fiber in various industries is very large. This fiber can be used as a composite for automotive materials, building construction materials, the shipping industry, other equipment, and even packaging. Sisal fiber shows excellent resilience and strength when tested together with other components. Therefore, sisal fiber has special properties and is often used as an alternative to natural fibers in polymer composites.
Co-Authors Ahmada, Mufti Labib Alwan, Mochamad Ibnu Amalia, Gita Resty Andi Setiono Aritonang, Sovian Awalia Yasin, Nurin Krisfina Blanchard, Ramandasoavina Cahayaputri, Olivia Thresnayu Fauziah, Anis Khoirun Nisa Nur Hardiansyah, Andri Hertanto, Theofillus Lisa Okta Hirawan, Agung Hutagalung, Ananda Yessica Margaretha Kusumadjati, Adhi Likitaporn, Chutiwat Napitupulu, Jofim Yordaniel Nasution, Rahmatsyah Nasution, Rahmatsyah Handayani Ramadhan Nasution, Salsabila Fauziah Dhuha Prayogo, Dimas Rahmadtullah, Ismail Rasendriya, Anselmo Rasendriya, Anselmo Bima Ridho’i, M. Fachmi Salsabilla, Annisa Shafwan, Almas Tri Oktaviana, Aditya Yamin, Muthi'ah Alfiyah