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Recent in Engineering Science and Technology
Published by PT Mencerdaskan Bangsa Indonesia
ISSN : 29858321     EISSN : 2985704X     DOI : https://doi.org/10.59511/riestech
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Aims and Scope Recent in Engineering Science and Technology, a peer reviewed quarterly engineering journal, publishes theoretical and experimental high quality papers to promote engineering and technologys theory and practice. In addition to peer reviewed original research papers, the Editorial Board welcomes original research reports, state of the art reviews, and communications in the broadly defined field of recent engineering science and technology. RiESTech covers topics contributing to a better understanding of engineering, material science, computer science, environmental science, and their applications. RiESTech is concerned with scientific research on mechanical and civil engineering, Electrical or Electronics and Computer Engineering, and Metallurgical and Materials Engineering with specific analytical techniques and or computational methods. The scope of RiESTech includes a wide spectrum of subjects namely, industrial and manufacturing engineering, mechanical engineering, material science and nanotechnology, chemical engineering, and bioengineering, electrical and electronic engineering.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 77 Documents
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Table of Content Vol 02 No 02 2024
Recent in Engineering Science and Technology Vol. 2 No. 02 (2024): RiESTech Volume 02 No. 02 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i02.63

Abstract

Front Cover Vol 02 No 02 2024
Recent in Engineering Science and Technology Vol. 2 No. 02 (2024): RiESTech Volume 02 No. 02 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i02.64

Abstract

Trend Analysis of the ARIMA Method: A Survey of Scholarly Works Arifin, Samsul; Manurung , Monica Mayeni; Jonathan, Stanley; Effendi, Melody; Prasetyo , Puguh Wahyu
Recent in Engineering Science and Technology Vol. 2 No. 03 (2024): RiESTech Volume 02 No. 03 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i03.65

Abstract

Recent research trends in bibliometric analysis using the ARIMA method have attracted the attention of many researchers in this field. This study aims to conduct a thorough review of related studies that apply the ARIMA method in bibliometric analysis. The dataset used was taken from the Scopus Web using VOSviewer. The main objective of this study is to identify the latest research trends related to the use of the ARIMA method in bibliometric analysis. The results of the analysis show that the use of the ARIMA method in bibliometric analysis has increased significantly in the last few years. Studies using this method have made valuable contributions to understanding research trends and scientific developments in various fields. These findings provide important insights for practitioners and researchers in the field of bibliometric analysis and can be used as a practical guide for those who wish to use the ARIMA method in bibliometric analysis. In addition, this study also discusses the strengths and weaknesses of using the ARIMA method in bibliometric analysis. This method has advantages in its ability to identify and model trends well but also has some limitations regarding parameter selection and interpretation of results. Therefore, this study provides a more comprehensive understanding of the application of the ARIMA method in bibliometric analysis and encourages further research in addressing the challenges associated with using this method. The benefit of this research lies in its ability to provide valuable insights for researchers, practitioners, and policymakers in understanding the latest research trends in bibliometric analysis using the ARIMA method. The findings of this research can be used to make strategic decisions regarding the development and publication of scientific publications, as well as strengthen an understanding of research trends in certain fields. In conclusion, this study provides a comprehensive review of the latest research trends in bibliometric analysis using the ARIMA method. The findings and conclusions of this study provide a deeper understanding of the application of the ARIMA method in bibliometric analysis, as well as provide recommendations for further research in developing analytical methods and looking at new aspects of bibliometric analysis using the ARIMA method.
Kajian Kombinasi Ekstrak Daun Physalis angulata dan Daun Cassia angustifolia dengan Rasio 50:50 sebagai Green Inhibitor untuk API 5L dalam Larutan HCl 1M: Kajian Green Inhibitor tipe campuran untuk API 5L dalam Larutan HCl Ni Luh, Triska Adelia; Pramono, Khalisha Rizqi Olga; Soedarsono, Johny Wahyuadi; Solihin, M. Yudi M.
Recent in Engineering Science and Technology Vol. 2 No. 03 (2024): RiESTech Volume 02 No. 03 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i03.66

Abstract

The effect of combination of Physalis angulata leaf and Cassia angustifolia leaf extract as green inhibitor with a 50:50 ratio for API 5L steel was investigated. This experiment was carried in 1M HCl solution by using different concentrations as variables which is 10 ml, 30 ml, and 50 ml inhibitor extracts. Evaluation of this experiment was performed using potentiodynamic polarization and EIS. The antioxidant compound was investigated using FTIR and was found to be flavonoid. It was found that the capability of the inhibitor to inhibit the steel surface from the environment increases with increasing concentration, which 50 ml concentration is found to have the best efficiency of all concentrations. Combination of Physalis angulata leaf and Cassia angustifolia leaf extract is identified as mixed-type inhibitor with predominant cathodic effectiveness. The adsorption of this inhibitor on the steel surface was predominantly through physisorption and obeyed Langmuir adsorption isotherm.
Troubleshooting Engine Overheat on Wheel Loader Liugong Type 856H Agsya, Raihan Trinanda; Nisrina, Shafa; Noval, Rahmat; Yue, Hong; Batistuta, Andrian Pratama; Santoso, Seto Aji
Recent in Engineering Science and Technology Vol. 2 No. 03 (2024): RiESTech Volume 02 No. 03 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i03.67

Abstract

The Liugong type 856H Wheel Loader unit was donated by PT. Liugong Machinery to Liuzhou Vocational and Technical College (LVTC) as part of a collaborative effort to support teaching and learning activities at LVTC. During practical use, this Wheel Loader unit experienced engine overheating. The aim of troubleshooting the engine overheating issue was to identify the root cause of the problem. This research was conducted using direct observation methods, specifically employing a 7-step troubleshooting approach. The research findings indicate that the engine overheating in the Liugong type 856H Wheel Loader unit was caused by a malfunctioning thermostat component. According to specifications, the thermostat should begin to open at a temperature of 78°C and fully open at 92°C. However, upon inspection, the thermostat did not open until the temperature reached 90°C. This prevented coolant from flowing to the radiator for cooling. As a result, the hot coolant continued to circulate within the engine, leading to engine overheating. The corrective action taken was to replace the faulty component.
Design and construction of the 3D printer two-stand, controlled Arduino Mega 2560 R3 CH340G Pramono, Agus Edy; Fadhila, Nazhmi; Andareska, Rafi Pradaya; Noto, Feri Nugroho Adi; Setiyadi, Iman; Zuhri, Aminudin; Patrik, Yohanes
Recent in Engineering Science and Technology Vol. 2 No. 03 (2024): RiESTech Volume 02 No. 03 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i03.72

Abstract

The need to show the geometry of a workpiece of a component or system on a certain scale and three-dimensionality can be realized through a three-dimensional printing press. This paper explains the techniques and how to design a three-dimensional printing machine and test product printing. The three-dimensional printing machine has been successfully created and built, and the printing test shows the results corresponding to the machine's specifications. The design and fabrication of printer 3D printing machine for PLA filament thermoplastic material has been successfully done. This machine implements an Arduino Mega 2560 R3 CH340G-based control system. The specifications of the 3D printing machine are as follows: Layer height = 0.2 [mm]; Infill density = 20%; Maximum Printing temperature = 240°C; Build plate temperature = 60°C; Print speed = 60 [mm/s]. The input comes from an AC power source that is converted to DC with an Input Power supply of 12 Volt 20 A. The machine has been tested, and parts with geometry are produced according to the machine's specifications.
Pengaruh kadar karbon pada material logam mampu luruh Fe-35Mn-C hasil metalurgi serbuk dengan kalium karbonat sebagai agent pembuat foam Pratesa, Yudha; Setyaningrum
Recent in Engineering Science and Technology Vol. 2 No. 03 (2024): RiESTech Volume 02 No. 03 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i03.73

Abstract

: A Fe-35Mn-1C alloy with a foam structure, incorporating 5% potassium carbonate (K2CO3), was successfully synthesized, demonstrating an austenite phase and an acceptable degradation rate for an implant candidate. However, excessive carbon content led to the formation of a graphite phase and increasing hardness. To address this, variations in lower carbon composition (0% and 0.5%) were explored to enhance mechanical properties and achieve a fully austenite phase with non-magnetic properties. Mechanical alloying of the powder materials was performed using the rotary mixing method and was followed by sintering process in argon atmopher. The sintered samples underwent comprehensive characterization, including physical, chemical, mechanical properties, and degradation behavior. The Fe-Mn-C biomaterial exhibited an austenite and manganese oxide phase with a favorable degradation rate. This study showed K2CO3 is not only as a foaming agent but also could contribute to carbon alloying into the Fe-Mn alloy system.
Front Cover Vol 02 No 03 2024
Recent in Engineering Science and Technology Vol. 2 No. 03 (2024): RiESTech Volume 02 No. 03 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i03.74

Abstract

Table of Content Vol 02 No 03 2024
Recent in Engineering Science and Technology Vol. 2 No. 03 (2024): RiESTech Volume 02 No. 03 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i03.75

Abstract

Improved of Process Production Disc Car Whell Type PSD3K (City Car Type) Hasan, Herry Patria; Susanto, Iwan; Belyamin; Kamal, Dianta Mustofa; Ing-Song Yu
Recent in Engineering Science and Technology Vol. 2 No. 04 (2024): RiESTech Volume 02 No. 04 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i04.71

Abstract

This research accelerates the production process with the aim of increasing productivity from Manufacturers engaged in the manufacture of automotive parts currently experiencing an increase in sales orders on the other hand facing problems in productivity due to cracked side dies in rim production to 1400 pcs. The cracking of the side die is due to thermal shock that occurs to accelerate the production process, as a result of which cracks occur in the side die. With the concept of conducting research in the field of direct production then analyzing the characteristics of mold materials, die characteristics, process characteristics, characteristics of finished products before and after changes by testing the results of the laboratory of measuring instruments and conducting trials of variations in machine setting parameters, variations in the production process and products produced. The experiment involved changing the standard temperature from 520 °C–545 °C to 532 °C–538 °C and reducing the immersion time from a minimum of 270–540 seconds to 332 seconds. It reduces the soaking time from 69 seconds to 46 seconds and the aging time from 190 seconds to 180 seconds, increasing the casting productivity from 194,870 Pcs/28 days to 213,311 Pcs/28 days from seven machines, thus meeting the customer's requirement of 200,000 Pcs/28 days without cracking side die. Durability testing on five product samples in accordance with TSD5605G standards confirms that the quality meets customer specifications. The results of this study prove that SKD6 matrial is much stronger than FCD550 against thermal shock. Keywords: thermal shock, die disc car wheel, manufacturing, automotive parts, casting productivity

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