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All Journal Journal of Mechanical Engineering Learning Infotekmesin Journal of Community Development Abdi Masya Pengabdian Jurnal Abdimas Jurnal Polimesin
Nur Akhlis Sarihidaya Laksana, Nur Akhlis Sarihidaya
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Journal : Infotekmesin

 1 
Peranan Parameter Quench dan Temper Pada Ketangguhan Carbon-Manganese Steel Laksana, Nur Akhlis Sarihidaya; Rahman Sari Nurhidayat, Akhlis; Akhlis Sarihidaya Laksana , Nur; Yurianto, Yurianto
Infotekmesin Vol 14 No 1 (2023): Infotekmesin: Januari, 2023
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v14i1.1566

Abstract

The use of material that is specified as armor steel has a high resistant value. The quenching and tempering process is done to improve the toughness of the material. The process uses a temperature of 900oC on the quenching process with water medium and tempering temperatures of 125oC and 175oC holding time for 30 minutes. The tests include the impact test to determine the increase in the material and fractography to determine the ductility of the material. There is a decrease in the value of the impact that occurs after the quenching process. The impact value is increasing due to the tampering impact of 32 J during the quenching process to 50 J. The fractography shows brittle fractures with ridges as a feature of brittle fractures. Rapid cooling rate processes in the quenching process cause cracks in the quenching specimens.
Pengaruh Metode Quenching dan Tempering Terhadap Kekerasan Material Hot rolled Plate (HRP) Steel Nurhidayat, Akhlis Rahman Sari; Laksana, Nur Akhlis Sarihidaya; Yurianto, Yurianto
Infotekmesin Vol 14 No 2 (2023): Infotekmesin: Juli, 2023
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v14i2.1927

Abstract

Hot rolled plate steel as a material to be used for steel armor needs to have the characteristics of a high hardness value. Medium carbon steel as the basic material is quenched at a temperature of 900 oC and tempering is carried out at a temperature of 125 oC and 175 oC with a holding time of 30 minutes. The Ms value is a benchmark for changes in martensite which is influenced by the constituent elements of the material. The use of water as a quench medium changes the structure of austenite to martensite. The martensite structure that occurs increases the optimum hardness value in HRP Steel material. The tempering process carried out above the Ms value causes a decrease in the hardness value. The highest hardness value was obtained in the quenching process with 542 HV which was influenced by the distribution of martensite. The decrease in hardness value occurs due to the tempering process, the average hardness value at temper 125 oC is 524.4 HV and 175 oC is 524 HV.
Analisis Performa dan Studi Konsumsi Energi Kendaraan Listrik Sepeda Motor Listrik SEMOLI Laksana, Nur Akhlis Sarihidaya; Ariawan, Radhi; Girawan, Bayu Aji; Sari Nurhidayat, Akhlis Rahman
Infotekmesin Vol 15 No 1 (2024): Infotekmesin: Januari, 2024
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v15i1.2093

Abstract

In this article the author conducts research related to energy consumption studies on electric motorbike vehicles (SEMOLI) made and developed by the author. The purpose of the energy consumption study is to determine the energy consumption of electric motorbike vehicles that have been made for further improvement and development. The method used is experimentation with the first phase testing on a straight flat road for one kilometer with flat road conditions, this phase of experimental results shows an average energy consumption of 30 Wh, for an average uphill road consumption of 40 km / h and for the second phase of experimental data using experimental methods with speed parameters 30 - 35 km energy consumption has an average of 30 Wh, at speeds of 40 - 45 km / h energy consumption has an average of 28 Wh, and 50-55 km / h average energy consumption of 27 Wh. The test results show that on flat road conditions and the increasing speed, the energy consumption will decrease.
Rancang Bangun Sepeda Motor Listrik (SEMOLI) Generasi 3 Laksana, Nur Akhlis Sarihidaya; Aji Girawan, Bayu; Ariawan, Radhi; Rahman Sari Nurhidayat, Akhlis
Infotekmesin Vol 16 No 2 (2025): Infotekmesin: Juli 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i2.2791

Abstract

In this research, the design process of the third generation of electric motorcycles (SEMOLI) is carried out, which is a development of the previous generation with the aim of developing electric vehicles using gearboxes, in order to add acceleration ratios to adjust to road or terrain conditions. as an alternative solution to the increase in fuel and the depletion of fossil energy sources. The results of this study support the national electric vehicle conversion program. The results can be used for the development of the automotive industry. The method used is research and development (R&D). The design process begins by calculating the design requirements for power transfer and frames. The frame simulation process produces a maximum stress of 149 MPa with a allowable stress of 163.2 MPa with a displacement of 2 mm. It is said to be safe to continue the manufacturing and fabrication process. The vehicle trial process produces a maximum vehicle speed of 55 km/h with an average energy consumption of 27 watts/hour.
Co-Authors Aji Girawan, Bayu Akhlis Sarihidaya Laksana , Nur Girawan, Bayu Aji Ikhtiagung, Ganjar Ndaru Jati, Unggul Satria Kurniawan, Ipung Nur Wachid Adi Prasetya Nurhidayat, Akhlis Rahman Sari Pribadi, Joko Setia Pujono, Pujono Radhi Ariawan Rahman Sari Nurhidayat, Akhlis Roy Aries Permana Tarigan Sari Nurhidayat, Akhlis Rahman Sodikin, Jenal Tarigan, Roy Tarigan, Roy Aries Permana Ulikaryani, Ulikaryani Wanti, Linda Perdana Yurianto Yurianto