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All Journal Jurnal Teknik Mesin SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Jurnal IPTEK Jurnal Ilmiah Teknik Mesin Jurnal Teknik Mesin Jurnal Rekayasa Material, Manufaktur & Energi AL-JAZARI JURNAL ILMIAH TEKNIK MESIN JPP IPTEK (Jurnal Pengabdian dan Penerapan IPTEK) Prosiding Seminar Nasional Sains dan Teknologi Terapan Jurnal Teknik Mesin Indonesia Specta Journal of Technology Scientific Journal of Mechanical Engineering Kinematika Journal of Applied Sciences, Management and Engineering Technology (JASMET) Jurnal Teknik Mesin Journal of Mechanical Engineering, Science, and Innovation Journal of Mechanical and Electrical Technology Prosiding Seminar Nasional Teknologi Industri Berkelanjutan Journal of Science and Social Development
Afira Ainur Rosidah
Institut Teknologi Adhi Tama Surabaya
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Other

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Journal : Jurnal IPTEK

 1 
The Mechanical Properties and Microstructure Analysis of Carbon Structural Steel After Quenching in Circulated Water Medium Afira Ainur Rosidah; Vuri Ayu Setyowati; Suheni Suheni; Muhamad Febrianto
Jurnal IPTEK Vol 26, No 1 (2022)
Publisher : LPPM Institut Teknologi Adhi Tama Surabaya (ITATS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.iptek.2022.v26i1.1139

Abstract

The use of carbon structural steel in construction is widely developed. It is important to do research continuously in order to get the optimum mechanical and physical properties of a material. Heat treatment which includes heating and quenching is a process that can be carried out to improve mechanical properties. A fast cooling rate is used to obtain higher strength and hardness. This research studied the effect of quenching using circulated water medium with water flow rate variations in structural steel Q235, Q255, and Q275 to their mechanical properties and microstructure. The heat treatment process was done with hardening at 1150oC, roll milling at austenitizing temperature, then quenching using circulated water medium with water flow rate of 225, 238, 247 m3/h. The tensile and hardness test results showed that water flow rate and carbon content in steel give an effect on strength and hardness. The highest tensile strength and hardness value were achieved by Q275 steel with a flow rate of 247 m3/h, which are 73,49 kgf/mm2 and 298 HVN, respectively. Meanwhile, the microstructures resulted in the presence of the mixture of martensite and pearlite, as well as ferrite in every sample with the increase in the composition of martensite and pearlite in Q275 steel with a flow rate of 247 m3/h.
Swing and Electrode Diameter Effects on Toughness and Hardness of Stainless Steel 304 MIG Welding Results Alifian, Fahrizal; Setiawan, Eko Agung; Rosidah, Afira Ainur
Jurnal IPTEK Vol 28, No 2 (2024): December
Publisher : LPPM Institut Teknologi Adhi Tama Surabaya (ITATS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.iptek.2024.v28i2.5375

Abstract

Welding is one of the commonly used methods for joining metals. One of the welding techniques frequently employed is MIG welding (Metal Inert Gas welding). This type of welding is typically used for joining stainless steel. Consequently, many factors need to be analyzed to achieve optimal welding results. The objective of this research is to investigate the influence of swing variation and electrode diameter on hardness, toughness, and macrostructure from the welded stainless steel 304 using MIG welding. The research results showed the highest toughness test results with a 2.0 mm electrode diameter and a zig-zag swing of 0.459 J/mm2, while the lowest toughness test results were obtained with a 2.6 mm electrode diameter and a spiral swing of 0.201 J/mm2. The highest hardness test results were observed with a 2.6 mm electrode diameter and a zig-zag swing in the Heat Affected Zone (HAZ) at 292.0 kg/mm2, whereas the lowest hardness test results were obtained with a 2.0 mm electrode diameter and a zig-zag swing in the welded metal at 203.6 kg/mm2. The widest HAZ occurred with the spiral swing variation and a 1.5 mm electrode diameter, resulting in a HAZ width of 1.92 mm, while the narrowest HAZ of 1.25 mm occurred with the spiral swing variation and a 2.0 mm electrode. Thus, it can be concluded that the electrode diameter variation affects the results of toughness, hardness, and macrostructure tests.
The Mechanical Properties and Microstructure Analysis of Carbon Structural Steel After Quenching in Circulated Water Medium Rosidah, Afira Ainur; Setyowati, Vuri Ayu; Suheni, Suheni; Febrianto, Muhamad
Jurnal IPTEK Vol 26, No 1 (2022): May
Publisher : LPPM Institut Teknologi Adhi Tama Surabaya (ITATS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.iptek.2022.v26i1.1139

Abstract

The use of carbon structural steel in construction is widely developed. It is important to do research continuously in order to get the optimum mechanical and physical properties of a material. Heat treatment which includes heating and quenching is a process that can be carried out to improve mechanical properties. A fast cooling rate is used to obtain higher strength and hardness. This research studied the effect of quenching using circulated water medium with water flow rate variations in structural steel Q235, Q255, and Q275 to their mechanical properties and microstructure. The heat treatment process was done with hardening at 1150oC, roll milling at austenitizing temperature, then quenching using circulated water medium with water flow rate of 225, 238, 247 m3/h. The tensile and hardness test results showed that water flow rate and carbon content in steel give an effect on strength and hardness. The highest tensile strength and hardness value were achieved by Q275 steel with a flow rate of 247 m3/h, which are 73,49 kgf/mm2 and 298 HVN, respectively. Meanwhile, the microstructures resulted in the presence of the mixture of martensite and pearlite, as well as ferrite in every sample with the increase in the composition of martensite and pearlite in Q275 steel with a flow rate of 247 m3/h.
Co-Authors agus hartadi Ahmad Anas Arifin Ali Khomsah Alifian, Fahrizal Ardi Noerpamoengkas Bambang Setyono, Bambang Crespo Romansyah Danail Firmansyah Danang Prayoga, Danang Desmas Arifianto Patriawan Diah Susanti Dwi Khusna Ehwando, Wenny Eko Agung Setiawan Erwanda Wisnu Anarki Fandy Prihatna Suhada Febrianto, Muhamad Frizka Vietanti Gatot Setyono Hasanuddin Hasanuddin Herdianto, Albertus Nova Tomy Hery Irawan, Hery Hidayat, Mas Irfan Purbawanto Hosta Ardhyananta Iftika Philo Wardani Iqbal Rizky Setyawan Jayatin Jayatin, Jayatin Joddy Arya Laksmono Lathifah, Hana Maulana Sanwijaya Maulana, Hasan Syafik Miftachul Ulum, Miftachul Miftahul Choir Miftahul Ulum Muhamad Febrianto Muhammad Yunus Muhammad Yunus Naili Saidatin Nasrul Amin Pangestu, Mulyo Aji Priyahutama, Alfian Afif R. Achmad Supriyadi Rafly Rijayanto Rohmat, Muhammad Yusuf Nur Roni, Kiki Ridho Syah Sasongko, Sukendro Broto Setiawan, Eko Agung Setyowati, Vuri Ayu Suheni Suheni Suheni Suheni Suheni Suheni Suheni Suheni Suheni Suheni Suheni Suheni Suheni Suheni Suheni Syahara, Hariz Syamsuri Syamsuri Tama, Bayu Widias Ubaidulloh, Dawud Ariza Vietanti, Frizka Vuri Ayu Setyowati Vuri Ayu Setyowati Vuri Ayu Setyowati Wardani, Iftika Philo Wijaya, Ade Mundari Zain Lillahulhaq