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All Journal JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN Jurnal Inovator Journal of Engineering and Applied Technology
Prihatno Kusdiyarto
Jurusan Pendidikan Teknik Mesin, Universitas Negeri Yogyakarta
Automotive Engineering Civil Engineering, Building, Construction & Architecture Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences

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Journal : Journal of Engineering and Applied Technology

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Analysis of tensile strength and microstructure on GTAW- Aluminum 6061 welding results Ardani Ahsanul Fakhri; Basyirun Basyirun; Ahmad Fikrie; Prihatno Kusdiyarto
Journal of Engineering and Applied Technology Vol 3, No 2 (2022): (August)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jeatech.v3i2.53149

Abstract

The process of joining aluminum metal requires a special welding method. The use of GTAW welding is a suitable method for joining aluminum plates. This research is intended to analyze the tensile strength and microstructure of the GTAW Aluminum 6061 welding with various currents. The research method used in this research is experimental research. Welding current variations used in this study were 100A, 115A, and 130A, then tested using a destructive test, tensile test. The data analysis used in this study is descriptive analysis, where the data obtained are averaged and then described and concluded. The results of microstructure research on GTAW welding show that changes in the microstructure are very visible in the HAZ area and the weld metal, the greater the heat input, the more spread the Mg2Si grains will be. Good structural dispersion only occurs at 130A current. This is different from the base metal which does not change the material structure at all. Based on the tensile test, the tensile stress value is 80.9 MPa at 100 A current, 84.9 MPa at 115A current variation, and the highest tensile strength is 86.7 MPa at 130A current. So, it can be concluded that the higher the current used, the better the microstructure and tensile strength produced.
Performance analysis of the fabricated animal feed mixer machine Ardian, Aan; Wikantara, Astana Aji; Aditya, Zaky Ahmad; Kusdiyarto, Prihatno
Journal of Engineering and Applied Technology Vol. 5 No. 2 (2024): (August)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jeatech.v5i2.73308

Abstract

This research focused on the development of an animal feed mixer machine to improve mixing capacity. The research used an experimental model and involved need analysis, design, development, implementation, and evaluation. The goal was to determine the optimal rotational speed of a stirrer screw for different types of animal feeds as well as understand the stages of making the machine and its working principle. The process involved manufacturing the frame, shaft, transmission, screw fins, sheet metal process, and assembly. The results shows that the animal feed mixer machine with a stirring speed of 312.3 rotations/minute was able to produce 958.3 kg of feed in one hour. This stirring speed provides the best fuel consumption, which is 676.5 ml/hour. The mixer has a safe element on the reduction shaft, with 115.8 kg.mm of torque and 5.82 kW of power. Thus, this mixer is an efficient and productive solution for the animal feed industry.
Co-Authors Aan Ardian Aditya, Zaky Ahmad Ahmad Fikrie Ardani Ahsanul Fakhri Badranaya, Muhammad Imawan Basyirun Basyirun Riswan Dwi Djatmiko Sutopo Sutopo Ulya, Richa Railil Wibowo , Heri Wikantara, Astana Aji Wisnugroho, Susilo