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All Journal Jurnal Rekayasa Mesin Info-Teknik INTEK: Jurnal Penelitian Logic : Jurnal Rancang Bangun dan Teknologi Jurnal Energi dan Teknologi Manufaktur Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Jurnal Pengabdian Polinema Kepada Masyarakat Logic : Jurnal Rancang Bangun Dan Teknologi Jurnal Polimesin Evrimata: Journal of Mechanical Engineering
R.N. Akhsanu Takwim, R.N. Akhsanu
Politeknik Negeri Malang
Religion Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences

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Journal : Logic : Jurnal Rancang Bangun Dan Teknologi

 1 
Effect of Temperature Variation of Static Thermal Tensioning on Angular Distortion and Sensitization behavior of GMAW Welded SUS 304 Stainless Steel Plate R.N. Akhsanu Takwim; Purwoko; Bayu Pranoto
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 21 No. 3 (2021): November
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1435.487 KB) | DOI: 10.31940/logic.v21i3.218-224

Abstract

Due to its rust resistance properties, the use of stainless steels, especially SUS304 for industrial equipment is increasing. The manufacturing process that is often used is GMAW welding. One of the disadvantages of SUS304 is the occurrence of distortion and sensitization when welded. In this study, the effect of temperature variations of Static Thermal Tensioning on angle distortion and microstructure behavior due to GMAW welding of SUS 304 T-joint plates was studied. Heating by electric heater is given to both parts of the base metal plate SUS 304 5mm thick with temperature variations of 200 oC, 250 oC and 300 oC. Cooling water with a temperature of 24 oC is provided on the back side of the welded track. Welding using filler ER 304 with a diameter of 0.8 mm with welding parameters such as welding current, voltage, gas flow and travel speed controlled at 75 A, 22 V, 10 l/min and 8 mm/s, respectively. Angular distortion of welding results for each treatment temperature variation was measured using a bevel protractor, and perform metallographic test to knowing the microstructural behavior. The results of the measurement of the average angular distortion of three repetitions show that at a temperature of 250 C static thermal tensioning produces the smallest angular distortion of 3ᵒ70', compared to other temperature variations which produce angular distortion 4o45’ at 200 oC and 3o86' at temperature 300 oC. The findings of the largest Cr (carbide) deposits due to sensitization were found at a temperature of 300 oC at 16,49% and the lowest at a temperature of 200 oC at 7,05%
Corrosion Rate and Residual Stress on GMAW Weld Joint of SUS 304 Steel with Static Thermal Tensioning Treatment R.N. Akhsanu Takwim; Anggit Murdani; Bayu Pranoto
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 22 No. 3 (2022): November
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1115.83 KB) | DOI: 10.31940/logic.v22i3.269-275

Abstract

One of the biggest problems in the metal welding process, especially for stainless steel, is the occurrence of large distortions. To reduce distortion during the welding process, it is recommended to provide secondary thermal like Static Thermal Tensioning. However, the provision of secondary thermal is allegedly able to decrease residual stress but reduce the corrosion resistance of stainless steel . In this study, variations in temperature of static thermal tensioning were applied during the GMAW process of SUS 304 plate. Furthermore, the results of the welding were made test specimens to determine the residual stress and corrosion rate of each temperature variation. The measurement of the residual stress using slitting method and measurements of the corrosion rate was carried out with the Autolab PGSTAT 204 potentiostat. The measurement results showed that residual stress of the welding results decrease along with the increase in the temperature of the Static Thermal Tensioning treatment where the treatment temperature of 200 ºC have highest residual stress at 113.79 MPa, followed by the treatment temperature of 250 ºC with 105.67 MPa value, and the lowest residual stress at temperature of 300 ºC with 77.82 MPa value. But, the corrosion rate value at the opposite way where the treatment temperature of 200 ºC produces the lowest corrosion rate, which is 0.70 mm/year, followed by the treatment temperature of 250 ºC of 0.99 mm/year and at a treatment temperature of 300 ºC with a corrosion rate of 1.27mm/year.
Co-Authors Agus Hardjito Amrullah, Utsman Syah Amrullah, Utsman Syah Anggit Murdani Asrori Asrori Bagus Wahjudi Bagus Wahyudi Bambang Irawan Bambang Sulistyono BAYU PRANOTO Etik Puspitasari, Etik Gumono Haris Puspito B Helmy, Abdullah Hilmi Iman Firmansyah Imam Mashudi Khambali Khambali Kris Witono Kurniawan, Yuda Junaedi Listiono Listiono Maskuri Maskuri Moh. Hartono Muzaki, Mochamad Nila Alia Nurvian Amrullah, Radhi Pondi Udianto Pratama, Rico Wahyu Purwoko Santoso Sari, Nurlia Pramita Satworo Adiwidodo Subagiyo Subagiyo Subagiyo Subagiyo Sudarmadji Sugeng Hadi Sugeng Hadi Susilo Suharto, Nugroho Syamsul Hadi Valeria, Sza Sya Monica Zahratul Jannah Zainuri, Ach. Muhib