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All Journal AUSTENIT APTEK MACHINERY: Jurnal Teknologi Terapan International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Majalah Teknik Mesin
Ramadhoni, Tri Satya
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : AUSTENIT

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KARAKTERISTIK PERMUKAAN PATAH DAN KETAHANAN LELAH PADA MATERIAL BEJANA TEKAN BAJA ASTM A36 Azhari, Ikbal; Chandra, Hendri; Homzah, Ozkar F.; Ramadhoni, Tri Satya; Sampurno, Rachmat Dwi
AUSTENIT Vol. 16 No. 1 (2024): AUSTENIT: April 2024
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v16i1.7219

Abstract

Pressure vessels are equipment in the industrial field to hold pressurized fluids, such as gas, oil and chemicals, ASTM A36 steel is one type of material that can be used in pressure vessels, this steel has good mechanical properties but still has limitations in its fatigue resistance. Pressure vessels receive internal and external loads, this pressure difference results in stress on the wall (shell). This stress can cause material damage, therefore the author conducted fatigue repeated bending and Scanning electron microscopy (SEM) testing to analyze fatigue resistance and fracture surface characteristics. Fatigue testing of 4 specimens with angle variations of 4Ëš, 8Ëš, 11Ëš and 13Ëš resulted in a cycle count of 1490200 cycles, 400050 cycles, 234200 cycles and 99000 cycles respectively. SEM results of the fracture surface of the 4Ëš and 13Ëš testing angles of ASTM A36 steel showed striation and microvoid coalescence and crack propagation indicating that the fatigue failure that occurred was ductile fracture. Based on the conclusions obtained, it shows that the number of cycles is influenced by the testing stress, which means that at high stresses, the life time of the pressure vessel will be smaller and vice versa.
Co-Authors Ahmad Imam Rifa’i Anwar, Zainuri Azhari, Ikbal Gurruh Dwi Septano Hendri Chandra HIDAYATI, BAITI Khoirullah, Ananda Thomas Muhammad Irfan Dzaky Okviyanto, Toni Ozkar F. Homzah, Ozkar F. Rifa'i, Ahmad Imam Rifa’i, Ahmad Imam Sailon, Sailon Sampurno, Rachmat Dwi Sumarna, Herlin Syamsul Rizal Yuliandi, Rizky Brillian Zainuri Anwar