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All Journal International Journal of Advances in Applied Sciences Transmisi Rekayasa Mesin Journal of Engineering and Management in Industrial System Jurnal Inovasi Teknologi Pendidikan Bulletin of Chemical Reaction Engineering & Catalysis Journal of Mechanical Engineering Science and Technology Civil Engineering Dimension Jurnal Karinov Jurnal Teknik Mesin dan Pembelajaran Jurnal Komunitas: Jurnal Pengabidian Kepada Masyarakat Jurnal Pengabdian, Pendidikan dan Teknologi Teknomekanik International Journal of Mechanical Engineering Technologies and Applications (MECHTA) Mechanical Engineering for Society and Industry Automotive Experiences Jurnal Abdimas Prakasa Dakara Bulletin of Chemical Reaction Engineering & Catalysis Vokasi UNESA Bulletin of Engineering, Technology and Applied Science
Rr. Poppy Puspitasari
Universitas Negeri Malang
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Journal : Transmisi

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Identification of Thermophysical and Rheological Properties of SAE 5w-30 with Addition of Hexagonal Boron Nitride Reyhandi Katon Asmoro; Poppy Puspitasari; Avita Ayu Permanasari; Muhammad Ilman Hakimi Chua Abdullah
TRANSMISI Vol 19, No 1 (2023): March 2023
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v19i1.9639

Abstract

This research uses SAE 5W-30 lubricant base material with the addition of Hexagonal Boron Nitride (hBN) nanoparticle additives. This study aims to analyze the thermophysical and rheological properties of lubricants with the addition of nanoparticles. The method in this study uses a two-step method where nanoparticles are first prepared separately, then added with nanoparticles with varying volume fractions of 0.05%, 0.10%, 0.15% into the base fluid as a processing step. The next step is the stirring process using a magnetic stirrer, and ultrasonic homogenizer process.  Furthermore, the nanolubricant was tested for thermophysical properties including viscosity, density, thermal conductivity, and sedimentation.
Morphology Study of the Corrosion Rate on Weld Joint of Double Side Friction Stir Welding Aluminum Alloy AA6061 Simonne Andrean Crisdion; Poppy Puspitasari; Avita Ayu Permanasari; Danang Priyasudana; Diki Dwi Pramono; Majid Niaz Akhtar
TRANSMISI Vol 19, No 1 (2023): March 2023
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v19i1.9636

Abstract

DSFSW welding uses the rotating of a tool in the workpiece to create heat owing to friction between workpiece and tool to be connected. Corrosion is influenced by the presence of high heat owing to friction and a non-uniform cooling rate. The heat transforms the metal in the Heat Affected Zone (HAZ) and Weld Metal (WM) region, which can result in flaws such porosity, kissing bond, fractures, voids (from welding penetration), and flash as well as changes to the microstructure. Changes in the microstructure of welded joints can affect the resistance of welded joints to corrosion. The purpose of this study is to experimentally analyze the main causes of failure of AA6061 DSFSW joints based on welding temperature, weld defects, microstructure, corrosion rate and morphology of the corroded surface. Temperature testing using thermocouple to analyze the temperature, welding joint defects using DSLR camera and radiography test, microstructure using optical microscope, corrosion rate using AUTOLAB PGSTAT and morphology of corroded surface using SEM. The temperature analysis results show that the advancing side has a higher temperature than the retreating side, due to friction between the tool and base metal accompanied by the opposite welding direction. Visual inspection shows that all specimens and welding positions produce flash that is quite rough on the top (1G) and bottom (4G) surfaces and radiographic test results show incomplete fusion in 4 specimens. Microstructure shows a change in shape and size resulting in recrystallization in the form of fine grains. The highest corrosion rate is found in specimen B 1G welding position of 0.63856mm/year and the lowest corrosion rate in specimen A of 0.058567mm/year. SEM test results show the type of corrosion that occurs in DSFSW welding joints is pitting corrosion.
Investigation of Thermophysical and Rheological Properties of Scallop Shell Powder/SAE 5w-30 Nanolubricant Purwanto, Muhammad Rizky; Puspitasari, Poppy; Permanasari, Avita Ayu; Abdullah, Muhammad Ilman Hakimi Chua
TRANSMISI Vol 19, No 1 (2023): March 2023
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v19i1.9638

Abstract

Nanolubricant is a type of nano fluid that contains base-fluid lubricant (water or oil) and nanoparticles. This study aims to analyze the thermophysical and rheological properties of lubricants with the addition of nanoparticles. The nanoparticles used are Calcium Carbonate (CaCO3) made from scallop shell waste. The base lubricant is SAE 5W-30 synthetic oil which has quite good performance. Synthesis of Calcium Carbonate (CaCO3) into SAE 5W-30 lubricant uses a two-step method. Variations in the addition of volume fraction of Calcium Carbonate (CaCO3) of 0.05%, 0.10%, 0.15%. Furthermore, the nanolubricant was tested for its thermophysical properties which included thermal conductivity, specific heat, density, viscosity, and sedimentation. After that, the rheology of the nanolubricant can be known from the viscosity data by calculating the shear rate and shear stress.
Co-Authors A. A. Permanasari Abdul Razak, Jeefferie Abdullah, Muhammad Ilman Hakimi Chua Achyarsyah, Mochamad Adi Pangestu, Deni kusuma Afif Achsanul Choiri AGUS SETIAWAN Agus Suyetno Ahmad Atif Fikri Akbar, Muhamad Rizky Al-Irsyad , Muhammad Alief Muhammad Amat Mukhadis Aminnudin, Aminnudin Amir Hamzah Andika Bagus Nur Rahma Putra, Andika Bagus Nur Rahma Andoko Andoko, Andoko Anwar Johari Aprilia Sari Yudha Ardianto Prasetiyo Arifiansyah, Gilang Putra Pratama Avita Ayu Permanasari Bayu Angga Pratama Boedya Djatmika Busono, Milzam Rahmat Danang Priyasudana Dani Hari Tunggal Prasetiyo Darmawan, Muhammad Wahid Deny Yudo Wahyudi Dewi Puspitasari Didin Zakaria Lubis Didin Zakariya Lubis Diki Dwi Pramono Djoko Kustono Eddy Rudianto Erry Yulian Triblas Adesta Fadhila Wahyu Putri Fitriyanto, Retnaldi Fuad Indra Kusuma Ghazali, Mariyam Jameelah Ginta, Turnad Lenggo Habiby, M. Nuril Anwar Hasan Ismail Heru Suryanto Imam Muda Nauri ING Wardana Izzatus Tsamroh, Dewi Jaafar, Rosidah Jeefferie Abd Razak Kevin Valiant Cahya Komara, Erwin Kurniawan, Dany Ardymas Lorenzo, Gina A. M. Alfian Mizar M. Rizka Gita Firmansyah Maheswara, Dharma Mahfud Ihsan Majid Niaz Akhtar Malik Abdurrachman Mohamad, Noraiham Mohammad Tauviqirrahman Muhajir, Muhamad Muhamad Fatikul Arif Muhammad Hanis Zakariah Muhammad Hanish Zakariah Muhammad Ilman Hakimi Chua Abdullah Muhammad Kashif Muhammad Najib Mauludi Muhammad Rizka Gita Firmansyah Murdanto, Putut Mustapha, Mazli N. A. Ahmad Nanang Eko Wahyuningtyas Nanang Qosim Nandang Mufti Noraiham Mohamad Nur Aliza Ahmad Nursabrina, Aisya Pasang, Timotius Pasha, Muhammad Faizullah Pindo Tutuko Pramono, Diki Dwi Prasetya, Riduwan Prihanto Trihutomo Puput Risdanareni Purwanto, Muhammad Rizky Puspitasari, Dewi Radja, Muhammad Bustomi Rahmah, Anisa Ur Razak, Jeefferie Abd Razak, Jeefferie Abd. Razak, Jeefferie Bin Retno Wulandari Retno Wulandari Reyhandi Katon Asmoro Riana Nurmalasari Rosidah Jaafar S. M. S. N. S. Zahari Salam, Haipan Samsudin Anis Saputro, Suratno Adi Shaharun, Maizatul Shima binti Simonne Andrean Crisdion Siti Nur Azella Zaine Siti Zaleha Wahid Solichin Solichin Solichin Solichin Sukarni Sukarni Sukarni Sukarni Sumarli Sumarli T. Pasang Wahid, Siti Zaleha Wahidin, Ahmad Faizal Wahono Wahono Wahyu Kurnianto Wahyunengsih, Wahyunengsih Warestu, Ayu Wati, Rita Fajar Widiyanti Widiyanti, Widiyanti Winarto Winarto Wiwik Wahyuni Yahya Zakaria Yazirin, Cepi