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All Journal Jurnal Bahan Alam Terbarukan Journal of Mechanical Engineering Education (Jurnal Pendidikan Teknik Mesin)
Susanty Susanty, Susanty
University of Palangka Raya
Education Materials Science & Nanotechnology Mechanical Engineering

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AN ANALYSIS OF METAL SURFACE IMMERSED IN BASED LUBRICANT FROM MINERAL OIL CONTAINING VEGETABLE OIL WITH RICE BRAN OIL BASED BIO-INHIBITOR Nugrahani, Ratri Ariatmi; Hendrawati, Tri Yuni; Susanty, Susanty
Jurnal Bahan Alam Terbarukan Vol 7, No 2 (2018): December 2018 [Nationally Accredited]
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v7i2.11623

Abstract

The need for environmentally friendly chemical products in daily needs encourages the production of its. The green-chemistry concept is using the process and produces chemical products that are ecofriendly. Including ecofriendly chemical products are base oil and additives for lubricants, grease, and fuels. The production is expected to reduce the consumption of mineral and synthetic base oils, so it will be biodegradable and renewable. This study compares the results of analysis of metallic surfaces immersed in the mixture of mineral and vegetable base oil, with the addition of rice bran oil bioadditive, ie epoxidized methyl ester (EME) and hydroxyl alkylbenzene sulphonic acid ester (HASE). The research method consists of preparing HASE; analyzing the effect of HASE and EME bioadditives addition on the mixture of base oil to the changing of metallic weight immersed in the mixture; determining the inhibition efficiency of the EME and HSAE additions; analyzing the metal surface using SEM-EDX (Scanning Electron Microscope) / (Energy Dispersive X-ray Spectrometry) to find images of microstructure and chemical compounds contained in specimens, and testing the metal difractogram immersed in base oil mixtures with bioadditive using XRD (X-Ray Diffraction). SEM test results of carbon steel immersed in a mixture of base oil and bioadditives show corrosion in which the metal surface color immersed in EME bioadditive mixtures is brighter. EDX spectra of metal sample surfaces immersed in a mixture of base oil, EME and HASE contain carbon (C) and iron (Fe). The carbon content in carbon steel samples immersed in the mixtures and HASE is higher. XRD test results show Fe2O3 phases in carbon steel samples immersed in the HASE bioadditive mixture are higher than in EME. While Fe3O4 phases in carbon steel samples immersed in the EME bioadditive mixture are higher than Fe2O3 phases in samples immersed in HASE bioadditive mixture.
RELEVANSI MATERI MATA PELAJARAN PEMELIHARAAN ENGINE SEPEDA MOTOR TERHADAP TUNTUTAN INDUSTRI Susanty, Susanty; Permana, Tatang; Sriyono, Sriyono
Journal of Mechanical Engineering Education Vol 5, No 1 (2018): Juni
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/jmee.v5i1.12627

Abstract

Tujuan penelitian ini yaitu untuk mendeskripsikan relevansi materi pada mata pelajaran Pemeliharaan Engine Sepeda Motor dengan tuntutan industri, dan membuat pemetaan sekuen antara kedua kompetensi tersebut. Metode Penelitian ini menggunakan metode evaluasi congruence model. Instrumen yang digunakan pada penelitian ini berupa dokumentasi, wawancara dan angket. Penelitian ini dilaksanakan di SMKN 8 Bandung dan PT. Daya Adicipta Motora Cibeureum. Partisipan dalam penelitian ini yakni Kepala Diklat divisi Service, Workshop Head, dan instruktur di PT. Daya Adicipta Motor. Partisipan dari pihak SMKN 8 Bandung yakni Wakil Kepala Sekolah bidang Kurikulum serta Guru paket keahlian Teknik Sepeda Motor. Hasil dari relevansi antar kedua kompetensi tersebut adalah 70,3%, hasil ini menunjukkan bahwa relevansi materi pemeliharaan engine sepeda motor di SMKN 8 Bandung termasuk kategori relevan. Pemetaan sekuen dari kedua kompetensi tersebut menghasilkan bahwa kompetensi mata pelajaran pemeliharaan engine sepeda motor sudah sesuai dengan tuntutan industri
AN ANALYSIS OF METAL SURFACE IMMERSED IN BASED LUBRICANT FROM MINERAL OIL CONTAINING VEGETABLE OIL WITH RICE BRAN OIL BASED BIO-INHIBITOR Nugrahani, Ratri Ariatmi; Hendrawati, Tri Yuni; Susanty, Susanty
Jurnal Bahan Alam Terbarukan Vol 7, No 2 (2018): December 2018 [Nationally Accredited]
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v7i2.11623

Abstract

The need for environmentally friendly chemical products in daily needs encourages the production of its. The green-chemistry concept is using the process and produces chemical products that are ecofriendly. Including ecofriendly chemical products are base oil and additives for lubricants, grease, and fuels. The production is expected to reduce the consumption of mineral and synthetic base oils, so it will be biodegradable and renewable. This study compares the results of analysis of metallic surfaces immersed in the mixture of mineral and vegetable base oil, with the addition of rice bran oil bioadditive, ie epoxidized methyl ester (EME) and hydroxyl alkylbenzene sulphonic acid ester (HASE). The research method consists of preparing HASE; analyzing the effect of HASE and EME bioadditives addition on the mixture of base oil to the changing of metallic weight immersed in the mixture; determining the inhibition efficiency of the EME and HSAE additions; analyzing the metal surface using SEM-EDX (Scanning Electron Microscope) / (Energy Dispersive X-ray Spectrometry) to find images of microstructure and chemical compounds contained in specimens, and testing the metal difractogram immersed in base oil mixtures with bioadditive using XRD (X-Ray Diffraction). SEM test results of carbon steel immersed in a mixture of base oil and bioadditives show corrosion in which the metal surface color immersed in EME bioadditive mixtures is brighter. EDX spectra of metal sample surfaces immersed in a mixture of base oil, EME and HASE contain carbon (C) and iron (Fe). The carbon content in carbon steel samples immersed in the mixtures and HASE is higher. XRD test results show Fe2O3 phases in carbon steel samples immersed in the HASE bioadditive mixture are higher than in EME. While Fe3O4 phases in carbon steel samples immersed in the EME bioadditive mixture are higher than Fe2O3 phases in samples immersed in HASE bioadditive mixture.
Co-Authors Ratri Ariatmi Nugrahani Sriyono Sriyono Tatang Permana, Tatang Tri Yuni Hendrawati