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All Journal Jurnal Teknoin Jurnal Teknik ITS IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science Rekayasa Mesin Journal of Innovation and Applied Technology Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Intake : Jurnal Penelitian Ilmu Teknik dan Terapan Specta Journal of Technology International Journal of Industrial Research and Applied Engineering Jurnal Abdi: Media Pengabdian Kepada Masyarakat Jurnal Kedaymas Prosiding Seminar Nasional Program Pengabdian Masyarakat Penamas: Journal of Community Service PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Journal of Materials Exploration and Findings Makara Journal of Technology eProceedings of Art & Design Eduvest - Journal of Universal Studies Tintamas: Jurnal Pengabdian Indonesia Emas
Sulistijono Sulistijono
Departemen Teknik Material Dan Metalurgi, Institut Teknologi Sepuluh Nopember
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Journal : IPTEK Journal of Proceedings Series

 1 
Effect of Heat Input with Current Variation on Weld Overlay GTAW Method with ERNi-CI and ERNiFe-CI Fillers on Mechanical Properties and Micro Structure of Main Cap Product Laisa, Muhammad Ikbal; Sulistijono, Sulistijono; Awali, Jatmoko
IPTEK Journal of Proceedings Series No 4 (2018): The 3rd International Conference On Materials and Metallurgical Engineering and Technol
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (831.861 KB) | DOI: 10.12962/j23546026.y2018i4.3842

Abstract

Weld overlay is one of veneering method that do by welding on the base metal, so there is wear resistant, additional layer and corrosion resistant. Vibration load that work continue on engine block causing worn out on the components that be in the engine block, one of which occurs on both sides of the main cap that directly intersect to the engine block, however it needed an appropriate repair method that is weld overlay method that giving additional layer and wear resistant. This research is using filler ERNi-CI dan ERNiFe-CI on weld overlay method GTAW with current variation on main cap that made from nodular cast iron. Trials that did is conducted metallography and hardeness. The observation result of metallography show that micro structure in HAZ area and base metal contain more ferrite on the lower current. The more heat input however the more it decreasing hardeness value on weld metal and fusion line. This is caused by the more heat input, however cooling that happens become slow. The hardeness value of welding filler ERNiFe-CI is more high than the hardeness value of welding filler ERNi-CI effect of influence the numbers of nickel composition on the filler.
Effect of Volume Fraction Filler on Sound Insulation in Oil Palm Fronds Fiber Composite Polyester Matrix Sidiq, Firman; Sulistijono, Sulistijono; Ismail, Ika
IPTEK Journal of Proceedings Series No 4 (2018): The 3rd International Conference On Materials and Metallurgical Engineering and Technol
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2018i4.3841

Abstract

In this study, the effect of adding palm fiber rods to the polyester matrix for sound insulation purposes was investigated. The type of fiber used is short fibers with random orientation with the percentage difference in the amount of fiber in the composite as a comparison. Testing loss of voice transmission using impedance tube method is done to know the ability of material to reduce or prevent sound. The data obtained from the TL test results were analyzed and the STC (sound transmission class) values were calculated on each sample. The best results obtained are in the first and second samples with the percentage of fiber 0% and fiber 30%. The calculated results of the STC values in samples one and two each have 32.1 dB and 31.6 dB which indicates sufficient ability to defeat the loud noise. Based on these results, a composite with a 30% fiber content can be used as a sound insulation material and can reduce waste of palm oil that is underutilized.
Study of Organic Substance (Myrmecodia pendans) Extraction Using Soxhletation Method as an Organic Inhibitor Rohmannudin, Tubagus Noor; Sulistijono, Sulistijono; Adiyaksa, Muhammad; Chusururi, Mochamad Alvan Mifta
IPTEK Journal of Proceedings Series No 4 (2018): The 3rd International Conference On Materials and Metallurgical Engineering and Technol
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2018i4.3848

Abstract

Extract of natural substance is currently being developed as an organic inhibitor. Organic inhibitor can be used to inhibit corrosion rate of metallic material especially steel. The purpose of this study is to analyze the effectiveness of soxhletation extraction methods and the quality of inhibitor of Sarang Semut (Myrmecodia pendans) extract. The variations implemented in this research were the composition of the solvent-material and the content comparison of flavonoid compounds.  The results of Sarang Semut (Myrmecodia pendans) extract inhibitor using soxhletation extraction method was observed qualitatively and quantitatively This research used soxhletation extraction method, simplicia Sarang Semut (Myrmecodia pendans) powder as the organic substance, and a mixture of acetone and distilled water as the solvent. Ratio variation of the solvent-substance composition used are 1:10, 1:15, and 1:20. Tests used in this study were Extract Parameters, FTIR, TLC and UV-Vis Spectrophotometry and weight loss. The highest yield was shown when using 1:10 ratio which was 13.943%, the total ash content and the lowest extracted water content shown at a ratio of 1:10 with amount of 4.26% and 4.2483%. FTIR test results indicated functional groups of flavonoids compounds and TLC test showed positive results of Flavonoid compounds which were characterized by blackish discoloration. The highest percentage of flavonoid compounds of 0.22025% found at the 1:10 ratio. The highest efficiency inhibition happened when weight loss testing showed 500ppm with the result of 84.3%.
Study of Using Mixture of Bintaro and Coconut Shell Charcoal Powder as Pack Carburizing Media on ST 41 Steel Ridhotullah, Aji; Ashari, Rahmat; Sulistijono, Sulistijono; Andiana, Rocky; Rizky, Yoel
IPTEK Journal of Proceedings Series No 4 (2018): The 3rd International Conference On Materials and Metallurgical Engineering and Technol
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2018i4.3837

Abstract

Pack carburizing is one method of adding carbon into the steel surface. This method is done to improve the mechanical properties of steel so as to reduce the risk of material failure due to static and dynamic load. It has been done in this research about pack carburizing with mixed bintaro charcoal media with coconut shell on ST 41 steel. Carburizing method is done by heating steel which is given a mixture of charcoal at 900 celsius temperature with variation of holding time (1h, 1.5h, 2h) And variation of the charcoal mix ratio with BaCO3 (90: 10, 85: 15, 80: 20). Conducted testing of microstructure, jominy, and the composition so it is known that the mixture of bintaro charcoal and coconut shell quite effectively used as a media pack carburizing. It can be seen that the hardness value of carbon steel has increased with the highest value of 65 HRC, metallographic test results showed good carburizing coating with the best thickness value of 30.9 µm, in jominy testing showed the low hardness carbon steel ability increased with the highest distance from the specimen quench-ends about ¾ inch and on the compositional test results showed an increase in carbon content in steel more than 200%.
Co-Authors Achly, Fariza Hafizh Adiyaksa, Muhammad Adrinanda, Noval Agung Budi Kurniawan Agung Purniawan Amrulloh, M. Farian Andiana, Rocky Andini, Risa Areliano, Samuel Ashari, Rahmat Asih, Wentika Putri Kusuma Awali, Jatmoko Azmi Mahiri Bintang Ayu Nuraeni Chusururi, Mochamad Alvan Mifta Devy Setiorini Sa’adiyah Dharma, Faridz Wira Diah Susanti Diego Pramanta Harvianto Fakhreza Abdul Farah Salsabila, Farah Faris Hizrian Maulana Faris Putra Ardiansyah Faris Putra Ardiansyah H Purwaningsih Hakim, Abdurrahman Handis Zuniandra Haniffudin Nurdiansyah Haniffudin Nurdiansyah Haniffudin Nurdiansyah Hariyati P Hariyati Purwaningsih Irbabulluba Ismail, Ika J.A. Hakim Jatmoko, Awali Jayawarsa, A.A. Ketut Jr., Teodoro A. Amatosa, Kikin Hermanto L. Noerochim Laisa, Muhammad Ikbal Laksono, Andromeda Dwi Lukman Noerochim Luthfiansyah, Candra Rizki M Rizal Pambudi M. Rizal Pambudi Mas Irfan Purbawanto Hidayat Mavindra Ramadhani Mega Ulimaz Menasita Mayantasari Menasita Menasita Mirnawati Mirnawati Moamar Al Qathafi Moh. Farid Muhammad Fachri Nafi’, Dian Naufal Gati Furqon Noor Rohmannudin, Tubagus Nurdiansyah, Haniffudin Pambudi, M Rizal R. Fajarain Rahmah, Linta Atina Ramadhani, Mavindra Ridhotullah, Aji Rinda, Sari Shaimah Rizky, Yoel Rohadi, Anggoro Rohmannudin, Tubagus N Rohmannudin, Tubagus Noor Satrianugraha, Rifqi Fernady Sidiq, Firman Sitorus, Hilda Pebrianti Octaviana Sutarsis Sutarsis Syarip Hidayat Tanjung, Rifqi Aulia Trendy Leo Pratama Tubagus N Rohmannudin Tubagus Noor R Tubagus Noor Rohmannudin, Tubagus Noor Tubagus Noor Rohmanuddin Vania Mitha Pratiwi Yunita Triana, Yunita Zaid Sulaiman