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All Journal Jurnal Energi Dan Manufaktur Rotasi Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Rekayasa Mesin ROTOR: JURNAL ILMIAH TEKNIK MESIN R.E.M (Rekyasa Energi Manufaktur) Jurnal Journal of Mechanical Engineering Science and Technology Turbo : Jurnal Program Studi Teknik Mesin Spektra: Jurnal Fisika dan Aplikasinya STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin Jurnal Elemen Jurnal Teknologi Informasi dan Pendidikan Jurnal Energi dan Teknologi Manufaktur J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Jurnal Techno Bahari

Gaguk Jatisukamto

Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Author-ID : 291603

Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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ANALISIS KEKASARAN PERMUKAAN PROSES SAND BLASTING DENGAN VARIASI TEKANAN, WAKTU DAN SUDUT MENGGUNAKAN METODE TAGUCHI Sugiantoro, Sugiantoro; Dwi Laksana, Dedi; Jatisukamto, Gaguk
J-Proteksion Vol 2, No 1 (2017): J-Proteksion
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/jp.v2i1.2222

Sand blasting merupakan suatu proses yang digunakan untuk merubah karakteristik suatu permukaan. Kekasaran permukaan perlu diperhatikan untuk meningkatkan daya rekat lapisan cat terhadap permukaan material. Proses ini dilakukan denan cara menyemprotkan pasir silika ke suatu permukaan baja dengan kecepatan yang relatif tinggi . Tujuan dari penelitian ini adalah dapat mengetahui pengaruh tekanan, waktu dan sudut terhadap kekasaran permukaan baja SS400 serta untuk mendapatkan parameter yang sesuai pada proses sand blasting. Penelitian ini menggunakan desain eksperimen orthogonal array pada metode taguchi. Parameter yang divariasikan yaitu tekanan udara sebesar 3, 4 dan 5 bar dengan waktu penyemprotan 4, 8, dan 12 detik juga sudut penyemprotan sebesar 30°,60° dan 90°. Dari hasil penelitian menunjukkan bahwa variasi tekanan memiliki pengaruh lebih besar dibandingkan waktu dan sudut. Sedangkan kombinasi parameter yang optimal yaitu tekanan 3 bar, waktu 8 detik dan sudut 60° dengan nilai kekasaran permukaan 54,82 ?m dan tingkat kebersihan SA 2,5.

APLIKASI SPUTTERING TUNGSTEN DAN IMPLANTASI NITROGEN PADA BAJA AISI 410 SEBAGAI CUTTING INSTRUMENT PERALATAN MEDIS Jatisukamto, Gaguk; Malau, Viktor; Ilman, M. Noer; Iswanto, Priyo Tri
ROTASI VOLUME 14, NOMOR 2, APRIL 2012
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Baja tahan karat martensitik AISI 410 digunakan secara luas untuk berbagai peralatan industri maupun peralatan medis.Sifat tahan karat baja AISI 410 dapat ditingkatkan dengan memberikan perlakuan permukaan, salah satunya dengan sputtering dan implantasi ion. Sputtering dan implantasi ion pada permukaan memiliki keunggulan, yaitu proses dapat dilakukan pada temperatur rendah, kedalaman penetrasi dapat diatur dan tidak menyebabkan distorsi. Tujuan penelitian ini untuk mengetahui pengaruh sputtering tungsten dan implantasi ion nitrogen terhadap keausan baja tahan karat AISI 410.Proses perlakuan sputtering tungsten menggunakan teknik d.c magnetron sputtering, dan implantasi ion nitrogen menggunakan implantor ion milik BATAN Yogyakarta. Material target sputtering adalah tungsten dengan tingkat kemurnian 99,95% dalam bentuk padat, sedangkan nitrogen dalam bentuk gas diimplantasikan dengan energi 100 keV dan arus 10 Î¼A. Bahan substrat baja tahan karat AISI 410 dibubut sehingga memiliki diameter 14 mm dan tebal 3 mm. Material diampelas, dipoles, dan dibersihkan dengan ultrasonic cleaner, dan selanjutnya substrat disputtering dengan tungsten dengan variasi waktu 20, 30, 40, 50 dan 60 menit, untuk memperoleh kekerasan yang optimum. Substrat hasil sputtering maksimum selanjutnya diimplantasi dengan menggunakan gas nitrogen dengan variasi waktu 20, 30, 40,dan 50 menit dan selanjutnya diuji kekerasan dan uji aus.Dari pengujian mikrohardness diperoleh hasil bahwa kekerasan maksimum diperoleh pada saat sputtering tungsten 50 menit sebesar 225 HVN.Sedangkan kekerasan maksimum implantasi nitrogen diperoleh pada waktu implantasi 30 menit sebesar 320 HVN. Hasil uji keausan maksimum diperoleh waktu implantasi 30 menit sebesar 30,138 x 10-5mm2/kg

Thermoelectric Generator Module as An Alternative Source Of Electrical Energy in Rural Areas Arkundato, Artoto; Jatisukamto, Gaguk; Misto, Misto; Maulina, Wenny; Syah, Khalif Ardian
Rekayasa : Jurnal Penerapan Teknologi dan Pembelajaran Vol 18, No 1 (2020): July
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rekayasa.v18i1.23691

It has been doneÃ‚Â a research to design a heat-to-electric converter as an alternative electrical energy source based on the thermoelectric generator devices that can convert the heat into the DC electricity. This research aims to determine the optimal operating temperature range to produce the thermoelectric generatorÃ¢â‚¬â„¢s output voltage as the desired conversion module. The developed conversion module uses the Seebeck effect by applying four thermoelectric generators arranged in an electrical circuit series. The electric current in thermoelectric generator occurs under the Seebeck effect due to the temperature difference between the two metal chips in the thermoelectric generator module. Candles were used as a heat source of thermoelectric generator module, while water is used for cooling. The results showed that the application of thermoelectric generator technology had produced an electrical voltage of about 5 volts. The thermoelectric generatorÃ¢â‚¬â„¢s operating temperature around 100 Ã‚ÂºC, and the temperature of the water cooling medium was maintained at around 30 Ã‚ÂºC so that there is a correlation with a temperature difference of about 70 Ã‚ÂºC between the two sides of the thermoelectric generator chips. The electrical voltage that occurs could be used as a source of electrical energy for any purposes.

Karakteristik Aerodinamika Pontoon Pesawat NXXX Versi Amfibi Irsabudi, Andreas Maulana; Jatisukamto, Gaguk; Sutjahjono, Hary
Jurnal Rekayasa Mesin Vol 12, No 2 (2021)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jrm.2021.012.02.24

Seaplanes are aircraft that can take off and landing on water. A seaplaneâ€™s requirement is its need to take off and landing on watery conditions which is equipped with a pontoon.Â Pontoon of a seaplane needs to be evaluated in terms of aerodynamics characteristics when a seaplane flies. The purpose of this study is to determine the correlation of various geometric combinations of deadrise angle, step height, and constant cross-section length with the values of coefficient of drag (CD), coefficient of lift (CL) and coefficient of moment (CM). The methodology was carried out by simulating Computational Fluid Dynamics (CFD) using OpenFOAM software. The results of this study could be concluded that deadrise angle affected coefficient of drag (CD), coefficient of lift (CL) and coefficient of moment (CM) with each value of 0.0055, 0.0044, -0.0036, while step height didnâ€™t influence significantly on coefficient of drag (CD) and didnâ€™t affect coefficient of lift (CL) and coefficient of moment (CM). Constant cross-section length didnâ€™t affect significantly on coefficient of drag (CD) and coefficient of lift (CL) but increasing constant cross-section length increased coefficient of moment (CM) with a value of -0.0039.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rekayasa.v18i1.23691

It has been doneÂ a research to design a heat-to-electric converter as an alternative electrical energy source based on the thermoelectric generator devices that can convert the heat into the DC electricity. This research aims to determine the optimal operating temperature range to produce the thermoelectric generatorâ€™s output voltage as the desired conversion module. The developed conversion module uses the Seebeck effect by applying four thermoelectric generators arranged in an electrical circuit series. The electric current in thermoelectric generator occurs under the Seebeck effect due to the temperature difference between the two metal chips in the thermoelectric generator module. Candles were used as a heat source of thermoelectric generator module, while water is used for cooling. The results showed that the application of thermoelectric generator technology had produced an electrical voltage of about 5 volts. The thermoelectric generatorâ€™s operating temperature around 100 ÂºC, and the temperature of the water cooling medium was maintained at around 30 ÂºC so that there is a correlation with a temperature difference of about 70 ÂºC between the two sides of the thermoelectric generator chips. The electrical voltage that occurs could be used as a source of electrical energy for any purposes.

Pengaruh Dimensi Atom Target D.C. Magnetron Sputtering Terhadap Sifat Mekanis Baja AISI 410 Gaguk Jatisukamto
Jurnal Energi dan Teknologi Manufaktur Vol 1 No 01 (2018)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v1i01.11

Micro machining technology uses AISI 410 steel as tools and surgical equipment. AISI 410 steel is hardenable so it is relatively easy to repair its mechanical properties. The weakness of heat treatment in AISI 410 steel for small dimensioned components causes distortion. Therefore, in this research, an effort to improve the mechanical properties of AISI 410 steel using physical vapor deposition (PVD) technique. The method of this research is to deposition Ti-N, Cr-N, W-N and Al-N with D.C magnetron sputtering technique. The sputtering process is carried out at room temperature by bombarding the target material (coating) with Argon gas, so that the bombed atoms will be deposited on the surface of the substrate (coated material). The results showed that the film layer deposition properties on the surface of AISI 410 steel were influenced by the characteristics of the formed nitride layer and the size of the atoms that struck the surface of AISI 410 steel.

Perbaikan Sifat Korosi Baja Tahan Karat AISI 410 Dengan Perlakuan Implantasi Ion Tin Gaguk Jatisukamto; Viktor Malau; M Noer Ilman; Priyo Tri Iswanto
Jurnal Energi Dan Manufaktur Vol 5, No.1 April 2011
Publisher : Department of Mechanical Engineering, University of Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (371.388 KB)

Baja tahan karat martensitik AISI 410 digunakan secara luas untuk berbagai peralatan industri maupun peralatanmedis. Sifat tahan karat baja AISI 410 dapat ditingkatkan dengan memberikan perlakuan permukaan, salah satunya denganimplantasi ion. Implantasi ion pada permukaan memiliki keunggulan, yaitu proses dapat dilakukan pada temperatur rendah,kedalaman penetrasi dapat diatur dan tidak menyebabkan distorsi. Tujuan penelitian ini untuk mengetahui pengaruhimplantasi ion TiN terhadap laju korosi baja tahan karat AISI 410.Proses perlakuan implantasi ion menggunakan implantor ion milik BATAN Yogyakarta. Bahan yangdiimplantasikan adalah TiN dalam bentuk serbuk, diimplantasikan dengan energi 100 keV dan arus 10 ?A. Sampel daribahan baja tahan karat AISI 410 dibubut sehingga memiliki diameter 14 mm dan tebal 3 mm. Material diampelas, dipoles,dan dibersihkan dengan ultrasonic cleaner dan selanjutnya dimplatasikan dengan lima variasi waktu, yaitu 1, 2, 3, 4 dan 5jam. Sampel yang telah diimplantasi, selanjutnya dilakukan uji korosi dengan alat Potensiostat PGS 201T dalam mediaNaCl 0,9%.Dari pengujian korosi diperoleh hasil bahwa laju korosi raw material sebesar 3,58 mm/year menunjukkankecenderungan menurun hingga mencapai terendah yaitu 2,34 mm/year, yang diperoleh pada waktu implantasi antara 3 dan4 jam. Implantasi ion dengan waktu 3 dan 4 jam menunjukkan hasil hampir sama, yaitu masing-masing 2,35 dan 2,34mm/year. atau dapat dikatakan bahwa laju korosi baja tahan karat AISI 410 yang diberi implantasi ion TiN mengalamipenurunan laju korosi sebesar 34,64%. Penambahan waktu implantasi melebihi waktu optimalnya memberikankecenderungan laju korosi meningkat kembali.

Pengaruh katalis zeolit alam pada pirolisis plastik polyethylene terephthalate dan polypropylene yudan priyo anggono; Nasrul Ilminnafik; Ahmad Adib Rosyadi; Gaguk Jatisukamto
Jurnal Energi Dan Manufaktur Vol 13 No 1 (2020)
Publisher : Department of Mechanical Engineering, University of Udayana

Penggunaan plastik akan semakin meningkat seiring dengan bertambahnya jumlah populasi penduduk dan meningkatnya perkembangan teknologi. Meningkatnya sampah plastik menjadi masalah besar bagi kehidupan dan ekosistem, Karena plastik sulit terurai di dalam tanah dan membutuhkan waktu yang lama untuk dapat terurai. Dengan adanya permasalahan tentang banyaknya sampah plastik yang sulit di uraikan maka dapat dilakukan dengan metode pirolisis, metode pirolisis adalah proses pemanasan sampah plastik dengan menggunakan sedikit oksigen atau tanpa oksigen di dalamnya. Untuk memperbaiki minyak hasil pirolisis maka ditambahkan katalis sebagai katalisator sehingga memperoleh hasil minyak pirolisis lebih baik. Tujuan penelitian ini adalah untuk mengetahui perbedaan minyak PET (polyethylene terephthalate) dan PP (polypropylene), untuk membandingkan hasil pirolisis dari penggunaan katalis dan tidak menggunakan katalis terhadap viskositas minyak yang dihasilkan, serta pengaruh waktu pemanasan terhadap hasil volume minyak pirolisis. Dari penelitian yang dilakukan didapatkan hasil minyak terbanyak dengan bahan plastik PP dengan katalis 33 ml atau 8,46 %, PET katalis 23 ml atau 8,943 % dan minyak PP tanpa katalis 76 ml atau 19,26 %, PET tanpa katalis 65 ml atau 17,23%. The use of plastic will increase along with the increasing population and increasing technological development. Increased plastic waste is a big problem for life and ecosystems, because plastic is difficult to decompose in the soil and requires a long time to be decomposed. With the problem of the amount of plastic waste that is difficult to describe, it can be done with the pyrolysis method, the pyrolysis method is the process of heating plastic waste using little or no oxygen in it. To improve the pyrolysis oil, the catalyst is added as a catalyst to obtain better pyrolysis oil results. The purpose of this study was to determine the differences in PET (polyethylene terephthalate) and PP (polypropylene) oils, to compare the results of pyrolysis from the use of catalysts and not use catalysts to the viscosity of the oil produced, as well as the effect of heating time on the results of the pyrolysis oil volume. The results of the research showed that most PP plastic catalyst oils were 33 ml or 8.46%, catalyst PET 23 ml or 8.943% and PP oil without catalyst 76 ml or 19.26%, PET without catalyst 65 ml or 17.23%.

Analisis Airfoil Double-Slot Flap LS(01)-0417 MOD Dengan Airfoil Tanpa Flap Nasa SC(2) 0610 Gaguk Jatisukamto; Mirna Sari
Jurnal Energi Dan Manufaktur Vol 11 No 2 (2018): Published in Oktober 2018
Publisher : Department of Mechanical Engineering, University of Udayana

Kestabilan pesawat terbang ditentukan oleh desain airfoil sayap dan ekor. Perbedaan kecepatan aliran udara antara permukaan atas dan bawah airfoil menghasilkan perbedaan tekanan sehingga akan memberikan gaya angkat (lift) pada sayap. Perbedaan tekanan udara pada permukaan sayap dinyatakan dengan pressure coefficient (Cp), yaitu perbedaan tekanan statik lokal dengan tekanan statik aliran bebas. Koefisien lift (Cl) adalah rasio antara gaya angkat (lift) dengan tekanan dinamis. Peningkatan angka CL sebesar 20,4% pada riset sebelumnya diperoleh berdasarkan simulasi penambahan flap. Tujuan penelitian ini adalah membandingkan hasil simulasi airfoil double slot flap LS(01)-0417 MOD dengan airfoil NASA SC(2) 0610 yang tanpa flap dan mencari korelasi antara sudut serang (?) dengan koefisien lift (Cl ).Metodologi penelitian dilakukan dengan simulasi Computational Fluid Dynamic (CFD). Hasil penelitian dapat disimpulkan bahwa koefisien lift CL untuk airfoil double slot flap LS(01)-0417 MOD menghasilkan CL = 1,498 sedangkan dengan sudut serang ? = 16o sedangkan airfoil NASA SC(2) 0610 tanpa flap memiliki nilai CL = 1,095 dengan sudut serang 13o. The stability of the aircraft is ordered by the airfoil design of the wings and the tail. The difference in flow velocity between the surface and the bottom of the airfoil will produce styles that will present lift on the wings. The difference in airflow velocity between the top and bottom surfaces of the airfoil produces a pressure difference so it will provide lift (lift) on the wing. The lift coefficient (CL) is the ratio between lift with dynamic pressure. The difference of air pressure on the wing surface is expressed by pressure coefficient (Cp), the difference of local static pressure with free flow static pressure. The lift coefficient (Cl) is the ratio of lift to dynamic pressure. An increase in CL value of 20.4% in previous research was obtained based on the simulation of flap addition. The purpose of this research is comparison between airfoil double slot flap LS (01)-0417 MOD with airfoil NASA SC (2) 0610 without flap and search between angle of attack (?) with coefficient of lift (Cl). Method research is done by Computational Fluid Dynamic (CFD). The result of this research can be concluded that lift coefficient CL for double slot airfoil flap LS (01)-0417 MOD yield CL = 1,498 while with angle of attack ? = 16o while airfoil NASA SC (2) 0610 without flap have value CL = 1,095 with angle of attack 13o

Study on The Thermal Distortion, Hardness and Microstructure of St 37 Steel Plate Joined Using FCAW Maijuansyah Maijuansyah; Yanuar Rohmat Aji Pradana; Gaguk Jatisukamto; Solichin Solichin
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 3, No 1 (2019)
Publisher : Universitas Negeri Malang

This study sets out to investigate the distortion angle, microstructure, and hardness of St 37 steel plate weld joint produced by FCAW using the welding current of 80, 110, and 140 A. By using flat position, CO2 and E71T-1 wire were utilized as a shielding gas and electrode filler, respectively. The distortion angle measurement was done on 3 different locations of the welded sample perpendicular to weld direction by using bevel protractor. The micro Vickers tests were then applied gradually at the cross-sectional surface with a distance of 0, 5, 10 and 15 mm from weld centreline using the load of 300 g for indentation time of 15 s. A series of microstructural observations were subsequently directed on cross-sectional weld joint regions including base metal, heat-affected zone (HAZ) and weld metal to investigate the microstructural transformation. From the results, it can be observed that increasing welding current can reduce the hardness at all indentation regions as well as inducing a higher level of thermal distortion occurred on a weld joint, especially at HAZ. The microstructural transformation was also observed at sample welded using various welding current. Both heat input and cooling rate subjected to the welded sample played an important role to characterize their properties.

Co-Authors ,, Sumarji Agus Triono Ahmad Adib Rosyadi Ahmad Syuhri Ahmad Wafi Al Wafi, Adib Andhika Putra, Alfian Andi Sanata Andreas Maulana Irsabudi Aris Zainul Muttaqin Artoto Arkundato Asdin Amroe An Nafi Asrofi, M Ayu Martha Lestari Azmi Saleh Cahya Alief Prasetyo Cahya Alief Prasetyo Catur Suko Sarwono Chatarina Umbul Wahyuni Dedi Dwi Laksana Digdo Listyadi, Digdo Dika Pratama, Awang Dwi Djumhariyanto Dwi Laksana, Dedi Edoward Ramadhan, Mochamad Gembong Djoni Putranto Hadi Paramu Hanifudin, Muhamad Hary Sutjahjono HT Prasetiyo, Dani Ibrahim Hanif Indra Surya Iwanata Intan Hardiatama Irsabudi, Andreas Maulana Iwan Sugihartono Kustanto, Muh. Nurkoyim Kustanto, Nurkoyim Lukman Hakim M Noer Ilman M. Noer Ilman Mahros Darsin Maijuansyah Maijuansyah Mirna Sari Mirna Sari Misto Misto Misto Misto Moh. Nurkoyim Kustanto Muh Nurkoyim Kustanto Muhammad Dimyati Nashrullah Muhammad Mukti Ali Muhammad Trifiananto Mulyadi , Santoso Muttaqin , Aris Zainul Naafi' ul Amri Nasrul Ilminnafik Pradana, Yanuar Rohmat Aji Prakoso, Muhammad Ihsan Pratama Yuli Arianto Priyo Tri Iswanto Puranggo Ganja Widtyo Putratama, Panji Hastawirata Rachmad Dwi Fitriansyah Rahma Rei Sakura Rika Dwi Hidayatul Qoryah Riko Septian Riko Septian Riyas, Nur Abdi Abdillah Robertus Sidartawan Rony Agista Apriansyah Salahuddin Junus Santoso Mulyadi Sholiha, Zhahra Hanif Siti Nur Rahmah Anwar Solichin Solichin Sugiantoro Sugiantoro Sugiantoro, Sugiantoro Sukma, Kinanti Wilujeng Sumarji Sumarji Susilo, Bili Darnanto Sutjahjono , Hary Syah, Khalif Ardian Viktor Malau Viktor Malau Wenny Maulina, Wenny Widyaningrum Febriolita yudan priyo anggono Yuni Hermawan Zainul M, Aris

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