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All Journal Jurnal Sains dan Teknologi Jurnal Ilmiah Mahasiswa FEB Prosiding Semnastek Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir Jurnal Kelautan dan Perikanan Terapan (JKPT) Jurnal Penyuluhan Perikanan dan Kelautan Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Social, Humanities, and Educational Studies (SHEs): Conference Series Prosiding Seminar Nasional Teknik Mesin Jurnal Mekanik Terapan Jurnal Ilmiah MADIYA: Masyarakat Mandiri Berkarya Aptekmas : Jurnal Pengabdian Kepada Masyarakat Teknologika JURNAL POLI-TEKNOLOGI Jurnal PADE: Pengabdian & Edukasi Metalurgi Jurnal Sains Materi Indonesia Recent in Engineering Science and Technology Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir
Iwan Susanto
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Acceleration of Production Process by Ergonomic Design Hasan, Herry Patria; Belyamin; Iwan Susanto; M Sjahrul Annas
Jurnal Teknologika Vol 14 No 2 (2024): Jurnal Teknologika
Publisher : Sekolah Tinggi Teknologi Wastukancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51132/teknologika.v14i2.288

Abstract

PT. XYZ experienced load imbalance with the production capacity of the D17D product line in the molded production area, The existence of gaps 70 seconds between the standard SOP time of 360 seconds and the actual process time of 430 seconds. This difference occurs due to each process being unbalanced, the results of the process are not the same. With the concept of conducting research in the field of direct production then analyzing the rubberistics of the production process, it is hoped that the problems that occur can be found solutions to eliminate young time (in vain). From the results of this study proves that designing Jig & fixture as a tool to reduce the imbalance of each process where in the Unloading pressing rubber process there is an ergonomic influence that causes the operator to experience MSDs so that production results do not reach the target. As a result, after designing a tool to help the unloading process of the D17D product rubber press machine in the molded area, there was an acceleration of the process where the SOP time was 360 seconds before repairs was carried out 430 seconds after repair to 340 seconds
The Influence of Anodizing Electrolyte Concentration on Ni-P Deposition on Anodic Aluminum Oxide (AAO) Rizkia, Vika; Susanto, Iwan; Belyamin; Garjati, Vina Nanda; Hapsari, Ade Utami; Raharjo, Jarot; Damisih; Pravitasari, Retna Deca
Jurnal Sains Materi Indonesia Vol. 27 No. 1 (2025): Jurnal Sains dan Materi Indonesia
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jsmi.2025.9708

Abstract

Aluminum alloys suffer from deficiencies in surface performance due to insufficient resistance to corrosion and mechanical qualities in harsh environments. Therefore, it is crucial to apply a protective surface modification during the manufacturing process of the aluminum component. The electroless deposited Ni-P shows great potential as a protective coating due to its simple manufacturing process and outstanding performance. This study investigates the effect of oxalic acid concentration in the anodizing process on electroless Ni-P coating. In this study, Anodic Aluminum Oxide (AAO) is formed by an anodizing process on 0.3,0.5, and 0.7 oxalic acids prior to Ni-P electroless deposition. The resulting Ni-P layer has a nodular-like morphology with a size in the order of 0.5 m or less. Moreover, the AAO surface is covered by a thin and tightly formed layer of nickel particles. The EDX analysis shows the oxygen percentage falls by up to 70% after Ni deposition in all anodizing parameters, as compared to the anodized specimens alone. In addition, the nickel content gradually decreases as the concentration of oxalic acid increases from 0.3 M to 0.7 M.
Efektivitas pelatihan partisipatif dalam peningkatan kompetensi mekanik pompa air: Studi Percontohan di Kabupaten Bandung Adhi, Pribadi Mumpuni; Belyamin, Belyamin; Susanto, Iwan; Rahman, Haolia; Kamal, Dianta Mustofa; Pramono, Agus Edy; Nufus, Tatun Hayatun; Sukusno, Paulus; Nidhar, Ainun; Ramadhan, Mochammad Tendi Noer
Jurnal PADE: Pengabdian & Edukasi Vol 7, No 2 (2025): Oktober
Publisher : Politeknik Kesehatan Kemenkes Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30867/pade.v7i2.2794

Abstract

Farmers’ skills in maintaining water pumps remain limited, although these skills are essential for sustaining agricultural production. This study is presented as a pilot study aimed at assessing the effectiveness of participatory training in improving the knowledge, skills, and attitudes of water pump mechanics. The study involved nine mechanics under the guidance of UPTD ALSINTAN Dinas Pertanian Kabupaten Bandung, each representing one of nine affiliated areas. Evaluation was conducted using pre-test and post-test instruments with 20 items on a five-point Likert scale, analyzed descriptively without inferential statistics. The initial findings indicated an increase in the overall mean score from 3.55 to 4.78, with the largest improvements observed in skills (+46.27%) and knowledge (+39,83%). These results suggest improvements in competence, although they remain exploratory. The main limitations of this study are the small sample size and reliance on self-reported measures. Further studies with larger samples and stronger designs are recommended.
Pembentukan Lapisan Anodik Aluminium Oksida Melalui Metode Anodisasi Untuk Proses Pewarnaan Dyeing Pada Aluminium Rizkia, Vika; Susanto, Iwan; Gunadi, Gun Gun Ramdlan; Heryana, Ghany
JST (Jurnal Sains dan Teknologi) Vol. 12 No. 2 (2023): July
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jstundiksha.v12i2.53782

Abstract

Anodisasi adalah proses elektrokimia ramah lingkungan untuk memproduksi lapisan oksida tipis hingga berukuran nanometer pada permukaan logam sehingga menjadi lebih dekoratif, tahan lama, dan tahan korosi. Proses anodisasi dalam larutan H2SO4 digunakan guna mempersiapkan lapisan anodik aluminium oksida (AAO) untuk selanjutnya dilakukan pewarnaan dengan metode dyeing. Pengaruh rapat arus dan waktu celup anodisasi terhadap permukaan hasil pewarnaan serta ketahanan korosi logam aluminium di investigasi dalam penelitian ini. Spesimen aluminium murni dilakukan proses anodisasi dalam larutan 16% H2SO4 dengan rapat arus 1, 3, dan 5 A/dm2 selama 40 dan 60 menit untuk selanjutnya dilakukan pencelupan ke dalam larutan dyeing non elektrolitik. Hasil pewarnaan menunjukkan bahwa tingkat penyerapan zat warna paling tinggi dalam parameter rapat arus 3 A/dm2. Selain itu, peningkatan waktu celup hingga 60 menit dapat meningkatkan kepekatan warna yang diserap. Pengujian korosi menggunakan metode salt spray memperlihatkan bahwa proses anodisasi dan pewarnaan dapat meningkatkan ketahanan korosi pada logam aluminium. Hasil pengujian kekerasan Vickers menunjukkan bahwa semakin tinggi rapat arus menghasilkan penurunan kekerasan rata-rata pada permukaan aluminium hasil anodisasi.
PENDAMPINGAN BUDIDAYA DAN PEMASARAN IKAN LELE UNTUK MENINGKATKAN PRODUKTIVITAS MASYARAKAT DI KELURAHAN SUKABUMI UTARA KECAMATAN KEBON JERUK JAKARTA BARAT: - Iwan Susanto; Mariam, Iis; MRR.Tyas Maheni DK; Nining Latianingsih
Jurnal Ilmiah Madiya (Masyarakat Mandiri Berkarya) Vol. 1 No. 2 (2020): Edisi November 2020
Publisher : Politeknik Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (328.566 KB) | DOI: 10.51510/madiya.v1i2.221

Abstract

Unit Penelitian dan Pengabdian kepada Masyarakat (UP2M) Politeknik Negeri Jakarta telah menetapkan roadmap untuk mencapai sasaran penelitian dan pengabdian kepada masyarakat melalui pendekatan yang berbasis interdisiplin dalam menentukan jenis pengabdian kepada masyarakat. Program pengabdian kepada masyarakat berbasis Program Penerapan Teknologi Tepat Guna (PPTTG) merupakan program yang dikompetisikan dari Kemenristek/BRIN kepada perguruan tinggi tahun 2020. Kegiatan PPTTG 2020 yang diperoleh UP2M-PNJ ini dilakukan di Kelurahan Sukabumi Utara, Kecamatan Kebon Jeruk, Jakarta Barat dengan melibatkan masyarakat dalam upaya peningkatan pemberdayaan ekonomi budidaya ikan lele yang dapat dioptimalkan sebagai pendapatan utama dan tambahan masyarakat. Masalah yang muncul adalah adanya kenaikan untuk harga pakan ikan lele, mudah diserang penyakit, masalah memasarkan ikan lele serta masih terbatasnya teknologi dan keterampilan dalam pembudidayaan ikan lele tersebut. Tujuan dari kegiatan PPTTG ini adalah pedampingan kepada masyarakat dalam mencegah terjangkitnya penyakit pada ikan lele, memasarkan hasil panen ikan lele kepada pembeli baik secara offline maupun online, dan memberikan keterampilan pengelolaan ikan lele menjadi siomay yang dapat dijual. Hasil dari PPTTG ini adalah adanya kolam budidaya ikan lele menggunakan bahan terpal, harga jual ikan lele yang baik sehingga harga beli pakan dapat terjangkau dan menambah pendapatan masyarakat, memiliki pengetahuan pola pemasaran ikan lele dan siomay lele baik offline maupun online, dan mampu mendeteksi gejala penyakit pada ikan lele.
Analisis Pengaruh PDRB, Penduduk, dan Inflasi Terhadap Pendapatan Asli Daerah (PAD) (Studi Kasus Kota Malang Tahun 1998 – 2012) Susanto, Iwan; Maskie, Ghozali
Jurnal Ilmiah Mahasiswa FEB Vol. 2 No. 2
Publisher : Fakultas Ekonomi dan Bisnis Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Tujuan penelitian ini adalah untuk mengetahui pengaruh serta variabel yang dominan dari variabel independen yaitu variabel PDRB,  Penduduk, dan Inflasi, sedangkan variabel yang dipengaruhi merupakan variabel dependen yaitu variabel Pendapatan Asli Daerah (PAD) Kota Malang, dan studi kasus pada waktu tahun 1998 – 2012.  Pengumpulan data yang berkaitan dengan PDRB, Penduduk, dan Inflasi  serta Pendapatan Asli Daerah Kota Malang di peroleh dari BPS, Bappeda di Kota Malang, adapun teknik yang digunakan untuk mengetahui variabel terikat di pengaruhi variabel bebas yaitu analisis regresi berganda. Uji F digunakan untuk mengetahui hasil hipotesis secara simultan antara variabel bebas terhadap variabel terikat, Sedangkan uji t digunakan pengujian secara parsial Hasil penelitian dapat disimpulakan bahwa secara simultan variabel PDRB, penduduk, dan Inflasi  berpengaruh signifikan terhadap Pendapatan Asli Daerah (PAD) Kota Malang, secara parsial PDRB, Penduduk berpengaruh signifikan terhadap Pendapatan Asli Daerah (PAD) Karena PDRB menggambarkan sembilan sektor hasil perekonomian semakin meningkat perekonomian semakin meningkat perolehan pendapatan asli daerah didalam Kota Malang, sedangkan penduduk merupakan penggerak perekonomian dan Inflasi mempunyai nilai yang tidak signifikan atau hanya mempunyai pengaruh rendah terhadap Pendapatan Asli Daerah (PAD) karena  Inflasi merupakan dampak pergerakan ekonomi secara positif ataupun negatif. Variabel yang dominan berpengaruh  terhadap peningkatan pendapatan asli daerah    yaitu variabel PDRB dan Penduduk karena memiliki nilai koefesien determinasi paling besar dari pada nilai variabel Inflasi. Peningkatan Pendapatan Asli Daerah (PAD) di pengaruhi adanya unsur PAD yaitu  pajak, retribusi,  hasil pengelolaan daerah yang dipisahkan, dan lain  –  lain pendapatan asli daerah yang sah. Kata kunci : PDRB, Penduduk, Inflasi, Pendapatan Asli Daerah (PAD).
Studi Pendahuluan Pengendapan Cerium, Lanthanum, dan Neodymium dari Larutan Klorida Menggunakan Sodium Karbonat pada Pengolahan Monasit Bangka Trinopiawan, Kurnia; Avifa, Venny Nur; Susilo, Yarianto Sugeng Budi; Rakhma, Ersina; Supriyatna, Yayat Iman; Susanto, Iwan; Permana, Sulaksana; Soedarsono, Johny Wahyuadi
EKSPLORIUM Vol. 41 No. 1 (2020): MEI 2020
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/eksplorium.2020.41.1.5871

Abstract

Monazite mineral as associated mineral of tin mining in Bangka Belitung Islands contains light rare earth elements like Cerium (Ce), Lanthanum (La), and Neodymium (Nd). The objective of this study is to obtain the concentrates of rare earth carbonate through the precipitation process with sodium carbonate (Na2CO3) and determine the effect of concentration and volume of Na2CO3 on the precipitation recovery of Ce, La, and Nd. The preparation of the feed solution was carried out by following the monazite processing route using the alkali method includes the stages of decomposition, dissolution, and precipitation of radioactive elements. The highest precipitation recovery for Ce, La, and Nd are 10.84%, 7.81%, and 2.68% respectively in the use of Na2CO3 with a concentration of 30% wt and a volume of 55 mL.
Pembelajaran Daring dan Luring pada Masa Pandemi Covid-19 Pratama, Rio Erwan; Mulyati, Sri; Susanto, Iwan
Social, Humanities, and Educational Studies (SHES): Conference Series Vol 3, No 4 (2020): Social, Humanities, and Educational Studies (SHEs): Conference Series
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (178.998 KB) | DOI: 10.20961/shes.v3i4.53368

Abstract

This study aims to explore whether online learning and offline learning can work well, so that educational goals can be achieved. This research is a phenomenological qualitative research to find out how the application of online learning and offline learning in one of the SD Negeri Sepatnunggal 02 in Cilacap Regency, Central Java, Indonesia. The steps of this research include action planning, action implementation, observation stage, and reflection stage. From the results of the study, there were several obstacles in its implementation, but they could be solved well by the teacher in order to educate the students. Both online and offline learning systems are expected for teachers to be creative in educating students, so that learning success can be achieved properly or effectively. This study provides information that teachers actually prefer offline learning where they can interact with students, and also students prefer offline learning with face-to-face interactions.
Co-Authors Abdul Azis Abdillah Adhi, Pribadi Mumpuni Agus Budi Prasetyo Ainun Nidhar, Ainun Alfani Rivaldo Amatullah Fatin, Shafa Anis Rosyidah Arifia Ekayuliana Avifa, Venny Nur Bagus Dwi Putra Belyamin Belyamin Budi Prianto Damisih Debby Rachel Dewin Purnama Ersina Rakhma Fachruddin Fachruddin Fahmi, Muhammad Hisyam Fikri, Mohamad Fuad Zainuri Fuad Zainuri, Fuad Garjati, Vina Nanda Ghany Heryana Ghozali Maskie Gunadi, Gun Gun Ramdlan Hapsari, Ade Utami Hasan, Herry Patria Hidayat Tullah, Muhammad Ida Nurhayati Iis Maria Iis Mariam Ilyas, Dede Muhamad Ilyas Ing-Song Yu Isnanda Nuriskasari Jarot Raharjo Jauhari Ali Johny Wahyuadi Soedarsono Kamal, Dianta Mustofa Kurnia Trinopiawan Kurnia Trinopiawan M Sjahrul Annas Moh Zaenal Abidin Eko Putro MRR.Tyas Maheni DK Muhammad Hidayat Tullah Mustofa Kamal, Dianta Muzakki, Rafi Handika Nining Latianingsih Noval, Rahmat Novi Purnama Sari Nugroho Eko Setijogiarto Nurzal, Nurzal Paulus Sukusno Permana, Sulaksana Pramono, Agus Edy Pravitasari, Retna Deca Purnomo, M Zalu Rafdi Abdul Majid Rahman, Haolia Rahmat Subarkah Rahmat Subarkah Rakhma, Ersina Ramadhan, Mochammad Tendi Noer Ramiati, Tia Rio Erwan Pratama, Rio Erwan Rivaldo, Alfani Rochsigit Nugroho Rochsigit Nugroho, Rochsigit Sidqi, Adityas Hafidz Siregar, Rolan Sonki Prasetya Sonki Prasetya Sri Mulyati Sudrajat, Danu Sulaksana Permana Sulaksana Permana Supriyatna, Yayat Iman Tatun Hayatun Nufus Tia Rahmiati Tjahyono, Seto Todaro, Muhammad Tsai , Chi-Yu Tsai, Chi-Yu Tumigolung, Stefanny Stevie Venny Nur Avifa Vika Rizkia Wahyu Kartika Widiyatmoko Widiyatmoko, Widiyatmoko Yarianto Sugeng Budi Susilo Yarianto Sugeng Budi Susilo, Yarianto Sugeng Budi Yayat Iman Supriyatna Yu, Ing-Song