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All Journal Dinamika Pendidikan Jurnal Pendidikan Ilmu Sosial Tech-E Martabe : Jurnal Pengabdian Kepada Masyarakat JURNAL PENDIDIKAN TAMBUSAI Jurnal al-Murabbi SAP (Susunan Artikel Pendidikan) Dedikasi: Jurnal Pengabdian Masyarakat Bada'a: Jurnal Ilmiah Pendidikan Dasar Al-Kharaj: Journal of Islamic Economic and Business Rayah Al Islam : Jurnal Ilmu Islam SIGMA TEKNIKA Bubungan Tinggi: Jurnal Pengabdian Masyarakat Jurnal Manajemen Bisnis Jurnal Psikologi Malahayati Tax Literacy and Leadership Agility: Indigenous Peoples Awareness in Paying Taxes Journal of Economics and Business UBS Mejuajua Journal of Informatics and Communication Technology (JICT) Jurnal Akuntansi AKUNESA Sejahtera: Jurnal Inspirasi Mengabdi Untuk Negeri JURNAL MUARA PENDIDIKAN Jurnal Desain dan Analisis Teknologi Jurnal Pendidikan dan Ilmu Sosial Jurnal Pendidikan Sultan Agung Journal of Pharmaceutical and Sciences. Indonesian Health Science Journal An Nafah: Jurnal Pengabdian Masyarakat Prosiding Seminar Nasional PPG Universitas Mulawarman RESLAJ: Religion Education Social Laa Roiba Journal Polynom: Journal in Mathematics Education Journal of Informatics and Communication Technology (JICT) Analisa: Jurnal Manajemen dan Akuntansi ILJ: Islamic Learning Journal Tirai Edukasi : Jurnal Pendidikan Jurnal Accounting Unipa
Arif Rahman Hakim
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Journal : SIGMA TEKNIKA

 1 
ANALISIS PENGARUH SUDUT KAMPUH DAN KUAT ARUS PENGELASAN TERHADAP KEKUATAN TARIK HASIL PENGELASAN SHIELDED ARC WELDING (SAW) Rahman Hakim, Arif; Hasibuan, Fardin
SIGMA TEKNIKA VOL 7, NO 1 (2024): SIGMATEKNIKA, VOL. 7, N0. 1, JUNI 2024
Publisher : Fakultas Teknik, Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/sigmateknika.v7i1.6161

Abstract

This research aims to study the effect of seam angle and welding current on the tensile strength, toughness, and hardness of the welding results. The material studied was low alloy steel containing levels of C = 0.098 %, Si = 0.228 %, Mn = 1.489 %, S = 0.007 %, P = 0.014 %, Ni = 0.151 %, Nb = 0.06, Cr = 0.085%, V=0.05%, W=0.05 %, Ti=0.01%. Welding is carried out with varying currents of 600A to 630A, using reverse polarity DC SAW welding, and alternating current AC with ESAB OK 12.32 electrodes with a diameter of 4.0 mm. DC current with reverse polarity, namely the electrode holder is connected to the positive pole and the parent metal is connected to the negative pole. The type of seam used is a single V seam with angles of 55o and 60o. Next, the specimens will be tested for tensile strength, toughness, hardness, and microphotography. The test results showed that the highest tensile strength of the welded joint occurred in the group of specimens welded with a current strength of 600A and a seam with an angle of 55o. The microstructure looks tighter compared to the microstructure of specimens welded with other variations of welding current. According to the results of this research, it can be concluded that with variations in the welding current, structural changes occur due to cooling, which affects the strength of the material, namely an increase in the raw materials
RANCANGAN PEMASANGAN POMPA AIR YANG MENGGUNAKAN TENAGA LISTRIK MATAHARI DI LAHAN PERTANIAN DESA HUTARIMBARU PANYABUNGAN TIMUR Hasibuan, Fardin; Rahman Hakim, Arif; Sena, Boni; Akramunnas, Bastul Wajhi; Widagdo, Trijaya
SIGMA TEKNIKA Vol 7, No 2 (2024): SIGMATEKNIKA, VOL. 7, N0. 2, NOVEMBER 2024
Publisher : Fakultas Teknik, Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/sigmateknika.v7i2.6339

Abstract

Padi merupakan kebutuhan pangan dasar di Indonesia. Desa Hutarimbaru yang berada di Kecamatan Panyabungan Timur Kabupaten Mandailing Natal Provinsi Sumatera Utara, merupakan daerah yang dimana sebagian besar masyarakatnya adalah petani padi. Keberhasilan penanaman padi sangat bergantung dengan suplai air pada areal persawahan tersebut, kontur daerah yang berbukit menjadi kendala dalam suplai air untuk persawahan tersbut. Jaringan listrik yang belum tersedia pada areal persawahan tersebut, mengakibatkan irigasi artificial sulit dilakukan, untuk itu diperlukan pembangkit listrik khusus pada areal persawahan tersebut, pembangkit listrik yang digunakan adalah Pembangkit Listrik Tenaga Surya (PLTS), dengan adanya PLTS ini maka pompa dapat dipasang untuk memompakan air dari sungai ke irigasi pada areal persawahan tersebut, dengan jarak sekitar 300 meter dan ketinggian areal persawahan 3 meter dari bibir air sungai normal. Head loss dengan diameter pipa 4 inchi sebesar 4.8 m. Luas cakupan daerah persawahan yang akan dialiri air seluas 3 ha dengan debit pompa 600 liter/detik, head 9 meter, power 3000 watt, AC satu phase. PLTS tersebut terpasang atas 16 modul solar cell dan biaya investasi yang dibutuhkan sebesar Rp 131.996.483,00.
Co-Authors Adani Putri, Shabrina Adi Wijono, Hani Adisty Nilasari, Risma Afriza Fernando, Lucky Ahmad Budiyono, Ahmad Akbar, Azis Akramunnas, Bastul Wajhi Ali Mustofa Amin, M. Syahruddin Anam, M Syaeful Ani Widayati Anita Anggraini Ara Hidayat, Ara Ardyansah, Agung Mifta Atmaja, Dewi Marini Umi Austin, Trecy Basri, Amat Bhimo Rizky Samudro Cahyani, Winda Candra Dewi, Listiyana Chintia Hestiriniah, Deby Deny Haryadi Dianasari, Dewi Dinda Oktarina, Dinda Donna Boedi Maritasari Dwi Safitri, Dwi Dwi Utami, Erwinda Dyah Ayu Heni Lestari, Febyana Edy Suryadi Amin Ega Nopiyanti Andriyansyah Eka Ary Wibawa Eni Kamal Eri Barlian Fadillah, Dini Fardin Hasibuan Fikri Fikri Fitri Ramdhani Harahap Hadiatul Rodiyah Haditsa Qur'ani Nurhakim Harsyta, Andini Heldi Heldi, Heldi Hendrik, Maulina Hidayatulloh, Arif Hopipatussolihah, Hopipatussolihah Imron Ali Mahmudi, Mukh. Indana, Nurul Indang Dewata Inne Miftah Dewi Iswahyudi, M. Jonathan Gunawan Khodiriyah, Putri Khoirudin Sovwan, Akhmad Kusuma Wardani, Sabila M Choirul Ibad M. Choirul Ibad Mahali, Jalal Makrina Tindangen Marina Ramdhani Ciptaningtyas Marini Umi Atmaja, Dewi Merinda Noorma Novida Siregar‬ Meuraksa, Irawati Meylani Putri Muh. Taufiq Muhamad Choirul Ibad Muhammad Habibi Muhammad Irfan Muhammad Yahya Muhdi Mukhlish Hidayat Muzakir Nindawi Novela Eka Candra Dewi Novelalahu, Mochi Nurhidayati Luthfiralda Nuri Nuri Nurlaeli Rachmawati Koerniawan, Rina Nurul Qomaria, Elysa Pangestu, Aldi Prasada, Dodi Pratama, Diki Pristiwantiyasih, Pristiwantiyasih Putrie Dimala, Cempaka Rahmat Darmawan Rimbawan Oprasto, Raditya Rizal Anshorudin Rizqi Ilyasa Aghni Rohili, Ilyas Rosifah, Djumroh Ruswandi, Irwan SAHABUDDIN SAHABUDDIN Sandi Perdani, Agung Saparina, Saparina Saputra, Armadi Sari Narulita Sarjiyanto Sena, Boni Seruni Setialana, Pradana Shamudra, Febby Shinta Dewi Lestari Tulus Sihombing, Citra Siregar, Linda Mora Siti Aminah Sofyan Sunu Widagdo, Cahyo Supendi, Pepen Sutinah Sutinah Syafii, Muhamad Syafutra, Randi Tanfidz Alishlah, Tanfidz tedi, tedi Umar, Iswandi Widagdo, Trijaya Windi Zamrudy Wisnu Usdek Riyanto, Dicky Wiwin Agus Salim Yakub Yolandaru Septiana, Yolandaru Zuldani, Irwan