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All Journal JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Panrita Abdi - Jurnal Pengabdian pada Masyarakat Journal of Welding Technology Jurnal Teknologi Jurnal Polimesin Jurnal Mesin Sains Terapan

Nurdin Nurdin

Politeknik Negeri Lhokseumawe

Author-ID : 3093893

Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Analisa pengaruh putaran spindel pada friction welding terhadap tensile strength Alumunium A6061 Teuku Haikal Derniawan; Nurdin Nurdin; Fakhriza Fakhriza
Journal of Welding Technology Vol 3, No 1 (2021): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jowt.v3i1.2034

The welding process using the friction welding method uses friction energy which turns into heat to join two metals. The welding process that occurs on the touch surface of the two metals results in a larger welding area compared to other welding methods where the welding area is only at the contact edge of the metal being joined. With the welding area that is on the entire surface of the joined plane, it allows this type of friction welding joint to accept a greater torsional load, so that in its application friction welding is very suitable for use in the process of joining shafts and metal materials that have circular profiles. The purpose of this study was to determine the effect of spindle rotation on friction welding on the mechanical properties of welding joints on Aluminum 6061 material. Its mechanical properties include a tensile strength test, with variations in spindle rotation on a lathe using 6061 aluminum material. Based on the results of the tensile test at 1500 rpm where the maximum stress on the A1 sempel is 8.88 Kgf/mm2, A2 sempel 8.83 Kgf/mm2 and sempel A3 10,83 Kgf/mm2. And at 2500 rpm where the tensile strength of the B1 sample is 10.73 Kgf/mm2, the B2 sempel is 11.26 Kgf/mm2 and the B3 sempel is 8.20 Kgf/mm2. From the results of the tensile test, it was obtained that the strength of the 6061 Aluminium joint by the friction welding method was the highest yield strength of 5.8 kg/mm2 and a maximum tensile strength of 11.26 kg/mm2, and the raw material tensile strength was 12.6 kgf/mm2, the tensile strength of raw material and material after friction welding differs only slightly

Analisa kekuatan sambungan material AISI 1050 dengan ASTM A36 dengan variasi arus pada proses pengelasan SMAW Aditia Aditia; Nurdin Nurdin; Adi Saputra Ismy
Journal of Welding Technology Vol 1, No 1 (2019): June
Publisher : Politeknik Negeri Lhokseumawe

Metal joining is a process carried out to connect 2 or more metal parts of a similar or dissimilar metal. Connection strength is the goal of the process of connecting metals or materials. SMAW welding is a process of connecting metals or materials using heat energy. The purpose of this study was to determine the effect of welding currents on the tensile strength of AISI 1050 and ASTM A36 material links. In this study, test data show that in the welding process using 120A current the tensile strength value is 51.27 kgf / mm2, followed by welding using a current of 140A with 49.31 kgf / mm2, and welding using a current 160A 48.25 kgf / mm2. In tensile testing of welding current variations with currents 120A, 140A, and 160A, all fractures approach the welded joint. From the test data it can be concluded that the current affects the tensile strength of the material which the process is affected by arc voltage, current magnitude, welding speed, magnitude of penetration and electric polarity. Determination of the amount of current in connecting metals using arc welding affects the efficiency of the welding results.Keywords: SMAW Welding, Tensile Testing, AISI 1050 Steel and ASTM A36 AbstrakPenyambungan logam adalah suatu proses yang dilakukan untuk menyambung 2 bagian logam atau lebih baik logam yang sejenis maupun tidak sejenis. Kekuatan sambungan merupakan tujuan dari proses penyambungan logam atau material. Pengelasan SMAW merupakan suatu proses penyambungan logam atau material dengan menggunakan energi panas. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh arus pengelasan terhadap kekuatan tarik pada sambunagn material AISI 1050 dan ASTM A36. Pada penelitian ini, Data pengujian menunjukkan bahwa pada proses pengelasan menggunakan arus 120A nilai kekuatan tarik adalah sebesar 51,27 kgf/mm2, di ikuti oleh pengelasan menggunakan arus 140A dengan 49,31 kgf/mm2, dan pengelasan menggunakan arus 160A 48,25 kgf/mm2. Dalam pengujian tarik variasi arus pengelasan dengan arus 120A, 140A, dan 160A, semua patah mendekati sambungan las. Dari data uji tersebut dapat disimpulkan bahwa arus berpengaruh terhadap kekuatan tarik material yang proses tersebut dipengaruhi oleh tegangan busur, besar arus, kecepatan pengelasan, besarnya penembusan dan polaritas listrik.Penentuan besarnya arus dalam penyambungan logam menggunakan las busur mempengaruhi efisiensi dari hasil pengelasan.Kata kunci: Pengelasan SMAW, Pengujian tarik, Baja AISI 1050 dan ASTM A36

Pengaruh jenis kampuh terhadap ketangguhan sambungan pengelasan material St37 dengan AISI 1050 menggunakan proses SMAW Muhammad Siddiq; Nurdin Nurdin; Ismi Amalia
Journal of Welding Technology Vol 1, No 1 (2019): June
Publisher : Politeknik Negeri Lhokseumawe

The strength of the material joints is one of the expected goals of the material joints process using the welding process. This study aims to determine the effect of welding groove on the toughness of the welded joints in the SMAW welding process by using E7016 electrodes. This research uses St37 and AISI 1050 steel materials, St37 including low carbon steel and Aisi 1050 including medium carbon steel. The material is given a welding treatment with a variation of single V groove, single tire, and double tire using reverse DC polarity SMAW welding, the welding position used is horizontal or underhanded and the current used is 100 Amperes. The welding specimens were tested by the charpy method to determine the value of the material joints toughness. The Charpy Method Impact test results show that specimens of single V groove, single tapered, and Double tapered have varying absorbed energy values. Single V groove has the highest absorbed energy value with an average value of 256 Joules and 3.21 Joules / mm2, compared to single tapered and double tapered groove. The type of fracture obtained is also different, for specimen V groove and a single tapered duct fracture while double tapered groove occurs brittle fracture.Keywords: Groove, SMAW, Toughness, E7016, St37 steel and AISI 1050AbstrakKekuatan sambungan material merupakan salah satu tujuan yang diharapkan dari proses penyambungan material menggunakan proses pengelasan. Penelitian ini bertujuan untuk mengetahui pengaruh kampuh pengelasan terhadap ketangguhan sambungan las pada proses las SMAW dengan menggunakan elektroda E7016. Penelitian ini menggunakan material baja St37 dan AISI 1050, St37 termasuk baja karbon rendah dan Aisi 1050 termasuk baja karbon sedang. Bahan diberi perlakuan pengelasan dengan variasi kampuh V tunggal, Tirus tunggal, dan Tirus ganda dengan menggunakan las SMAW DC polaritas terbalik, posisi pengelasan yang digunakan adalah mendatar atau bawah tangan dan arus yang digunakan adalah 100 Ampere. Spesimen pengelasan dilakukan pengujian impak metode charpy untuk mengetahui nilai ketangguhan sambungan material. Hasil pengujian Impak Metode charpy menunjukkan bahwa spesimen kampuh V tunggal, tirus tunggal, dan tirus Ganda memiliki nilai energi yang diserap bervariasi. Kampuh V tunggal mempunyai nilai energi yang diserap tertinggi dengan nilai rata-ratanya sebesar 256 Joule dan 3,21 Joule/mm2, dibandingkan dengan kampuh tirus tunggal dan tirus ganda. Jenis perpatahan yang didapat juga berbeda, untuk spesimen kampuh V dan tirus tunggal terjadi patah ulet sedangkan kampuh tirus ganda terjadi patah getas.Kata kunci : Kampuh, SMAW, Ketangguhan, E7016, baja St37 dan AISI 1050

Effect of SMAW welding current variations on mechanical properties in ASTM A240 grade 304L Nurdin Nurdin; Al Fathier Al Fathier; Rizki Maulana; Fakhriza Fakhriza
Journal of Welding Technology Vol 7, No 2 (2025): December
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jowt.v7i2.2509

Welding current is one of the important parameters in the welding process, because inappropriate currents will result in welding defects in the welded material resulting in reduced weld joints. This study aims to determine the effect of current variations on SMAW welding joints ASTM A240 Grade 304L material on mechanical properties. This study uses ASTM A240 Grade 304L material with variations in welding currents of 80 A, 100 A, and 120 A using SMAW welding and using E308-16 electrodes with a diameter of 3.2 mm. Specimens were tested for chemical composition, visual test, penetrant test, and tensile test. Comparative data of tensile test explained that the highest tensile stress from variations in welding currents of 80 A, 100A, and 120 A was 625.27 MPa using a welding current of 100 A, the highest yield stress is 337.35 MPa, using a welding current of 100 A, and the highest elongation is 38.34% using a welding current of 100 A. From the data from the tensile test results for ASTM A240 Grade 304L material, the results obtained that the material data without welding treatment has the lowest tensile strength compared to with a group of variations in welding current. And the highest tensile strength value is in the 100 A current variation group.

Co-Authors Adi Saputra Ismy Aditia Aditia Al Fathier Al Fathier Amalia, Ismi Andreas Andreas Azhar Azhar Dwi Saifullah Elfiana Elfiana, Elfiana Fakhriza Fakhriza Fakhriza Fakhriza Fakhriza Fakhriza Fakhrizal Fakhrizal Hendrawati Hendrawati Ichsan Maulana Indra Mawardi Irwin Syahri Cebro Ismi Amalia Joiyel Affandy Muhammad Siddiq Nahar Nahar Rahmad Yulio Rizki Maulana Teuku Haikal Derniawan Yuniati Yuniati Yuniati, Yuniati Zulkarnaini

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