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All Journal Transmisi Jurnal Mechanical KACANEGARA Jurnal Pengabdian pada Masyarakat JAST : Jurnal Aplikasi Sains dan Teknologi To Maega: Jurnal Pengabdian Masyarakat Jurnal Teknik Mesin Indonesia INTEGRITAS : Jurnal Pengabdian G-Tech : Jurnal Teknologi Terapan Jurnal Pengabdian Masyarakat Khatulistiwa Jurnal Graha Pengabdian JURNAL FLYWHEEL REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat Indonesian Community Journal Journal of Mechanical Engineering, Science, and Innovation Jurnal Penelitian Journal of Mechanical and Electrical Technology Nusantara of Engineering (NOE) SEMINAR NASIONAL PENELITIAN DAN PENGABDIAN KEPADA MASYARAKAT Prosiding Seminar Nasional Pengabdian Masyarakat Jurnal Pendidikan dan Pengabdian Masyarakat Journal Of Industrial Engineering & Technology Innovation Journal of Indonesian Society Empowerment RING Mechanical Engineering Jurnal Polimesin
Dewi Izzatus Tsamroh
Department Of Mechanical Engineering, Faculty Of Engineering, Universitas Merdeka Malang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Analisis Pengaruh Variasi Arus SMAW Dengan Media Pendingin Oli Terhadap Sifat Mekanik Baja ST-37 Alief Muhammad; Dewi Izzatus Tsamroh; Cepi Yazirin
TRANSMISI Vol 17, No 2 (2021): September 2021
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v17i2.7342

Abstract

Semua kegiatan Industri 4.0 pada manufaktur ini menimbulkan tantangan sekaligus peluang besar bagi teknologi pengelasan (welding) dan khususnya bagi pengembang peralatan pengelasan. Masalah kritis lainnya, yang sedikit diabaikan oleh banyak pendukung dan promotor Industri 4.0 adalah kenyataan bahwa jaringan sistem selalu membawa risiko keamanan. Oleh karena itu, konsep keamanan data dan komunikasi modern harus digunakan dalam memberikan perlindungan bagi jaringan fasilitas produksi. data-data tentang beberapa metode dan jenis pengelasan menjadi sangat penting dan kebutuhan utama untuk produksi di era industri 4.0. Data tidak harus spesifik, namun lebih bersifat eksploratif yang kemudian diolah menggunakan beberapa algoritma hingga mendapat hasil optimasi yang ideal dan terus berkembang. Karena bersifat eksploratif sehingga sejumlah data yang besar diperlukan. Jika dihubungkan dengan era Industri 4.0 saat ini, maka peran peneliti di dunia adalah menyediakan data hingga mengolah data menjadi solusi atau sistem yang baru pada proses manufaktur. Metode penelitian ini menggukanan eksperimental nyata dengan mengidentifikasi pengaruh kuat arus pengelasan SMAW menggunakan media pendingin oli terhadap uji tarik dan uji kerasnya. Jenis sambungan yang digunakan adalah Single V-Groove. Pengujian tarik penelitian ini menggunakan standar JIS Z 2201 1981. Pengujian kekerasan pada penelitian ini menggunakan metode Rockwell dengan bola baja (HRB). Hasil pengujian tarik menunjukkan, tegangan tertinggi secara keseluruhan terjadi pada sampel 140A. Tegangan maksimum tertinggi sebesar 74.92 kgf/mm2. Tegangan patahan tertinggi 60.60 kgf/mm2. Kemudian tegangan yielding tertinggi sebesar 56.93 kgf/mm2. Nilai keras tertinggi pada area las adalah 85 HRB terjadi pada sampel dengan arus 120A. Nilai keras tertinggi pada area HAZ terjadi pada sampel 100A dengan 62.67 HRB.
Analisis Sifat Mekanik dan Sifat Fisik Paduan Aluminium pada Perlakuan Penuaan Buatan Dewi Izzatus Tsamroh; Muhammad Ilman Nur Sasongko; Cepi Yazirin
TRANSMISI Vol 18, No 1 (2022): March 2022
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v18i1.8056

Abstract

The most widely used aluminum alloy in industry is Al2024 alloy. Aluminum alloys used for automotive components are required to have good strength. The purpose of this study was to analyze the distribution of precipitates, morphology and hardness of Al2024 alloy due to artificial aging in stages I, II, and III. The test results showed that the highest distribution of precipitates (CuAl2) was in Al2024 with the third-stage artificial aging variation, and the least distribution was in the I-stage artificial aging variation. The results of morphological observations on Al2024 due to multilevel artificial aging treatment using SEM, the microstructure of Al2024 was relatively the same. (homogeneous) at each level variation. The stratified artificial aging treatment on Al2024 causes the particle size at each level variation to be smaller with closer distances. Meanwhile, the hardness value of Al2024 increased. The highest hardness of Al2024 is in the specimen with the third stage of artificial aging treatment, which is 79.66 HRE, the lowest hardness is the first stage of artificial aging, which is 74.33 HRE. 
Effect of Cathode Distance, Anode and Electroplating Time on Aluminum Alloy Corrosion Rate Agus Dwi Putra; Dewi Izzatus Tsamroh; Yayi Febdia Pradani; Ratna Fajarwati Meditama; Ahmad Muflih
TRANSMISI Vol 19, No 1 (2023): March 2023
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v19i1.9572

Abstract

Aluminum foil is used more often than actual aluminum in everyday life because aluminum is actually quite unstable and is not suitable for securing heavy containing objects. For car wheels, aluminum is mixed with manganese and then hardened to withstand the load. Using aluminum alloys requires an electroplating process to increase corrosion resistance, decorative value and friction resistance. The purpose of this study was to determine the properties of anodized cathode aluminum alloy and the required coating time. In this study, a quantitative experiment used 20 samples. The results showed that there were defects in the aluminum alloy lattice, but not too significant. Different corrosion rate values were shown using electrolysis periods of 30 minutes and 60 minutes combined with anode-cathode distances of 5 cm, 10 cm and 15 cm. The group with 30 minutes of coating time and 5 cm anode-cathode distance had the highest corrosion rate (0.853 mm/year), while the group with 30 minutes of coating time and 10 cm anode-cathode distance had the lowest corrosion rate (0.610). The group with 60 minutes of coating time and 10 cm distance between the anode and cathode had the highest corrosion rate of 1,564 mm/year, while the group with 60 minutes of coating time and 15 cm distance had the lowest corrosion rate. The anode-cathode distance partially affects the corrosion rate of aluminum alloy electroplating. The smaller the distance between the anode and cathode, the higher the corrosion rate of the aluminum alloy. The longer the coating lasts, the higher the corrosive rate of the Al alloy.
Analysis of Energy Absorption of Soft Body Armor with Experimental Method and Finite Element Method Using STF (Shear Thickening Fluid) Composite Material Agus Dwi Putra; Dewi Izzatus Tsamroh; Bella Cornelia Tjiptady
TRANSMISI Vol 19, No 2 (2023): September 2023
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v19i2.10248

Abstract

Body armor is personal protective equipment or shield clothing for soldiers that has existed since Roman times until now. The function of body armor is to protect the body from attacks by foreign objects by absorbing energy. Body armor must have ballistic resistance and stabbing resistance, however, body armor that is often found usually has a high anti-ballistic level but is low in receiving stabbing attacks. STF (Shear Thickening Fluid) is a composite material which is unique in that the viscosity level can change in a way that causes the liquid dispersion to become solid and allows for increased stabbing resistance. This research began by making Kevlar samples which were then mixed with STF and then subjected to tensile testing to obtain material properties that were useful for simulating with FEM. The simulation is intended to analyze the rate of energy absorption that occurs in the sample. The results show that the kinetic energy absorption rate of the bullet is absorbed at a viscosity of 87%. The small energy that occurs is also absorbed in the form of frictional resistance with a value of 11.9%. The identified comparison results show that in cases 1-3 the percentage of viscosity is high so it is viscous, whereas in case 4 the direct reflection of the viscosity is low so it is close to liquid.
Optimization of Iron Oxide (Fe2O3) Addition Parameters on the Physical Properties of Al-Si Alloys as an Advanced Material Innovation Yazirin, Cepi; Marlina, Ena; Tsamroh, Dewi Izzatus
TRANSMISI Vol. 20 No. 2 (2024): September (2024)
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v20i2.13908

Abstract

Aluminum-silicon alloys are widely used in the industrial world, one of which is because they have high wear resistance. The aim of this research is to determine the physical and mechanical properties of the Al-Si alloy after strengthening by mixing reinforcing materials. The research method uses Taguchi optimization and analysis of the physical properties of the Al-Si alloy test results. The results showed that the highest hardness value was obtained in the 7th experiment, namely with a rotation variation of 2000 rpm, temperature of 6000C, and holding time of 60 seconds. This result is in line with the results of the tensile strength test, where the highest tensile strength was also obtained in the 7th experiment. This result is supported by the results of other researchers, which show that the higher the rotation in the casting results in higher hardness. The results of the microphotographs show that all alloy materials have an even distribution of grains, the grain size appears small, and the dendrites in the raw Al-Si alloy appear small compared to other materials. The macro photo results show that all alloy materials have fractures that appear brittle, as evidenced by the fact that these fractures provide light reflection.
Investigasi Cacat Makro pada Pengecoran Al Si Variasi Holding Time Peleburan Dika, Johan Wayan; Suwito, Abi; Pratiwi, Y. R.; Tsamroh, Dewi Izzatus
TRANSMISI Vol 17, No 1 (2021): March 2021
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v17i1.5201

Abstract

Tujuan dari penelitian ini adalah mengetahui bentuk cacat makro akibat holding time pada peleburan coran Al-Si. Metode penelitian yang digunakan dalam penelitian ini adalah rancangan penelitian eksperimental dengan jenis pendekatan kuantitatif. Teknik analisis data yang digunakan dalam penelitian ini adalah analisis deskriptif yang dilakukan dengan cara merangkum hasil penelitian berdasarkan pengamatan yang telah dilakukan. Pengamatan cacat makro diamati dengan foto makro. Secara umum cacat makro yang terjadi adalah lubang jarum, pelekat, rontok cetakan, salah alir dan sumbat dingin. Secara khusus, terjadi cacat porositas pada spesimen dengan variasi holding time peleburan 15, 25, dan 35 menit pada pengecoran logam Al-Si secara berurutan adalah 4,22 %, 3,07%, dan 3,08%.
Co-Authors Abdullah, Mohd Firdaus Abdurrabi Abdurrabi Abi Suwito Agus Dwi Putra Agus Dwi Putra Agus Suprapto Ahmad Muflih Ahmad Saepuddin Aji, Bagas Dwi Purnama Alief Muhammad Andrian Dwi Kristianto Andrianto, Sis Nanda Kus Andrijono, Djoko Ani, Adi Izhar Che ANISA ZUHRIA SUGEHA Anitasari, Silvi Ardiansyah, Mochammad Fachrizal Arif Budiono Asrizal Azhar, Moh. Na'im Bagus Shandy Narmaditya Bella Cornelia Tjiptady Bella Cornelia Tjiptady Bimantara, Muhammad Yoka Brilliandy, Hikmal Akbar C., Muhammad Ilham Abednego Elsa Danang Yugo Pratomo Dandya, Habli Abid David Ross Dewi Puspitasari Diama Rizky Septiawan Didin Zakariya Lubis Dika, Johan Wayan Dimas Hani Saputra Djahilepang, Raywantus Baur Edi Subiyantoro Elsa C., Muhammad Ilham Abednego Ena Marlina Evi Rinata Fadillah, Rahmat Fahil Firdiansyah, Mokhamad Rizki Fitriani, Indah Martha Herawati, Andini Sofia Hikmal Akbar Brilliandy Ike Widyastuti Irwandi, Jul Viansyah Dwiki Jago, Thomas Apriliano Jibril Maulana Jumiadi Jumiadi, Jumiadi Mohammad Ainul Yaqin, Mohammad Ainul Muchammad Riza Fauzy Muhammad Arif Nur Huda Muhammad Ilham Abednego Elsa C. Muhammad Ilman Nur Sasongko Mutadafiq, Fiqih Syahdani Nika Devi Permata Wijaya Permatasari, Meirna Puspita Prakoso, Bagas Eka Prasanta, Ida Bagus Sradha Dana Prasetiyo, Ardianto Pratiwi, Y. R. Pungky Eka Setyawan Pungky Eka Setyawan Putra, Agus Dwi Putri, Widyarini Susilo Qur’aini, Dinda Faranita Rahmat Fahil Fadillah Ratna Fajarwati Meditama Riana Nurmalasari Riyanto, Obaja Eden Sentosa Rusdijanto Rusdijanto Rusdijanto, Rusdijanto Saifuddin Karim Santi, Fitriana Saputra, Catur Surya Saputra, Mohammad Iqbal Juan Seftiansyah, Albi Abimanyu Sekiwa Shiddiqy, Taqiyyudin Ahmad As Sis Nanda Kus Andrianto Siskuhita, Dhoris Agritia Sudjatmiko Sudjatmiko, Sudjatmiko Sudjatmiko, Sudjatmiko Sunariati, Okta Rezki Syafana, Mohammad Arju Wea, Efrida Widyarini Susilo Putri Widyarini Susilo Putri Yayi Febdia Pradani Yazirin, Cepi