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All Journal FLYWHEEL : Jurnal Teknik Mesin Untirta Teknika: Jurnal Sains dan Teknologi Jurnal Furnace VANOS Journal of Mechanical Engineering Education Jurnal Pendidikan Teknik Mesin JURNAL PENDIDIKAN TAMBUSAI Journal of Materials Exploration and Findings Journal of Community Service in Science and Engineering JFAS : Journal of Finance and Accounting Studies Trends in Mechanical Engineering Research
Indah Uswatun Hasanah
Universitas Sultan Ageng Tirtayasa
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Pengaruh waktu solution treatment dan artificial aging aluminium matrix composite ADC12 terhadap sifat mekanik Indah Uswatun Hasanah; Suryana Suryana; Dinda Aulia Hapsari
Jurnal Teknika Vol 16, No 2 (2020): Edisi November 2020
Publisher : Faculty of Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/tjst.v16i2.9191

Abstract

Penelitian ini bertujuan untuk mengembangkan sifat mekanik dari ADC12 untuk komponen automotif dan metode yang digunakan adalah pembuatan aluminium matrix composite (AMC) dengan matriks aluminum menggunakan stir casting. Kemudian AMC diberi perlakuan panas artificial aging dengan metode T6. Variasi yang dilakukan pada penelitian ini adalah waktu solutioning, yaitu selama 2, 4 dan 6 jam pada temperatur yang sama serta waktu aging yaitu selama 6, 8 dan 10 jam dengan temperatur yang sama. Semakin keras material maka akan semakin tinggi kuat tariknya, hal ini berkaitan dengan ukuran butir serta persentase fasa yang dihasilkan dari perlakuan panas. Hasil tertinggi yang diperoleh pada waktu solution treatment selama 2 jam dan waktu artificial aging selama 10 jam yakni dengan kekerasan mencapai 77 HRB serta kuat tarik 247 N/mm. This study aims to develop the mechanical properties of ADC12 for automotive components. The method used is the manufacture of aluminum matrix composite (AMC) with an aluminum matrix using stir casting. Then AMC was given artificial aging heat treatment with the T6 method. This research's variations were solutioning time, i.e. for 2, 4, and 6 hours at the same temperature, and aging time, i.e. for 6, 8, and 10 hours with the same temperature. The harder the material, the higher the tensile strength. This is related to the grain size and the percentage of phase resulting from the heat treatment. The highest results were obtained when the solution treatment was for 2 hours and the time for artificial aging was 10 hours, with hardness reaching 77 HRB and tensile strength of 247 N/mm.
The design of feet-based door opener to prevent the spread of coronavirus disease (Covid-19) through doorknob Rahman Faiz Suwandana; Indah Uswatun Hasanah
Jurnal Teknika Vol 17, No 1 (2021): Available Online in June 2021
Publisher : Faculty of Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/tjst.v17i1.9629

Abstract

Judul: Sistem pembuka pintu menggunakan kaki berbasis 3D printing sebagai upaya pencegahan penyebaran coronavirus disease 2019 (covid-19)Title: The design of a feet-based door opener to prevent the spread of coronavirus disease (Covid-19) through a doorknobDunia sedang berjuang untuk menanggulangi bencana pandemi yang sedang terjadi. Faktor utama yang menyebabkan wabah ini begitu merepotkan adalah penyebarannya yang sangat cepat. Selain melalui droplet saat batuk maupun bersin, virus dapat menyebar melalui kontak perorangan yang terjadi secara tidak langsung pada permukaan benda yang sering disentuh. Salah satu benda tersebut, yang juga banyak terdapat di fasilitas umum, adalah gagang pintu. Untuk mengurangi intesitas sentuhan pada gagang pintu, sebuah sistem pembuka pintu menggunakan kaki sangat diperlukan karena tidak merusak fasilitas yang sudah ada. Penggunaan 3D printing atau additive manufacturing telah meningkat selama pandemi karena kemampuannya untuk membuat beberapa alat pelindung diri dengan cepat, murah, dan sederhana. percetakan 3D adalah sebuah proses mencetak benda padat atau 3 dimensi dari desain yang sudah tersedia dalam format digital. Penelitian ini dilakukan dengan memanfaatkan 3D printer dan sistem mekanis sederhana. Pembuka pintu tanpa menggunakan tangan dibuat untuk tipe pegangan tuas. Dengan bobot 15 kg seperti bobot injakan kaki biasa, desain yang telah dibuat mampu menggerakkan gagang dan membuka pintu. Penggunaan pembuka pintu ini dalam skala yang lebih luas, diharapkan dapat berkontribusi dalam menekan penyebaran wabah COVID-19.The world is struggling to cope with the ongoing pandemic disaster. The main factor that made this outbreak so troublesome was that it spread very quickly. In addition to droplets when coughing or sneezing, the virus can spread through personal contact indirectly on frequently touched surfaces. One of these objects, which is also widely available in public facilities, is the doorknob. To reduce the intensity of the touch on the doorknob, a door opening system using the foot is very necessary because it does not damage the existing facilities. The use of 3D printing or additive manufacturing has increased during the pandemic because of its ability to make several personal protective types of equipment quickly, inexpensively, and simply. 3D printing is printing solid or 3-dimensional objects from designs that are already available in digital format. This research was conducted using a 3D printer and a simple mechanical system. Handless door openers are made for the lever handle type. With a weight of 15 kg, like the weight of a regular footstep, the design can move the handle and open the door. The use of this door opener on a broader scale is expected to suppress the spread of the COVID-19 outbreak.
RANCANG BANGUN CHASIS PIN HOLDER PADA TRIBOMETER PIN ON DISC BERBASIS MODIFIKASI PADA MESIN BUBUT KONVENSIONAL Daris Miftah Dzaky; Abdul Aziz; Imam Saefulloh; Sidik Susilo; Indah Uswatun Hasanah
JURNAL PENDIDIKAN TEKNIK MESIN Vol 8, No 2 (2021): JURNAL PENDIDIKAN TEKNIK MESIN
Publisher : UNIVERSITAS SRIWIJAYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jptm.v8i2.15642

Abstract

Tribometer is an instrument that measures the amount of tribological, coefficient of friction, frictional strength, volume of wear and lubrication between two contact surfaces in tribology studies. Tribotester Pin On Disc is a friction and wear test tool consisting of a pin and a disc. Pins have various shapes and sizes, generally spherical or cylindrical in shape, while discs with a certain thickness are in the form of diameter plates. Utilization of conventional lathes to be used as pin on disc tribometers requires modification and adding other components. This study uses the Library Research method to collect data. Designing a pin on disc tribometer based on a conventional lathe is done by designing a tool and then making a pin holder frame that utilizes part of a conventional lathe, namely the sled rail. This study also tested the pin material and disk material as test materials to determine the wear of the material tested using a conventional lathe-based Pin On Disc by obtaining the data results obtained from the pin on disk testing of aluminum material without lubrication. The largest wear factor value is at a distance of 1.2528 km. that is equal to 0.0127 mm3/NmKeywords: tribology, tribometer, pin on disc
RANCANG BANGUN PEMEGANG CAKRAM PADA TRIBOMETER PIN ON DISK BERBASIS MODIFIKASI PADA MESIN BUBUT KONVENSIONAL Abdul Aziz; Imam Saefuloh; Sidik Susilo; Indah Uswatun Hasanah; Daris Miftah Dzaky
JURNAL PENDIDIKAN TEKNIK MESIN Vol 8, No 2 (2021): JURNAL PENDIDIKAN TEKNIK MESIN
Publisher : UNIVERSITAS SRIWIJAYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jptm.v8i2.15489

Abstract

Keausan (wear) adalah hilangnya materi dari permukaan benda padat sebagai akibat dari gerakan mekanik antara permukaan suatu material tersebut dan permukaan lainnya. Tribometer atau Pin-On-Disk merupakan alat dari tribotester yang di gunakan untuk mengetahui gesekan dan keausan suatu bahan material yang saling bersentuhan. Dikarenakan alat Pin on disk membutuhkan biaya yang cukup mahal dan belum adanya uji keausan dengan memodifikasi mesin bubut. Maka dari itu penelitian ini bertujuan merancang pemegang cakram atau disk dengan memodifikasi mesin bubut konvensional sebagai alat pengganti Pin on Disk. Hasil pengujian ini diperoleh diameter poros yang cukup aman digunakan untuk pemegang cakram adalah 40 mm dan hasil pengujian keausan diperoleh nilai faktor keausan terbesar pada stainless steel 316 dengan beban 2 kg tanpa pelumas yaitu 0,000098 (mm³/N.m). Sedangkan untuk beban 3 kg diperoleh nilai faktor keausan terbesar terjadi pada pengujian tanpa pelumas sebesar  yaitu 0,0003215 (mm³/N.m). Dan untuk nilai faktor keausan terkecil terjadi pada pembebanan 2 kg dengan pelumas SAE 40 adalah 0,0001006 (mm³/N.m)
Introducing the manufacture of composites made from natural fillers as craft products for housewives Tri Partuti; Bening Nurul Hidayah Kambuna; Yanyan Dwiyanti; Indah Uswatun Hasanah; Abdul Aziz
Journal of Community Service in Science and Engineering (JoCSE) Vol 2, No 2 (2023): Available Online in October 2023
Publisher : Faculty of Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jocse.v2i2.21438

Abstract

Kegiatan pengabdian pada masyarakat dalam upaya pengenalan manufaktur komposit berpengisi bahan alam sebagai produk kerajinan ibu rumah tangga di Perumahan Metro Cendana, RT 01 dan 02, Kelurahan Kebondalem, Kecamatan Purwakarta, Banten telah dilakukan. Produk yang dibuat adalah gantungan kunci terbuat dari resin epoksi sebagai matriks dan daun/bunga/ranting kering sebagai filler/pengisi sebagai salah satu cara untuk mengurangi limbah alam. Rasio resin epoksi dengan katalis adalah 2:1. Penggunaan daun/bunga yang baru dipetik mengakibatkan warna daun/bunga akan menjadi pudar. Kegiatan pengabdian ini bertujuan untuk mengenalkan material komposit melalui demonstrasi pembuatan gantungan kunci berbahan komposit dan mengisi kuesioner untuk evaluasi terhadap kegiatan yang sudah dilakukan. Usia responden bervariasi dari 20 – diatas 60 tahun. Responden sebanyak 100% menyatakan bahwa kegiatan ini sangat menginspirasi dan bermanfaat serta terdapat 23% responden berminat menjadikan kerajinan gantungan kunci ini sebagai salah satu usaha bisnis karena belum adanya modal untuk memulai usaha ini secara mandiri. Community service activities to introduce composite manufacturing filled with natural materials as craft products for homemakers in Metro Cendana Housing, RT 01 and 02, Kebondalem Village, Purwakarta District, Banten, have been carried out. The product is a key chain made from epoxy resin as a matrix and dried leaves/flowers/twigs as a filler to reduce natural waste. The ratio of epoxy resin to catalyst is 2:1. Using freshly picked leaves/flowers will result in the color of the leaves/flowers fading. This service activity aims to introduce composite materials through a demonstration of making key chains from composite materials and filling out a questionnaire to evaluate the actions that have been carried out. Respondents' ages varied from 20 – over 60 years. 100% of respondents stated that this activity was very inspiring and helpful, and 23% were interested in making this key chain craft a business venture because there was no capital to start this business independently.
The Effect of Cryogenic Treatment Temperature on the Mechanical Properties and Microstructure of 440C Martensitic Stainless Steel Indah Uswatun Hasanah; A. Ali Alhamidi; Rachmat Suryana
VANOS Journal of Mechanical Engineering Education Vol 8, No 2 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v8i2.21717

Abstract

The use of stainless steel worldwide is increasing due to its favorable mechanical properties, such as high hardness, corrosion resistance, and wear. One of the martensitic stainless steels is SS 440C. One of the main effects of increasing the significant carbon content is lowering the final martensitic temperature (MF) of the steel. If this temperature is below room temperature, the quenching process leaves austenite in the microstructure. This is commonly known as retained austenite (RA). In general, minimizing the number of RAs is recommended, as they can cause excessive wear. Therefore, the aim this research is for reduce the retained austenite content in SS 440C steel with a cryogenic treatment process. The cryogenic treatment was carried out for 50 minutes at temperatures of -80, -110, and -140°C and compared with non-cryogenic treatment to determine the residual austenite, hardness, and wear resistance. The highest hardness and wear resistance values were obtained from cryogenic treatment at -140°C at 58 HRC and 2.2 x 10-3 mm3/m. The metallographic results produce a martensite microstructure, residual austenite, and carbide phases. XRD analysis on cryogenic treatment samples at -140°C yielded structures of iron bcc, iron fcc, M7C3, and M23C6 compounds.
Welding training to enhance welding skills for youth in Cilegon City Yeni Muriani Zulaida; Suryana Suryana; Agus Pramono; Andinnie Juniarsih; Indah Uswatun Hasanah
Journal of Community Service in Science and Engineering (JoCSE) Vol 3, No 1 (2024): Available Online in April 2024
Publisher : Faculty of Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jocse.v3i1.24356

Abstract

Cilegon is one of the cities in Banten. The large number of factories in Cilegon City makes this city known as an industrial city. Several industrial activities, ranging from primary to supporting activities, require a lot of labor. The need for labor in Cilegon, especially in the manufacturing sector, is increasing. To increase the competitiveness of local communities in obtaining more excellent employment opportunities, young people of productive age, especially, need to be equipped with skills that support industrial activities. One of these skills is metal welding. To introduce this skill, a welding training program was conducted for young people in Cilegon City. The methods used include lectures, demonstrations, and welding practice. The material provided during the training consists of an introduction to welding equipment, essential steps in the welding process, K3 in the welding industry, and home industry planning in the field of metal welding. This training successfully attracted several young people from Grogol and Purwakarta sub-districts. After this training, they can improve their skills, expand job opportunities, and even become self-employed in welding. Cilegon adalah salah satu kota di Banten. Banyaknya pabrik-pabrik di Kota Cilegon membuat kota ini disebut sebagai kota industri. Beberapa kegiatan industri mulai dari kegiatan utama hingga kegiatan pendukung membutuhkan banyak tenaga kerja. Kebutuhan tenaga kerja di kota Cilegon terutama di bidang manufaktur meningkat. Untuk meningkatkan daya saing masyarakat lokal dalam mendapatkan peluang kerja yang lebih besar, khusus para pemuda usia produktif, perlu dibekali keahlian yang menunjang kegiatan industri tersebut. Salah satu keahlian tersebut adalah pengelasan logam. Dalam rangka mengenalkan keahlian ini maka dilaksanakan kegiatan program pelatihan pengelasan bagi para pemuda di Kota Cilegon. Metode yang digunakan meliputi ceramah, demonstrasi dan praktek pengelasan. Materi yang diberikan selama pelatihan meliputi pengenalan peralatan pengelasan, langkah-langkah dasar proses pengelasan, K3 pada industri pengelasan dan perencanaan industri rumahan di bidang pengelasan logam. Pelatihan ini berhasil menjaring beberapa pemuda dari kecamatan Grogol dan Purwakarta, Diharapkan setelah pelatihan ini dapat meningkatkan keahlian, memperluas peluang kerja bahkan dapat berwiraswasta di bidang pengelasan.
The Effect of Current Density and Hard Chrome Coating Duration on the Mechanical and Tribological Properties of AISI D2 Steel Hasanah, Indah Uswatun; Priadi, Dedi; Dhaneswara, Donanta
Journal of Materials Exploration and Findings Vol. 2, No. 2
Publisher : UI Scholars Hub

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

Abstract

The effect of hard chromium coating on AISI D2's mechanical properties and wear resistance has been investigated using the electrolysis technique with varying current and coating duration. The variations of current used are 0.8 A, 1.2 A, and 1.6 A, while the coating duration used are 300, 600 and 900 seconds. Characterization of the films was conducted using SEM-EDS, and XRD. It can be observed from SEM characterization that the chrome grains resulted from the electroplating process are fine. The XRD identify chrome compund on the surface coating. The highest hardness value was 520.6 HV on a sample with a current of 1.6 A and a coating duration of 900 seconds and the lowest wear value was 2.85x10-6 mm3/mm on a sample with a current of 1.6 A and a coating duration of 900 seconds.
Pengaruh Perlakuan Panas Quench Temper dan Aniling Ganda Terhadap Sifat Mekanik Dan Struktur Mikro Baja Tahan Karat Ultra Tipis Pada Aplikasi Elektronik dan Biomedis Aziz, Abdul; Partuti, Tri; Hasanah, Indah Uswatun; Alhamidi, Ahmad Ali; Suryana, Suryana; Maulana, Alief
Jurnal Furnace Vol 7, No 1 (2024)
Publisher : Program Studi Teknik Metalurgi, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/furnace.v1i1.27538

Abstract

Sifat mekanik dan perubahan struktur mikro terjadi pada baja tahan karat (BTK) ultra tipis jenis SUS 316 di pelajari setelah diberi perlakuan panas quench temper 900oC, aniling ganda pada suhu 400oC pada BTK ultra tipis dan ditahan selama 1, 2 dan 3 jam. Percobaan dilaksanakan pada BTK butir halus dan berbutir kasar. Dari hasil pengamatan dengan mikroskop elektron SEM -EBSD, tidak terjadi transformasi fasa martensit pada struktur mikronya. Perubahan struktur mikro terjadi dalam bentuk perubahan sebaran grain misorientation (GMO) pada baja SUS 316 ultra tipis. Nilai kekerasan pun mengalami peningkatan dengan peningkatan waktu tahan dan ini pastinya berhubungan erat dengan surfaceroughening pada baja ultra tipis tersebut dan mampu bentuk pada baja ultra tipis. Selain itu ditemukan bahwa nilai surface roughening menurun seiring dengan meningkatnya waktu tahan pada baja ultra tipis.
Design of an automatic hand washing device for elementary school students in Serang for enhanced Covid-19 prevention Hasanah, Indah Uswatun; Partuti, Tri; Dwiyanti, Yanyan; Kambuna, Bening Hidayah
Journal of Community Service in Science and Engineering (JoCSE) Vol 3, No 2 (2024): Available Online in October 2024
Publisher : Faculty of Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/jocse.v3i2.28730

Abstract

This community service activity aims to educate elementary school students in Serang City, especially at SDN Kewunen, about hand hygiene's importance in preventing COVID-19. The training involved making a simple automatic soap dispenser from used items such as plastic bottles and injections. With a participatory method, students were directly involved, assisted by visual guides in the form of leaflets, posters, and banners. As a result, most students succeeded in making the tools independently at home with the support of their parents and understood the importance of hand hygiene. Monitoring through surveys and teacher testimonials showed a positive response. This program improves students' skills in maintaining cleanliness and fosters environmental awareness through using used goods. Kegiatan pengabdian ini bertujuan mengedukasi siswa SD di Kota Serang, khususnya di SDN Kewunen, tentang pentingnya kebersihan tangan sebagai pencegahan COVID-19. Pelatihan melibatkan pembuatan tempat sabun otomatis sederhana dari barang bekas seperti botol plastik dan suntikan bekas. Dengan metode partisipatif, siswa dilibatkan langsung, dibantu panduan visual berupa leaflet, poster, dan spanduk. Hasilnya, mayoritas siswa berhasil membuat alat secara mandiri di rumah dengan dukungan orang tua dan memahami pentingnya kebersihan tangan. Monitoring melalui survei dan testimoni guru menunjukkan respon positif. Program ini meningkatkan keterampilan siswa dalam menjaga kebersihan dan menumbuhkan kesadaran lingkungan melalui pemanfaatan barang bekas.
Co-Authors A. Ali Alhamidi Abdul Aziz Agus Pramono Alhamdi, Ahmad Ali Alhamidi, A Ali Alhamidi, Ahmad Ali Alhamidi, Ahmad Ali Alief Maulana, Alief Andinnie Juniarsih Andriyansyah, Hardy Ayu, Resti Aziz, Abdul Aziz, Abdul Aziz, Abdul Bening Nurul Hidayah Kambuna Daris Miftah Dzaky Dedi Supriadi Dhaneswara, Donanta Dinda Aulia Hapsari Dwiyanti, Yanyan Dwiyanti, Yanyan Eti Hadiati Fatimah Azzahra Kambuna, Bening Hidayah Maulana, Alief Ali nia kurniasih Nurmawati, Binar Arum Partuti, Tri Partuti, Tri Pramono, Agus Rachmat Suryana Rahman Faiz Suwandana Saefuloh, Iman Sidik Susilo Suprapto, Suprapto Suryana Suryana Suryanaa, Suryanaa Tri Partuti Tri Partuti Yeni Muriani Zulaida