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All Journal Rekayasa Mesin Info-Teknik Dinamisia: Jurnal Pengabdian Kepada Masyarakat JMM (Jurnal Masyarakat Mandiri) Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat INTEK: Jurnal Penelitian Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS Jurnal Energi dan Teknologi Manufaktur Otopro JPKMI (Jurnal Pengabdian Kepada Masyarakat Indonesia) JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Prima Abdika: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Polinema Kepada Masyarakat Jurnal Pengabdian Multidisiplin Indonesian Community Journal Journal of Mechanical and Electrical Technology Jurnal Teknologi Jurnal Ilmiah Fakultas Sains dan Teknik Universitas Nusa Cendana Asian Journal Science and Engineering Jurnal Teknik Ilmu dan Aplikasi GEMBIRA (Pengabdian Kepada Masyarakat) Journal of Mechanical Engineering Evrimata: Journal of Mechanical Engineering Welfare: Jurnal Pengabdian Masyarakat
Lisa Agustriyana
Politeknik Negeri Malang
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Dentistry 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 Mathematics Mechanical Engineering Public Health Social Sciences Other

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Pengaruh Kuat Arus dan Waktu Pengelasan pada Proses Las Titik (Spot Welding) Terhadap Kekuatan Tarik dan Mikrostuktur Hasil Las dari Baja Fasa Ganda (Feritte-Martensite) Agustriyana, Lisa; Suryawan, Yudi; Sugiarto, Sugiarto
Jurnal Rekayasa Mesin Vol 2, No 3 (2011)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (224.835 KB)

Abstract

This research was conducted to investigate the appropiate spot welding variable to get the maximum tensile strength. The highest of tensile strength referred as good quality of weldment.The plate was made from low carbon steel with phase ferrite and martensite. The current of welding used 0.9 kA, 1.6 kA, dan 1.85 kA with welding time were 0.25, 0.5 , 0.75 and 1 second. Mechanical properties testing done involved tensile strength to know shear strength of weld joint. Microstructure test used optical microscope.The results show that spot welding with thecurrent of 1.85kA and welding time of 1 second has the highest tensile strength (about 237.04N/mm2). On the other hand, the lowest tensile strength (150 N/mm2) was produced by combination of 0.9 kA and 0.25 second welding time. It was caused by recrystallization phasedeformation on steel.Keywords: current, welding time, tensile strength, spot weld
Peningkatan Kapasitas Produksi Budidaya Lele Pada Kolam BioFloc Bertenaga Surya Untuk Ketahanan Pangan di Masa Pandemi Covid 19 Nurhadi Nurhadi; Chandra Wiharya; Lisa Agustriyana
JURNAL APLIKASI DAN INOVASI IPTEKS "SOLIDITAS" (J-SOLID) Vol 4, No 2 (2021): Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS
Publisher : Badan Penerbitan Universitas Widyagama Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/js.v4i2.2730

Abstract

Pandemi COVID 19 berdampak pada melemahnya kemampuan ekonomi masyarakat yang tergabung dalam Poklahsar Citara Singosari Malang yang mengembangkan budidaya ikan lele pada kolam bio floc. Masalahnya, kemampuan ekonomi yang rendah menyebabkan mereka hanya mampu mengembangkan 4 unit kolam, sehingga hasilnya belum optimal. Untuk mengatasinya, dilakukan kegiatan pengabdian masyarakat ini. Metode pengabdian adalah metode difusi Ipteks untuk menghasilkan kolam biofloc bertenaga surya. Tahapan kegiatan meliputi: menyiapkan lokasi, mendesain, membuat dan memasang kolam biofloc bertenaga surya.  Karya utama berupa 4 unit kolam biofloc bertenaga surya, berdiameter @ 2 m dengan kapasitas 3.000 ekor ikan/kolam. Pompa air kolam digerakkan oleh panel surya berkapasitas 500 WP dan mampu menyala 24 jam/hari. Dampak dan manfaat yaitu terjadi pemberdayaan masyarakat dan lingkungan yang cukup signifikan. Masyarakat mampu mengubah lahan kosong yang tidak produktif menjadi lahan produktif untuk pengembangan budidaya lele biofloc. Jumlah kolam yang semula hanya 4 unit dan berukuran kecil, diameter @ 1,5 m, berkembang menjadi 10 unit berukuran besar, diameter @ 2-4 m, yang semuanya digerakkan oleh pompa air bertenaga surya, sehingga kebutuhan listrik menjadi zero (nol). Perhitungan kapasitas produksi dan omzet budidaya lele naik mencapai  4 kali lipat dari sebelumnya. Kolam biofloc bertenaga surya ini sangat penting untuk meningkatkan kapasitas produksi budidaya lele dan ketahanan pangan masyarakat di masa pandemi, sehingga potensial dikembangkan lagi di kemudian hari.
PENGARUH PENGATURAN KUAT ARUS DAN VOLTASE TERHADAP KEKUATAN TARIK PADA PENGELASAN BIMETAL PLAT BAJA KARBON RENDAH DAN STAINLESS STEEL 304 DENGAN LAS GMAW Sarjiyana .; Subagiyo Subagiyo; Lisa Agustriyana
Jurnal Energi dan Teknologi Manufaktur Vol 4 No 02 (2021)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v4i02.103

Abstract

A manufactured product in the form of a mixture of dissimilar materials (bimetal) must be considered, including: selecting the right metal, selecting the appropriate filler, setting the current and voltage, etc. For this reason, research related to bimetallic welding using Gas Metal Arc Welding (GMAW) was conducted. The aims were to determine the effect of current on the tensile strength of bimetallic welding of low carbon steel and stainless steel 304 using GMAW welding, to determine the effect of voltage on the tensile strength of bimetallic welding, and to determine the effect of the interaction of current and voltage on the tensile strength of bimetallic welding using welding. GMAW. The research method used is experimental where the results of bimetallic welding are tested by the destructive test method. The results showed that current, voltage, and the strong interaction between current and voltage affect the tensile strength of bimetallic welding of low carbon steel and stainless steel 304 using GMAW welding. The use of amperes between 120A-160A and a voltage of 19V-22V gives a small difference and a tensile strength of 300 MPa-330 MPa.
PENGARUH PENGELASAN GTAW PADA LOGAM BIMETAL PLAT BAJA KARBON RENDAH DAN STAINLESS STEEL TERHADAP SIFAT MEKANIK SAMBUNGAN LAS Lisa Agustriyana; Sarjiyana Sarjiyana; Suyanta Suyanta
INFO-TEKNIK Vol 20, No 2 (2019): INFOTEKNIK VOL. 20 NO. 1 DESEMBER 2019
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v20i2.7712

Abstract

Stainless steel material (stainless steel) is used in the home industry and the military industry, and also in the nuclear industry. Steel material is divided into five types, namely austenite, ferrite, martensite, duplex and precipitation hardening. Ferritic stainless steel is an attractive alternative in vehicle production because of its corrosion resistance. Different metals have different characteristics from one another, so the welding process of dissimilar metals requires certain techniques. The purpose of this study is to determine the tensile strength of welds in bimetallic welding between low carbon steel plates and stainless-steel plates and to know the hardness of welds in bimetal welding between low carbon steel plates and stainless-steel plates using GTAW welding. The research method used: this research is part of the testing of technical materials conducted by the destructive test method with the category of science and technology development in the field of Mechanical Engineering. There is a trend of increasing tensile strength, yield strength and hardness of bimetallic welding of low carbon steel plates and stainless-steel plates using GTAW welding, that the greater the welding amperes will increase tensile strength, yield strength and hardness. The highest tensile strength was 41.18 Kg / mm2 and the highest yield strength was 41.16 Kgf / mm2 at 60 amperes and the highest hardness was 571.01 BHN at 55 amperes with the corresponding amperage range from the usage table 45 - 65 amperes. In the HAZ area when compared to the parent material, the HAZ area hardness is higher than the parent material and lower than the weld filler.
KARAKTERISASI HASIL PENGELASAN GTAW PADA BAJA KARBON RENDAH DENGAN VARIASI SUDUT GEOMETRI ELEKTRODE DAN BESAR ARUS PENGELASAN Lisa Agustriyana
INFO-TEKNIK Vol 19, No 1 (2018): INFOTEKNIK Vol. 19 No. 1 Juli 2018
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v19i1.5145

Abstract

In the application of welding "GTAW" has several advantages such as welding results do not need to be cleaned from slag or corrosion residue. Due to the above-mentioned advantages, the precise determination of weld parameters and offset by the welding skills of welded characteristics will be affected. The purpose of this research is to know the characteristic of GTAW welding on low carbon steel, by observing the shape of weld bead and supported by the result of macro photo of welding result from various variations of currents and variations of the angle geometry of tungsten electrode. The method used in this study is an experimental method, with treatment of parameters of parameters of current and parameters of angle geometry variation of tapering of tunsten electrode. Analyze method is done to welding result and macro photo of T connection weld result. From the analysis of GTAW weld metal form with type T connection through variation of electrode geometry angle and strong welding current in this research, can be drawn some conclusions, among others, from some variation of weld geometry angle which gives good shape of welding characteristic and deep penetration is angle 300 of ampere 90 A.
ANALISIS KEKERASAN BAJA S45C HASIL HARDENING DENGAN VARIASI MEDIA PENDINGIN Subagiyo Subagiyo; Asrori Asrori; Lisa Agustriyana
INFO-TEKNIK Vol 19, No 1 (2018): INFOTEKNIK Vol. 19 No. 1 Juli 2018
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v19i1.5141

Abstract

Steel has good mechanical properties compared with the other materials, that is strength, hardness, rigidity, etc. Specially the steel hardness can be increased by heat treatment (Hardening). The purpose of this research is to obtain information about hardness of S45C steel after hardening by variation of cooling media. This research were used Ø 25 mm x 10 mm S45C steel, Hardened by variation of cooling media and then they were tested by Rockwell Harness Test. The result showed that the hardness of S45C steel after hardening increased from about 15 HRC (before hardening) to 71.89 HRC (Brane quenching), 68.22 HRC (Water quenching), 64.67 HRC (Water + Soluble oil quenching) and 56.89 HRC (Oil quenching), but for the range were opposite to 3.84 HRC (Brane quenching), 4.24 HRC ( Water quenching), 4.22 HRC (Water + Soluble oil quenching) and 5.65 HRC (Oil quenching)
KARAKTERISASI HASIL PENGELASAN GTAW PADA BAJA KARBON RENDAH DENGAN VARIASI SUDUT GEOMETRI ELEKTRODE DAN BESAR ARUS PENGELASAN Lisa Agustriyana
INFO-TEKNIK Vol 18, No 1 (2017): INFOTEKNIK Vol. 18 No. 1 2017
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v18i1.3880

Abstract

In the application of welding "GTAW" has several advantages such as welding does not need to be cleaned from slag or corrosion residue. Due to the above-mentioned advantages, the precise determination of weld parameters and offset by the welding skills of welded characteristics will be affected. The purpose of this research is to know the characteristic of GTAW welding on low carbon steel, by observing the shape of weld bead and supported by the result of macro photo of weld result from various variations of currents and variations of geometry angle of tungsten electrode.The method used in this research is experimental method, with treatment of parameter setting of current and parameters of geometric angle variation of torsion of tunsten electrode. Analyze method is done to welding result and macro photo of T connection weld result.From the analysis of GTAW weld metal form with type T connection through variation of geometry angle of electrode and strong welding current in this research, it can be drawn some conclusions, among others, from some variation of weld geometry angle which gives good shape of weld characteristic and deep penetration is angle 300 of ampere 90 A.
EFFECT OF HEAT TREATMENT TEMPERATURE ON THE FORMATION OF DUAL PHASE STEEL AISI 1005 HARDNESS AND FLEXURE STRENGTH CHARACTERISTICS OF MATERIALS Kris Witono; Lisa Agustriyana; Agus Setiawan
INFO-TEKNIK Vol 16, No 1 (2015): INFOTEKNIK VOL. 16 NO. 1 2015
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v16i1.208

Abstract

Any material intended for automotive use, especially in the body panels must have the criteria able to form (formable), weldability (weldable), coatable (resistant to corrosion) and able to be repaired (repairable). One group of materials that meet all the above requirements are dual phase steel. To form a dual phase steel can be done through a process of heat treatment.The purpose of this study was to determine the effect of heat treatment temperature on the formation of a dual phase of the material hardness properties and flexural strength steel.The method used is a variation of the process of heat treatment at temperature 7300C, 7500C, 7700C, 8000C, 8500C, 9000C.The results of the study include the establishment of dual phase steel can improve the hardness of AISI 1005 steel with a carbon content of 0.033% C, the highest value of flexural strength is obtained at a temperature of 770 ° C treatment that is 1.98 kg / mm2 with 223.08 HV hardness values. The hardness and flexural lowest strength obtained at the treatment temperature of 900 ° C is 197.14 HV and 1.15 kg / mm2 and dual phase steel with optimum mechanical properties obtained at a temperature of 770 ° C. Key word : heat treatment, dual phase, hardness, flexure strength
Pertanian Tanaman Jagung dengan Alat Penyiang bagi Petani Jagung Desa Pulungdowo Kabupaten Malang M. Akhlis Rizza; Ratna Monasari; Zakki Fuadi Emzain; Lisa Agustriyana
JPKMI (Jurnal Pengabdian Kepada Masyarakat Indonesia) Vol 1, No 4: November (2020)
Publisher : ICSE (Institute of Computer Science and Engineering)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/jpkmi.v1i4.112

Abstract

Abstrak: Saat ini kebutuhan jagung dunia semakin meningkat, dengan pemanfaatan yang luas seperti konsumsi manusia, pakan ternak, hingga kebutuhan industri. Menurut data Kementerian Pertanian, Kabupaten Malang merupakan salah satu sentra produksi tanaman palawija khususnya jagung di Indonesia. Namun saat ini berdasarkan data BPS, hasil produksi jagung di Kabupaten Malang mengalami penurunan. Hal ini terjadi karena kapasitas kerja pengolahan tanah yang dilakukan oleh petani Desa Pulungdowo tidak maksimal dikarenakan usia petani yang sudah tidak produktif untuk melakukan pengolahan tanah. Untuk meningkatkan hasil produksi jagung perlu dilakukan peningkatan SDM dan mekanisasi pertanian. Kebutuhan mekanisasi pertanian di Desa Pulungdowo merupakan sebuah alat pengolahan tanah cultivator yang dapat dimanfaatkan sebagai alat penyiang rumput yang juga dapat dimanfaatkan untuk menggemburkan tanah pada lahan kering. Dengan mekanisasi ini mutu pekerjaan pengolahan tanah menjadi lebih baik, selain itu lebih efisien dalam waktu dan biaya yang dikeluarkan. Kegiatan ini melibatkan petani jagung Desa Pulungdowo dan pemateri yang memberikan penyuluhan mengenai pembibitan tanaman jagung yang dilakukan secara persilangan. Metode yang digunakan pada kegiatan PKM ini adalah dengan melibatkan masyarakat dan memberikan solusi substitusi IPTEK berupa mekanisasi pertanian. Tahapan pelaksanaan kegiatan ini adalah rembug desa yang merupakan bentuk dari survei lapangan, pengadaan alat, penyuluhan mekanisasi pertanian dan pembibitan tanaman jagung, penyerahan alat dan pelatihan operasional perawatan mesin, serta evaluasi untuk mengetahui efektivitas alat. Kegiatan ini menghasilkan evaluasi yang menunjukkan bahwa petani jagung Desa Pulungdowo mampu mengoperasikan alat cultivator setelah dilakukan pelatihan penggunaan dan perawatan mesin, sehingga proses pengolahan tanah pertanian jagung yang dilakukan petani Desa Pulungdowo menjadi lebih efisien.Abstract: Currently, the world's need for corn is increasing, with wide use of such as human consumption, animal feed, to industrial needs. According to data from the Ministry of Agriculture, Malang Regency is one of the production centers for secondary crops, especially maize in Indonesia. However, currently based on BPS data, corn production in Malang Regency has decreased. This happens because the working capacity of land cultivation carried out by the farmers in Pulungdowo Village is not optimal due to the age of the farmers who are not productive enough to cultivate the land. To increase the yield of maize production, it is necessary to increase human resources and agricultural mechanization. The need for agricultural mechanization in Pulungdowo Village is a tool for cultivating land for cultivators that can be used as a tool for weeding which can also be used to loosen the soil on dry land. With this mechanization, the quality of soil processing work will be better, besides that it is more efficient in terms of time and costs. This activity involved corn farmers in Pulungdowo Village and presenters who provided counseling on the breeding of corn which was carried out by crosses. The method used in this PKM activity is to involve the community and provide solutions to substitute science and technology in the form of agricultural mechanization. The stages of the implementation of this activity are village consultations which are a form of field survey, procurement of tools, counseling on agricultural mechanization and corn plant nurseries, delivery of tools and training on machine maintenance operations, and evaluation to determine the effectiveness of the tools. This activity resulted in an evaluation showing that the corn farmers in Pulungdowo Village were able to operate the cultivators after training on the use and maintenance of the machines so that the processing of corn farmland carried out by the farmers in Pulungdowo Village became more efficient
Penyediaan Alat Peraga dan Pelatihan Pengajaran Sains dan Matematika Bagi MI Mambaul Hidayah Desa Sidorejo Kecamatan Jabung Kabupaten Malang Kris Witono; Zakki Fuadi Emzain; Muhammad Akhlis Rizza; Lisa Agustriyana; Moh. Hartono
JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Vol 2 No 2 (2021)
Publisher : Politeknik Dharma Patria

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/jurpikat.v2i2.672

Abstract

Alat peraga merupakan salah satu bentuk media ajar yang mempunyai peran penting dalam metode pembelajaran. Fasilitas pembelajaran di MI Mambaul Hidayah masih tergolong minim sehingga perlu adanya penyediaan alat peraga. Pengabdian pada masyarakat ini bertujuan untuk menyediakan dan melatih penggunaan alat peraga khususnya pada mata pelajaran sains dan matematika di MI Mambaul Hidayah Kabupaten Malang. Tahapan pengabdian meliputi survei, koordinasi, penyediaan, pelatihan dan simulasi pengajaran, serta evaluasi dan serah terima alat peraga. Hasil kegiatan pengabdian setelah simulasi pengajaran dengan menggunakan alat peraga sains dan matematika menunjukkan guru semakin mudah untuk menjelaskan materi dengan berbagai contoh yang aplikatif. Siswa juga semakin antusias praktik menggunakan alat peraga dan lebih mudah untuk mengerti dan memahami materi.
Co-Authors Agus Dani Agus Dani Agus Setiawan Ahmad Hanif Firdaus Aji , Supa Kusuma Akhlis Rizza, Muhammad AM. Mufarrih Amalia, Zakiyah Asrori Asrori Chandra Wiharya Dadang Kurniawan Eko Yudianto Eko Yudiyanto Etik Puspitasari Etik Puspitasari Etik Puspitasari, Etik Faridha, Nike Fengky Adie Perdana Hadi Susilo, Sugeng Hari Rarindo Hari Rarindo Hari Rarindo Haris Puspito Buwono Iqbal Ainul Hayat Kris Witono Kris Witono Kurniawan, Rozaq Moh. Hartono Moh. Hartono Moh. Nasir Hariyanto Monasari, Ratna Muhammad Akhlis Rizza Muzaki, Mochamad Nanang Qosim Nanang Qosim Nila Alia Nugroho, Pipit Wahyu Nurchajat Nurchajat, Nurchajat Nurhadi - Pondi Udianto Purwoko Puspito Buwono, Haris Ramadhani, Muh. Ratna Monasari Samsul Hadi Samsul Hadi Sarjiyana Sarjiyana Siti Duratun Nasiqiati Rosady Subagiyo Subagiyo Subagiyo Subagiyo Subagiyo Subagiyo Sudarmadji Sudarmadji Sugeng Hadi Susilo Sugiarto S Sulistyono Sulistyono Sulistyono Suwandi, Nicky Suyanta Suyanta Syamsul Hadi Talifatim Machfuroh Talifatim Machfuroh, Talifatim Widjanarko Witono Witono Yoyok Heru Prasetyo Isnomo Yudi Suryawan Zahratul Jannah Zakki Fuadi Emzain