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All Journal Indonesian Journal of Applied Sciences Journal of Mechanical Engineering Education (Jurnal Pendidikan Teknik Mesin) INVOTEC Spektra: Jurnal Fisika dan Aplikasinya Jurnal Abmas Teknologika
Agus Solehudin
Universitas Pendidikan Indonesia
Aerospace Engineering Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences

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ANALISA DAMPAK LAJU KOROSI TERHADAP KEKUATAN OVEN WIRE BELT (BAJA KARBON AISI 1065) Amri Abdulah; Agus Solehudin; Hilman Nugraha
Jurnal Teknologika Vol 9 No 2 (2019): Jurnal Teknologika
Publisher : Sekolah Tinggi Teknologi Wastukancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (721.358 KB)

Abstract

Korosi merupakan reaksi elektrokimia antara logam dan lingkungan yang menyebabkan karat dan menurunkan mutu logam, tujuan dari penelitian ini untuk menganalisa terjadinya korosi pada sabuk konveyor berupa jala kawat (oven wire belt) yang terbuat dari baja karbon AISI 1065 di mesin pemanggang (tunnel baking oven) untuk pemanggangan adonan biskuit.Penelitian dilakukan setelah proses pemanggangan adonan biskuit di tunnel baking oven selama pengopersian 1174 hari, dengan metode pengujian kehilangan berat sampel uji, pengukuran diameteroven wire belt,tegangan operasi, perhitungan kekuatan tarik, tegangan geser dan regangan. Hasil dari pengujian kehilangan berat sampel uji rata-rata laju korosi adalah sebesar 0,0366 mpy dan pengecilan rata-rata diameter sebesar 0,349 mpy,Laju korosi berdampak pada tegangan operasi, sebelum terjadi korosi sebesar 3,20 x 107 N/m2 dan setelah korosi menjadi 3,33 x 107 N/m2 dengan penurunan kekuatan tarik dari hasil pengujian kehilangan berat adalah sebesar 160,905 N/m2. Tegangan geser mengalami penurunan sebesar1,04 x 106 N/m2. terjadinya pengecilan penampang mengakibatkanpeningkatan regangan dari pitch awal 8,5 mm menjadi 9,45 mm dan persentase elongasi naik dari8%menjadi 9,96 %.
FACTOR ANALYSIS OF STUDENT PRACTICUM IMPLEMENTATION ON LATHE WORK Siti Laily Masnah; Gilbert stefhen; Agus Solehudin; Amalia Aisyah Putri
Journal of Mechanical Engineering Education Vol 8, No 1 (2021): Juni
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/jmee.v8i1.36576

Abstract

Practical-based learning can improve students' thinking skills and abilities. Optimizing the implementation of the practicum needs to be supported by various factors so that student learning outcomes are good. This study aims to obtain the dominant factors that support the implementation of student practicum on lathe work. This study uses descriptive quantitative methods with data collection techniques using a questionnaire instrument. The research population is students from the Mechanical Engineering Education Study Program at a university in Bandung. The results of the study indicate that there is a relationship between a number of independent variables. The six independent variables identified as sources of practicum support were then grouped into two new factors. The two factors have a correlation greater than 0,5, so it can be concluded that it is feasible to summarize the six variables analyzed. Based on the total variance score explained, factor 1 is the dominant factor affecting the implementation of the lathe work practicum and according to the rotated component matrix it is known that from factor 1, the workshop building variable has the highest correlation and the tools and practicum materials have the second highest correlation. This shows that the variables of the workshop building and the variables of tools and practicum materials are very important to be used as references in supporting good learning outcomes in practical activities.
Co-Authors Agus Setiawan Amalia Aisyah Putri Amri Abdulah Enda Permana Enda Permana, Enda Fadillah, Usman Firmansyah, Mochamad Rizkya Gilang Ramadhan Gilbert stefhen Hadi Nasbey Hilman Nugraha Ida Hamidah Kusuma, Inu Hardi M. Alfathan Mumu Komaro Ramadhan, Ridwan Sabri Sabri Salam, Haipan Sawawa, Danur Siti Laily Masnah Sulaeman . Suma, Enang