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All Journal Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Jurnal Rekayasa Mesin Journal of Mechanical Engineering and Applied Technology
Padang Yanuar
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Automotive Engineering Computer Science & IT Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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MENINGKATKAN KETANGGUHAN C-Mn STEEL BUATAN DALAM NEGERI Padang Yanuar; Iman Mujiarto; Yoeli Janto
Prosiding SNST Fakultas Teknik Vol 1, No 1 (2017): PROSIDING SEMINAR NASIONAL SAINS DAN TEKNOLOGI 8 2017
Publisher : Prosiding SNST Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (163.591 KB)

Abstract

Perlakuan panas adalah proses memanaskan dan mendinginkan logam untuk mendapatkan sifat khas yang diinginkan, salah satunya adalah sifat ketangguhan. Ketangguhan adalah kombinasi antara kekuatan dan kekerasan, salah satu hasil baja perlakuan panas adalah baja tangguh yang digunakan pada alat berat, komponen kendaraan tempur dan lain-lain. Penelitian ini bertujuan untuk meningkatkan ketangguhan dan mengevaluasi perubahan karakterisasi C-Mn Steel buatan dalam negeri. Metode penelitian adalah melakukan austenitisasi C-Mn buatan dalam negeri pada temperatur tertentu dengan holding time dilanjutkan proses quenching di media air, tempering pada temperatur tertentu dan holding, kemudian diakhiri dengan pendinginan udara atmosfir. Setelah kedua perlakuan panas ini dihasilkan ketangguhan yang meningkat. Observasi yang dilakukan adalah metalografi, kekerasan dan uji takik (impact testes) untuk melihat berturut-turut struktur mikro, angka kekerasan dan energi yang diserap. Observasi dilakukan terhadap benda kerja kondisi normal dan setelah proses perlakuan panas. Hasil penelitian memperlihatkan peningkatan nilai kekerasan 220 BHN dan nilai ketangguhan sebesar 1 Joule setelah dilakukan proses quenched and tempered steel.Kata kunci: C-Mn Steel, hardness, quenching, tempering, toughness
Front Matter Jurnal Rekayasa Mesin Vol. 13 No. 1 April 2018 padang Yanuar
Jurnal Rekayasa Mesin Vol 13, No 1 (2018): Volume 13, Nomor 1, April 2018
Publisher : Jurusan Teknik Mesin - Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (691.898 KB) | DOI: 10.32497/jrm.v13i1.1620

Abstract

Back Matter Jurnal Rekayasa Mesin Vol. 12 No. 3 Desember 2017 padang Yanuar
Jurnal Rekayasa Mesin Vol 12, No 3 (2017): Volume 12, Nomor 3, Desember 2017
Publisher : Jurusan Teknik Mesin - Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (292.269 KB) | DOI: 10.32497/jrm.v12i3.1629

Abstract

Front Matter Jurnal Rekayasa Mesin Vol. 12 No. 3 Desember 2017 padang Yanuar
Jurnal Rekayasa Mesin Vol 12, No 3 (2017): Volume 12, Nomor 3, Desember 2017
Publisher : Jurusan Teknik Mesin - Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v12i3.1621

Abstract

STRUCTURAL INTEGRITY ASSESSMENT OF LPG-FIRED CABINET DRYER USING FINITE ELEMENT ANALYSIS (FEA) Nafisah Amalia; Yusi Amalia Renaningtyas; Apriandi MS, Nanang; Yusuf Dewantoro Herlambang; Avicenna An-Nizhami; Padang Yanuar; Aris Fiatno
Journal of Mechanical Engineering and Applied Technology Vol. 3 No. 2 (2025): VOLUME 3 ISSUE 2 YEAR 2025 (JULY 2025)
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jmeat.v3i2.6635

Abstract

Cabinet-type dryers powered by Liquefied Petroleum Gas (LPG) are widely recognized as an efficient drying solution, particularly for small and medium-sized industries. However, the structural strength and durability aspects of these dryers often receive insufficient attention, although they operate under a combination of static and thermal loads that may potentially trigger structural failure. This study aims to evaluate the structural strength of a cabinet-type LPG dryer using the Finite Element Analysis (FEA) method by considering variations in operating temperature and constant mechanical loading. Simulations were conducted within an operating temperature range of 48.049°C to 75.767°C under a constant load of 40 kg. The key parameters analyzed include total deformation, stress distribution, and structural safety factor. The results revealed a maximum deformation of 1.094 mm and a peak stress of 1030.7 MPa concentrated in the plenum chamber area, identified as a critical zone due to the combined effects of thermal and mechanical loading. The maximum safety factor reached 15, while the minimum value of 0.24255 indicates the need for localized design improvements in certain regions. These findings demonstrate the effectiveness of FEA in predicting the structural response of drying equipment and provide a scientific foundation for enhancing structural safety and reliability. Further studies are recommended to integrate coupled thermal-structural analysis and experimental validation to improve the accuracy of the results. Keywords: cabinet dryer; finite element analysis (FEA); safety factor; structural analysis; temperature distribution
Co-Authors An Nizhami, Avicenna Apriandi MS, Nanang Aris Fiatno Nafisah Amalia Yoeli Janto Yusi Amalia Renaningtyas Yusuf Dewantoro Herlambang