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All Journal Manutech : Jurnal Teknologi Manufaktur JAMU : Jurnal Abdi Masyarakat UMUS
Ramli Ramli
Teknik Mesin, Fakultas Teknik, Politeknik Manufaktur Negeri Bangka Belitung
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Pengaruh Secondary Aging Treatment Terhadap Sifat Mekanik Dan Surface Glossiness Pada Aluminium Paduan 7003 Ramli Ramli
Manutech : Jurnal Teknologi Manufaktur Vol. 9 No. 01 (2017): Manutech : Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (700.292 KB) | DOI: 10.33504/manutech.v9i01.33

Abstract

As technology advances and the quality of life improves, there is a deep need that requires of aluminium alloy that bears high strength, high toughness, high surface glossiness, anti-corrosion, and high fatigue resistivity [2]. This study aims to investigate the effects of secondary aging treatment on the mechanical properties and Surface Glossiness of the 7003 aluminium alloy by using several equipment, including: confocal laser microscope, white light interferometer, gloss meter, micro Vickers hardness tester and tensile test machine. This research was conducted by experimental method by giving treatment on the aluminium alloy 7003 with some treatments, there are: aging treatment at 100?C for 5 hours and then secondary aging treatment at several different temperatures at 150?C, 175?C and 200?C for 9 hours respectively. Based on our experimental results, it obtained: After being aged at 100 ? for 5 hours and then secondary aged at 175? for 9 hours, the 7003 aluminium alloy obtained excellent mechanical properties, which can achieve the industrial requirements of Yield strength 320 MPa and Elongation 13% for 3C mobile phone products. The 7003 aluminium alloy after being anodizing treated could obtain excellent Surface Glossiness and oxidation layer. The present aluminium alloy can achieve Surface Glossiness better than 1200 GU and the thickness of oxidation layer exceed 10?m, which were suitable for 3C industrial applications.
Peningkatan Literasi Keuangan untuk Pekerja Migran di Taiwan Agung Dharmawan Buchdadi; Destria Kurnianti; Dewi Susita; Ramli Ramli; Amelia Sholeha
JAMU : Jurnal Abdi Masyarakat UMUS Vol. 2 No. 02 (2022): Februari
Publisher : LPPM Universitas Muhadi Setiabudi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (241.899 KB) | DOI: 10.46772/jamu.v2i02.672

Abstract

Kemampuan manajemen keuangan dalam hal perencanaan keuangan menjadi salah satu kemampuan yang wajib dimiliki oleh para buruh migran yang bekerja di luar negeri dengan meningkatkan literasi keuangan mereka. Sebab dengan kemampuan manajemen keuangan yang baik dapat melakukan perencanaan keuangan yang efektif, efisien, dan bermanfaat, sehingga para buruh migran diharapkan dapat meningkatkan tingkat kesejahteraannya saat kembali ke tanah air memiliki modal yang cukup selama merantau di luar negeri. Kegiatan pengabdian kepada masyarakat ini dilakukan dengan tujuan agar para pekerja migran di Taiwan memiliki pengetahuan literasi keuangan yang baik. Kegiatan pengabdian kepada masyarakat ini menggunakan metode pemaparan materi, diskusi dan tanya jawab. Hasil dari kegiatan ini adalah para pekerja migran dapat melakukan perencanaan keuangan rumah tangga. Dengan memiliki literasi keuangan yang baik, masyarakat Indonesia diharapkan menjadi lebih maju, sehat, dan sejahtera khususnya pekerja migran di Taiwan.
Analisis Pengaruh Pengujian Tekan Terhadap Suhu, Pengeringan Awal, Suhu dan lama Penahanan Waktu Pemanasan Bata Merah Yuliyanto Yuliyanto; Eko Yudo; Ramli Ramli
Manutech : Jurnal Teknologi Manufaktur Vol. 15 No. 01 (2023): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v15i01.142

Abstract

Red brick is a very important building material in building construction. Red brick has a rectangular physical shape with a distinctive color, namely red. Red bricks are made of clay mixed with sand and water, then mixed evenly and molded as desired. According to the quality standards, red brick is said to be of good quality and quality if it has several criteria including having the required size, compressive strength, and water absorption capacity. This research was conducted to see the effect of the length of drying time after printing, the effect of heating time, heating temperature, and the surface topography of red brick. The data processing method uses the Response Surface (RSM) method using Design Expert 09 software. The results show the smallest compressive test value of 131.4 kg/cm2. The biggest value is 148 kg/cm2. The most significant influence on the red brick making process is the drying time. The longer the drying process will cause the water content in the red brick to decrease. The SEM results show that the effect of drying red bricks that experience longer drying will coalesce and crystallize more easily. Based on the analysis of the results of the study that a longer drying time will cause an increase in compressive strength.
Co-Authors Agung Dharmawan Buchdadi Amelia Sholeha Destria Kurnianti Dewi Susita Eko Yudo Yuliyanto