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All Journal Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan JMPM (Jurnal Material dan Proses Manufaktur) Turbo : Jurnal Program Studi Teknik Mesin Journal of Engineering and Scientific Research (JESR) Infotekmesin International Journal of Aviation Science and Engineering Journal of Innovation and Technology Jurnal Profesi Insinyur Universitas Lampung Journal of Applied Science, Engineering and Technology (J. ASET) Jurnal Rekayasa Lampung (JRL) Seminar Nasional Insinyur Profesional (SNIP) Jurnal Kedokteran Hewan Jurnal Polimesin Jurnal Pengabdian kepada MASyarakat (J-PMAS) Nemui Nyimah
Irza Sukmana, Irza
Jurusan Teknik Mesin Fakultas Teknik Universitas Lampung, Bandar Lampung
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Social Sciences Transportation Veterinary Other

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PENERAPAN TEKNOLOGI MESIN PENGADUK MEDIA TANAM JAMUR TIRAM PUTIH DI SENTRA JAMUR PONDOK PESANTREN DARUSSALAM LAMPUNG SELATAN Sukmana, Irza
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Vol. 1 No. 2 (2017): Jurnal Sakai Sambayan
Publisher : Lembaga Penelitian dan Pengabdian Universitas Lampung

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

Abstract

Abstrak Pleurotus ostreatus mushroom cultivation is a promising business opportunities in Bandar Lampung, as for one mushroom’s growing media (baglog) may produces for harvesting mushrooms every day up to 4-5 months. However, the success and quality of the mushroom production depends on the quality of mushroom’s growing media (baglog) preparation. Baglog preparation process is done through several steps, starting with preparing and mixing the raw materials to get a homogeneous and optimal dough, then subsequent compression and packaging of growing media in a plastic bag, before sterilizing and placing the oyster mushrooms stem at the top of baglog. In the small-scale mushroom industry, the process of mixing and compression of growing media used to be done manually or by human power. This process may give a low degree of homogeneity and uncompact baglog. The objection of this community service program is to implement an automatic mixer and compression tools for baglog production at oyster mushroom plantation center at Pesantren Darussalam, Banjar Negeri, Natar, South Lampung. Kata kunci: Pleurotus ostreatus mushroom, baglog, mixer machine, compression tool
Pengaruh Arah Pengerolan dan Orientasi Butir Logam Terhadap Sifat Mekanik Magnesium AZ31B Untuk Aplikasi Implan Biomedik Mampu Terdegradasi (Biodegradable Implant) Maherariyat, Maherariyat; Baddarudin, Mohammad; Sukmana, Irza; Sugiyanto, Sugiyanto; Sukohar, Asep; Risano, A Yudi Eka
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4610

Abstract

This study investigates the effects of rolling direction and grain orientation on the mechanical properties of AZ31B magnesium alloy, with a focus on its application in biodegradable implants. The research was conducted experimentally by preparing tensile test specimens from AZ31B sheet plates, cut in two different directions: parallel (0°, X) and perpendicular (90°, Y) to the rolling direction. Static tensile testing was performed in accordance with ASTM B557 standards to measure the material's mechanical properties. The results indicate mechanical anisotropy, where specimens in the X direction exhibited an average yield strength of 198.78 MPa, while specimens in the Y direction achieved a value of 78.21 MPa, only 39.3% of the X direction value. This difference is attributed to the formation of crystallographic texture during the rolling process. The modulus of elasticity showed similar properties, with values of 44-45 GPa in both directions. These findings demonstrate that grain orientation and rolling direction significantly affect the mechanical properties of the material, which is crucial in designing degradable magnesium AZ31B implant materials.
Optimizing the Production of Glass Ceramic from East Lampung Basalt Rock Using Taguchi and ANOVA Analysis Methods Anwar, Syaipudin; Sukmana, Irza; Zulhanif, Zulhanif; Saputra, Rizal Adi; Tarkono, Tarkono; Risano, A Yudi Eka
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4611

Abstract

Glass-ceramics are fine-grained polycrystalline materials produced by controlled crystallization in the glass phase. The raw material for glass ceramics is basalt rock from East Lampung mixed with additives (SiO₂, MgO, and CaO). The production of glass ceramics begins with melting at 1200 °C for 2 hours until melting. The melted basalt is quenched using aquadest water with a pH of 7 to produce glass material. The glass material is ground using a ceramic ball mill and sieved with a 325 mesh. The glass material undergoes nucleation at 600 °C for 2 hours, followed by crystallization at 1,050 °C for 3 hours, and thermal crystallization (devitrification) at 1,050 °C for 3 hours to form the crystalline phase. The additive composition was varied using the Taguchi method to analyze its effect on density. The density test results showed values ranging from 2.1 to 3.8 g/cm³, depending on the additive ratio used. An increase in CaO and MgO content tends to increase density due to the formation of crystalline phases such as pyroxene, anorthite, and olivine. Conversely, excessive addition of SiO₂ can reduce density due to the growth of amorphous phases. Taguchi analysis identified Silica (SiO2) as the Rank 1 parameter influencing density. Meanwhile, ANOVA analysis yielded an optimal percentage contribution of silica at 34.57%.
Co-Authors A.Yudi Eka Risano Abdullah Agus Sugiri, Agus Akhmad Riszal Aleksander Purba Ambar Pambudi Anwar, Syaipudin Arif Wicaksono, Mahruri Arif, Zainal Asep Sukohar Baddarudin, Mohammad budianto panjaitan Chyanegoro, Arifo Gunawan Deni Noviana Dikpride Despa Djuansjah, Joy Djuansjah, Joy R P Dwi Gustiono, Dwi Eriyadi, Riko Gunanti . Hamdani, Fadil Harnowo Supriadi, Harnowo Hendriyanto, Agus Herlina, Ulin Herry Wardono HERU WAHYUDI Ibrahim, Fauzi Iza, Abdillah Jasmawati, Noor M. Haviz Maherariyat, Maherariyat Mokhamad Fakhrul Ulum, Mokhamad Muhammad Irsyad Muhammad Yusuf Nafrizal Nazarrudin, Rizal Rahman, Nur Syazwani Binti Ab Ramadhan, Muhammad Afin Rifaldi, Dwi Riofasesi, Daffa Risano, Yudi Riszal, Akhmad Rizal Adi Saputra Safii, Rizal N Sari, Ratna Kurnia Shirley Savetlana, Shirley Siti mutmainnah SUGIYANTO Sugiyanto - Suharno Suharno Syazwani, Nur Tarkono Tarkono Tarkono Utoyo , Bambang Vadival, G N Wicaksono, Mahruri Arif Yusup Hendronursito, Yusup Zulhanif Zulhanif, Zulhanif