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All Journal Turbo : Jurnal Program Studi Teknik Mesin DEVOTE: Jurnal Pengabdian Masyarakat Global Jurnal Polimesin
Adi Prastyo
Jurusan Teknik Mesin, Fakultas Teknik, Universitas Malahayati, Bandar Lampung
Automotive Engineering Computer Science & IT Control & Systems Engineering Education Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Mechanical properties investigation of the potential extruded MgAZ31B as a bone implant Fauzi Ibrahim; Anang Ansyori; Adi Prastyo; Lukito Dwi Yuono
TURBO [Tulisan Riset Berbasis Online] Vol 11, No 2 (2022): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v11i2.2279

Abstract

Mg is a light metal that has superior properties, including low density, good ductility, medium strength, and good corrosion resistance, mg can also be combined to obtain better properties. Interest in the application of MgAZ31B for bone replacement has now become a major topic and continues to be intensified to improve results that are more compatible with bone constituents found in humans. In the human body, there are approximately 206 bones in an adult. Calcium, magnesium, and phosphorus are the main elements in the formation of human bones but there are many other elements in their formation, the real bone matrix is made of protein, collagen, calcium phosphate, calcium carbonate, magnesium salts, and other minerals. When viewed from the element of bone magnesium is an important part of bone formation and certainly not harmful to the main elements of human bones. However, before being used as bone implants, magnesium must pass the mechanical and clinical test stages.
Analysis of Mechanical Properties of CD 304 SS at High-Temperature Transient Conditions Adi Prastyo; Fauzi Ibrahim; Mohammad Badaruddin
Jurnal POLIMESIN Vol 20, No 2 (2022): August
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v20i2.2995

Abstract

The mechanical properties of stainless steel at high temperatures are important parameters of the refractory design of stainless-steel structures. In this study, the mechanical properties of SS304 cold-drawn austenitic stainless grade at high temperature and room temperature were investigated experimentally. Thermal strain testing and total deformation of temperature transient conditions were carried out. The young modulus of maximum tensile is determined and the yield strength is determined using the 0.2% offset method. Temperature variables in this test are 25 °C, 100 °C, 200 °C, 300 °C, 400 °C, 500 °C, 600 °C, 700 °C, 800 °C, and 900 °C. In the thermal tensile test results, the specimen at 25 ° C has the highest ultimate voltage (σu), which is 698.33 MPa. Effect of temperature on the strength of SS304 stainless grade dramatically in the temperature range 700 °C. High temperatures reduce steel properties to a relatively greater degree, resulting in a decrease in the mechanical properties of stainless steel SS304 grade followed by relatively low steel ductility capabilities. SEM results explain that the formation of ε-martensite resulting from cold plastic deformation can lead to failure of the material at the total deformation of transient temperatures at low temperatures. The high chromium (Cr) content (~18%. wt) in grade CD 304 SS can be the main trigger for the formation of Cr-carbide precipitates formed in austenite grains or grain boundaries.
PKM MENGGALI POTENSI PEMANFAATAN LIMBAH CANGKANG KERANG MENJADI PUPUK DAN PAKAN SEBAGAI PENAMBAHAN NILAI EKONOMIS DI PULAU PASARAN KELURAHAN KOTA KARANG KECAMATAN TELUK BETUNG TIMUR KOTA BANDAR LAMPUNG Euis Mufahamah; Anita Anita; Adi Prastyo; Andika Saputra; Rizkia Salsafara
Devote: Jurnal Pengabdian Masyarakat Global Vol. 4 No. 4 (2025): Devote: Jurnal Pengabdian Masyarakat Global, 2025
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/devote.v4i4.5319

Abstract

This community service program aims to explore the potential of utilizing shellfish waste on Pasaran Island, Kota Karang Village, Teluk Betung Timur District, Bandar Lampung City as a basic material for fertilizer and feed. Shellfish waste, which has not been optimally utilized, contains minerals that are useful for increasing soil fertility and as a source of protein in animal feed. The community service method includes waste collection, processing into organic fertilizer and additional feed, and the use of technology in processing shellfish waste. The stages in this activity are socialization, training, technology application, mentoring and evaluation, and program sustainability. The results of the community service program show that the utilization of shellfish waste can increase economic value while reducing environmental waste on Pasaran Island, Kota Karang, Teluk Betung Timur District, Bandar Lampung City. This utilization model is expected to be a sustainable solution for waste management while supporting the local economic development of the Pasaran Island community.
Co-Authors Anang Ansyori Andika Saputra Anita Anita Euis Mufahamah Ibrahim, Fauzi Lukito Dwi Yuono Mohammad Badaruddin Rizkia Salsafara