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All Journal JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN Trends in Mechanical Engineering Research
Ipick Setiawan
Universitas Sultan Ageng Tirtayasa
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences

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PENGARUH TEMPERATUR PELAPISAN DAN KEKASARAN PERMUKAAN TERHADAP LAJU KOROSI LAPISAN ELECTROLESS NI-P BAJA KARBON RENDAH ASTM A36 Iman Saefuloh; Ipick Setiawan; Sunardi Sunardi; Miftahul Jannah; Rina Lusiani
Jurnal Dinamika Vokasional Teknik Mesin Vol. 6 No. 2 (2021): Oktober
Publisher : Department of Mechanical Engineering Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/dinamika.v6i2.44135

Abstract

Pemakaian bahan baja karbon rendah ASTM A36 sebagai bahan dasar bangunan konstruksi pipa dan tanki yang dimodifikasi menggunakan proses pelapisan Electroless Ni-P. Proses ini bertujuan untuk meningkatkan sifat-sifat yang harus dimiliki oleh plat baja ASTM A36 dari ketahanan korosinya. Dengan variasi temperatur pelapisan dan kekasaran permukaan serta penambahan proses perlakuan panas, karakteristik lapisan electroless Ni-P berupa nilai laju korosi, kekerasan, struktur mikro dan persentase kandungan nikel dianalisis. Dengan variasi kekaasaran permukaan 0,28 𝜇𝑚, 0,15 𝜇𝑚 dan 0,07 𝜇𝑚 serta variasi temperatur pelapisan 60º C, 70º C dan 80º C dan dengan penambahan perlakuan panas 500º C selama 120 menit. Hasil pengujian menunjukkan bahwa semakin kasar permukaan dan semakin tinggi temperatur pelapisan menyebabkan lapisan tersebut memiliki nilai ketahanan korosi yang lebih baik. Proses perlakuan panas 500º C selama 120 menit meningkatkan nilai ketahanan korosi secara signifikan tetapi tidak dapat meningkatkan uji kekerasan rockwell secara signifikan tetap berada di kisaran 70-80 HRB.
PRELIMINARY STUDY ON THE USE OF IPOMOEA CARNEA POWDER AS A REINFORCEMENT MATERIAL IN THE PRODUCTION OF POLYMER ROOF TILES Nicko Dharma Kustyo; Sunardi Sunardi; Moh. Fawaid; Sidik Susilo; Ipick Setiawan; Yusvardi Yusuf; Agung Sudrajad; Erny Listijorini; Kurnia Nugraha; Slamet Wiyono; Haryadi Haryadi
Trends in Mechanical Engineering Research Vol 3, No 01 (2025): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v3i01.34510

Abstract

Roof tiles play a vital role in the construction industry hagoslot by providing protection from the sun's heat and rain. The quality of roof tiles largely depends on the materials used and the manufacturing process, as these factors significantly affect the tiles' mechanical properties. Kangkung pagar (Ipomoea carnea) is one type of alternative natural fiber material that can be utilized in the creation of composite materials. This study aims to explore the potential of Ipomoea carnea powder as an alternative material for producing polymer roof tiles, as well as to examine how variations in the composition of powder and sand influence the mechanical properties of these tiles. The method for producing roof tiles is based on powder metallurgy. The composition of the powder and sand used varies in the following ratios: 10% powder to 50% sand, 20% powder to 40% sand, and 30% powder to 30% sand. Additionally, a fixed composition of 30% polyester resin and 10% asphalt is used. The initial process involves mixing the materials according to these predetermined ratios. The resulting mixture is then molded and compacted under a pressure of 200 kg/cm². Characterization of the mechanical properties includes proximate analysis, calculation of porosity and density, flexural strength testing, and hardness testing.The study's results indicated that the properties of polymer roof tiles are significantly influenced by the composition of the powder and sand used during their manufacture. The findings revealed a porosity value of 0.209%, a density of 0.994%, a flexural strength of 2.270 MPa, and an optimum hardness of 19.1 BHN. The addition of 10% powder increased the hardness value by only 0.4% while decreasing the flexural strength by 0.5%. Overall, the use of Ipomoea Carnea powder was not effective in enhancing the mechanical properties of the polymer roof tiles, as both the flexural strength and hardness values remained below those of commercially available polymer roof tiles.
Co-Authors Agung Sudrajad Erny Listijorini Haryadi Haryadi Kurnia Nugraha Miftahul Jannah Moh Fawaid Nicko Dharma Kustyo Rina Lusiani Saefuloh, Iman Sidik Susilo Slamet Wiyono Yusvardi Yusuf