Pengaruh Tekanan dan Jarak Penyemprotan Nozzle Terhadap Ketebalan Lapisan Soft Primer Baja AH 36
DOI:
https://doi.org/10.29407/s92vb487Abstract
Soft primer merupakan lapisan pelindung sementara pada baja yang berfungsi mencegah korosi selama proses fabrikasi. Ketebalan lapisan dipengaruhi oleh tekanan dan jarak penyemprotan nozzle. Penelitian ini bertujuan menganalisis pengaruh tekanan, jarak penyemprotan, dan interaksi keduanya terhadap ketebalan lapisan soft primer pada baja AH36. Metode yang digunakan adalah eksperimen dengan rancangan faktorial 3×3, meliputi variasi tekanan 1, 2, dan 3 bar serta jarak penyemprotan 20, 30, dan 40 cm, dengan lima kali pengulangan pada setiap perlakuan (45 spesimen), data dianalisis menggunakan ANOVA. Hasil menunjukkan bahwa tekanan, jarak penyemprotan, dan interaksi keduanya berpengaruh signifikan terhadap ketebalan lapisan (p<0,05). Ketebalan tertinggi diperoleh pada tekanan 3 bar dan jarak 20 cm sebesar 47,22 µm, sedangkan ketebalan terendah pada tekanan 1 bar dan jarak 40 cm sebesar 15,61 µm. Kombinasi tekanan 2 bar dan jarak 30 cm menghasilkan ketebalan 24,60 µm yang paling mendekati standar Interplate® 317 sehingga direkomendasikan sebagai parameter aplikasi optimal.
Keywords:
tekanan penyemprotan, jarak nozzle, soft primer, ketebalan lapisan, baja AH36##plugins.themes.default.displayStats.downloads##
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