The Effect of Al-Zn Composition and Immersion Time in The Galvalume Process on Low Carbon Steel Microstructure,Mechanical Properties, and Corrosion Rate

Penulis

  • Iskandar Muda Universitas Jenderal Achmad Yani
  • Pradoto Ambardi Universitas Jenderal Achmad Yani
  • Martijanti Universitas Jenderal Achmad Yani
  • Kiki Fadlurahman Universitas Jenderal Achmad Yani

DOI:

https://doi.org/10.55893/jt.vol23no2.638

Kata Kunci:

Hot Dip Galvalume, Al-Zn, Low Carbon Steel, Thickness Hardness, Corrosion Rate

Abstrak

Pengaruh komposisi Al-Zn dan lama masa tahan terhadap tebal, pembentukan struktur lapisan, sifat mekanik dan ketahanan korosi selama proses galvalume celup panas pada baja karbon rendah telah dilakukan. Baja karbon rendah yang digunakan dengan komposisi kimia 0,01-0,25% karbon. Parameter yang digunakan adalah Al55%-Zn45%, Al60%-Zn40%, dan Al65%-Zn35%. Variasi waktu perendaman yang digunakan adalah 10 detik, 20 detik, dan 30 detik. Sampel kemudian diuji meliputi pengujian mikro Vickers, ketebalan lapisan, metalografi dengan mikroskop optik, Scanning Electron Microscope (SEM/EDS), difraksi sinar-X (XRD), dan uji potensial dinamik. Nilai kekerasan lapisan tertinggi yang diperoleh dari hasil pengujian pada variasi komposisi Al55%-Zn45% dengan lama holding time 30 detik adalah 208,20 HV. Nilai kekerasan lapisan terendah yang diperoleh dari hasil pengujian pada variasi komposisi Al65%-Zn35% dengan waktu tahan tahan 10 detik adalah 172,16 HV. Nilai ketebalan lapisan terendah pada waktu tahan perendaman 10 detik adalah 342,0 mikrometer. Nilai ketebalan lapisan tertinggi pada waktu tahan perendaman 30 detik adalah 1358,0 mikrometer. Kisaran laju korosinya adalah 2,097-4,69 mpy.

Biografi Penulis

  • Iskandar Muda, Universitas Jenderal Achmad Yani

    Program Studi Teknik Metalurgi

  • Pradoto Ambardi, Universitas Jenderal Achmad Yani

    Program Studi Teknik Metalurgi

  • Martijanti, Universitas Jenderal Achmad Yani

    Program Studi Teknik Mesin

  • Kiki Fadlurahman, Universitas Jenderal Achmad Yani

    Program Studi Teknik Metalurgi

Referensi

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Diterbitkan

2025-01-21

Cara Mengutip

The Effect of Al-Zn Composition and Immersion Time in The Galvalume Process on Low Carbon Steel Microstructure,Mechanical Properties, and Corrosion Rate. (2025). Jurnal Teknik: Media Pengembangan Ilmu Dan Aplikasi Teknik, 23(2), 166-178. https://doi.org/10.55893/jt.vol23no2.638

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