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Hassany, Ibnu Rosyid Al
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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PENGARUH JARAK PELAPISAN PADA PROSES THERMAL SPRAY ALUMINIUN (TSA) TERHADAP KEKUATAN IKATAN COATING DAN KETEBALAN LAPISAN PADA BAJA AISI 1020 Ismail, Pitrah Rapi; Sri Hastuti; Catur Pramono; Nurhadi Nurhadi; Wibowo, Rheza Ari; Akhmad Nurdin; Hassany, Ibnu Rosyid Al; Bramono Pandu
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 1 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i1.275

Abstract

Thermal spray arc is a familiar coating method used around 100 years ago. This coating technique was chosen to reduce damage and improve the surface quality of materials with coating bonds that are in direct contact with extreme marine environments. The minimum thickness of the TSA coating is around 100 – 500 µm. According to NACE/AWS/SSPC, a coating layer submerged in seawater will lose 20 µm every year, for a minimum bond strength of 6.89 Mpa. The research aims to analyze the effect of coating distance on AISI 1020 steel. The tests carried out are dry film thickness, pull of adhesive, and bending tests. This research uses distance variations of 150 mm, 250 mm, 350 mm. The research results show that the use of distance has an effect on the bond strength of the layer and the substrate. The best bond strength and bending ability values ​​were found at a distance of 350 mm, with a coating strength of 10.81 Mpa and no bending cracks. Increasing distance variations in the thermal spray process increases bond strength and bending ability.
ANALISIS KEKUATAN TARIK DAN KEKERASAN BESI COR FC 250 DENGAN PENAMBAHAN 1% KROMIUM SEBAGAI MATERIAL BRAKE SHOE REM TROMOL Hassany, Ibnu Rosyid Al; Yoso, Sumeru; Ridwan, Muhammad Nasir Al
Teknika Vol 9 No 2 (2024): October 2024
Publisher : Pusat Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52561/teknika.v9i2.376

Abstract

Rem merupakan alat yang memiliki fungsi untuk menurunkan kecepatan atau menghentikan suatu kendaraan. Salah satu jenis rem ialah rem tromol dengan komponen utama tromol (brake drum), kampas rem (brake shoe). Besi cor FC 250 merupakan salah satu material yang digunakan brake shoe, dan pada praktiknya material tersebut kurang mampu menahan beban pengereman yang terjadi. Sehingga pada penelitian dilakukan studi penambahan kromium 1 % pada besi cor FC 250 sebagai upaya untuk meningkatkan kekuatan material tersebut. Bahan penelitian ialah FC 250 yang dicampur dengan kromium 1 %. Spesimen uji diproduksi dengan membuat cetakan pasir berbentuk Y block sesuai standar JIS G 5501. Hasil cor diproses sebagai spesimen uji komposisi, uji kekerasan, dan uji tarik. Spesimen uji tarik dibuat dengan merujuk pada standar JIS Z 2201. Target komposisi kromium pada spesimen hasil cor sekitar 1 %. Besi cor kelabu FC 250 dengan penambahan kromium 1 %, dikatakan layak digunakan sebagai material brake shoe apabila kuat tariknya minimal 357,5 N/mm2. Komposisi FC 250 + Cr 1% terdiri atas C = 3,37 %, Si = 1,84 %, Mn = 0,93 %, P = 0,19 %, S = 0,1%, dan Cr = 0,96%. Penambahan kromium 1 % pada besi cor FC 250 memberikan dampak pada kenaikan nilai kekerasan dan kuat tarik hingga 66,4% dan 38,3 %. Besi cor FC 250 + Cr 1% dapat digunakan sebagai alternatif material brake shoe rem tromol, karena nilai kuat tariknya lebih tinggi daripada tegangan maksimum yang terjadi pada brake shoe.
PENGARUH JARAK PELAPISAN PADA PROSES THERMAL SPRAY ALUMINIUN (TSA) TERHADAP KEKUATAN IKATAN COATING DAN KETEBALAN LAPISAN PADA BAJA AISI 1020 Ismail, Pitrah Rapi; Sri Hastuti; Catur Pramono; Nurhadi Nurhadi; Wibowo, Rheza Ari; Akhmad Nurdin; Hassany, Ibnu Rosyid Al; Bramono Pandu
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 1 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i1.275

Abstract

Thermal spray arc is a familiar coating method used around 100 years ago. This coating technique was chosen to reduce damage and improve the surface quality of materials with coating bonds that are in direct contact with extreme marine environments. The minimum thickness of the TSA coating is around 100 – 500 µm. According to NACE/AWS/SSPC, a coating layer submerged in seawater will lose 20 µm every year, for a minimum bond strength of 6.89 Mpa. The research aims to analyze the effect of coating distance on AISI 1020 steel. The tests carried out are dry film thickness, pull of adhesive, and bending tests. This research uses distance variations of 150 mm, 250 mm, 350 mm. The research results show that the use of distance has an effect on the bond strength of the layer and the substrate. The best bond strength and bending ability values ​​were found at a distance of 350 mm, with a coating strength of 10.81 Mpa and no bending cracks. Increasing distance variations in the thermal spray process increases bond strength and bending ability.
Co-Authors Bramono Pandu Catur Pramono Ida Ayu Putu Sri Widnyani Ismail, Pitrah Rapi Nurdin, Akhmad Nurhadi Nurhadi Ridwan, Muhammad Nasir Al Sri Hastuti Sumeru Yoso Wibowo, Rheza Ari