Saefuloh, Iman and Setiawan, Ipick and Sunardi, Sunardi and Jannah, Miftahul and Lusiani, Rina (2021) PENGARUH TEMPERATUR PELAPISAN DAN KEKASARAN PERMUKAAN TERHADAP LAJU KOROSI LAPISAN ELECTROLESS NI-P BAJA KARBON RENDAH ASTM A36. Jurnal Dinamika Vokasional Teknik Mesin, 6 (2). pp. 158-165. ISSN ISSN 2548-7590 (media online) ISSN 2598-392X (media cetak)

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Abstract

The use of ASTM A36 low carbon steel as the building material for the construction of modified pipes and tanks using the Electroless Ni-P coating process. This process aims to improve the properties that the ASTM A36 steel plate must have from its corrosion resistance. With variations in the effect of coating temperature and surface roughness and by the addition of the heat treatment process, the characteristics of the electroless Ni-P layer are in the form of corrosion rates, hardness, microstructure and percentage of nickel content analyzed. With a surface variation of 0.28 μm, 0.15 μm and 0.07 μm and a coating temperature variation of 60º C, 70º C and 80º C and with the addition of a heat treatment of 500º C for 120 minutes. The test results show that the more rough the surface and the higher the coating temperature causes the layer to have a better corrosion resistance value. The heat treatment process of 500º C for 120 minutes significantly increases the corrosion resistance value but cannot significantly increase the rockwell hardness test in the range of 70-80 HRB.

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