XPS and AES investigation of two electroless composite coatings

Abstract The morphology and composition of the Ni–P–SiO 2 and Ni–P–CeO 2 electroless composite coatings were investigated by SEM, XPS, and AES. The surfaces of the coatings are homogeneous, polished, and with strong corrosion resistance. For the Ni–P–SiO 2 coating, the atomic percentages are Ni: 74.6%, P: 12.4%, Si: 2.77%, Fe: 2.32%, and O: 6.65%, and the compositions are Ni–P: 93.5%, SiO 2 : 3.27%, FeO: 1.56%, and Fe: 1.33%.