Erosion–corrosion resistance of electroplated Co-Pd film on 316L stainless steel in a hot sulfuric acid slurry environment

Electrodeposition of a Pd-Ni/TiO2 Composite Coating on 316L SS and Its Corrosion Behavior in Hot Sulfuric Acid Solution

“…In comparison, the corrosion potentials of the coated samples significantly increase and turn positive in the anodic passivation domain. Thus, the stable passivation of the substrate is achieved by the anodic polarization effect of coatings [1,6], which is in agreement with information from the OCP measurements. In addition, the deposited coatings can provide a protective barrier layer for the 316L SS substrate owing to the good corrosion resistance of coating itself.…”

“…For the coated samples, the time constant at the higher frequency is related to the charge transfer process through the interface, whereas the low-frequency region is concerned with simultaneous physicochemical phenomena at the solution/electrode interface [35]. The equivalent circuit model exhibited in Figure 10c is employed to explain the corrosion behavior of the coated samples [6]. In this case, R s is the solution resistance; Q dl and R ct represents the double-layer capacitance and the charge transfer resistance, respectively; whereas Q c and R c correspond to the capacitance and resistance of the electrochemical reaction at the interface, respectively.…”

“…Electrodeposition is a conventional technique to obtain thin coatings to modify stainless steel surface. Palladium [1,4,5] and its alloys, such as Pd-Co [6], Pd-Cr [7], Pd-Ni/Pd-Cu [8], and Pd-Ni-W [9] have modified surface of stainless steel by electroplating or electroless plating on stainless steel to obtain excellent corrosion resistance in hot sulfuric acid solutions or acetic and formic acid mixtures. Because Pd-based coating increases galvanic potential of coated stainless steel, galvanic coupling can be advantageously used to promote passivation of stainless steel in corrosive media [4].…”

Deposition of Al2O3 ceramic film on copper‐based heterostructured coatings by aluminizing process: Study of the electrochemical responses and corrosion mechanism of the coating

“…These advantages include the uniform distribution of reinforcing particles, deposition at low temperatures, high coating rates, unlimited shape and size, no need for industrial equipment and minimum energy losses . In order to produce composite coatings by the electroplating method, the reduced metal ions are precipitated simultaneously with ceramic or organic particles on the substrate which result in special properties such as high corrosion resistance …”

Improved corrosion inhibition of 3-amino-1,2,4-triazole on mild steel electrode in HCl solution using surface nanocrystallization

“…Fatigue fracture, wear and corrosion are important examples of engineering failures which are very sensitive to the properties of the material's surface [1,2]. There are different methods for improvement of surface performance, including electroplating [3], electroless plating [4], organic coatings [5], anodic oxidation [6], hot dipping [7], thermal spraying [8], diamond-like coatings (DLCs) [9], laser surface engineering [10] and surface nanocrystallization (SNC) [11,12]. Among these methods, SNC has attracted considerable scientific attention in recent decades.…”