Research Article

Direct Laser Cladding of Cobalt on Ti-6Al-4V with a Compositionally Graded Interface

Table 2

Corrosion behavior of the dissimilar interface in a 3.56 wt.% NaCl solution.

Sample history mV (SCE)Corrosion rate (mm/year)

Ti-6Al-4V13001.07 × 10−3
Interface of cobalt clad on titanium without copper interlayer4372.43 ×10−3
Interface of cobalt clad on titanium with a 30 mm copper interlayer7001.26 × 10−3