Electrochemical, Isotherm, and Material Strength Studies of Cucumeropsis mannii Shell Extract on A515 Grade 70 Carbon Steel in NaCl Solution

Figure 10

3D response surface plot showing (a) inhibitor concentration and immersion time, (b) load and immersion time, (c) load and inhibitor concentration, (d) immersion time and temperature, (e) inhibitor concentration and temperature, and (f) load and temperature influence on hardness.

(a)

(b)

(c)

(d)

(e)

(f)