Fig. 1. Flow chart of electroless Ni-P-PTFE composite coatings at different pH values.
Fig. 2. Surface morphology images of electroless Ni-P-PTFE composite coatings at different pH values; (a) 4.0, (b) 5.0, (c) 6.0, and (d) 7.0.
Fig. 3. EDS analysis of electroless Ni-P-PTFE composite coatings at different pH values.
Fig. 4. Cross-section morphology images of electroless Ni-P-PTFE composite coatings at different pH values; (a) 4.0, (b) 5.0, (c) 6.0, and (d) 7.0.
Fig. 5 XRD analysis of electroless Ni-P-PTFE composite coatings at different pH values; (a) 4.0, (b) 5.0, (c) 6.0, and (d) 7.0.
Fig. 6. Hardness of electroless Ni-P-PTFE composite coatings at different pH values.
Fig. 7. Potentiodynamic polarization curves of electroless Ni-P-PTFE composite coatings at different pH values.
Table. 1. Composition and procedure conditions of electroless Ni-P-PTFE composite bath.
Table. 2. Chemical composition (wt%) by the EDS analysis on Ni-P-PTFE composite coatings at different pH values.
Table. 3. Hardness values of electroless Ni-P-PTFE composite electrolyte at different pH values.
Table. 4. Results of tafel analysis of electroless Ni-P-PTFE composite electrolyte at different pH values.
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