Research Article

Process Heating and Postannealing Effects on Microstructure and Hardness of the Sputtered Ni-P-Al Coatings

Table 1

Surface roughness of the Ni-P-Al coatings under various process and postheat treatments.

TreatmentsTemperature (°C)
500550600

PostAnnealing0.51.43.2
Process Heating4.56.522.5

*Ra unit: nm.