Microstructural Characteristics and Mechanical Properties of Nanostructured and Conventional TiAlN and AlCrN Coatings on ASTM-SA210 Grade A-1 Boiler Steel

Table 2

Summary of nanostructured thin coatings’ deposition parameters.

Coating parameters	Nanostructured TiAlN	Nanostructured AlCrN
Machine used	Standard balzers rapid coating system (RCS) machine	Standard balzers rapid coating system (RCS) machine
Made in	Oerlikon Balzers, Swiss	Oerlikon Balzers, Swiss
Targets composition	Ti, Ti50Al50	Al70Cr30
Number of targets	Ti (02), Ti50Al50 (04)	Al70Cr30 (06)
Targets power	3.5 KW	3.5 KW
Reactive gas	Nitrogen	Nitrogen
Deposition pressure	3.5 Pa	3.5 Pa
Substrate bias voltage	−40 V to −170 V	−40 V to −170 V
Coating thickness	4 𝜇m ± 1 𝜇m	4 𝜇m ± 1 𝜇m