Research Article

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

Figure 2

Surface macrographs for the as-coated ASTM-SA210 Grade A-1 boiler steel. (a) Nanostructured TiAlN coating, (b) nanostructured AlCrN coating, (c) conventional TiAlN coating, and (d) conventional AlCrN coating.
231035.fig.002a
(a)
231035.fig.002b
(b)
231035.fig.002c
(c)
231035.fig.002d
(d)