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Influence of Pt Addition and Manufacturing Process on the Failure Mechanisms of NiCoCrAlYTa-Base Thermal Barrier Coating Systems under Thermal Cycling Conditions

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Figure

Table 1. Superalloy composition. The Hf concentration of CMSX-4 superalloy was measured by glow discharge mass spectroscopy (GDMS) by Shiva Technology, as well as the sulfur content.
Table 2. Details on the geometry and manufacturing process of the three batches of thermal barrier  coating (TBC) systems
Figure 1. Cont.
Figure 1.  (a,b) As-processed surface of the Trib-Pt/2 coating on AM3 after heat treatment under  vacuum
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