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Self-healing thermal barrier coating systems fabricated by spark plasma sintering

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Academic year: 2021

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Figure

Fig. 2. Diffraction pattern of encapsulated MoSi 2 based particles alloyed with 2 wt% B and
Fig. 4 . One can observe that the lowest value for D pertains to α- α-Al 2 O 3 which motivated the choice to deposit such oxide as a
Fig. 8 (a) shows a crack that propagated through the protective shell and the particle, leaving it unprotected against oxidation
Fig. 6. Evolution of damaging during thermal cycling at 1100 °C of a complete self-healing TBC system made by spark plasma sintering of a mixture of YPSZ powder and 10 vol% encapsulated MoSi 2 (B) based particles sintered on a NiCrAlY coated substrate.
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