Damage Behavior of Air‐Plasma‐Sprayed Thermal Barrier Coatings under Foreign Object Impact | Zendy

Dericioglu A.F. | Zendy; Zhu S. | Zendy; Kagawa Y. | Zendy; Kasano H. | Zendy

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Damage Behavior of Air‐Plasma‐Sprayed Thermal Barrier Coatings under Foreign Object Impact

Author(s) -

Dericioglu A.F.,

Zhu S.,

Kagawa Y.,

Kasano H.

Publication year - 2003

Publication title -

advanced engineering materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 114

eISSN - 1527-2648

pISSN - 1438-1656

DOI - 10.1002/adem.200300386

Subject(s) - materials science , thermal barrier coating , projectile , composite material , coating , ceramic , thermal , plasma , cross section (physics) , deformation (meteorology) , forensic engineering , metallurgy , engineering , physics , quantum mechanics , meteorology

How do thermal barrier coatings react to the impact of a foreign object? The authors examined the damage done by a projectile to an air‐plasma‐sprayed coating system. Apart from permanent deformation, chipping of the ceramic top coat around the impression sites occurs at impact velocities above 150 m s –1 . At increasing impact speed, the cracks in the top coat tend to elongate and result in coating removal (see Figure for a cross‐section).

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