Lanthanum–Cerium Oxide as a Thermal Barrier‐Coating Material for High‐Temperature Applications | Zendy

Cao X. | Zendy; Vassen R. | Zendy; Fischer W. | Zendy; Tietz F. | Zendy; Jungen W. | Zendy; Stöver D. | Zendy

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Lanthanum–Cerium Oxide as a Thermal Barrier‐Coating Material for High‐Temperature Applications

Author(s) -

Cao X.,

Vassen R.,

Fischer W.,

Tietz F.,

Jungen W.,

Stöver D.

Publication year - 2003

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200304132

Subject(s) - materials science , thermal barrier coating , thermal expansion , yttria stabilized zirconia , temperature cycling , coating , thermal conductivity , lanthanum , cerium , oxide , composite material , cubic zirconia , annealing (glass) , thermal , ceramic , metallurgy , inorganic chemistry , chemistry , physics , meteorology

La 2 Ce 2 O 7 is proposed as a new material for thermal barrier coating that has a higher thermal expansion coefficient and a lower thermal conductivity than traditional coating materials. After long‐term annealing at 1400 °C, the crystal structure of La 2 Ce 2 O 7 was maintained (see Figure). Below 300 °C, thermal contraction occurs, and the material has a comparable thermal cycling life to yttria‐stabilized zirconia coatings.

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