Einfluss betriebsnaher thermischer Belastung auf die Eigenschaften von Y2O3-teilstabilisierten ZrO2-Waermedaemmschichten

Kh G. Schmitt-Thomas; P. Steppe

Einfluss betriebsnaher thermischer Belastung auf die Eigenschaften von Y₂O₃-teilstabilisierten ZrO₂-Waermedaemmschichten

Translated title of the contribution: Influence of close to practice thermal loads on the properties of thermal barrier layers of ZrO₂ partially stabilized with Y₂O₃

Kh G. Schmitt-Thomas, P. Steppe

Medicine and Health

Technical University of Munich

Research output: Contribution to journal › Article › peer-review

Abstract

The use of plasma sprayed thermal barrier coatings offers the possibility to protect thermally stressed components in engines against overstressing. A suitable material for that is Y₂O₃-partially stabilized zirconium oxide. Considering the high temperatures as they occur in use the thermal barrier coatings were examined for their resistance concerning phase composition, porosity, hardness and structure. It turned out that changes in structure lead to a considerable increase of porosity and thus to a decline of hardness. Concerning the phase composition there was only a slight change after heat treatment in favor of monoclinic and cubic modification.

Translated title of the contribution	Influence of close to practice thermal loads on the properties of thermal barrier layers of ZrO₂ partially stabilized with Y₂O₃
Original language	German
Pages (from-to)	488-494
Number of pages	7
Journal	Materials and Corrosion
Volume	40
Issue number	8
State	Published - Aug 1989

Cite this

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title = "Einfluss betriebsnaher thermischer Belastung auf die Eigenschaften von Y2O3-teilstabilisierten ZrO2-Waermedaemmschichten",

abstract = "The use of plasma sprayed thermal barrier coatings offers the possibility to protect thermally stressed components in engines against overstressing. A suitable material for that is Y2O3-partially stabilized zirconium oxide. Considering the high temperatures as they occur in use the thermal barrier coatings were examined for their resistance concerning phase composition, porosity, hardness and structure. It turned out that changes in structure lead to a considerable increase of porosity and thus to a decline of hardness. Concerning the phase composition there was only a slight change after heat treatment in favor of monoclinic and cubic modification.",

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N2 - The use of plasma sprayed thermal barrier coatings offers the possibility to protect thermally stressed components in engines against overstressing. A suitable material for that is Y2O3-partially stabilized zirconium oxide. Considering the high temperatures as they occur in use the thermal barrier coatings were examined for their resistance concerning phase composition, porosity, hardness and structure. It turned out that changes in structure lead to a considerable increase of porosity and thus to a decline of hardness. Concerning the phase composition there was only a slight change after heat treatment in favor of monoclinic and cubic modification.

AB - The use of plasma sprayed thermal barrier coatings offers the possibility to protect thermally stressed components in engines against overstressing. A suitable material for that is Y2O3-partially stabilized zirconium oxide. Considering the high temperatures as they occur in use the thermal barrier coatings were examined for their resistance concerning phase composition, porosity, hardness and structure. It turned out that changes in structure lead to a considerable increase of porosity and thus to a decline of hardness. Concerning the phase composition there was only a slight change after heat treatment in favor of monoclinic and cubic modification.

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JO - Materials and Corrosion

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ER -

Einfluss betriebsnaher thermischer Belastung auf die Eigenschaften von Y₂O₃-teilstabilisierten ZrO₂-Waermedaemmschichten

Abstract

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