WO2025149187 - TWO-LAYER CERAMIC COATING SYSTEM AND CERAMIC POWDER
National phase entry is expected:
Publication Number
WO/2025/149187
Publication Date
17.07.2025
International Application No.
PCT/EP2024/073538
International Filing Date
22.08.2024
Title **
[English]
TWO-LAYER CERAMIC COATING SYSTEM AND CERAMIC POWDER
[French]
SYSTÈME DE REVÊTEMENT CÉRAMIQUE À DEUX COUCHES ET POUDRE CÉRAMIQUE
Applicants **
SIEMENS ENERGY GLOBAL GMBH & CO. KG
Inventors
FLORES RENTERIA, Arturo
WITZ, Gregoire
VAIDYA, Anirudha
SHARMA, Atin
ZOIS, Dimitrios
HITCHMAN, Neil
Priority Data
63/619,839
11.01.2024
US
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
| * | |
| Number of Office Actions | * |
| * | |
International Searching Authority |
EPO
* |
| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
* |
| Type of Assignment |
The Standard Agent's Assignment
* |
| Applicant's Legal Status |
Legal Entity
* |
| * | |
| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
* |
| Patent Delivery |
Send the Letters Patent by Courier
* |
| Translation |
|
* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1994 | |
| EPO | Filing, Examination, Granting | 8143 | |
| Japan | Filing, Examination, Granting | 2150 | |
| South Korea | Filing, Examination, Granting | 1982 | |
| USA | Filing, Examination, Granting | 9540 |
Total:
23,809
Contact Us
Abstract[English]
The invention relates to a layer system (1) at least comprising (in wt.%) a metallic substrate (4), optionally a metallic adhesion promoter layer (7) on the substrate (4), and a ceramic base layer (10) made of partially stabilized, tetragonal zirconia, comprising Yttrium oxide, Ytterbium oxide, and Gadolinium oxide as stabilizers as well as a ceramic top layer (13) made of fully stabilized cubic zirconia on the ceramic base layer (10), wherein the proportion of stabilizers is between 17.5% and 25.5%.[French]
L'invention concerne un système de couches (1) comprenant au moins (en % en poids) un substrat métallique (4), éventuellement une couche favorisant l'adhérence métallique (7) sur le substrat (4), et une couche de base en céramique (10) en zircone tétragonale partiellement stabilisée, comprenant de l'oxyde d'yttrium, de l'oxyde d'ytterbium et de l'oxyde de gadolinium en tant que stabilisants ainsi qu'une couche supérieure en céramique (13) constituée de zircone cubique entièrement stabilisée sur la couche de base en céramique (10), la proportion de stabilisants étant comprise entre 17,5 % et 25,5 %.