Abradable seal and method for forming an abradable seal
US-2016084102-A1 · Mar 24, 2016 · US
Thermal barrier coating film, turbine member, and thermal barrier coating method
US10947615B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10947615-B2 |
| Application number | US-201716311324-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 13, 2017 |
| Priority date | Oct 6, 2016 |
| Publication date | Mar 16, 2021 |
| Grant date | Mar 16, 2021 |
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- Title
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Abstract
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A thermal barrier coating film includes a bond coat layer that is a metallic bond layer formed on a base material; a topcoat layer that is a ceramic-containing layer formed on the bond coat layer; and at least one of a protective layer and a protective substance. The protective layer is formed on the topcoat layer and mainly contains SrSO4. The protective substance is provided in a plurality of void spaces included in the topcoat layer and mainly contains SrSO4.
First claim
Opening claim text (preview).
The invention claimed is: 1. A thermal barrier coating film comprising: a bond coat layer that is a metallic bond layer formed on a base material; a topcoat layer that is a ceramic-containing layer formed on the bond coat layer; and at least one of a protective layer formed on the topcoat layer and mainly containing SrSO 4 and a protective substance provided in the interior of a plurality of void spaces included in the topcoat layer, the protective substance mainly containing SrSO 4 . 2. The thermal barrier coating film according to claim 1 , wherein the thermal barrier coating film includes the protective substance out of the protective layer and the protective substance. 3. The thermal barrier coating film according to claim 2 , wherein the topcoat layer is a dense vertically cracked coat layer and has the protective substance in the interior of cracks in the dense vertically cracked coat layer. 4. A turbine member comprising the thermal barrier coating film according to claim 1 on a surface thereof. 5. A thermal barrier coating method for producing the thermal barrier coating film according to claim 1 , comprising: forming, on a base material, a bond coat layer that is a metallic bond layer; forming, on the bond coat layer, a topcoat layer that is a ceramic-containing layer; and forming, on the topcoat layer, a protective layer that mainly contains SrSO 4 . 6. A thermal barrier coating method for producing the thermal barrier coating film according to claim 1 , comprising: forming, on a base material, a bond coat layer that is a metallic bond layer; forming, on the bond coat layer, a topcoat layer that is a ceramic-containing layer having a plurality of void spaces; and injecting, in the interior of the void spaces in the topcoat layer, a protective substance that mainly contains SrSO 4 . 7. The thermal barrier coating film according to claim 1 , wherein the thermal barrier coating film includes the protective layer out of the protective layer and the protective substance. 8. The thermal barrier coating film according to claim 7 , wherein the topcoat layer has a plurality of void spaces. 9. The thermal barrier coating film according to claim 8 , wherein the topcoat layer is a dense vertically cracked coat layer. 10. The thermal barrier coating film according to claim 7 , wherein the protective layer has a porosity of 0.1% to 5%.
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Classifications
at least one MCrAlX layer · CPC title
Form or construction (selecting particular materials, measures against erosion or corrosion F01D5/28) · CPC title
- C23C4/18Primary
After-treatment · CPC title
- C23C4/11Primary
Oxides · CPC title
Selecting particular materials; {Particular measures relating thereto;} Measures against erosion or corrosion · CPC title
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- What does patent US10947615B2 cover?
- A thermal barrier coating film includes a bond coat layer that is a metallic bond layer formed on a base material; a topcoat layer that is a ceramic-containing layer formed on the bond coat layer; and at least one of a protective layer and a protective substance. The protective layer is formed on the topcoat layer and mainly contains SrSO4. The protective substance is provided in a plurality of…
- Who is the assignee on this patent?
- Mitsubishi Heavy Ind Ltd
- What technology area does this patent fall under?
- Primary CPC classification C23C4/18. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Mar 16 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).