HIGH-STRENGTH, HEAT-RESISTANT Ni-BASE ALLOY, METHOD FOR PRODUCING SAME, AND GAS TURBINE BLADE
US-2018179622-A1 · Jun 28, 2018 · US
Multicomponent alloy coating
US11624104B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11624104-B2 |
| Application number | US-201916422575-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 24, 2019 |
| Priority date | Dec 28, 2018 |
| Publication date | Apr 11, 2023 |
| Grant date | Apr 11, 2023 |
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- Title
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Abstract
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A multicomponent alloy coating is provided. The multicomponent alloy coating includes a hard layer and a plurality of nickel-based particles dispersed in the hard layer. The composition of the multicomponent alloy coating is represented by the following formula (I):AldCoeCrgFehNiiSijCkOm formula (I),wherein 1<d<2, 0.5<e<0.8, 2<g<3.2, 0.05<h<0.3, 2<i<3, j=1, k≥0, m≥0, and iron is present in the amount of less than 3 wt % of the composition of the multicomponent alloy coating.
First claim
Opening claim text (preview).
What is claimed is: 1. A multicomponent alloy coating, comprising: a hard layer; and a plurality of nickel-based particles dispersed in the hard layer, wherein the composition of the nickel-based particles comprises nickel, aluminum, carbon and oxygen, wherein aluminum is present in a trace amount to 0.25 wt % of the composition of the nickel-based particles, nickel is present in the amount of greater than 94 wt % of the composition of the nickel-based particles, and carbon is present in the amount of greater than 5 wt % of the composition of the nickel-based particles; and wherein the composition of the multicomponent alloy coating is represented by the following formula (I): Al d Co e Cr g Fe h Ni i Si j C k O m formula (I) wherein 1<d<2, 0.5<e<0.8, 2<g<3.2, 0.05<h<0.3, 2<i<3, j=1, k≥0, m≥0 in the formula (I), and iron is present in the amount of greater than 2 wt % and less than 3 wt % of the composition of the multicomponent alloy coating. 2. The multicomponent alloy coating according to claim 1 , wherein nickel is present in the amount of greater than 30 wt % of the composition of the multicomponent alloy coating. 3. The multicomponent alloy coating according to claim 1 , wherein aluminum is present in the amount of greater than 9 wt % of the composition of the multicomponent alloy coating. 4. The multicomponent alloy coating according to claim 1 , wherein 2.5<k<4 and 0.05<m<0.5. 5. The multicomponent alloy coating according to claim 1 , wherein carbon is present in the amount of greater than 0 wt % and less than 9 wt % of the composition of the multicomponent alloy coating. 6. The multicomponent alloy coating according to claim 1 , wherein oxygen is present in the amount of greater than 0 wt % and less than 9 wt % of the composition of the multicomponent alloy coating. 7. The multicomponent alloy coating according to claim 1 , wherein the composition of the multicomponent alloy coating comprises amorphous carbide. 8. The multicomponent alloy coating according to claim 1 , wherein a weight ratio of the hard layer with respect to the nickel-based particles is 65:35 to 90:10. 9. The multicomponent alloy coating according to claim 1 , wherein chromium is present in the amount of greater than 50 wt % of the composition of the hard layer. 10. The multicomponent alloy coating according to claim 1 , wherein the nickel-based particles are present in the amount of greater than 9 vol. % of the multicomponent alloy coating. 11. The multicomponent alloy coating according to claim 1 , wherein the multicomponent alloy coating has a porosity of 0.1%-2%.
Assignees
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Classifications
Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ · CPC title
- C22C32/0005Primary
with at least one oxide and at least one of carbides, nitrides, borides or silicides as the main non-metallic constituents · CPC title
- C22C19/05Primary
with chromium · CPC title
Alloys based on chromium · CPC title
Wire arc spraying · CPC title
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- What does patent US11624104B2 cover?
- A multicomponent alloy coating is provided. The multicomponent alloy coating includes a hard layer and a plurality of nickel-based particles dispersed in the hard layer. The composition of the multicomponent alloy coating is represented by the following formula (I):AldCoeCrgFehNiiSijCkOm formula (I),wherein 1<d<2, 0.5<e<0.8, 2<g<3.2, 0.05<h<0.3, 2<i<3, j=1, k≥0, m≥0, and iron is present in the…
- Who is the assignee on this patent?
- Ind Tech Res Inst
- What technology area does this patent fall under?
- Primary CPC classification C22C32/0005. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Apr 11 2023 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).