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Chromium-aluminum binary alloy having excellent corrosion resistance and method of manufacturing thereof
US10808307B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10808307-B2 |
| Application number | US-201715610533-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 31, 2017 |
| Priority date | Oct 20, 2014 |
| Publication date | Oct 20, 2020 |
| Grant date | Oct 20, 2020 |
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Abstract
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The present disclosure relates to a chromium-aluminum binary alloy with excellent corrosion resistance and a method of producing the same, and more particularly to a chromium-aluminum binary alloy with excellent corrosion resistance. The chromium-aluminum binary alloy may be easily produced and has ductility, thus being highly applicable as a coating material for a material requiring high-temperature corrosion resistance and wear resistance.
First claim
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What is claimed is: 1. A method of producing a chromium-aluminum binary alloy with corrosion resistance, the method comprising: Step 1—mixing and melting a raw material at a temperature of 1400° C. to 1800° C., said raw material comprising: 6 to 18% by weight of aluminum (Al), the balance of chromium (Cr), and other unavoidable impurities with respect to a total weight of the alloy; and Step 2—solution treating the alloy melted in Step 1 at a temperature of 950° C. to 1200° C. 2. The method according to claim 1 , wherein the chromium-aluminum binary alloy has a hardness of 250-450 Hv. 3. The method of claim 1 , wherein the raw material comprises 10 to 18% by weight of aluminum. 4. The method according to claim 1 , wherein the chromium-aluminum binary alloy is used for a material for components of a nuclear plant, or structural material used in thermal power plant, air craft engine or a gas turbine. 5. The method according to claim 1 , wherein the chromium-aluminum binary alloy is used for a surface coating material for a metal material. 6. The method of claim 1 , wherein the solution treating of Step 2 is performed at a temperature of 1000° C. to 1200° C. 7. The method of claim 1 , wherein the solution treating of Step 2 is performed at a temperature of 1050° C. to 1200° C.
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- What does patent US10808307B2 cover?
- The present disclosure relates to a chromium-aluminum binary alloy with excellent corrosion resistance and a method of producing the same, and more particularly to a chromium-aluminum binary alloy with excellent corrosion resistance. The chromium-aluminum binary alloy may be easily produced and has ductility, thus being highly applicable as a coating material for a material requiring high-tempe…
- Who is the assignee on this patent?
- Korea Atomic Energy Res
- What technology area does this patent fall under?
- Primary CPC classification C22F1/11. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Oct 20 2020 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).