CN104046850A - Cobalt-based high temperature alloy - Google Patents
Cobalt-based high temperature alloy Download PDFInfo
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- CN104046850A CN104046850A CN201410306397.7A CN201410306397A CN104046850A CN 104046850 A CN104046850 A CN 104046850A CN 201410306397 A CN201410306397 A CN 201410306397A CN 104046850 A CN104046850 A CN 104046850A
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- cobalt
- base superalloy
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- tantalum
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Abstract
The invention discloses a cobalt-based high temperature alloy. The cobalt-based high temperature alloy is composed of the following six metal components in percentage by weight: 59.9%-66.3% of cobalt, 9.8%-10.7% of nickel, 18.4%-20.3% of chromium, 3.6%-5.4% of tungsten, 1.2%-2.1% of tantalum, and 0.7%-1.6% of lanthanum. As the metal elements such as nickel, chromium, tungsten, tantalum and lanthanum are added to a cobalt-based alloy, the high temperature strength, hot corrosion resistance and oxidation resistance of the cobalt-based high temperature alloy are improved, the endurance strength and stability of the alloy are enhanced, and the quality of the cobalt-based high temperature alloy is improved.
Description
Technical field
The present invention relates to a kind of alloy, be specifically related to a kind of cobalt base superalloy.
Background technology
Cobalt base superalloy is a kind of in superalloy, and it is to using cobalt as main component, the alloyed metal that contains some other compositions.Different according to composition in alloy, they can make welding wire, and powder is for hard-face overlaying welding, and the techniques such as thermospray, surfacing, also can make forge piece and metallic sintered products.All there is very large defect at aspects such as hot strength, corrosion and heat resistant, oxidation-resistance, creep rupture strength, stability in the cobalt base superalloy using in existing market, cannot meet the user demand in market.
Summary of the invention
The object of the present invention is to provide and a kind ofly improve hot strength, corrosion and heat resistant and antioxidant property, improve creep rupture strength, promoted stability, improve the cobalt base superalloy of the quality of cobalt base superalloy.
Technical scheme of the present invention is, a kind of cobalt base superalloy, described cobalt base superalloy is combined by cobalt, nickel, chromium, tungsten, tantalum and six kinds of metal ingredients of lanthanum, in described cobalt base superalloy, the shared weight percent of each composition is respectively: described cobalt accounts for 59.9%-66.3%, described nickel accounts for 9.8%-10.7%, and described chromium accounts for 18.4%-20.3%, and described tungsten accounts for 3.6%-5.4%, described tantalum accounts for 1.2%-2.1%, and described lanthanum accounts for 0.7%-1.6%.
In a preferred embodiment of the present invention, in described cobalt base superalloy, the shared weight percent of each composition is specially: described cobalt accounts for 65.8%, and described nickel accounts for 9.9%, described chromium accounts for 18.5%, described tungsten accounts for 3.7%, and described tantalum accounts for 1.3%, and described lanthanum accounts for 0.8%.
In a preferred embodiment of the present invention, in described cobalt base superalloy, the shared weight percent of each composition is specially: described cobalt accounts for 60.5%, and described nickel accounts for 10.6%, described chromium accounts for 20.2%, described tungsten accounts for 5.3%, and described tantalum accounts for 1.9%, and described lanthanum accounts for 1.5%.
Of the present invention is a kind of cobalt base superalloy, by adding the metallic elements such as nickel, chromium, tungsten, tantalum and lanthanum take in the cobalt base alloy that cobalt is base, improve hot strength, corrosion and heat resistant and antioxidant property, improve creep rupture strength, promote stability, improved the quality of cobalt base superalloy.
Embodiment
Below preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Of the present invention is a kind of cobalt base superalloy, described cobalt base superalloy is combined by cobalt, nickel, chromium, tungsten, tantalum and six kinds of metal ingredients of lanthanum, in described cobalt base superalloy, the shared weight percent of each composition is respectively: described cobalt accounts for 59.9%-66.3%, described nickel accounts for 9.8%-10.7%, described chromium accounts for 18.4%-20.3%, described tungsten accounts for 3.6%-5.4%, and described tantalum accounts for 1.2%-2.1%, and described lanthanum accounts for 0.7%-1.6%.
Further, in described cobalt base superalloy, the shared weight percent of each composition is specially: described cobalt accounts for 65.8%, and described nickel accounts for 9.9%, and described chromium accounts for 18.5%, and described tungsten accounts for 3.7%, and described tantalum accounts for 1.3%, and described lanthanum accounts for 0.8%.
Further, in described cobalt base superalloy, the shared weight percent of each composition is specially: described cobalt accounts for 60.5%, and described nickel accounts for 10.6%, and described chromium accounts for 20.2%, and described tungsten accounts for 5.3%, and described tantalum accounts for 1.9%, and described lanthanum accounts for 1.5%.
In addition, can, by regulating the Different Weight per-cent of each composition in alloy, the alloy property obtaining just be differed.
Of the present invention is a kind of cobalt base superalloy, by adding the metallic elements such as nickel, chromium, tungsten, tantalum and lanthanum take in the cobalt base alloy that cobalt is base, improve hot strength, corrosion and heat resistant and antioxidant property, improve creep rupture strength, promote stability, improved the quality of cobalt base superalloy.
The foregoing is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; the variation that can expect without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (3)
1. a cobalt base superalloy, it is characterized in that: described cobalt base superalloy is combined by cobalt, nickel, chromium, tungsten, tantalum and six kinds of metal ingredients of lanthanum, in described cobalt base superalloy, the shared weight percent of each composition is respectively: described cobalt accounts for 59.9%-66.3%, described nickel accounts for 9.8%-10.7%, described chromium accounts for 18.4%-20.3%, described tungsten accounts for 3.6%-5.4%, and described tantalum accounts for 1.2%-2.1%, and described lanthanum accounts for 0.7%-1.6%.
2. cobalt base superalloy according to claim 1, it is characterized in that: in described cobalt base superalloy, the shared weight percent of each composition is specially: described cobalt accounts for 65.8%, described nickel accounts for 9.9%, described chromium accounts for 18.5%, described tungsten accounts for 3.7%, described tantalum accounts for 1.3%, and described lanthanum accounts for 0.8%.
3. cobalt base superalloy according to claim 1, it is characterized in that: in described cobalt base superalloy, the shared weight percent of each composition is specially: described cobalt accounts for 60.5%, described nickel accounts for 10.6%, described chromium accounts for 20.2%, described tungsten accounts for 5.3%, described tantalum accounts for 1.9%, and described lanthanum accounts for 1.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410306397.7A CN104046850A (en) | 2014-07-01 | 2014-07-01 | Cobalt-based high temperature alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410306397.7A CN104046850A (en) | 2014-07-01 | 2014-07-01 | Cobalt-based high temperature alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104046850A true CN104046850A (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410306397.7A Pending CN104046850A (en) | 2014-07-01 | 2014-07-01 | Cobalt-based high temperature alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104046850A (en) |
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2014
- 2014-07-01 CN CN201410306397.7A patent/CN104046850A/en active Pending
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Application publication date: 20140917 |