CN100413997C - Production of high-corrosive-resisting and nickel-based perfect amorphous alloy coating - Google Patents
Production of high-corrosive-resisting and nickel-based perfect amorphous alloy coating Download PDFInfo
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- CN100413997C CN100413997C CNB2005100463409A CN200510046340A CN100413997C CN 100413997 C CN100413997 C CN 100413997C CN B2005100463409 A CNB2005100463409 A CN B2005100463409A CN 200510046340 A CN200510046340 A CN 200510046340A CN 100413997 C CN100413997 C CN 100413997C
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- amorphous
- amorphous alloy
- alloy coating
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- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 31
- 238000000576 coating method Methods 0.000 title claims description 41
- 239000011248 coating agent Substances 0.000 title claims description 39
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title abstract 5
- 229910052759 nickel Inorganic materials 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 21
- 239000000956 alloy Substances 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000002360 preparation method Methods 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 3
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 238000007773 kinetic metallization Methods 0.000 claims description 17
- 238000005260 corrosion Methods 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 15
- 238000009689 gas atomisation Methods 0.000 claims description 7
- 239000001307 helium Substances 0.000 claims description 4
- 229910052734 helium Inorganic materials 0.000 claims description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical group [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 239000011247 coating layer Substances 0.000 abstract 3
- 239000011261 inert gas Substances 0.000 abstract 2
- 239000005300 metallic glass Substances 0.000 description 9
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000005275 alloying Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000007496 glass forming Methods 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910020637 Co-Cu Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- Coating By Spraying Or Casting (AREA)
Abstract
The present invention relates to a preparation method for high-corrosive-resisting nickel-based full-amorphous alloy coating layers. The present invention is characterized in that amorphous alloy powder is used as raw materials and a full-amorphous alloy coating layer is made by adopting a dynamic metal spraying technique; the amorphous alloy powder is composed of the following elements and unavoidable impurities, which have the quality percentages of 26 to 28% of Nb, 5 to 8% of Ti, 9 to 11% of Zr, 4 to 6% of Co, 2 to 4% of Cu and the rest of Ni. In the process of preparing the amorphous alloy coating layer by the dynamic metal spraying method, inert gas is used as powder feeding gas and powder accelerating gas, and the temperature T of the inert gas is from 500 to 750K; powder feeding pressure is from 50 to 100 psi. The present invention has good application prospects and provides a potential method and concept for the application of the excellent performance of amorphous alloys.
Description
Technical field:
The present invention relates to the Ni base noncrystal alloy, a kind of method for preparing complete amorphous alloy coating is provided especially, and the thinking that makes the excellent properties of non-crystaline amorphous metal be able in industry, use.
Background technology:
Since non-crystaline amorphous metal is found, because its particular structure and performance have caused people's very big concern.Especially since the nineties in 20th century,, all the more so owing to large block amorphous appearance with high glass forming ability.But work hardening, takes place, and starting of single shear zone can be taken place as crystal boundary and dislocation owing to there is not lattice defect in non-crystaline amorphous metal unlike conventional alloys when distortion, brittle rupture just takes place when not reaching yield strength, causes catastrophic inefficacy.Like this, non-crystaline amorphous metal is restricted as the application of structured material, and therefore, non-crystaline amorphous metal should be the research direction of tool prospect as the application of coating.In addition, discover that many non-crystaline amorphous metal systems have good wear and corrosion behavior, this has also supported the possibility of non-crystaline amorphous metal as surface applications.In recent years, people mainly prepare amorphous alloy coating with the method such as the supersonic spray coating of thermospray.But in thermal spray process, always crystallization and oxidation take place, therefore, be difficult to the complete amorphous coating of preparation, thereby reduced the corrosion resisting property of corresponding non-crystaline amorphous metal, application prospect is restricted.
Summary of the invention:
The object of the present invention is to provide a kind of Ni-based complete amorphous alloy coating and technology of preparing thereof of high anti-corrosion, this coating has high solidity to corrosion in strong corrosive medium, its technology of preparing application prospect is extensive, can provide a kind of good method and thinking for preparing complete amorphous alloy coating.
The invention provides a kind of preparation method of Ni-based complete amorphous alloy coating of high anti-corrosion, it is characterized in that: be raw material with the amorphous powdered alloy, adopt the kinetic metallization technology to make complete amorphous coating;
Described amorphous powdered alloy is made up of following element and unavoidable impurities, mass percent:
Nb 26～28；
Zr 9～11；
Co 4～6；
Cu 2～4；
The Ni surplus;
Described kinetic metallization method prepares in the amorphous alloy coating process, and as powder feeding gas and powder accelerating gas, the temperature T of rare gas element is 500～750K with rare gas element, and the powder feeding pressure P is 50～100psi.
Among the preparation method of the Ni-based complete amorphous alloy coating of high anti-corrosion of the present invention, described amorphous powdered alloy prepares with the gas atomization technology, granularity＜63 μ m.
Among the preparation method of the Ni-based complete amorphous alloy coating of high anti-corrosion of the present invention, described rare gas element is preferably helium.
The Ni-based complete amorphous alloy coating of the present invention, that has utilized that recent development gets up has high glass forming ability (～3mm) a Ni base large amorphous alloy composition.(the spray powders granularity is:＜25 μ m for Kinetic Metallization, KM) skill to have adopted the kinetic metallization that recent development gets up.Because do not have crystallization and oxidation, the complete non-crystal structure of powder to obtain keeping in spraying process, coating is complete amorphous alloy coating.
The kinetic metallization technology is the technology of the preparation supercoat that gets up of a kind of recent development; be characterized in that spraying temperature is low; dusty spray velocity of particle height; with helium as powder feeding gas and powder accelerating gas; thereby crystallization and oxidation have been avoided; therefore, it is a kind of good potential technology of the complete amorphous alloy coating of preparation.We utilize the gas atomization technology to prepare amorphous powdered alloy, and the method with kinetic metallization prepares complete amorphous alloy coating then, and make full use of the large block amorphous composition with high anti-corrosion, developing industry amorphous alloy coating.
Description of drawings:
Accompanying drawing 2 is the X-ray diffraction and transmission electron microscope (TEM) result of the coating of kinetic metallization (KM) preparation;
Accompanying drawing 3 is the cross section of coating micro-(OM) figure;
Accompanying drawing 4 is that coating is at 1kmol/m
3Polarization curve in the HCl aqueous solution.
Accompanying drawing 5 is coating and other several non-crystaline amorphous metals and chromium, and 304 stainless steels are at 6kmol/m
3Erosion rate in the HCl aqueous solution.
Embodiment:
At first make mother alloy by required composition with the method for vacuum induction melting, alloying constituent is Ni
46.99Nb
27.2Ti
7.1Zr
10.7Co
5.1Cu
2.91(wt.%), mother alloy is put into the atomizing stove, prepare amorphous powdered alloy by the gas atomization technology.Its X-ray diffraction and DSC result such as Fig. 1.Shown that by figure powder (＜63 μ m) is complete non-crystalline state, its crystallization temperature is about 826K.
Embodiment 2
Adopt kinetic metallization (KM) prepared amorphous alloy coating, the spray powders granularity is:＜25 μ m.This technology spraying temperature is low, with helium as powder feeding gas and powder accelerating gas (T :～750k, P:50psi).The X-ray diffraction of coating, transmission electron microscope (TEM) and micro-(OM) result in cross section such as Fig. 2,3.Show that by figure coating is complete amorphous coating.Coating structure is comparatively fine and close, and voidage is low.
Survey coating at 1kmol/m with electrochemical method
3Corrosive nature in the HCl aqueous solution, its polarization curve such as Fig. 4.And contrast with corresponding amorphous ribbon, electrodeposited chromium and stainless steel (1Cr18Ni9Ti) sample.As seen from the figure, coating has in this solution between low passivation current density and wide passivation region, is indicating high solidity to corrosion, and its solidity to corrosion is than amorphous ribbon elementary errors, and is well more a lot of than electrodeposited chromium and stainless steel.Survey coating at 6kmol/m with weight-loss method
3Erosion rate in the HCl aqueous solution, and based bulk amorphous with zirconium, Fe-based amorphous alloy, corresponding ni-based amorphous alloy, 304 stainless steels and chromium are made comparisons, as Fig. 5.The result shows, coating is almost the same with corresponding non-crystaline amorphous metal to have minimum erosion rate.
At first make mother alloy by required composition with the method for vacuum induction melting, alloying constituent is Ni
47.12Nb
26.9Ti
7.15Zr
10.8Co
5.14Cu
2.89(wt.%), mother alloy is put into the atomizing stove, prepare amorphous powdered alloy by the gas atomization technology.The complete amorphous alloy coating of employing kinetic metallization (KM) prepared (T :～700k, P:70psi).
At first make mother alloy by required composition with the method for vacuum induction melting, alloying constituent is Ni
47.32Nb
26.7Ti
7.22Zr
10.8Co
5.05Cu
2.91(wt.%), mother alloy is put into the atomizing stove, prepare amorphous powdered alloy by the gas atomization technology.The complete amorphous alloy coating of employing kinetic metallization (KM) prepared (T :～650k, P:90psi).
Claims (4)
1. the preparation method of the Ni-based complete amorphous alloy coating of a high anti-corrosion is characterized in that: be raw material with the amorphous powdered alloy, adopt the kinetic metallization technology to make complete amorphous coating;
Described amorphous powdered alloy is made up of following element and unavoidable impurities, mass percent:
Nb 26～28；
Ti 5～8；
Zr 9～11；
Co 4～6；
Cu 2～4；
The Ni surplus;
Described kinetic metallization method prepares in the amorphous alloy coating process, and as powder feeding gas and powder accelerating gas, the temperature T of rare gas element is 500～750K with rare gas element, and the powder feeding pressure P is 50～100psi.
2. according to the preparation method of the Ni-based complete amorphous alloy coating of the described high anti-corrosion of claim 1, it is characterized in that: described amorphous powdered alloy is with the preparation of gas atomization technology, granularity＜63 μ m.
3. according to the preparation method of the Ni-based complete amorphous alloy coating of the described high anti-corrosion of claim 1, it is characterized in that: described rare gas element is a helium.
4. according to the preparation method of the Ni-based complete amorphous alloy coating of the described high anti-corrosion of claim 1, it is characterized in that: described spraying is with the granularity＜25 μ m of amorphous powdered alloy.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100463409A CN100413997C (en) | 2005-04-29 | 2005-04-29 | Production of high-corrosive-resisting and nickel-based perfect amorphous alloy coating |
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|---|---|---|---|
| CNB2005100463409A CN100413997C (en) | 2005-04-29 | 2005-04-29 | Production of high-corrosive-resisting and nickel-based perfect amorphous alloy coating |
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|---|---|
| CN1854338A CN1854338A (en) | 2006-11-01 |
| CN100413997C true CN100413997C (en) | 2008-08-27 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2533982C2 (en) * | 2009-04-30 | 2014-11-27 | Шеврон Ю.Эс.Эй.Инк. | Processing of amorphous coating surface |
| CN104088590B (en) * | 2014-07-14 | 2016-02-24 | 铁岭米勒石油新材料有限公司 | A kind of oil pumping polish rod and processing technology |
| CN107012461A (en) * | 2017-05-11 | 2017-08-04 | 北京科技大学 | A kind of preparation method of high corrosion-resistant nickel-base alloy coating |
| CN114686793B (en) * | 2022-03-08 | 2023-05-19 | 辽宁石油化工大学 | High-compactness nickel-based completely amorphous coating and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004076157A (en) * | 2002-08-13 | 2004-03-11 | Howmet Research Corp | THERMAL SPRAYING METHOD FOR MCrAlX COATING |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004076157A (en) * | 2002-08-13 | 2004-03-11 | Howmet Research Corp | THERMAL SPRAYING METHOD FOR MCrAlX COATING |
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