CN107974606A - A kind of corrosion-proof rare earth alloy and preparation method thereof - Google Patents
A kind of corrosion-proof rare earth alloy and preparation method thereof Download PDFInfo
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- CN107974606A CN107974606A CN201711211704.3A CN201711211704A CN107974606A CN 107974606 A CN107974606 A CN 107974606A CN 201711211704 A CN201711211704 A CN 201711211704A CN 107974606 A CN107974606 A CN 107974606A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/06—Alloys based on chromium
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Abstract
The present invention provides a kind of corrosion-proof rare earth alloy and preparation method thereof, is related to rare earth alloy field.Corrosion-proof rare earth alloy, including：The silicon of 1.8 ~ 2.5wt%, the sulphur of 0 ~ 0.03wt%, the chromium of 28 ~ 31wt%, the iron of 28 ~ 31wt%, the cobalt of 5 ~ 7wt%, the nickel of 20 ~ 26wt%, the copper of 2.5 ~ 4.0wt%, the molybdenum of 3.5 ~ 4.8wt%, 3.5 ~ 4.5 boron, the rare earth of the carbon of 0 ~ 0.15wt% and 0.01 ~ 0.2wt%.Have the characteristics that better tolerance, last a long time with it is environmentally protective.
Description
Technical field
The present invention relates to rare earth alloy field, and more particularly to a kind of corrosion-proof rare earth alloy and preparation method thereof.
Background technology
At present, existing anti-corrosive alloy material is in use, on the one hand, is difficult to meet that industrial machinery equips corrosion resistant
Lose the service life at position；On the other hand, in surface treatment process（Such as electrodeposit intimately processing etc.）Environment and the person are made
Into larger harm.
In view of this, the present invention is proposed.
The content of the invention
It is an object of the invention to provide a kind of corrosion resisting alloy, have better tolerance, last a long time with it is environmentally protective
Feature.
Another object of the present invention is to provide a kind of preparation method of corrosion resisting alloy, can it is quick, environmentally friendly and it is low into
The above-mentioned corrosion resisting alloy of this preparation.
The present invention is solved its technical problem and is realized using following technical scheme.
The present invention proposes a kind of corrosion-proof rare earth alloy, including：
The silicon of 1.8 ~ 2.5wt%, the sulphur of 0 ~ 0.03wt%, the chromium of 28 ~ 31wt%, the iron of 28 ~ 31wt%, the cobalt of 5 ~ 7wt%, 20 ~
The nickel of 26wt%, the copper of 2.5 ~ 4.0wt%, the molybdenum of 3.5 ~ 4.8wt%, 3.5 ~ 4.5 boron, the carbon of 0 ~ 0.15wt% and 0.01 ~
The rare earth of 0.2wt%.
Further, in present pre-ferred embodiments, corrosion-proof rare earth alloy, including：The silicon of 1.85 ~ 2.4wt%, 0 ~
The sulphur of 0.03wt%, the chromium of 29 ~ 31wt%, the iron of 28 ~ 31wt%, the cobalt of 5 ~ 7wt%, the nickel of 22 ~ 26wt%, 2.5 ~ 4.0wt% copper,
The molybdenum of 3.5 ~ 4.8wt%, the boron of 3.5 ~ 4.5wt%, the rare earth of the carbon of 0 ~ 0.15wt% and 0.01 ~ 0.2wt%.
Further, in present pre-ferred embodiments, corrosion-proof rare earth alloy, including：The silicon of 2.31wt%,
The sulphur of 0.01wt%, the chromium of 29.22wt%, the iron of 28.22wt%, the cobalt of 6wt%, 23wt% the nickel,
The copper of 3.16wt%, the molybdenum of 4.4wt%, the boron of 3.55wt%, 0.119wt% the carbon and 0.011wt% institute
State rare earth.
Further, in present pre-ferred embodiments, the hardness of the corrosion-proof rare earth alloy is 40 ~ 60HCR.
Further, in present pre-ferred embodiments, heat resisting temperature >=1150 DEG C of the corrosion-proof rare earth alloy.
Further, in present pre-ferred embodiments, above-mentioned corrosion-proof rare earth alloy is spherical powder.
The present invention provides a kind of preparation method of corrosion-proof rare earth alloy, including：
After silicon, sulphur, chromium, iron, cobalt, nickel, copper, molybdenum, carbon and rare earth are mixed, are refined to more than 1500 DEG C of temperature in 4 ~ 10h
It is cooled to below 200 DEG C of temperature.
Further, in present pre-ferred embodiments, refining is carried out in high temperature furnace.
Further, in present pre-ferred embodiments, be cooled to use high pressure water as cooling agent to refined products into
Row cooling.
Further, in present pre-ferred embodiments, the silicon of 1.8 ~ 2.5wt%, the sulphur of 0 ~ 0.03wt%, 28 ~ 31wt%
Chromium, the iron of 28 ~ 31wt%, the cobalt of 5 ~ 7wt%, the nickel of 20 ~ 26wt%, the copper of 2.5 ~ 4.0wt%, the molybdenum of 3.5 ~ 4.8wt%, 3.5 ~ 4.5
Boron, the carbon of 0 ~ 0.15wt% and the rare earth of 0.01 ~ 0.2wt%.
The beneficial effect of the embodiment of the present invention is：
The corrosion resisting alloy of the embodiment of the present invention, is made using silicon, sulphur, chromium, iron, cobalt, nickel, copper, molybdenum, carbon and rare earth as raw material.Tool
The characteristics of having better tolerance, lasting a long time and is environmentally protective.
The corrosion resisting alloy preparation method of the embodiment of the present invention, can quickly, environmental protection and low cost prepare it is above-mentioned corrosion-resistant
Alloy.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as
Restriction to scope, for those of ordinary skill in the art, without creative efforts, can also basis
These attached drawings obtain other relevant attached drawings.
Fig. 1 a are the product figure of corrosion resisting alloy provided in an embodiment of the present invention；
Fig. 1 b are the product enlarged drawing of corrosion resisting alloy provided in an embodiment of the present invention；
Fig. 2 is the X- diffracting spectrums of corrosion resisting alloy provided in an embodiment of the present invention；
Fig. 3 is the micro- microstructure of corrosion resisting alloy provided in an embodiment of the present invention；
Fig. 4 is the micro- microstructure of pattern of the corrosion resisting alloy provided in an embodiment of the present invention after chloroazotic acid corrodes.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer, is the conventional production that can be obtained by commercially available purchase
Product.
Corrosion-proof rare earth alloy of the embodiment of the present invention and preparation method thereof is specifically described below.
A kind of corrosion-proof rare earth alloy, includes the raw material of following proportioning：
The silicon of 1.8 ~ 2.5wt%, the sulphur of 0 ~ 0.03wt%, the chromium of 28 ~ 31wt%, the iron of 28 ~ 31wt%, the cobalt of 5 ~ 7wt%, 20 ~
The nickel of 26wt%, the copper of 2.5 ~ 4.0wt%, the molybdenum of 3.5 ~ 4.8wt%, 3.5 ~ 4.5 boron, the carbon of 0 ~ 0.15wt% and 0.01 ~
The rare earth of 0.2wt%.
Preferably, corrosion-proof rare earth alloy, include the raw material of following proportioning：
The silicon of 1.85 ~ 2.4wt%, the sulphur of 0 ~ 0.03wt%, the chromium of 29 ~ 31wt%, the iron of 28 ~ 31wt%, the cobalt of 5 ~ 7wt%, 22 ~
The nickel of 26wt%, the copper of 2.5 ~ 4.0wt%, the molybdenum of 3.5 ~ 4.8wt%, the boron of 3.5 ~ 4.5wt%, the carbon of 0 ~ 0.15wt% and 0.01 ~
The rare earth of 0.2wt%.
As further preferred, corrosion-proof rare earth alloy, include the raw material of following proportioning：The silicon of 2.31wt%,
The sulphur of 0.01wt%, the chromium of 29.22wt%, the iron of 28.22wt%, the cobalt of 6wt%, 23wt% the nickel,
The copper of 3.16wt%, the molybdenum of 4.4wt%, the boron of 3.55wt%, 0.119wt% the carbon and 0.011wt% institute
State rare earth.
Above-mentioned, to be prepared by above-mentioned raw materials proportioning corrosion resisting alloy is held, on the one hand with good machining property；
On the other hand, the hardness of corrosion-proof rare earth alloy is 40 ~ 60HCR, heat resisting temperature >=1150 DEG C of corrosion-proof rare earth alloy.
A kind of preparation method of above-mentioned corrosion-proof rare earth alloy, including：
According to the proportioning of various raw materials, silicon, sulphur, chromium, iron, cobalt, nickel, copper, molybdenum, carbon and rare earth are on the waiting list.
The silicon being on the waiting list, sulphur, chromium, iron, cobalt, nickel, copper, molybdenum, carbon and rare earth are mixed, obtain mixture.
Add mixture in high temperature furnace and be refined to more than 1500 DEG C of temperature in high temperature furnace, obtain refining production
Thing.
Cool down using high pressure water as cooling agent to refined products, be cooled in 4 ~ 10h 200 DEG C of temperature with
Under, to obtain the final product.
Hold above-mentioned, refer to Fig. 1 a and Fig. 1 b, be spherical powder by corrosion-proof rare earth alloy made from above-mentioned preparation method
End.
It is appreciated that compared with traditional anti-corrosive alloy material, which has the characteristics that：
1. preparation process need not be handled through chemical acid alkali, can so avoid causing environmental pollution and infringement workers ' health, meanwhile,
Preparation process is reduced so as to save production cost；
2. reduce the dosage of the Cr materials containing electrodeposit, so as to reduce production cost and the carcinogenic risk of Cr VI.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
According to following proportioning, it is on the waiting list respectively：The silicon of 2.31wt%, the sulphur of 0.01wt%, the chromium of 29.22wt%, 28.22wt% iron,
The cobalt of 6wt%, the nickel of 23wt%, the copper of 3.16wt%, the molybdenum of 4.4wt%, the boron of 3.55wt%, the carbon and 0.011wt% of 0.119wt%
Rare earth.
After the above raw material being on the waiting list is mixed, mixture is obtained.Add mixture in high temperature furnace and in high temperature furnace
It is refined to more than 1500 DEG C of temperature, obtains refined products.Cool down using high pressure water as cooling agent to refined products,
It is cooled in 7h below 200 DEG C of temperature, to obtain the final product.
X- diffraction analysis, microstructure analysis and the pattern point after chloroazotic acid corrodes are carried out to obtained corrosion resisting alloy
Analysis, its result are shown in Fig. 2, Fig. 3 and Fig. 4 respectively.
Embodiment 2
According to following proportioning, it is on the waiting list respectively：The silicon of 1.9wt%, the sulphur of 0.008wt%, the chromium of 29.5wt%, 25.983wt% iron,
The cobalt of 7.8wt%, the nickel of 22wt%, the copper of 4.5wt%, the molybdenum of 3.9wt%, the boron of 4.3wt%, the carbon of 0.09wt% and 0.019wt%
Rare earth.
After the above raw material being on the waiting list is mixed, mixture is obtained.Add mixture in high temperature furnace and in high temperature furnace
It is refined to more than 1500 DEG C of temperature, obtains refined products.Cool down using high pressure water as cooling agent to refined products,
It is cooled in 5h below 200 DEG C of temperature, to obtain the final product.
By obtained corrosion resisting alloy thermal spraying water electrolysis hydrogen production oxygen machine.The water electrolysis hydrogen production of the corrosion resisting alloy is not used
Oxygen machine component using the water electrolysis hydrogen production oxygen machine component of corrosion resisting alloy with having significant difference.
Embodiment 3
According to following proportioning, it is on the waiting list respectively：The silicon of 2.2wt%, the sulphur of 0.01wt%, the chromium of 29.0wt%, 29.62wt% iron,
The cobalt of 5.2wt%, the nickel of 22.954wt%, the copper of 3.12wt%, the molybdenum of 3.7wt%, the boron of 4.1wt%, 0.08wt% carbon and
The rare earth of 0.016wt%.
After the above raw material being on the waiting list is mixed, mixture is obtained.Add mixture in high temperature furnace and in high temperature furnace
It is refined to more than 1500 DEG C of temperature, obtains refined products.Cool down using high pressure water as cooling agent to refined products,
It is cooled in 6h below 200 DEG C of temperature, to obtain the final product.
Obtained corrosion resisting alloy is subjected to built-up welding.Carry out ultrasound detection to it, defect in no overlay cladding, without built-up welding stratum boundary
Planar defect and it is not associated with defect without overlay cladding.
In conclusion the corrosion resisting alloy of the embodiment of the present invention, with silicon, sulphur, chromium, iron, cobalt, nickel, copper, molybdenum, carbon and rare earth
It is made for raw material.Have the characteristics that better tolerance, last a long time with it is environmentally protective.
The corrosion resisting alloy preparation method of the embodiment of the present invention, can quickly, environmental protection and low cost prepare it is above-mentioned corrosion-resistant
Alloy.
Embodiments described above is part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
- A kind of 1. corrosion-proof rare earth alloy, it is characterised in that including：The silicon of 1.8 ~ 2.5wt%, the sulphur of 0 ~ 0.03wt%, 28 ~ The chromium of 31wt%, the iron of 28 ~ 31wt%, the cobalt of 5 ~ 7wt%, the nickel of 20 ~ 26wt%, the copper of 2.5 ~ 4.0wt%, 3.5 ~ 4.8wt% molybdenum, The rare earth of 3.5 ~ 4.5 boron, the carbon of 0 ~ 0.15wt% and 0.01 ~ 0.2wt%.
- 2. corrosion-proof rare earth alloy according to claim 1, it is characterised in that the silicon of 1.85 ~ 2.4wt%, 0 ~ The sulphur of 0.03wt%, the chromium of 29 ~ 31wt%, the iron of 28 ~ 31wt%, the cobalt of 5 ~ 7wt%, the institute of 22 ~ 26wt% State nickel, the copper of 2.5 ~ 4.0wt%, the molybdenum of 3.5 ~ 4.8wt%, the boron of 3.5 ~ 4.5wt%, 0 ~ 0.15wt% it is described The rare earth of carbon and 0.01 ~ 0.2wt%.
- 3. corrosion-proof rare earth alloy according to claim 1 or 2, it is characterised in that the silicon, the 0.01wt% of 2.31wt% The sulphur, the chromium of 29.22wt%, the iron of 28.22wt%, the cobalt of 6wt%, the nickel, the 3.16wt% of 23wt% The copper, the molybdenum of 4.4wt%, the boron of 3.55wt%, 0.119wt% the carbon and 0.011wt% the rare earth.
- 4. corrosion-proof rare earth alloy according to claim 1, it is characterised in that the hardness of the corrosion-proof rare earth alloy is 40~60HCR。
- 5. corrosion-proof rare earth alloy according to claim 1, it is characterised in that the heat-resisting temperature of the corrosion-proof rare earth alloy >=1150 DEG C of degree.
- 6. corrosion-proof rare earth alloy according to claim 1, it is characterised in that the corrosion-proof rare earth alloy is spherical powder End.
- A kind of 7. preparation method of corrosion-proof rare earth alloy, it is characterised in that including：By silicon, sulphur, chromium, iron, cobalt, nickel, copper, molybdenum, Carbon and rare earth mixing, be cooled to below 200 DEG C of temperature after being refined to more than 1500 DEG C of temperature in 4 ~ 10h.
- 8. the preparation method of corrosion-proof rare earth alloy according to claim 6, it is characterised in that refining is in high temperature furnace Carry out.
- 9. the preparation method of corrosion-proof rare earth alloy according to claim 6, it is characterised in that be cooled to use high pressure water Cool down as cooling agent to refined products.
- 10. according to the preparation method of claim 7 ~ 9 any one of them corrosion-proof rare earth alloy, it is characterised in that 1.8 ~ The silicon of 2.5wt%, the sulphur of 0 ~ 0.01wt%, the chromium of 28 ~ 31wt%, the iron of 28 ~ 31wt%, the institute of 5 ~ 7wt% State cobalt, the nickel of 20 ~ 26wt%, the copper of 2.5 ~ 4.0wt%, the molybdenum of 3.5 ~ 4.8wt%, 3.5 ~ 4.5 boron, 0 The rare earth of the carbon and 0.01 ~ 0.2wt% of ~ 0.15wt%.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527893A (en) * | 2019-10-09 | 2019-12-03 | 安徽包钢稀土永磁合金制造有限责任公司 | A kind of rare-earth alloy material and preparation method thereof |
| CN111690860A (en) * | 2020-07-15 | 2020-09-22 | 安徽包钢稀土永磁合金制造有限责任公司 | Antioxidant rare earth alloy material and preparation method thereof |
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| CN101490289A (en) * | 2006-06-29 | 2009-07-22 | L·E·琼斯公司 | Nickel-rich wear resistant alloy and method of making and use thereof |
| CA2688647A1 (en) * | 2009-12-16 | 2011-06-16 | Villares Metals S/A | Wear resistant alloy for high temperature applications |
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| CN101370951A (en) * | 2006-01-11 | 2009-02-18 | 住友金属工业株式会社 | Metal material having excellent metal dusting resistance |
| CN101490289A (en) * | 2006-06-29 | 2009-07-22 | L·E·琼斯公司 | Nickel-rich wear resistant alloy and method of making and use thereof |
| CA2688647A1 (en) * | 2009-12-16 | 2011-06-16 | Villares Metals S/A | Wear resistant alloy for high temperature applications |
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| CN110527893A (en) * | 2019-10-09 | 2019-12-03 | 安徽包钢稀土永磁合金制造有限责任公司 | A kind of rare-earth alloy material and preparation method thereof |
| CN111690860A (en) * | 2020-07-15 | 2020-09-22 | 安徽包钢稀土永磁合金制造有限责任公司 | Antioxidant rare earth alloy material and preparation method thereof |
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Application publication date: 20180501 |