CN107988540A - A kind of wear-resisting rare earth alloy and preparation method thereof - Google Patents
A kind of wear-resisting rare earth alloy and preparation method thereof Download PDFInfo
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- CN107988540A CN107988540A CN201711245200.3A CN201711245200A CN107988540A CN 107988540 A CN107988540 A CN 107988540A CN 201711245200 A CN201711245200 A CN 201711245200A CN 107988540 A CN107988540 A CN 107988540A
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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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- 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
- C22C30/00—Alloys containing less than 50% by weight of each constituent
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Abstract
The present invention provides a kind of wear-resisting rare earth alloy and preparation method thereof, is related to rare earth alloy field.Wear-resisting rare earth alloy, including：The silicon of 1.8 ~ 2.0wt%, the sulphur of 0 ~ 0.1wt%, the chromium of 45 ~ 55wt%, the iron of 30 ~ 45wt%, the nickel of 1.0 ~ 2.0wt%, the molybdenum of 0.01 ~ 3.0wt%, 6.0 ~ 7.5 boron, the rare earth of the carbon of 0 ~ 2.0wt% 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 wear-resisting rare earth alloy and preparation method thereof.
Background technology
At present, existing wear-resisting rare-earth alloy material is in use, on the one hand, is difficult to meet that industrial machinery equipment is resistance to
Grind 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 wear-resisting rare earth alloy, have better tolerance, last a long time with it is environmentally protective
The characteristics of.
, can be quick, environmentally friendly and low another object of the present invention is to provide a kind of preparation method of wear-resisting rare earth alloy
Cost prepares above-mentioned wear-resisting rare earth alloy.
The present invention is solved its technical problem and is realized using following technical scheme.
The present invention proposes a kind of wear-resisting rare earth alloy, including：
The silicon of 1.8 ~ 2.0wt%, the sulphur of 0 ~ 0.1wt%, the chromium of 45 ~ 55wt%, the iron of 30 ~ 45wt%, the nickel of 1.0 ~ 2.0wt%, 0.01
The molybdenum of ~ 3.0wt%, 6.0 ~ 7.5 boron, the rare earth of the carbon of 0 ~ 2.0wt% and 0.01 ~ 0.2wt%.
Further, in present pre-ferred embodiments, wear-resisting rare earth alloy, including：The silicon of 1.8 ~ 2.0wt%, 0 ~
The sulphur of 0.1wt%, the chromium of 46 ~ 55wt%, the iron of 31 ~ 44wt%, the nickel of 1.0 ~ 2.0wt%, the molybdenum of 0.01 ~ 3.0wt%, 6.0 ~ 7.3
The rare earth of boron, the carbon of 0 ~ 2.0wt% and 0.01 ~ 0.2wt%.
Further, in present pre-ferred embodiments, wear-resisting rare earth alloy, including：Silicon, the 0.004wt% of 1.94wt%
Sulphur, the chromium of 49.108wt%, the iron of 40.688wt%, the nickel of 1.73wt%, the molybdenum of 0.068wt%, the boron of 6.3 wt%, 0.15wt%
Carbon and 0.012wt% rare earth.
Further, in present pre-ferred embodiments, the hardness of the wear-resisting rare earth alloy is 60 ~ 90HCR.
Further, in present pre-ferred embodiments, heat resisting temperature >=1150 DEG C of the wear-resisting rare earth alloy.
Further, in present pre-ferred embodiments, above-mentioned wear-resisting rare earth alloy is spherical powder.
The present invention provides a kind of preparation method of wear-resisting rare earth alloy, including：
The cooling in 4 ~ 10h after silicon, sulphur, chromium, iron, nickel, molybdenum, boron, carbon and rare earth are mixed, be refined to more than 1500 DEG C of temperature
To 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, raw material proportioning is：The silicon of 1.8 ~ 2.0wt%, the sulphur of 0 ~ 0.1wt%,
The chromium of 45 ~ 55wt%, the iron of 30 ~ 45wt%, the nickel of 1.0 ~ 2.0wt%, the molybdenum of 0.01 ~ 3.0wt%, 6.0 ~ 7.5 boron, 0 ~ 2.0wt%
Carbon and 0.01 ~ 0.2wt% rare earth..
The beneficial effect of the embodiment of the present invention is：
The wear-resisting rare earth alloy of the embodiment of the present invention, is made using silicon, sulphur, chromium, iron, nickel, molybdenum, boron, carbon and rare earth as raw material.Have
Better tolerance, the characteristics of lasting a long time and is environmentally protective.
The wear-resisting rare earth alloy preparation method of the embodiment of the present invention, can quickly, environmental protection and low cost prepare it is above-mentioned wear-resisting
Rare earth 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 pair
The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 a are the first product figure of wear-resisting rare earth alloy provided in an embodiment of the present invention；
Fig. 1 b are second of product figure of wear-resisting rare earth alloy provided in an embodiment of the present invention；
Fig. 2 is the micro- microstructure for the antifriction alloy that the embodiment of the present invention 3 provides；
Fig. 3 is pattern micro- microstructure of the antifriction alloy of the offer of the embodiment of the present invention 3 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.
Wear-resisting rare earth alloy of the embodiment of the present invention and preparation method thereof is specifically described below.
A kind of wear-resisting rare earth alloy, includes the raw material of following proportioning：
The silicon of 1.8 ~ 2.0wt%, the sulphur of 0 ~ 0.1wt%, the chromium of 45 ~ 55wt%, the iron of 30 ~ 45wt%, the nickel of 1.0 ~ 2.0wt%, 0.01
The molybdenum of ~ 3.0wt%, 6.0 ~ 7.5 boron, the rare earth of the carbon of 0 ~ 2.0wt% and 0.01 ~ 0.2wt%.
Preferably, wear-resisting rare earth alloy, include the raw material of following proportioning：
The silicon of 1.8 ~ 2.0wt%, the sulphur of 0 ~ 0.1wt%, the chromium of 46 ~ 55wt%, the iron of 31 ~ 44wt%, the nickel of 1.0 ~ 2.0wt%, 0.01
The molybdenum of ~ 3.0wt%, 6.0 ~ 7.3 boron, the rare earth of the carbon of 0 ~ 2.0wt% and 0.01 ~ 0.2wt%.
As further preferred, wear-resisting rare earth alloy, include the raw material of following proportioning：
The silicon of 1.94wt%, the sulphur of 0.004wt%, the chromium of 49.108wt%, the iron of 40.688wt%, the nickel of 1.73wt%, 0.068wt%
Molybdenum, the boron of 6.3 wt%, the rare earth of the carbon of 0.15wt% and 0.012wt%.
Above-mentioned, to be prepared by above-mentioned raw materials proportioning wear-resisting rare earth alloy is held, on the one hand with good machining property
Energy；On the other hand, the hardness of wear-resisting rare earth alloy is 60 ~ 90HCR, heat resisting temperature >=1150 DEG C of wear-resisting rare earth alloy.
A kind of preparation method of above-mentioned wear-resisting rare earth alloy, including：
According to the proportioning of various raw materials, silicon, sulphur, chromium, iron, nickel, molybdenum, boron, carbon and rare earth are on the waiting list.
The silicon being on the waiting list, sulphur, chromium, iron, nickel, molybdenum, boron, 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.
It is spherical powder by wear-resisting rare earth alloy made from above-mentioned preparation method.Hold above-mentioned, refer to Fig. 1 a and Fig. 1 b,
Fig. 1 a are that this product is 70 ~ 150 mesh powder；Fig. 1 b are that this product is 200 ~ 400 mesh powder.
It is appreciated that compared with the wear-resisting rare-earth alloy material of tradition, the wear-resisting rare earth alloy of the rare earth 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 1.96wt%, the sulphur of 0.023wt%, the chromium of 54.36wt%, 35.52wt% iron,
The nickel of 1.31wt%, the molybdenum of 0.1wt%, the boron of 6.5 wt%, the rare earth of the carbon of 0.18wt% and 0.047wt%.
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.
Embodiment 2
According to following proportioning, it is on the waiting list respectively：The silicon of 1.94wt%, the sulphur of 0.06wt%, the chromium of 46. 8wt%, 39.1wt% iron,
The nickel of 1.94wt%, the molybdenum of 1.2wt%, the boron of 7.1 wt%, the rare earth of the carbon of 1.7wt% and 0. 16wt%.
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.
Embodiment 3
According to following proportioning, it is on the waiting list respectively：The silicon of 1.94wt%, the sulphur of 0.004wt%, the chromium of 49.108wt%, 40.688wt%
Iron, the nickel of 1.73wt%, the molybdenum of 0.068wt%, the boron of 6.3 wt%, the rare earth of the carbon of 0.15wt% and 0.012wt%.
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.
Microstructure analysis and the morphology analysis after chloroazotic acid corrodes are carried out to obtained wear-resisting rare earth alloy, the result is shown in
Fig. 3.
Obtained wear-resisting rare earth alloy is subjected to ultrasound detection, defect in no overlay cladding, without overlay cladding boundary defect and
No overlay cladding is not associated with defect.
In conclusion the wear-resisting rare earth alloy of the embodiment of the present invention, using silicon, sulphur, chromium, iron, nickel, molybdenum, boron, carbon and rare earth as
Raw material is made.Have the characteristics that better tolerance, last a long time with it is environmentally protective.
The wear-resisting rare earth alloy preparation method of the embodiment of the present invention, can quickly, environmental protection and low cost prepare it is above-mentioned wear-resisting
Rare earth 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. wear-resisting rare earth alloy, it is characterised in that including：The silicon of 1.8 ~ 2.0wt%, the sulphur of 0 ~ 0.1wt%, 45 ~ 55wt% Chromium, the iron of 30 ~ 45wt%, the nickel of 1.0 ~ 2.0wt%, the molybdenum of 0.01 ~ 3.0wt%, 6.0 ~ 7.5 boron, the carbon of 0 ~ 2.0wt% and 0.01 The rare earth of ~ 0.2wt%.
- 2. wear-resisting rare earth alloy according to claim 1, it is characterised in that the silicon, the 0 ~ 0.1wt% of 1.8 ~ 2.0wt% The sulphur, the chromium of 46 ~ 55wt%, the iron of 31 ~ 44wt%, the nickel of 1.0 ~ 2.0wt%, the institute of 0.01 ~ 3.0wt% State molybdenum, 6.0 ~ 7.3 boron, 0 ~ 2.0wt% the carbon and 0.01 ~ 0.2wt% the rare earth.
- 3. wear-resisting rare earth alloy according to claim 1 or 2, it is characterised in that the silicon, the 0.004wt% of 1.94wt% The sulphur, the chromium of 49.108wt%, the iron of 40.688wt%, the nickel of 1.73wt%, 0.068wt% it is described Molybdenum, the boron of 6.3 wt%, 0.15wt% the carbon and 0.012wt% the rare earth.
- 4. wear-resisting rare earth alloy according to claim 1, it is characterised in that the hardness of the wear-resisting rare earth alloy for 60 ~ 90HCR。
- 5. wear-resisting rare earth alloy according to claim 1, it is characterised in that the heat resisting temperature of the wear-resisting rare earth alloy >= 1150℃。
- 6. wear-resisting rare earth alloy according to claim 1, it is characterised in that the wear-resisting rare earth alloy is spherical powder.
- A kind of 7. preparation method of wear-resisting rare earth alloy, it is characterised in that including：By silicon, sulphur, chromium, iron, nickel, molybdenum, boron, 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 wear-resisting rare earth alloy according to claim 6, it is characterised in that refining be in high temperature furnace into OK.
- 9. the preparation method of wear-resisting rare earth alloy according to claim 6, it is characterised in that be cooled to make using high pressure water Cool down for cooling agent to refined products.
- 10. according to the preparation method of the wear-resisting rare earth alloy of claim 7 ~ 9 any one of them, it is characterised in that 1.8 ~ The silicon of 2.0wt%, the sulphur of 0 ~ 0.1wt%, the chromium of 45 ~ 55wt%, the iron of 30 ~ 45wt%, the nickel of 1.0 ~ 2.0wt%, 0.01 ~ 3.0wt% Molybdenum, 6.0 ~ 7.5 boron, the rare earth of the carbon of 0 ~ 2.0wt% and 0.01 ~ 0.2wt%.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050569A (en) * | 1989-08-04 | 1991-04-10 | 沃曼国际有限公司 | Ferrochrome exothermic |
| CN101177762A (en) * | 2007-09-30 | 2008-05-14 | 西安交通大学 | Liquid zinc corrosion resistant high-boron cast steel and preparation method thereof |
| CN102741439A (en) * | 2010-01-05 | 2012-10-17 | L·E·琼斯公司 | Iron-chromium alloy with improved compressive yield strength and method of making and use thereof |
| CN104651711A (en) * | 2015-02-10 | 2015-05-27 | 马鞍山市晨光高耐磨科技发展有限公司 | Multi-element composite modified chromium-nickel-molybdenum-iron alloy and preparation process thereof |
-
2017
- 2017-12-01 CN CN201711245200.3A patent/CN107988540A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050569A (en) * | 1989-08-04 | 1991-04-10 | 沃曼国际有限公司 | Ferrochrome exothermic |
| CN101177762A (en) * | 2007-09-30 | 2008-05-14 | 西安交通大学 | Liquid zinc corrosion resistant high-boron cast steel and preparation method thereof |
| CN102741439A (en) * | 2010-01-05 | 2012-10-17 | L·E·琼斯公司 | Iron-chromium alloy with improved compressive yield strength and method of making and use thereof |
| CN104651711A (en) * | 2015-02-10 | 2015-05-27 | 马鞍山市晨光高耐磨科技发展有限公司 | Multi-element composite modified chromium-nickel-molybdenum-iron alloy and preparation process thereof |
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