CN107312963B - A kind of molybdenum vanadium manganese iron intermediate alloy and preparation method thereof - Google Patents
A kind of molybdenum vanadium manganese iron intermediate alloy and preparation method thereof Download PDFInfo
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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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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- 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
- C22C27/04—Alloys based on tungsten or molybdenum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C35/00—Master alloys for iron or steel
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Abstract
The invention belongs to field of metallurgy, and in particular to a kind of molybdenum vanadium manganese iron intermediate alloy and preparation method thereof.The technical problem to be solved in the present invention is to provide a kind of molybdenum vanadium manganese iron intermediate alloys and preparation method thereof for being used to prepare Cr12MoV steel.The molybdenum vanadium manganese iron intermediate alloy composition of alloy by weight percentage is：Mo：36.25~40.16%, V：15.06~18.12%, Mn：21.05~34.80%, Fe：7.60~22.02%, surplus is inevitable impurity；The sum of above ingredient percentage is 100%.Preparation method includes the following steps：MoO is taken by molybdenum vanadium manganese iron intermediate alloy component requirements3、V2O5, metal Al and manganese iron, or take MoO3、V2O5, metal Al, manganese iron and steel scrap, be put into furnace body after mixing, reacted after igniting and molybdenum vanadium manganese iron intermediate alloy is made.The molybdenum vanadium manganese iron intermediate alloy alloying is uniform, low in cost, can replace molybdenum-iron, vanadium iron, manganese iron as the alloy addition for preparing Cr12MoV steel, more simple in ingredient, accurate, more can ensure that the homogeneity of ingredients of Cr12MoV steel, avoids component segregation.
Description
Technical field
The invention belongs to field of metallurgy, and in particular to a kind of molybdenum vanadium manganese iron intermediate alloy and preparation method thereof.
Background technique
In the past 20 years, China's die & mold development is very fast, and especially in recent years, mold demand is always with annual 15%
The speed rapid growth of left and right.Cr12MoV steel has high wearability, quenches as the most popular cold work die steel in China
The characteristics such as permeability, Light deformation, high thermal stability, high-flexural strength are to make punch die, the cold weight for cutting out mould, cold shear and cold heading die
Want material.
Alloy Elements Mo in Cr12MoV steel has good solution strengthening effect, can obviously increase the hardness strength of steel, also
It is remarkably improved the harden ability of steel；Alloying element V most it is outstanding effect be to refinement martensitic crystal grains, while V can also and C
The vanadium carbide for forming high rigidity, improves the wearability of steel；Alloying element Mn has good solid solution strengthening effect, and steel can be improved
Intensity and plasticity.Cr12MoV steel is usually to be put into work after preparing molybdenum-iron, vanadium iron, manganese iron etc. in proportion as alloy addition
In frequency electric furnace with forged, be heat-treated after the common melting of raw materials such as the pig iron, forging technology therein is exactly to improve
The component segregation problem of the elements such as Mo, V, Mn, C in Cr12MoV steel.
Summary of the invention
First technical problem to be solved by this invention is to provide that a kind of alloying is uniform, low-cost is used to prepare
The molybdenum vanadium manganese iron intermediate alloy of Cr12MoV steel, it is more simple in ingredient when preparing Cr12MoV steel using the intermediate alloy, accurate,
It more can ensure that the ingredient of Cr12MoV steel is uniform, avoid component segregation.
The technical proposal adopted by the invention to solve the above technical problems is that providing a kind of Cr12MoV steel of being used to prepare
Molybdenum vanadium manganese iron intermediate alloy, by weight percentage composition of alloy are：Mo：36.25~40.16%, V：15.06~18.12%,
Mn：21.05~34.8%, Fe：7.6~22.02%, surplus is inevitable impurity；The sum of above ingredient percentage is
100%.
Second technical problem to be solved by this invention is to provide a kind of simple process, low-cost is used to prepare
The preparation method of the molybdenum vanadium manganese iron intermediate alloy of Cr12MoV steel.
The technical proposal adopted by the invention to solve the above technical problems is that providing a kind of Cr12MoV steel of being used to prepare
The preparation method of molybdenum vanadium manganese iron intermediate alloy.This approach includes the following steps：
MoO is taken by molybdenum vanadium manganese iron intermediate alloy component requirements3、V2O5, metal Al and manganese iron, or take MoO3、V2O5, metal
Al, manganese iron and steel scrap, are put into furnace body after mixing, react after igniting and molybdenum vanadium manganese iron intermediate alloy is made.
Further, MoO described in the above method3、V2O5, metal Al, manganese iron, steel scrap by its mass ratio be 1：0.446
~0.5948：0.5957~0.6691：0.79~0.5267：0~0.3422.
Further, MoO described in the above method3Purity >=99%, V2O5Purity >=99%, metal Al purity >=
99%, manganese iron is trade mark FeMn82C1.5, the mid-carbon fe-mn of Mn content≤82%.
Further, MoO described in the above method3Granularity be 80~160 mesh, V2O5Granularity be 120~200 mesh,
The granularity of Al is 3~5mm, and the granularity of manganese iron is 3~10mm, and the granularity of steel scrap is 5~10mm.
Further, furnace body described in the above method is the furnace body that corundum slag knots, and the corundum slag is reaction by-product
Object.
Further, igniting described in the above method is to make using the mixture that barium peroxide and magnesium form as igniting agent
Used time is carried out using magnesium initiation reaction is lighted.
The beneficial effects of the invention are as follows：
A kind of molybdenum vanadium manganese iron intermediate alloy for being used to prepare Cr12MoV steel is designed in the invention, can replace
Molybdenum-iron, vanadium iron, manganese iron as the alloy addition for preparing Cr12MoV steel, due to Mo, V, Mn content in the intermediate alloy be by
Mo, V, Mn Proportionality design in Cr12MoV steel, it can be directly used for preparation Cr12MoV steel, the Cr12MoV steel of 1 ton of preparation only needs
The molybdenum vanadium manganese iron intermediate alloy that 10.03~16.52kg is added can be met the requirements, and matched than molybdenum-iron, vanadium iron, manganese iron is respectively adopted
It is more simple on material, accurate, it more can ensure that the ingredient of Cr12MoV steel is uniform, avoid component segregation.
The present invention directly prepares the molybdenum vanadium manganese iron intermediate alloy containing Mo, V, Mn using metal-thermic, than preparing molybdenum respectively
Iron, vanadium iron, the production cost of manganese iron are low, simple process；One of raw material is steel scrap, avoids the wasting of resources, while by-product is rigid
It can be used as stamp mass recycling after beautiful slag is broken, avoid waste and pollution environment, further reduced production cost.
Specific embodiment
Alloy Elements Mo in Cr12MoV steel has good solution strengthening effect, can obviously increase the hardness strength of steel, also
It is remarkably improved the harden ability of steel；Alloying element V most it is outstanding effect be to refinement martensitic crystal grains, while V can also and C
The vanadium carbide for forming high rigidity, improves the wearability of steel；Alloying element Mn has good solid solution strengthening effect, and steel can be improved
Intensity and plasticity.The present invention is used to prepare according to the specific requirement of Cr12MoV composition of steel, the creative one kind that devises
The molybdenum vanadium manganese iron intermediate alloy of Cr12MoV steel.
Specifically, a kind of molybdenum vanadium manganese iron intermediate alloy for being used to prepare Cr12MoV steel, by weight percentage composition of alloy
For：Mo：36.25~40.16%, V：15.06~18.12%, Mn：21.05~34.8%, Fe：7.6~22.02%, surplus is
Inevitable impurity；The sum of above ingredient percentage is 100%.
Mo, V, Mn content in the molybdenum vanadium manganese iron intermediate alloy is to design to obtain for Cr12MoV steel, can be directly used for making
Standby Cr12MoV steel, the molybdenum vanadium manganese iron intermediate alloy that 10.03~16.52kg need to be only added in the Cr12MoV steel of 1 ton of preparation can expire
Foot requires.
The preparation method of the above-mentioned molybdenum vanadium manganese iron intermediate alloy for being used to prepare Cr12MoV steel mainly includes the following steps that：
MoO is taken by molybdenum vanadium manganese iron intermediate alloy component requirements3、V2O5, metal Al and manganese iron, or take MoO3、V2O5, metal
Al, manganese iron and steel scrap, are put into furnace body after mixing, react after igniting and molybdenum vanadium manganese iron intermediate alloy is made.
With MoO in the above method3、V2O5For raw material, using metal Al as reducing agent, using manganese iron, steel scrap as coolant.Reaction
Heat is excessively high, and acutely, splash is serious, and alloy yield is low for reaction；Heat is too low, and slag, alloy are regardless of test failure；Therefore it needs
Comprehensively consider each material proportion, by heat of reaction control in suitable range, while making molybdenum vanadium manganese iron intermediate alloy obtained
Meet corresponding quality requirement.To keep heat of reaction suitable, Mo, V, Mn content meet in molybdenum vanadium manganese iron intermediate alloy obtained
The component requirements of Cr12MoV steel, MoO3、V2O5, metal Al, manganese iron, steel scrap by its mass ratio be 1：0.446~0.5948：
0.5957~0.6691：0.79~0.5267：0~0.3422.
In order to ensure Mo, V, Mn element in molybdenum vanadium manganese iron intermediate alloy and impurity content satisfaction prepare wanting for Cr12MoV steel
It asks, MoO3Purity >=99%, V2O5Purity >=99%, metal Al purity >=99%, manganese iron are trade mark FeMn82C1.5, Mn content
≤ 82% mid-carbon fe-mn；Steel scrap does not have specific specification, and being subject to does not influence molybdenum vanadium manganese iron intermediate alloy quality, generally can be with
The leftover pieces cut down when being processed using steel plate.
In order to create good dynamic conditions, react fully progress, MoO3Granularity be 80~160 mesh, V2O5Grain
Degree is 120~200 mesh, and the granularity of Al is 3~5mm, and the granularity of manganese iron is 3~10mm, and the granularity of steel scrap is 5~10mm.
For the by-product corundum slag preferably generated using reaction, avoids wasting and polluting environment, reduces production cost,
It avoids introducing impurity simultaneously, be used after corundum slag being crushed as furnace body stamp mass.
The routine operation of this field can be selected in sparking mode；In practical operation, it can be selected and formed with barium peroxide and magnesium
Mixture is igniting agent, using lighting magnesium initiation reaction progress when use.
Optimization, the present invention can be implemented in the following way：
Take MoO3(purity >=99%, granularity are 80~160 mesh), V2O5(purity >=99%, granularity are 120~200 mesh),
Metal Al (purity >=99%, 3~5mm of granularity), mid-carbon fe-mn (trade mark FeMn82C1.5, Mn content≤82%, granularity be 3~
10mm), steel scrap (granularity is 5~10mm), each material is 1 by its mass ratio：0.446~0.5948：0.5957~0.6691：
0.79~0.5267：0~0.3422, it is put into the furnace body of corundum slag knotting, is formed with barium peroxide and magnesium after mixing
Mixture is igniting agent, using the progress for lighting magnesium initiation reaction when use.After the reaction was completed, it obtains closing among molybdenum vanadium manganese iron
Gold, by-product are corundum slag.
Below by embodiment, invention is further described in detail, but does not therefore limit the scope of the present invention
Among the embodiment described range.
Embodiment 1
Take MoO3(purity 99wt%, granularity are 80~120 mesh) 6kg, V2O5(purity 99.5wt%, granularity are 160~200
Mesh) 2.7kg, metal Al (purity 99.3wt%, 3~4mm of granularity) 3.6kg, mid-carbon fe-mn (trade mark FeMn82C1.5, Mn content
It is 78%, granularity is 4~8mm) 3.74kg, it is put into the furnace body of corundum slag knotting after mixing, with barium peroxide and magnesium group
At mixture be igniting agent, when using using magnesium ribbon ignite as side reaction cause main reaction progress.After the reaction was completed, it obtains
To molybdenum vanadium manganese iron intermediate alloy 8.5kg, it be 40.16%, V mass fraction is 15.06%, Mn that constituent content, which is Mo mass fraction,
Mass fraction is that 34.8%, Fe mass fraction is 7.6%, and surplus is the inevitable impurity such as carbon；By-product is corundum slag.
Embodiment 2
Take MoO3(purity 99.3wt%, granularity are 120~160 mesh) 9kg, V2O5(purity 99.7wt%, granularity be 120~
160 mesh) 5.35kg, metal Al (purity 99.5wt%, 4~5mm of granularity) 6.02kg, mid-carbon fe-mn (trade mark FeMn82C1.5, Mn
Content is 82%, and granularity is 5~10mm) 4.74kg, steel scrap (granularity is 5~8mm) 3.05kg, it is put into corundum slag after mixing
In the furnace body of knotting, using the mixture that barium peroxide and magnesium form as igniting agent, ignited using magnesium ribbon as side reaction when using
Cause the progress of main reaction.After the reaction was completed, molybdenum vanadium manganese iron intermediate alloy 16.3kg is obtained, constituent content is Mo mass fraction
It is 18.12%, Mn mass fraction for 36.25%, V mass fraction be 21.05%, Fe mass fraction is 22.02%, surplus is carbon
Etc. inevitable impurity；By-product is corundum slag.
Embodiment 3
Take MoO3(purity 99.5wt%, granularity are 120~160 mesh) 7.58kg, V2O5(purity 99.3wt%, granularity are
160~200 mesh) 3.84kg, metal Al (purity 99.7wt%, 3~4mm of granularity) 4.74kg, the mid-carbon fe-mn (trade mark
FeMn82C1.5, Mn content are 80%, and granularity is 3~5mm) 4.58kg, steel scrap (granularity is 7~10mm) 1.1kg, it is uniformly mixed
It is put into the furnace body of corundum slag knotting afterwards, using the mixture that barium peroxide and magnesium form as igniting agent, when use is drawn using magnesium ribbon
Fire the progress for causing main reaction as side reaction.After the reaction was completed, molybdenum vanadium manganese iron intermediate alloy 11.9kg, constituent content are obtained
It is 38.85%, V mass fraction for Mo mass fraction be 16.55%, Mn mass fraction is that 28.2%, Fe mass fraction is
13.4%, surplus is the inevitable impurity such as carbon；By-product is corundum slag.
By above embodiments 1~3 it is found that Mo, V, Mn content in molybdenum vanadium manganese iron intermediate alloy of the present invention be by
Mo, V, Mn Proportionality design in Cr12MoV steel, the intermediate alloy can replace molybdenum-iron, vanadium iron, manganese iron to become Cr12MoV steel alloy
The new varieties of additive, it is more simple in ingredient when being used to prepare Cr12MoV steel, accurate, it more can ensure that the ingredient of Cr12MoV steel
Uniformly, component segregation is avoided.The preparation method simple process of the intermediate alloy, at low cost, gained molybdenum vanadium manganese iron intermediate alloy conjunction
Aurification is uniform, and quality meets design requirement.
Claims (11)
1. being used to prepare the molybdenum vanadium manganese iron intermediate alloy of Cr12MoV steel, it is characterised in that：Composition of alloy by weight percentage
For：Mo：36.25~40.16%, V：15.06~18.12%, Mn：21.05~34.80%, Fe：7.60~22.02%, surplus
For inevitable impurity；The sum of above ingredient percentage is 100%.
2. the preparation method of the molybdenum vanadium manganese iron intermediate alloy described in claim 1 for being used to prepare Cr12MoV steel, feature exist
In：Include the following steps：
MoO is taken by molybdenum vanadium manganese iron intermediate alloy component requirements3、V2O5, metal Al and manganese iron, or take MoO3、V2O5, metal Al,
Manganese iron and steel scrap are put into furnace body after mixing, react after igniting and molybdenum vanadium manganese iron intermediate alloy is made.
3. the preparation method of the molybdenum vanadium manganese iron intermediate alloy according to claim 2 for being used to prepare Cr12MoV steel, feature
It is：The MoO3、V2O5, metal Al, manganese iron, steel scrap by its mass ratio be 1：0.446~0.5948：0.5957~
0.6691：0.79~0.5267：0~0.3422.
4. the preparation method of the molybdenum vanadium manganese iron intermediate alloy according to claim 2 or 3 for being used to prepare Cr12MoV steel,
It is characterized in that：The MoO3Purity >=99%, V2O5Purity >=99%, metal Al purity >=99%, manganese iron are the trade mark
The mid-carbon fe-mn of FeMn82C1.5, Mn content≤82%.
5. the preparation method of the molybdenum vanadium manganese iron intermediate alloy according to claim 2 or 3 for being used to prepare Cr12MoV steel,
It is characterized in that：The MoO3Granularity be 80~160 mesh, V2O5Granularity be 120~200 mesh, the granularity of Al is 3~5mm,
The granularity of manganese iron is 3~10mm, and the granularity of steel scrap is 5~10mm.
6. the preparation method of the molybdenum vanadium manganese iron intermediate alloy according to claim 4 for being used to prepare Cr12MoV steel, feature
It is：The MoO3Granularity be 80~160 mesh, V2O5Granularity be 120~200 mesh, the granularity of Al is 3~5mm, manganese iron
Granularity be 3~10mm, the granularity of steel scrap is 5~10mm.
7. the preparation method of the molybdenum vanadium manganese iron intermediate alloy according to claim 2 for being used to prepare Cr12MoV steel, feature
It is：The furnace body is the furnace body that corundum slag knots, and the corundum slag is byproduct of reaction.
8. the preparation method of the molybdenum vanadium manganese iron intermediate alloy of Cr12MoV steel is used to prepare according to claim 2,3 or 7,
It is characterized in that：The igniting is to use when use using the mixture that barium peroxide and magnesium forms as igniting agent and light magnesium and draw
Hair reaction carries out.
9. the preparation method of the molybdenum vanadium manganese iron intermediate alloy according to claim 4 for being used to prepare Cr12MoV steel, feature
It is：The igniting is to use when use using the mixture that barium peroxide and magnesium forms as igniting agent and light magnesium initiation reaction
It carries out.
10. the preparation method of the molybdenum vanadium manganese iron intermediate alloy according to claim 5 for being used to prepare Cr12MoV steel, special
Sign is：The igniting is to be caused instead using lighting magnesium when use using the mixture that barium peroxide and magnesium forms as igniting agent
Should carry out.
11. the preparation method of the molybdenum vanadium manganese iron intermediate alloy according to claim 6 for being used to prepare Cr12MoV steel, special
Sign is：The igniting is to be caused instead using lighting magnesium when use using the mixture that barium peroxide and magnesium forms as igniting agent
Should carry out.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078065A (en) * | 2007-05-31 | 2007-11-28 | 攀枝花市银江金勇工贸有限责任公司 | Method for preparing series titanium-iron alloy by smelting titanium raw material |
| CN102181779A (en) * | 2011-04-01 | 2011-09-14 | 河北工业大学 | Composite inoculant used for grey cast iron and preparation method and application method of composite inoculant |
| CN102605183A (en) * | 2012-03-23 | 2012-07-25 | 中色（宁夏）东方集团有限公司特种材料分公司 | Preparation method for low-silicon and low-carbon ferroniobium alloy |
| CN102618739A (en) * | 2012-04-18 | 2012-08-01 | 上海康臣特种金属材料有限公司 | Aluminum molybdenum vanadium chromium iron intermediate alloy and preparation method thereof |
| CN103834849A (en) * | 2014-03-07 | 2014-06-04 | 承德金科科技开发有限责任公司 | FeV45N10 ferric vanadium nitrate and combustion synthesis method thereof |
| CN104878273A (en) * | 2015-07-01 | 2015-09-02 | 攀钢集团攀枝花钢钒有限公司 | Method for smelting ferrovanadium through iron particles and steel scraps |
| CN104911414A (en) * | 2015-06-09 | 2015-09-16 | 贵州兴科合金有限公司 | Aluminum alloy material for car light heat dissipation base and preparation method of aluminum alloy material |
-
2017
- 2017-07-17 CN CN201710579980.9A patent/CN107312963B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078065A (en) * | 2007-05-31 | 2007-11-28 | 攀枝花市银江金勇工贸有限责任公司 | Method for preparing series titanium-iron alloy by smelting titanium raw material |
| CN102181779A (en) * | 2011-04-01 | 2011-09-14 | 河北工业大学 | Composite inoculant used for grey cast iron and preparation method and application method of composite inoculant |
| CN102605183A (en) * | 2012-03-23 | 2012-07-25 | 中色（宁夏）东方集团有限公司特种材料分公司 | Preparation method for low-silicon and low-carbon ferroniobium alloy |
| CN102618739A (en) * | 2012-04-18 | 2012-08-01 | 上海康臣特种金属材料有限公司 | Aluminum molybdenum vanadium chromium iron intermediate alloy and preparation method thereof |
| CN103834849A (en) * | 2014-03-07 | 2014-06-04 | 承德金科科技开发有限责任公司 | FeV45N10 ferric vanadium nitrate and combustion synthesis method thereof |
| CN104911414A (en) * | 2015-06-09 | 2015-09-16 | 贵州兴科合金有限公司 | Aluminum alloy material for car light heat dissipation base and preparation method of aluminum alloy material |
| CN104878273A (en) * | 2015-07-01 | 2015-09-02 | 攀钢集团攀枝花钢钒有限公司 | Method for smelting ferrovanadium through iron particles and steel scraps |
Non-Patent Citations (1)
| Title |
|---|
| 合金元素对Cr12MoV模具钢耐磨性的影响;翁银翔;《铸造技术》;20140630;第35卷(第6期);第1154-1156页 * |
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