CN110273114A - A kind of wear-resisting iron silicochromium and preparation method thereof - Google Patents
A kind of wear-resisting iron silicochromium and preparation method thereof Download PDFInfo
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- CN110273114A CN110273114A CN201910719632.6A CN201910719632A CN110273114A CN 110273114 A CN110273114 A CN 110273114A CN 201910719632 A CN201910719632 A CN 201910719632A CN 110273114 A CN110273114 A CN 110273114A
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
Abstract
The invention discloses a kind of wear-resisting iron silicochromium and preparation method thereof, which includes the raw material of following weight parts: 45-65 parts of Fe, 25-45 parts of Cr, 4-8 parts of Si, 2.5-3.5 parts of Mn, 1-1.5 parts of Ni, 0.35-0.55 parts of W, 0.3-0.5 parts of Al, 0.25-0.45 parts of Zr, 0.2-0.3 parts of Ti, 0.12-0.18 parts of Co, 0.06-0.12 parts of Mo, 0.06-0.1 parts of Sb, 0.05-0.1 parts of Bi, 0.015-0.025 parts of La, 0.01-0.015 parts of Sc, 0.003-0.005 parts of Ce.Fe-Si-Cr alloy produced by the present invention has excellent wear-resisting, corrosion resistance, is suitble to apply under the conditions of high abrasive environment, has effectively expanded the application range of Fe-Si-Cr corrosion resistant alloy.
Description
Technical field
The present invention relates to technical field of alloy material more particularly to a kind of wear-resisting iron silicochromium and preparation method thereof.
Background technique
With the development of science and technology with the progress of industry, the use environment of metal material, including medium, temperature and stress state
Etc. conditions even more complex and harshness, increasingly higher demands are proposed to metal material performance.Wherein, metal erosion problem is serious
The service life and security reliability for influencing metal material, become the major issue urgently improved.Alleviate metallic material corrosion
One of important means is exactly to develop corrosion resistant alloy.
It is selected currently, corrosion resistant alloy material mainly passes through reasonable alloying element, to obtain advantageous tissue and shape
At protective film, to improve the corrosion resisting property of alloy material.Wherein, Cr and Si is commonly used for improving the member of alloy corrosion resistance
Element.Cr can form secured, fine and close Cr in alloy material surface2O3Oxidation film, Si can form the cause of rich Si in alloy material surface
Close film, Si-Cr combine the corrosion resistance and pitting resistance that can greatly improve alloy material.Therefore, Fe-Si-Cr alloy is as a kind of
Corrosion resistant alloy with applications well prospect, is greatly paid close attention to.But existing Fe-Si-Cr alloy is wear-resisting, anti-corrosion
Performance still has deficiency, it is difficult under the conditions of meeting high abrasive environment, such as the application requirement of mining engineering.In order to expand corrosion resistant alloy
Use scope develops a kind of alloy material with excellent wear and corrosion resistance extremely for high abrasive environment condition
It closes important.
Summary of the invention
The object of the invention is to remedy the disadvantages of known techniques, provides a kind of wear-resisting iron silicochromium and its preparation side
Method, Fe-Si-Cr alloy obtained have excellent wear-resisting, corrosion resistance, are suitble to apply under the conditions of high abrasive environment.
The present invention is achieved by the following technical solutions:
A kind of wear-resisting iron silicochromium, the raw material including following weight parts:
45-65 parts of Fe, 25-45 parts of Cr, 4-8 parts of Si, 2.5-3.5 parts of Mn, 1-1.5 parts of Ni, 0.35-0.55 parts of W,
0.3-0.5 parts of Al, 0.25-0.45 parts of Zr, 0.2-0.3 parts of Ti, 0.12-0.18 parts of Co, 0.06-0.12 parts of Mo, Sb
0.06-0.1 parts, 0.05-0.1 parts of Bi, 0.015-0.025 parts of La, 0.01-0.015 parts of Sc, 0.003-0.005 parts of Ce.
Preferably, a kind of wear-resisting iron silicochromium, the raw material including following weight parts:
52 parts of Fe, 37 parts of Cr, 5 parts of Si, 2.8 parts of Mn, 1.4 parts of Ni, 0.5 part of W, 0.46 part of Al, 0.42 part of Zr,
0.22 part of Ti, 0.16 part of Co, 0.1 part of Mo, 0.08 part of Sb, 0.07 part of Bi, 0.02 part of La, 0.012 part of Sc, Ce
0.004 part.
A kind of preparation method of wear-resisting iron silicochromium, includes the following steps:
(1) Si, Ni, W, Al, Sc, Sb powder are weighed, obtains billet after melting in vaccum sensitive stove, billet is cold rolled to
Thin slice, for use；
(2) thin slice that step (1) obtains is put into ball grinder, carries out ball under inert atmosphere protection with stainless steel abrading-ball
Mill processing, obtains fine powder, for use；
(3) fine powder for obtaining step (2) and Fe, Cr, Mn, Zr, Ti, Co, Mo, Bi, La, Ce powder after mixing,
It is pressed into bulk, is put into electric arc furnaces, sealing vacuumizes, and argon gas is filled with, in 1580-1620 DEG C of electric arc melting 1-1.5min, overturning
Melting 3-4 times；
(4) by the alloy after melting first in 1020-1060 DEG C of solution treatment 30-60min, then in 550-580 DEG C of timeliness
3-4h is handled, is cooled to room temperature to get wear-resisting iron silicochromium.
Preferably, the smelting temperature in the step (1) is 1550-1580 DEG C.
Preferably, the sheet thickness in the step (1) is 0.4-0.8mm.
Preferably, in the step (2) ball-milling treatment condition are as follows: ratio of grinding media to material be (18-22): 1, rotational speed of ball-mill 400-
500r/min, Ball-milling Time 18-24h.
Preferably, the type of cooling in the step (4) is water quenching cooling.
Preferably, the partial size of Fe, Cr, Si powder is 80-100 mesh, and the partial size of Ni, W, Al, Bi powder is 350-400
Mesh, the partial size of Mn, Zr, Ti, Co, Mo, Sb, La, Sc, Ce powder are 200-250 mesh.
The invention has the advantages that
1, raw material of the invention includes Fe, Cr, Si, Mn, Ni, W, Al, Zr, Ti, Co, Mo, Sb, Bi, La, Sc, Ce powder.
Wherein, Si, Ni, W cooperate, and W can be formed in alloy structure2Ni3Si equiax crystal or dendrite reinforced phase, improve the hardness of alloy
With antisticking polishing machine；Bi, Mo cooperation, Dispersed precipitate in the base, can play lubricating action, further increase the resistance to of alloy
Grind performance；Cr, Si, Al, Ti cooperation can form oxidation film in alloy surface, improve the corrosion resisting property of alloy；Al matches with Sc, Sb
It closes, the Al of disperse can be formed in the melt3Sc, AlSb crystal heterogeneous nuclei improve the wearability of alloy to refine crystal grain
Energy；Al and Zr, Co cooperate, and can improve the corrosion resistance of alloy；La, Ce cooperation can be closed preferably in refining alloy crystal grain, raising
The wear-resisting property of gold, while can also improve corrosion resistance.
2, the processing mode that the present invention is combined using Si, Ni, W, Al, Bi powder fusion metallurgy-cold rolling-ball milling, one side energy
Promote the interatomic phase counterdiffusion of each raw material powder, is conducive to the hardening constituent for forming Dispersed precipitate in the alloy, and make silicon shape
At tiny Eutectic Silicon in Al-Si Cast Alloys tissue, the binding force of silicon phase and matrix is increased, reduces the probability that silicon is fallen off in abrasion, a side
Face obtains the fine powder of micro/nano level, can play the role of refining crystal grain with the common melting of remaining raw material, improve the wearability of alloy
Energy；It is combined using 1020-1060 DEG C of solution treatment and 550-580 DEG C of ageing treatment, wherein the solid solution of suitable temperature can improve
It is strong that a large amount of nanoscale disperse can be precipitated in conjunction with the ageing treatment of suitable temperature in the homogenization of alloy structure in alloy structure
Change phase, to improve the wear-resisting property of alloy.
In conclusion Fe-Si-Cr alloy produced by the present invention has excellent wear-resisting, corrosion resistance, it is suitble to grind in height
It is applied under erosion environmental condition, has effectively expanded the application range of Fe-Si-Cr corrosion resistant alloy.
Specific embodiment
Embodiment 1
A kind of wear-resisting iron silicochromium, the raw material including following weight parts:
45 parts of Fe, 25 parts of Cr, 4 parts of Si, 2.5 parts of Mn, 1 part of Ni, 0.35 part of W, 0.3 part of Al, 0.25 part of Zr, Ti
0.2 part, 0.12 part of Co, 0.06 part of Mo, 0.06 part of Sb, 0.05 part of Bi, 0.015 part of La, 0.01 part of Sc, Ce 0.003
Part.
Preparation method includes the following steps:
(1) Si, Ni, W, Al, Sc, Sb powder are weighed, obtains billet after 1550 DEG C of meltings in vaccum sensitive stove, by base
The thin slice that ingot is cold rolled to a thickness of 0.4mm, for use；
(2) thin slice that step (1) obtains is put into ball grinder, with stainless steel abrading-ball under inert atmosphere protection, ball material
Than ball-milling treatment 18h under conditions of being 400r/min for 18:1, rotational speed of ball-mill, fine powder is obtained, for use；
(3) fine powder for obtaining step (2) and Fe, Cr, Mn, Zr, Ti, Co, Mo, Bi, La, Ce powder after mixing,
It is pressed into bulk, is put into electric arc furnaces, sealing vacuumizes, and is filled with argon gas, in 1580 DEG C of electric arc melting 1min, overturns melting 3 times；
(4) by the alloy after melting first in 1020 DEG C of solution treatment 30min, then in 550 DEG C of ageing treatment 3h, water quenching
But to room temperature to get wear-resisting iron silicochromium.
Wherein, the partial size of Fe, Cr, Si powder is 80 mesh, and the partial size of Ni, W, Al, Bi powder is 350 mesh, Mn, Zr, Ti,
The partial size of Co, Mo, Sb, La, Sc, Ce powder is 200 mesh.
Embodiment 2
A kind of wear-resisting iron silicochromium, the raw material including following weight parts:
52 parts of Fe, 37 parts of Cr, 5 parts of Si, 2.8 parts of Mn, 1.4 parts of Ni, 0.5 part of W, 0.46 part of Al, 0.42 part of Zr,
0.22 part of Ti, 0.16 part of Co, 0.1 part of Mo, 0.08 part of Sb, 0.07 part of Bi, 0.02 part of La, 0.012 part of Sc, Ce
0.004 part.
Preparation method includes the following steps:
(1) Si, Ni, W, Al, Sc, Sb powder are weighed, obtains billet after 1565 DEG C of meltings in vaccum sensitive stove, by base
The thin slice that ingot is cold rolled to a thickness of 0.65mm, for use；
(2) thin slice that step (1) obtains is put into ball grinder, with stainless steel abrading-ball under inert atmosphere protection, ball material
Than ball-milling treatment 20h under conditions of being 480r/min for 20:1, rotational speed of ball-mill, fine powder is obtained, for use；
(3) fine powder for obtaining step (2) and Fe, Cr, Mn, Zr, Ti, Co, Mo, Bi, La, Ce powder after mixing,
It is pressed into bulk, is put into electric arc furnaces, sealing vacuumizes, and is filled with argon gas, in 1610 DEG C of electric arc melting 1.2min, overturns melting 4 times；
(4) by the alloy after melting first in 1050 DEG C of solution treatment 40min, then in 570 DEG C of ageing treatment 3.5h, water quenching
It is cooled to room temperature to get wear-resisting iron silicochromium.
Wherein, the partial size of Fe, Cr, Si powder is 90 mesh, and the partial size of Ni, W, Al, Bi powder is 380 mesh, Mn, Zr, Ti,
The partial size of Co, Mo, Sb, La, Sc, Ce powder is 240 mesh.
Embodiment 3
A kind of wear-resisting iron silicochromium, the raw material including following weight parts:
65 parts of Fe, 45 parts of Cr, 8 parts of Si, 3.5 parts of Mn, 1.5 parts of Ni, 0.55 part of W, 0.5 part of Al, 0.45 part of Zr,
0.3 part of Ti, 0.18 part of Co, 0.12 part of Mo, 0.1 part of Sb, 0.1 part of Bi, 0.025 part of La, 0.015 part of Sc, Ce 0.005
Part.
Preparation method includes the following steps:
(1) Si, Ni, W, Al, Sc, Sb powder are weighed, obtains billet after 1580 DEG C of meltings in vaccum sensitive stove, by base
The thin slice that ingot is cold rolled to a thickness of 0.8mm, for use；
(2) thin slice that step (1) obtains is put into ball grinder, with stainless steel abrading-ball under inert atmosphere protection, ball material
Than carrying out ball-milling treatment for 24 hours under conditions of being 500r/min for 22:1, rotational speed of ball-mill, fine powder is obtained, for use；
(3) fine powder for obtaining step (2) and Fe, Cr, Mn, Zr, Ti, Co, Mo, Bi, La, Ce powder after mixing,
It is pressed into bulk, is put into electric arc furnaces, sealing vacuumizes, and is filled with argon gas, in 1620 DEG C of electric arc melting 1.5min, overturns melting 4 times；
(4) by the alloy after melting first in 1060 DEG C of solution treatment 60min, then in 580 DEG C of ageing treatment 4h, water quenching
But to room temperature to get wear-resisting iron silicochromium.
Wherein, the partial size of Fe, Cr, Si powder is 100 mesh, and the partial size of Ni, W, Al, Bi powder is 400 mesh, Mn, Zr, Ti,
The partial size of Co, Mo, Sb, La, Sc, Ce powder is 250 mesh.
Comparative example 1
A kind of corrosion resisting alloy, the raw material including following weight parts:
45 parts of Fe, 25 parts of Cr, 4 parts of Si.
Preparation method includes the following steps:
Fe, Cr, Si powder are weighed, bulk is pressed into, is put into electric arc furnaces, sealing vacuumizes, and argon gas is filled with, in 1550 DEG C of electricity
Arc melting 1min is overturn melting 3 times, by the material water quenching cooling after melting to room temperature to get corrosion resisting alloy.Wherein, Fe,
The partial size of Cr, Si powder is 80 mesh.
Embodiment 1-3 and alloy material obtained in comparative example 1 are tested for the property, wherein corrosion resistance test
Be be 10% respectively in mass concentration phosphoric acid solution and mass concentration be 5% hydrochloric acid solution in, in 25 DEG C corrode for 24 hours, survey
Determine corrosion rate；Wear-resisting property test is that end mill experiment, time 1h, measurement mill are carried out under conditions of 200N, 300r/min
Damage amount；Test result is as follows shown in table:
Therefore alloy material produced by the present invention has both excellent corrosion resistance and abrasion resistance properties.
Claims (8)
1. a kind of wear-resisting iron silicochromium, which is characterized in that the raw material including following weight parts:
45-65 parts of Fe, 25-45 parts of Cr, 4-8 parts of Si, 2.5-3.5 parts of Mn, 1-1.5 parts of Ni, 0.35-0.55 parts of W, Al
0.3-0.5 parts, 0.25-0.45 parts of Zr, 0.2-0.3 parts of Ti, 0.12-0.18 parts of Co, 0.06-0.12 parts of Mo, Sb 0.06-
0.1 part, 0.05-0.1 parts of Bi, 0.015-0.025 parts of La, 0.01-0.015 parts of Sc, 0.003-0.005 parts of Ce.
2. a kind of wear-resisting iron silicochromium according to claim 1, which is characterized in that the raw material including following weight parts:
52 parts of Fe, 37 parts of Cr, 5 parts of Si, 2.8 parts of Mn, 1.4 parts of Ni, 0.5 part of W, 0.46 part of Al, 0.42 part of Zr, Ti
0.22 part, 0.16 part of Co, 0.1 part of Mo, 0.08 part of Sb, 0.07 part of Bi, 0.02 part of La, 0.012 part of Sc, Ce 0.004
Part.
3. a kind of preparation method of wear-resisting iron silicochromium as described in any one of claims 1-3, which is characterized in that including under
State step:
(1) Si, Ni, W, Al, Sc, Sb powder are weighed, obtains billet after melting in vaccum sensitive stove, billet is cold rolled to thin
Piece, for use；
(2) thin slice that step (1) obtains is put into ball grinder, is carried out at ball milling under inert atmosphere protection with stainless steel abrading-ball
Reason, obtains fine powder, for use；
(3) fine powder for obtaining step (2) and Fe, Cr, Mn, Zr, Ti, Co, Mo, Bi, La, Ce powder after mixing, are pressed into
Bulk is put into electric arc furnaces, and sealing vacuumizes, and is filled with argon gas, in 1580-1620 DEG C of electric arc melting 1-1.5min, overturns melting
3-4 times；
(4) by the alloy after melting first in 1020-1060 DEG C of solution treatment 30-60min, then in 550-580 DEG C of ageing treatment
3-4h is cooled to room temperature to get wear-resisting iron silicochromium.
4. a kind of preparation method of wear-resisting iron silicochromium according to claim 3, which is characterized in that the step (1)
In smelting temperature be 1550-1580 DEG C.
5. a kind of preparation method of wear-resisting iron silicochromium according to claim 3, which is characterized in that the step (1)
In sheet thickness be 0.4-0.8mm.
6. a kind of preparation method of wear-resisting iron silicochromium according to claim 3, which is characterized in that the step (2)
The condition of middle ball-milling treatment are as follows: ratio of grinding media to material is (18-22): 1, rotational speed of ball-mill 400-500r/min, Ball-milling Time 18-24h.
7. a kind of preparation method of wear-resisting iron silicochromium according to claim 3, which is characterized in that the step (4)
In the type of cooling be water quenching cooling.
8. a kind of preparation method of wear-resisting iron silicochromium according to claim 3, which is characterized in that described Fe, Cr, Si
The partial size of powder is 80-100 mesh, and the partial size of Ni, W, Al, Bi powder is 350-400 mesh, Mn, Zr, Ti, Co, Mo, Sb, La, Sc,
The partial size of Ce powder is 200-250 mesh.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306104A (en) * | 2019-08-06 | 2019-10-08 | 华北理工大学 | A kind of corrosion resisting alloy and preparation method thereof |
| CN114990454A (en) * | 2022-06-13 | 2022-09-02 | 华北理工大学 | Fe-Cr-Si alloy and preparation method thereof |
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