CN105880582A - Fe90/WC alloy powder and preparation method thereof - Google Patents
Fe90/WC alloy powder and preparation method thereof Download PDFInfo
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- CN105880582A CN105880582A CN201610224729.6A CN201610224729A CN105880582A CN 105880582 A CN105880582 A CN 105880582A CN 201610224729 A CN201610224729 A CN 201610224729A CN 105880582 A CN105880582 A CN 105880582A
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- 239000000843 powder Substances 0.000 title claims abstract description 141
- 239000000956 alloy Substances 0.000 title claims abstract description 85
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 84
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000002245 particle Substances 0.000 claims description 32
- 239000000470 constituent Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 239000011812 mixed powder Substances 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 31
- 239000010941 cobalt Substances 0.000 description 15
- 229910017052 cobalt Inorganic materials 0.000 description 15
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 15
- 238000003466 welding Methods 0.000 description 15
- 239000011248 coating agent Substances 0.000 description 13
- 238000000576 coating method Methods 0.000 description 13
- 229910052742 iron Inorganic materials 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 238000002156 mixing Methods 0.000 description 8
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229910000714 At alloy Inorganic materials 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 2
- 229910018540 Si C Inorganic materials 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- B22F1/0003—
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to a Fe90/WC alloy powder and a preparation method thereof and belongs to the technical field of iron-base alloy powder. The powder is obtained through Fe90 powder and WC powder according to the matching ratio. The WC powder accounts for 3% to 20% of the alloy powder by mass percent, and the balance is the Fe90 powder. The Fe90 powder comprises, by mass percent, 1.1% of Si, 1.6% of B, 13.6% of Cr, 0.815% of C and the balance Fe. In the preparation process, the Fe90 powder and the WC powder are weighed according to the respective proportions, the weighed power of the two types is mixed and stirred and then put in the environment at the temperature from 100 DEG C to 110 DEG C to be dried for 1 hour after being stirred, and the dried powder is the Fe90/WC alloy powder. The alloy powder is low in cost, compared with existing iron-base alloy powder, the alloy powder has the beneficial effect that abrasion resistance is remarkably improved, and equipment using the powder as an abrasion face is good in abrasion resistance, small in friction loss and long in service life.
Description
Technical field
The invention belongs to iron(-)base powder technical field, be specifically related to a kind of Fe90/WC alloy powder
And preparation method thereof.
Background technology
China's build-up welding alloy material in early days is to develop on the Research foundation of cobalt-based, nickel-base alloy abroad
And come, due to China's cobalt, the scarcity of nickel resources and expensive, cobalt-based, the research of nickel-base alloy
Being restricted with use, iron-based and composite powder arise at the historic moment, and common ferrous alloy has
Fe-Cr-C system, Fe-Cr-B-Si-C system, Fe-Ni-Cr-Mo-Si-C system etc..
Generally speaking, although the wearability of ferrous alloy and high-temperature behavior not as good as cobalt-based, nickel-base alloy,
But due to low cost, therefore suffer from the attention of numerous scientific research personnel, how by element modified next
The performance improving ferrous alloy is when previous big study hotspot.
At present, people are more to the research usually being changed ferrous alloy performance by the different unit of interpolation,
As added Nb element, WC particle etc., wherein, about WC particle to iron(-)base powder performance impact
Research relatively fewer, and the proportioning of the mechanical property of material and material has close relationship, therefore,
The content of WC particle is the direction being worth research to the correlated performance of iron(-)base powder.
Summary of the invention
Instant invention overcomes the shortcoming that prior art exists, it is provided that a kind of Fe90/WC alloy powder,
This powder had both had the advantage that iron(-)base powder is with low cost relative to cobalt-based, nickel-base alloy, also had
Standby with cobalt-based, the most excellent wearability of nickel-base alloy ad eundem.
The concrete technical scheme of the present invention is:
A kind of Fe90/WC alloy powder, this alloy powder includes Fe90 powder and WC powder, crucial
Point is, described WC powder shared mass percent in alloy powder is 3%～20%.
Described WC powder shared mass percent in alloy powder is 10%.
Described WC powder shared mass percent in alloy powder is 8%.
Described WC powder shared mass percent in alloy powder is 13%.
The constituent of described Fe90 powder includes 0.9%～1.3% according to shared mass percent
The C of the B of Si, 1.4%～1.8%, 13.2%～14%Cr, 0.7%～0.9%, surplus is Fe.
The constituent of described Fe90 powder according to shared mass percent include the Si of 1.1%, 1.6%
B, 13.6%Cr, the C of 0.815%, surplus is Fe.
The particle diameter of described Fe90 powder is 90～110 μm.
The particle diameter of described WC powder is 5～10 μm.
The preparation method of Fe90/WC alloy powder as above, key point is, described preparation side
Method comprises the following steps:
A, stirring
Fe90 powder and WC powder are claimed according to its mass percent in alloy powder
Measuring, mass percent shared by WC powder is 3%～20%, and surplus is Fe90 powder, then by two
Person carries out being mixed and stirred for 3～7 hours；
B, drying
Mixed-powder is placed in 100-110 DEG C of environment 0.8～1.5 hour.
The invention has the beneficial effects as follows: the Fe90/WC alloy powder in the present invention by Fe90 powder and
The proportion relation of WC powder changes the mechanical property of ferrous alloy, this Fe90/WC alloy powder resistance to
Mill performance is close to the wear-resisting intensity of even more than cobalt-based, nickel-base alloy, it is possible to be applied to cobalt-based, Ni-based
The abrasion occasion that alloy is applied, and this alloy powder is also equipped with low cost intrinsic of ferrous alloy
Feature, compared to cobalt-based, the expensive cost of nickel-base alloy, the Fe90/WC alloy powder in the present invention
More can get the nod.
Detailed description of the invention
The present invention relates to a kind of Fe90/WC alloy powder and preparation method thereof, this alloy powder includes
Fe90 powder and WC powder, described WC powder shared mass percent in alloy powder be 3%～
20%, surplus is Fe90 powder, and the constituent of described Fe90 powder is according to shared mass percent
The C of the B of Si, 1.4%～1.8%, 13.2%～14%Cr, 0.7%～0.9% including 0.9%～1.3%,
Surplus is Fe, the Fe90 powder of mentioned component and WC powder is carried out mixing match thus prepares
Fe90/WC alloy powder.
Embodiment 1, the constituent of described Fe90 powder includes 1.1% according to shared mass percent
Si, the B of 1.6%, 13.6%Cr, the C of 0.815%, surplus is that the particle diameter of Fe, Fe90 powder is
100 μm, the particle diameter of WC powder is 8 μm, the preparation of the Fe90/WC alloy powder of composition described above composition
Method comprises the following steps:
A, stirring
Fe90 powder and WC powder are claimed according to its mass percent in alloy powder
Measuring, mass percent shared by WC powder is 10%, and surplus is Fe90 powder, then by both first
Being mixed by manual stirring, mixed-powder is stirred 4 hours by recycling batch mixer；
B, drying
Mixed-powder is placed in the calorstat of 105 DEG C 1 hour, dries and obtain Fe90/WC after terminating
Alloy powder.
Fe90/WC alloy powder is carried out anti-wear performance test, utilizes plasma spray welding technology to incite somebody to action
Fe90/WC alloy powder is sprayed on wear surface, sprays 4mm thickness at No. 45 rod iron peripheries
Fe90/WC spray coating of alloy powder layer, spray-welding coating surface roughness Ra=12.5, cylinder spray-welding coating is entered
Row loads and rotates abrasion, and during fretting wear, rotating speed is 220r/min, and imposed load is 40kg, surfacing
Layer surface is good compared with the wearability on the spray-welding coating top layer under other proportionings, under above fretting wear operating mode,
With nickel-base alloy (Ni60) as the average abrasion amount of spray-welding coating as 55.4mg；Work as iron(-)base powder
During as spray-welding coating, if without WC particle, the average abrasion amount of spray-welding coating is 70.6mg, works as ferrum
When in base alloy powder, WC particle content is 3%, the average abrasion amount of spray-welding coating is 60.3mg, works as ferrum
When in base alloy powder, WC particle content is 5%, the average abrasion amount of spray-welding coating is 49mg, works as iron-based
When in alloy powder, WC particle content is 8%, the average abrasion amount of spray-welding coating is 40mg, when iron-based closes
When in bronze end, WC particle content is 10%, the average abrasion amount of spray-welding coating is 24.3mg, when iron-based closes
When in bronze end, WC particle content is 13%, the average abrasion amount of spray-welding coating is 38mg, as known from the above,
When in alloy powder, shared mass percent is 10% to WC particle, Fe90/WC alloy powder resistance to
Mill property is best.
Embodiment 2, as the another kind of ratio of Fe90/WC alloy powder, WC particle is at alloy
In powder, shared mass percent is 8%, after Fe90 powder and WC powder are proportionally weighed,
Carrying out successively mixing, stir and drying, the Fe90/WC alloy powder wearability finally given is preferable,
And it is better than the wear-resisting intensity of cobalt-based, nickel-base alloy.
Embodiment 3, as the another kind of ratio of Fe90/WC alloy powder, WC particle is at alloy
In powder, shared mass percent is 13%, after Fe90 powder and WC powder are proportionally weighed,
Carrying out successively mixing, stir and drying, the final Fe90/WC alloy powder wearability obtained is preferable,
And it is better than the wear-resisting intensity of cobalt-based, nickel-base alloy.
Different powder in iron(-)base powder generally select the alloy powder that particle diameter is close to mix,
But owing to Fe90 alloy powder apparent density differs relatively big with WC particle apparent density, if selected
Close particle diameter, can affect the uniformity of powder mixing, and powder mixing inequality can affect the microcosmic of spray-welding coating
Organizing thus affect the mechanical property of spray-welding coating, therefore, selecting particle diameter in the present invention is 90～110 μm
Commercial Fe90 alloy powder, selecting particle diameter is the WC particle of 5～10 μm, although Fe90 alloy
Powder differs relatively big with WC particle particle diameter, but WC particle can preferably be inhaled during mixing
It is attached on Fe90 alloy powder, forms good parcel, thus improve the uniformity of mixing, WC
If the least meeting of grain diameter causes alloy powder overall flow to be deteriorated, WC particle particle diameter is too big, inhales
Attached weak effect, powder mixing uniformity is poor, it is contemplated that the overall flow of alloy powder, WC particle grain
After footpath determines, the content of WC particle would necessarily affect the overall flow of alloy powder, so WC
The content of granule controls within 20%.
WC particle proportion in existing iron(-)base powder is adjusted by the present invention, is greatly improved
The mechanical property of iron(-)base powder, the most wear-resisting intensity so that this iron(-)base powder can
Anti-wear performance reaches even better than cobalt-based, nickel-base alloy, and its cost is the cheapest,
Therefore, it is possible to be applied to association area, cost puts into low, and abrasion resistant effect is good, it is adaptable to cobalt, nickel
The national conditions that metal production is relatively low, cobalt, nickel metal are applied more in high-grade, precision and advanced science and technology, especially national defence
Science and technology uses relatively broad, therefore, use the alloy powder in the present invention, it is possible to for high-grade, precision and advanced section
Skill deposit more cobalt, nickel metal, be conducive to the development in science and technology of country and national defence to consolidate.
Claims (9)
1. a Fe90/WC alloy powder, this alloy powder includes Fe90 powder and WC powder, its
It is characterised by: described WC powder shared mass percent in alloy powder is 3%～20%.
A kind of Fe90/WC alloy powder the most according to claim 1, it is characterised in that: described
WC powder shared mass percent in alloy powder be 10%.
A kind of Fe90/WC alloy powder the most according to claim 1, it is characterised in that: described
WC powder shared mass percent in alloy powder be 8%.
A kind of Fe90/WC alloy powder the most according to claim 1, it is characterised in that: described
WC powder shared mass percent in alloy powder be 13%.
A kind of Fe90/WC alloy powder the most according to claim 1, it is characterised in that: described
Fe90 powder constituent according to shared mass percent include 0.9%～1.3% Si, 1.4%～
The C of B, 13.2%～14%Cr, 0.7%～0.9% of 1.8%, surplus is Fe.
A kind of Fe90/WC alloy powder the most according to claim 1, it is characterised in that: described
Fe90 powder constituent according to shared mass percent include 1.1% Si, the B of 1.6%,
13.6%Cr, the C of 0.815%, surplus is Fe.
A kind of Fe90/WC alloy powder the most according to claim 1, it is characterised in that: described
The particle diameter of Fe90 powder be 90～110 μm.
A kind of Fe90/WC alloy powder the most according to claim 1, it is characterised in that: described
The particle diameter of WC powder be 5～10 μm.
9. the preparation method of Fe90/WC alloy powder as claimed in claim 1, it is characterised in that
Described preparation method comprises the following steps:
A, stirring
Fe90 powder and WC powder are claimed according to its mass percent in alloy powder
Measuring, mass percent shared by WC powder is 3%～20%, and surplus is Fe90 powder, then by two
Person carries out being mixed and stirred for 3～7 hours；
B, drying
Mixed-powder is placed in 100-110 DEG C of environment 0.8～1.5 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224729.6A CN105880582A (en) | 2016-04-12 | 2016-04-12 | Fe90/WC alloy powder and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224729.6A CN105880582A (en) | 2016-04-12 | 2016-04-12 | Fe90/WC alloy powder and preparation method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610224729.6A Pending CN105880582A (en) | 2016-04-12 | 2016-04-12 | Fe90/WC alloy powder and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115386871A (en) * | 2022-08-29 | 2022-11-25 | 黄河水利委员会黄河水利科学研究院 | High-impact-cavitation-corrosion-resistant coating |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115386871A (en) * | 2022-08-29 | 2022-11-25 | 黄河水利委员会黄河水利科学研究院 | High-impact-cavitation-corrosion-resistant coating |
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Application publication date: 20160824 |
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