CN109252065A - A kind of metastable state microstructure body alloy and preparation method thereof - Google Patents
A kind of metastable state microstructure body alloy and preparation method thereof Download PDFInfo
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- CN109252065A CN109252065A CN201811433817.2A CN201811433817A CN109252065A CN 109252065 A CN109252065 A CN 109252065A CN 201811433817 A CN201811433817 A CN 201811433817A CN 109252065 A CN109252065 A CN 109252065A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on 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
- 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
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/04—Alloys containing less than 50% by weight of each constituent containing tin or lead
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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
- C22C30/06—Alloys containing less than 50% by weight of each constituent containing zinc
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
Abstract
The invention discloses a kind of metastable state microstructure body alloys and preparation method thereof, the alloy includes following components: Cu, Ni, Zn, Sn, Pb, Fe, Si, Mn, Al, Mg and trace and REE elements, trace element suite is combined into the combination of the three kinds or more element in Re, Ti, Cr, Mo, W, Zr, Bi, B, and above-mentioned each component forms a kind of metastable state microstructure body alloy through high melt；The present invention is not under conditions of changing solution system ingredient and pH value, high electrochemical catalysis activity is generated using the metastable state microstructure body alloy, the rest potential of the component from the liquid that alloy surface flows through is set to change, the substance dispersion of deposition will likely be generated or be in dissolved state, to play the generation for preventing or alleviating fouling.
Description
Technical field
The present invention relates to technical field of alloy material, specifically a kind of metastable state microstructure body alloy and its preparation side
Method.
Background technique
The scale problems of aqueous fluid containing hardness, which are prevalent in nature, to be had evaporation, is concentrated, the institute of temperature change
During having.In most cases, the fluid in industrial pipeline system is simple substance or mixed solution state, wherein solution composition
The many factors such as ingredient, total salinity, total ion concentration, temperature, pressure, partial pressure, pH value, flow velocity affect the dissolution of solute
Degree.Once the dissolution conditions of solution system change, solute solubility can also be changed correspondingly.When solubility declines, so that molten
Matter content is in hypersaturated state, will precipitate crystal；When precipitating crystal deposition or being adsorbed on wall surface of the container, water just will form
Dirt.The water-insoluble deposit of precipitation is generally known as scale in water-treatment technology field, general scale is all by gold such as calcium and magnesiums
Belong to what cation and carbonate or bicarbonate radical etc. were formed at dirty anion binding.When in one timing of dissolution conditions, solution system
Calcium ions and magnesium ions, acid ion and a certain amount of calcium carbonate and magnesium carbonate molecule be in a relative balance state.On the one hand, by
In the compounds such as the calcium carbonate of formation and magnesium carbonate, solubility is very low, and calcium carbonate and magnesium carbonate molecule are precipitated to form precipitating, and heap
Product forms scale；On the other hand, calcium ions and magnesium ions generate new calcium carbonate and magnesium carbonate molecule in conjunction with acid ion, and fouling occurs
Phenomenon.Calcium carbonate is mainly to be formed in conjunction with carbanion or bicarbonate ion due to calcium ion at dirt reaction.Such as
Fruit can will be intervened water electrode by certain technological means and make metal ion and acid among metal ion and acid ion
Radical ion is orderly adsorbed on the two ends arrangement of water electrode, will be greatly reduced the association rate of zwitterion, to significantly reduce
At dirty rate.Chemical scale-inhibiting method is that ingredient, pH value and the ion concentration of solution system are changed by the method for adding medicament
To generate scale inhibition effect.Ingredient of the chemical method due to needing to change solution system, application are just more and more constrained.It is long
People study always since phase, find the new metallic material with antiscale.The invention discloses one kind to be used for scale inhibition
Metastable state microstructure body alloy, can effectively mitigate or solve industry, living facilities equipment and pipeline scale tendency ask
Topic.
Summary of the invention
The purpose of the present invention is to provide a kind of metastable state microstructure body alloys and preparation method thereof, to solve existing skill
The problems in art.
The present invention utilizes the metastable state microstructure body alloy under conditions of not changing solution system ingredient and pH value
High electrochemical catalysis activity is generated, so that the rest potential of the component from the liquid that alloy surface flows through is changed, it would be possible to produce
The substance dispersion of raw deposition is in dissolved state, to play the generation for preventing or alleviating fouling.
To achieve the above object, the invention provides the following technical scheme:
A kind of metastable state microstructure body alloy, the alloy includes following components by mass percentage: Cu 35%-80%,
Ni 10%-25%, Zn 5%-35%, Sn 1%-15%, Mn 0.05%-4% and Fe 0.1%-5%.
Alloy material can scale inhibition mainly due between the multielement of component alloy there are potential difference, the energy in alloy material
Enough huge micro cells of forming quantity, so selection criteria electrode potential has very big difference as far as possible when selecting alloying component
Element.Reference standard electrode potential table is it is found that the metal that normal potential is positive value is noble metal, such as: gold, copper, mercury, silver, platinum, palladium
Deng although the electrode potential of copper is not the largest in them, with other above-mentioned several metal phase ratios, copper is in nature
In be most common, and copper is more economical.Normal potential is also relatively more for the metal of negative value, such as lithium, potassium, calcium, sodium, but these
Metal is excessively active, is unfavorable for the preparation of alloy.The element species being theoretically added are more, and the micro cell of formation is more, still
Also can lead to the problem of it is very much, such as ratio adjustment, smelting process.
The metastable state microstructure body alloy prepared by the present invention selects metallic copper, zinc, nickel, tin and micro ferro element
Be used as main chemical compositions with manganese element etc., copper, zinc, nickel and tin standard electrode potential be respectively+0.337V, -0.763V, -
0.246V and -0.136V can have multipair galvanic couple and a variety of oxidation-reduction potentials in the alloy of these four metallic elements composition, by
In the presence of potential difference, multiple small primary batteries are formed, so that it is anti-to increase the electrochemistry of easy scale-forming ion and alloy in water
The progress answered；The presence of ferro element can also strengthened copper alloy, improve its mechanical property；Metallic tin, which is added in copper alloy, so that copper is closed
Golden product grain refinement, and solution strengthening effect is played, improve wearability；Metallic nickel equally also makes crystal grain refinement and can be improved
Alloy corrosion resistance and intensity.
As optimization, a kind of metastable state microstructure body alloy, the alloy further includes following components by mass percentage: Pb
0.5%-2%, Si 0.01%-3%, Al 0.01%-3%, Mg 0.01%-2% and trace and REE elements 0.001%-
0.8%.In order to propose the processing performance of the metastable state microstructure body alloy, be also added into the alloy metallic element Pb, Si,
Mn, Al, Mg and trace and REE elements.
As optimization, a kind of metastable state microstructure body alloy, the alloy includes following components by mass percentage: Cu
40%-60%, Ni 5%-15%, Zn 8%-25%, Sn 5%-15%, Pb 0.75%-1.5%, Fe 0.5%-5%, Si
0.05%-3%, Mn 0.05%-3%, Al 0.01%-2%, Mg 0.02%-0.5% and trace and REE elements 0.05%-
0.8%.
As optimization, a kind of metastable state microstructure body alloy, the alloy includes following components by mass percentage: Cu
40%-50%, Ni 10%-15%, Zn 8%-20%, Sn 5%-10%, Pb 3%-5%, Fe 2%-5%, Si
0.05%-2%, Mn 0.05%-2%, Al 0.01%-1%, Mg 0.02%-0.3% and trace and REE elements 0.05%-
0.6%.
As optimization, a kind of metastable state microstructure body alloy, the alloy includes following components by mass percentage: Cu
50%, Ni 16%, Zn 18%, Sn 6%, Pb 3.5%, Fe 2.5%, Si 1.35%, Mn 1.735%, Al 0.85%,
Mg 0.05% and trace and REE elements 0.015%.
As optimization, trace element suite is combined into the three kinds or more element in Re, Ti, Cr, Mo, W, Zr, Bi, B
Combination.
A kind of preparation method of metastable state microstructure body alloy, the preparation method of the alloy the following steps are included:
(1) prepare raw material, weigh Cu, Ni, Zn, Sn, Pb, Fe, Si, Mn, Al, Mg and trace and REE elements；
(2) high melt obtains liquid metal；
(3) it injects in mold, it is cooling, ingot is taken out to get metastable state microstructure body alloy.
As optimization, a kind of preparation method of metastable state microstructure body alloy, the preparation method of the alloy includes following
Step:
(1) prepare raw material, weigh following each component: Cu, Ni, Zn, Sn, Pb, Fe, Si, Mn, Al, Mg and microelement
Combination；
(2) it is spread in the crucible of heating furnace into graphite powder, the half expected of Cu in above-mentioned raw materials is layered on graphite by weight
On powder, then enters Ni block on Cu material upper berth, repave into coverture, after blow-on is warming up to whole metal melts, Pb block, Fe is added
Block, Si block and Mn block, stirring to metal all after fusing, add Al block and Zn block, keep the temperature, molten metal is made to deaerate；
(3) Sn block, Mg block, trace and REE elements and remaining are then sequentially added into step (2) resulting mixture
Cu block, stirring, after metal all fusing, molten metal injection is poured in pattern tool, coverture is added by removing dross, cooling
And it is cooling, until metal surface crusts to form ingot, cooling is forced, takes out ingot to get metastable state microstructure body alloy.
As optimization, a kind of preparation method of metastable state microstructure body alloy, the preparation method of the alloy includes following
Step:
(1) prepare raw material, weigh following each component: Cu 35%-80%, Ni 10%-25%, Zn by mass percentage
5%-35%, Sn 1%-15%, Pb 0.5%-2%, Fe 0.1%-5%, Si 0.01%-3%, Mn 0.05%-4%, Al
0.01%-3%, Mg 0.01%-2% and trace and REE elements 0.001%-0.8%；
(2) graphite powder into 3cm thickness is spread in the crucible of heating furnace, the half for by weight expecting Cu in above-mentioned raw materials is equal
It is even to be layered on graphite powder, it is then uniformly spread on Cu material into whole Ni blocks, repaves the coverture into 3cm thickness, blow-on is warming up to entirely
After portion's metal melt, whole Pb block, Fe block, Si block and Mn block is added, stirring to metal all after fusing, adds whole Al blocks
With Zn block, 4-6min is kept the temperature, molten metal is made to deaerate；
(3) whole Sn blocks, Mg block, trace and REE elements are then sequentially added into step (2) resulting mixture and are remained
Remaining Cu block, mixes slowly, and after metal all fusing, removing dross makes melt temperature be reduced to 1000 DEG C -1350 DEG C, will melt
The injection of body metal pours in pattern tool, coverture and cooling 5-12min is added, until metal surface crusts to form ingot, then
Pressure is cooled to room temperature, and takes out ingot to get metastable state microstructure body alloy.
As optimization, each component is block of the purity 99.9% or more, the volume of the block in step (1)
≤2cm3；Heating furnace in step (2) is induction furnace.
Compared with prior art, the beneficial effects of the present invention are:
First is that the essential element of the present invention metastable state microstructure body alloy is copper, zinc, tin, nickel, manganese, iron etc., these
The electrode potential of element has differences, and in the alloy using the preparation of these elements, has potential difference presence, is formed multiple small
Primary battery, the lower zinc of electrode potential are oxidized to ion first and enter in water, and the electronics released likewise enters in water, phase
Than carbanion and free electron, calcium ion and positively charged colloid are easier in conjunction with electronics, form rock-steady structure, no longer
It is adsorbed, reduces fouling；Zinc ion is able to suppress aragonite and converts to calcite, and can rise when zinc ion content very little
To very big effect, when water flows through alloy material, micro zinc ion enters in water, inhibits conversion of the aragonite to calcite, text
Stone is in powder or mud shape, is conducive to washed away, and is not attached on tube wall, has achieved the purpose that scale inhibition；
Second is that at solid-liquid surface, opposite with electrical property would generally be respectively provided in the liquid near it on the surface of solids, electricity
Two layers equal of ion is measured, electric double layer is formd.When water flows through alloy material, the metastable state microstructure body alloy material with
Electric double layer is equally existed between fluid, alloy surface is positively charged, constitutes the anion aquation of electric double layer solution side residual charge
Degree is lower, and can be carried out Characteristic Adsorption, thus the hydration shell of anion is destroyed, i.e. anion can escape hydration shell,
Replace the hydrone in water dipole layer and directly adsorb in alloy surface, forms interior close layer.A part of carbanion absorption
In alloy surface, and since it is surrounded and calcium binding is relatively difficult by hydration shell, since the characteristic of carbanion is inhaled
It is attached, so that the amount of the carbanion in solution reduces, reduce with the probability of calcium binding, thus remaining calcium ion in solution
Content is higher, achievees the purpose that scale inhibition；
Third is that the present invention under the premise of not changing fluid chemistry ingredient, is generated high using the metastable state microstructure body alloy
Electrochemical catalysis activity mechanism, prevent the generation of scale, and there is very strong dissolution scale ability, operational process does not need volume
Outer maintenance is with no magnetic without electricity.When the ion in fluid is activated, scaling cations are in excitatory state, are difficult to it and acid group
It is combined into dirt.Meanwhile the continuous action of electro-chemical activity will lead to dirty salt crystal generation " calcite type " and change to " aragonitic ",
Dirty salt crystal becomes loose, reduces with wall surface binding force, hardened dirty layer is caused gradually to loosen dissolution；
Fourth is that the present invention uses more reasonable recipe ingredient, the ability and corrosion resistance of alloy release electronics are improved,
It is also significantly improved in terms of the machining property of alloy, and alloy of the invention is metastable state microstructure body alloy,
Compared with the post alloy that the crystallographic axis of the prior art is formed, metastable state microstructure body alloy is more special in certain aspect of performance
Advantage, also because of the optimization of structure, electronics burst size is greatly improved the metastable state microstructure body alloy；Antiscale is anti-
Corrosive nature more tends towards stability；Compared with the post alloy that the crystallographic axis of the prior art is formed, which is closed
Gold is more advanced, more stable, fully meets current scale inhibition equipment engineer application requirement, and ingredient more reasonable benefit/risk, is processed into
This is also lower.
Detailed description of the invention
Fig. 1 is the metallographic microscope of metastable state microstructure body alloy material prepared by the embodiment of the present invention 1.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1:
A kind of metastable state microstructure body alloy, the alloy includes following components by mass percentage: Cu 55%, Ni
15%, Zn 10%, Sn 10%, Pb 2%, Fe 3%, Si 2%, Mn 2.5%, Al 0.45%, Mg 0.03% and micro
Element combinations 0.02%；Trace element suite is combined into the combination of three kinds of elements in Re, Ti and Cr.
Prepare metastable state microstructure body alloy using above-mentioned raw materials, the preparation method of the alloy the following steps are included:
(1) prepare raw material, weigh following each component: Cu 55%, Ni 15%, Zn 10%, Sn by mass percentage
10%, Pb 2%, Fe 3%, Si 2%, Mn 2.5%, Al 0.45%, Mg 0.03% and trace and REE elements 0.02%, it is micro-
Secondary element group is combined into the combination of three kinds of elements in Re, Ti and Cr, and each component is block of the purity 99.9% or more, blocky
Volume≤2cm of object3；
(2) graphite powder into 3cm thickness is spread in the crucible of heating furnace, the half for by weight expecting Cu in above-mentioned raw materials is equal
It is even to be layered on graphite powder, it is then uniformly spread on Cu material into whole Ni blocks, repaves the coverture into 3cm thickness, blow-on is warming up to entirely
After portion's metal melt, whole Pb block, Fe block, Si block and Mn block is added, stirring to metal all after fusing, adds whole Al blocks
With Zn block, 4min is kept the temperature, so that molten metal is deaerated, heating furnace is induction furnace；
(3) whole Sn blocks, Mg block, trace and REE elements are then sequentially added into step (2) resulting mixture and are remained
Remaining Cu block, mixes slowly, and after metal all fusing, removing dross makes melt temperature be reduced to 1000 DEG C DEG C, by molten metal
Injection pours in pattern tool, and coverture and cooling 5min is added, until metal surface crusts to form ingot, then forces to be cooled to
Room temperature takes out ingot to get metastable state microstructure body alloy.
Embodiment 2:
A kind of metastable state microstructure body alloy, the alloy includes following components by mass percentage: Cu 45%, Ni
18%, Zn 15%, Sn 12.5%, Pb 1.5%, Fe 2.5%, Si 3%, Mn 2%, Al 0.3%, Mg 0.1% and micro-
Secondary element combination 0.1%；Trace element suite is combined into the combination of tetra- kinds of elements of Re, Ti, Cr and Mo.
Prepare metastable state microstructure body alloy using above-mentioned raw materials, the preparation method of the alloy the following steps are included:
(1) prepare raw material, weigh following each component: Cu 45%, Ni 18%, Zn 15%, Sn by mass percentage
12.5%, Pb 1.5%, Fe 2.5%, Si 3%, Mn 2%, Al 0.3%, Mg 0.1% and trace and REE elements 0.1%,
Trace element suite is combined into the combination of tetra- kinds of elements of Re, Ti, Cr and Mo, and each component is block of the purity 99.9% or more,
Volume≤2cm of block3；
(2) graphite powder into 3cm thickness is spread in the crucible of heating furnace, the half for by weight expecting Cu in above-mentioned raw materials is equal
It is even to be layered on graphite powder, it is then uniformly spread on Cu material into whole Ni blocks, repaves the coverture into 3cm thickness, blow-on is warming up to entirely
After portion's metal melt, whole Pb block, Fe block, Si block and Mn block is added, stirring to metal all after fusing, adds whole Al blocks
With Zn block, 4min is kept the temperature, so that molten metal is deaerated, heating furnace is induction furnace；
(3) whole Sn blocks, Mg block, trace and REE elements are then sequentially added into step (2) resulting mixture and are remained
Remaining Cu block, mixes slowly, and after metal all fusing, removing dross makes melt temperature be reduced to 1050 DEG C, molten metal is infused
Enter to pour in pattern tool, coverture and cooling 6min is added, until metal surface crusts to form ingot, then forces to be cooled to room
Temperature takes out ingot to get metastable state microstructure body alloy.
Embodiment 3:
A kind of metastable state microstructure body alloy, the alloy includes following components by mass percentage: Cu 58%, Ni
15%, Zn 8%, Sn 7%, Pb 1%, Fe 5%, Si 1%, Mn 2.5%, Al 1.45%, Mg 0.55% and micro member
Element combination 0.5%；Trace element suite is combined into the combination of five kinds of elements of Re, Ti, Cr, Mo and W.
Prepare metastable state microstructure body alloy using above-mentioned raw materials, the preparation method of the alloy the following steps are included:
(1) prepare raw material, weigh following each component: Cu 58%, Ni 15%, Zn 8%, Sn by mass percentage
7%, Pb 1%, Fe 5%, Si 1%, Mn 2.5%, Al 1.45%, Mg 0.55% and trace and REE elements 0.5%, it is micro
Element combinations are the combination of five kinds of elements of Re, Ti, Cr, Mo and W, and each component is block of the purity 99.9% or more, block
Volume≤2cm of shape object3；
(2) graphite powder into 3cm thickness is spread in the crucible of heating furnace, the half for by weight expecting Cu in above-mentioned raw materials is equal
It is even to be layered on graphite powder, it is then uniformly spread on Cu material into whole Ni blocks, repaves the coverture into 3cm thickness, blow-on is warming up to entirely
After portion's metal melt, whole Pb block, Fe block, Si block and Mn block is added, stirring to metal all after fusing, adds whole Al blocks
With Zn block, 5min is kept the temperature, so that molten metal is deaerated, heating furnace is induction furnace；
(3) whole Sn blocks, Mg block, trace and REE elements are then sequentially added into step (2) resulting mixture and are remained
Remaining Cu block, mixes slowly, and after metal all fusing, removing dross makes melt temperature be reduced to 1175 DEG C, molten metal is infused
Enter to pour in pattern tool, coverture and cooling 8min is added, until metal surface crusts to form ingot, then forces to be cooled to room
Temperature takes out ingot to get metastable state microstructure body alloy.
Embodiment 4:
A kind of metastable state microstructure body alloy, the alloy includes following components by mass percentage: Cu 60%, Ni
11%, Zn 11%, Sn 9%, Pb 2%, Fe 2%, Si 2%, Mn 2.3%, Al 0.42%, Mg 0.08% and micro member
Element combination 0.2%；Trace element suite is combined into the combination of six kinds of elements of Re, Ti, Cr, Mo, W and Zr.
Prepare metastable state microstructure body alloy using above-mentioned raw materials, the preparation method of the alloy the following steps are included:
(1) prepare raw material, weigh following each component: Cu 60%, Ni 11%, Zn 11%, Sn by mass percentage
9%, Pb 2%, Fe 2%, Si 2%, Mn 2.3%, Al 0.42%, Mg 0.08% and trace and REE elements 0.2%, it is micro
Element combinations are the combination of six kinds of elements of Re, Ti, Cr, Mo, W and Zr, and each component is block of the purity 99.9% or more,
Volume≤2cm of block3；
(2) graphite powder into 3cm thickness is spread in the crucible of heating furnace, the half for by weight expecting Cu in above-mentioned raw materials is equal
It is even to be layered on graphite powder, it is then uniformly spread on Cu material into whole Ni blocks, repaves the coverture into 3cm thickness, blow-on is warming up to entirely
After portion's metal melt, whole Pb block, Fe block, Si block and Mn block is added, stirring to metal all after fusing, adds whole Al blocks
With Zn block, 5min is kept the temperature, so that molten metal is deaerated, heating furnace is induction furnace；
(3) whole Sn blocks, Mg block, trace and REE elements are then sequentially added into step (2) resulting mixture and are remained
Remaining Cu block, mixes slowly, and after metal all fusing, removing dross makes melt temperature be reduced to 1110 DEG C, molten metal is infused
Enter to pour in pattern tool, coverture and cooling 9min is added, until metal surface crusts to form ingot, then forces to be cooled to room
Temperature takes out ingot to get metastable state microstructure body alloy.
Embodiment 5:
A kind of metastable state microstructure body alloy, the alloy includes following components by mass percentage: Cu 60%, Ni
10%, Zn 8%, Sn 10%, Pb 2%, Fe 4%, Si 3%, Mn 1.5%, Al 0.9%, Mg 0.5% and microelement
Combination 0.1%；Trace element suite is combined into the combination of seven kinds of elements of Re, Ti, Cr, Mo, W, Zr, Bi.
Prepare metastable state microstructure body alloy using above-mentioned raw materials, the preparation method of the alloy the following steps are included:
(1) prepare raw material, weigh following each component: Cu 60%, Ni 10%, Zn 8%, Sn by mass percentage
10%, Pb 2%, Fe 4%, Si 3%, Mn 1.5%, Al 0.9%, Mg 0.5% and trace and REE elements 0.1%, it is micro
Element combinations are the combination of seven kinds of elements of Re, Ti, Cr, Mo, W, Zr, Bi, and each component is bulk of the purity 99.9% or more
Object, volume≤2cm of block3；
(2) graphite powder into 3cm thickness is spread in the crucible of heating furnace, the half for by weight expecting Cu in above-mentioned raw materials is equal
It is even to be layered on graphite powder, it is then uniformly spread on Cu material into whole Ni blocks, repaves the coverture into 3cm thickness, blow-on is warming up to entirely
After portion's metal melt, whole Pb block, Fe block, Si block and Mn block is added, stirring to metal all after fusing, adds whole Al blocks
With Zn block, 6min is kept the temperature, so that molten metal is deaerated, heating furnace is induction furnace；
(3) whole Sn blocks, Mg block, trace and REE elements are then sequentially added into step (2) resulting mixture and are remained
Remaining Cu block, mixes slowly, and after metal all fusing, removing dross makes melt temperature be reduced to 1300 DEG C, molten metal is infused
Enter to pour in pattern tool, coverture and cooling 10min is added, until metal surface crusts to form ingot, then forces to be cooled to
Room temperature takes out ingot to get metastable state microstructure body alloy.
Embodiment 6:
A kind of metastable state microstructure body alloy, the alloy includes following components by mass percentage: Cu 55%, Ni
12%, Zn 20%, Sn 5%, Pb 2%, Fe 2%, Si 1.15%, Mn 0.35%, Al 1.5%, Mg 0.5% and micro
Element combinations 0.5%；Trace element suite is combined into the combination of eight kinds of elements of Re, Ti, Cr, Mo, W, Zr, Bi and B.
Prepare metastable state microstructure body alloy using above-mentioned raw materials, the preparation method of the alloy the following steps are included:
(1) prepare raw material, weigh following each component: Cu 55%, Ni 12%, Zn 20%, Sn by mass percentage
5%, Pb 2%, Fe 2%, Si 1.15%, Mn 0.35%, Al 1.5%, Mg 0.5% and trace and REE elements 0.5%, it is micro-
Secondary element group is combined into the combination of eight kinds of elements of Re, Ti, Cr, Mo, W, Zr, Bi and B, and each component is purity 99.9% or more
Block, volume≤2cm of block3；
(2) graphite powder into 3cm thickness is spread in the crucible of heating furnace, the half for by weight expecting Cu in above-mentioned raw materials is equal
It is even to be layered on graphite powder, it is then uniformly spread on Cu material into whole Ni blocks, repaves the coverture into 3cm thickness, blow-on is warming up to entirely
After portion's metal melt, whole Pb block, Fe block, Si block and Mn block is added, stirring to metal all after fusing, adds whole Al blocks
With Zn block, 6min is kept the temperature, so that molten metal is deaerated, heating furnace is induction furnace；
(3) whole Sn blocks, Mg block, trace and REE elements are then sequentially added into step (2) resulting mixture and are remained
Remaining Cu block, mixes slowly, and after metal all fusing, removing dross makes melt temperature be reduced to 1350 DEG C, molten metal is infused
Enter to pour in pattern tool, coverture and cooling 12min is added, until metal surface crusts to form ingot, then forces to be cooled to
Room temperature takes out ingot to get metastable state microstructure body alloy.
Fig. 1 is the metallographic microscope of metastable state microstructure body alloy material prepared by the embodiment of the present invention 1, can be with from figure
Find out, the crystal grain of the metastable state microstructure body alloy is at 10 μm or less.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
Claims (10)
1. a kind of metastable state microstructure body alloy, which is characterized in that the alloy includes following components by mass percentage: Cu
35%-80%, Ni 10%-25%, Zn 5%-35%, Sn 1%-15%, Mn 0.05%-4% and Fe 0.1%-5%.
2. a kind of metastable state microstructure body alloy according to claim 1, which is characterized in that the conjunction by mass percentage
Gold further includes following components: Pb 0.5%-2%, Si 0.01%-3%, Al 0.01%-3%, Mg 0.01%-2% and micro
Element combinations 0.001%-0.8%.
3. a kind of metastable state microstructure body alloy according to claim 2, which is characterized in that the conjunction by mass percentage
Gold includes following components: Cu 40%-60%, Ni 5%-15%, Zn 8%-25%, Sn 5%-15%, Pb 0.75%-
1.5%, Fe 0.5%-5%, Si 0.05%-3%, Mn 0.05%-3%, Al 0.01%-2%, Mg 0.02%-0.5%
With trace and REE elements 0.05%-0.8%.
4. a kind of metastable state microstructure body alloy according to claim 3, which is characterized in that the conjunction by mass percentage
Gold include following components: Cu 40%-50%, Ni 10%-15%, Zn 8%-20%, Sn 5%-10%, Pb 3%-5%,
Fe 2%-5%, Si 0.05%-2%, Mn 0.05%-2%, Al 0.01%-1%, Mg 0.02%-0.3% and micro member
Element combination 0.05%-0.6%.
5. a kind of metastable state microstructure body alloy according to claim 4, which is characterized in that the conjunction by mass percentage
Gold includes following components: Cu 50%, Ni 16%, Zn 18%, Sn 6%, Pb 3.5%, Fe 2.5%, Si 1.35%, Mn
1.735%, Al 0.85%, Mg 0.05% and trace and REE elements 0.015%.
6. a kind of metastable state microstructure body alloy according to any one of claim 2 to 5, which is characterized in that described
Trace element suite is combined into the combination of the three kinds or more element in Re, Ti, Cr, Mo, W, Zr, Bi, B.
7. a kind of preparation method of metastable state microstructure body alloy, which is characterized in that the preparation method of the alloy includes following
Step:
(1) prepare raw material, weigh Cu, Ni, Zn, Sn, Pb, Fe, Si, Mn, Al, Mg and trace and REE elements；
(2) high melt obtains liquid metal；
(3) it injects in mold, it is cooling, ingot is taken out to get metastable state microstructure body alloy.
8. a kind of preparation method of metastable state microstructure body alloy according to claim 7, which is characterized in that the alloy
Preparation method the following steps are included:
(1) prepare raw material, weigh following each component: Cu, Ni, Zn, Sn, Pb, Fe, Si, Mn, Al, Mg and trace and REE elements；
(2) it spreads in the crucible of heating furnace into graphite powder, the half expected of Cu in above-mentioned raw materials is layered on graphite powder by weight,
Then enter Ni block on Cu material upper berth, repave into coverture, after blow-on is warming up to whole metal melts, Pb block, Fe block, Si block is added
With Mn block, stirring to metal all after fusing, adds Al block and Zn block, keeps the temperature, molten metal is made to deaerate；
(3) Sn block, Mg block, trace and REE elements and remaining Cu block are then sequentially added into step (2) resulting mixture,
Stirring, after metal whole fusing, removing dross, cooling pours molten metal injection in pattern tool, and addition coverture is simultaneously cold
But, until metal surface crusts to form ingot, cooling is forced, takes out ingot to get metastable state microstructure body alloy.
9. a kind of preparation method of metastable state microstructure body alloy according to claim 8, which is characterized in that the alloy
Preparation method the following steps are included:
(1) prepare raw material, weigh following each component: Cu 35%-80%, Ni 10%-25%, Zn by mass percentage
5%-35%, Sn 1%-15%, Pb 0.5%-2%, Fe 0.1%-5%, Si 0.01%-3%, Mn 0.05%-4%, Al
0.01%-3%, Mg 0.01%-2% and trace and REE elements 0.001%-0.8%；
(2) graphite powder into 3cm thickness is spread in the crucible of heating furnace, the semi-homogeneous for by weight expecting Cu in above-mentioned raw materials is spread
It on graphite powder, is then uniformly spread on Cu material into whole Ni blocks, repaves the coverture into 3cm thickness, blow-on is warming up to whole gold
Belong to after melting, whole Pb block, Fe block, Si block and Mn block is added, stirring to metal all after fusing, adds whole Al blocks and Zn
Block keeps the temperature 4-6min, molten metal is made to deaerate；
(3) whole Sn blocks, Mg block, trace and REE elements and remaining are then sequentially added into step (2) resulting mixture
Cu block, mixes slowly, and after metal all fusing, removing dross makes melt temperature be reduced to 1000 DEG C -1350 DEG C, by melt gold
Belong to injection to pour in pattern tool, coverture is added and then cooling 5-12min is forced until metal surface crusts to form ingot
It is cooled to room temperature, takes out ingot to get metastable state microstructure body alloy.
10. a kind of preparation method of metastable state microstructure body alloy according to any one of claims 7 to 9, special
Sign is: each component is block of the purity 99.9% or more in the step (1), and the volume of the block≤
2cm3；Heating furnace in the step (2) is induction furnace.
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| CN111519065A (en) * | 2020-04-29 | 2020-08-11 | 西安同为工业技术有限公司 | Alloy material with scale prevention function and preparation method thereof |
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