CN107099706A - A kind of high rigidity materials for prups and preparation method thereof - Google Patents
A kind of high rigidity materials for prups and preparation method thereof Download PDFInfo
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- CN107099706A CN107099706A CN201710300856.4A CN201710300856A CN107099706A CN 107099706 A CN107099706 A CN 107099706A CN 201710300856 A CN201710300856 A CN 201710300856A CN 107099706 A CN107099706 A CN 107099706A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium 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
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/053—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with zinc as the next major constituent
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Abstract
The invention discloses a kind of high rigidity materials for prups and preparation method thereof, the alloy is made up of the composition below according to mass percent：Beryllium 0.55 0.95%, silicon 3.2 4.0%, hafnium 0.1 0.5%, vanadium 1.3 1.7%, zinc 11.1 11.9%, surplus is aluminium.By vanadium, silicon, zinc, aluminium be put into heating in vacuum in vacuum melting furnace crucible, be filled with inert gas heating stirring, cooling, then with hafnium, beryllium heating in vacuum, be filled with inert gas heating, stand, heat treatment after produce alloy.The present invention adds the elements such as hafnium, beryllium on the basis of aluminium, zinc, silicon, the characteristics of excellent wearability, hardness are high, plasticity is good is had more by the alloy that rationally control preparation technology is obtained, and it is corrosion-resistant, stay in grade is homogeneous, the parts such as impeller, conveyance conduit, valve for pump, corrosion-resistant, wear-resisting, service life is long.Purity requirement of the present invention to preparing environment and raw material is relatively low, environmentally safe, it is adaptable to industrialized production.
Description
Technical field
The present invention relates to alloy, specifically a kind of high rigidity materials for prups and preparation method thereof.
Background technology
Pump is trandfer fluid or makes the machinery of fluid pressurized.It sends the mechanical energy of prime mover or other external energies to
Liquid, increases liquid energy.Pump is mainly used to the liquid such as conveying water, oil, acid ＆ alkali liquid, emulsion, suspended emulsion and liquid metal,
Also liquid, gas mixture and the liquid containing suspended solids can be conveyed.The environment of pump work is various, badly, and the requirement to material is very
Height, the alloy of current pump has varied, and technology has a great progress, but still with the presence of many problems, such as wearability, hard
Degree, rustless property, decay resistance, high and low temperature resistance, fragility, toughness etc., wanting for production is not met by many occasions
Ask, in addition it is also necessary to further improve, to improve production efficiency, reduce cost, improve security, guarantor is provided for high-quality precision and sophisticated technology development
Barrier.
The content of the invention
It is an object of the invention to provide a kind of high rigidity materials for prups and preparation method thereof, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme：
A kind of high rigidity materials for prups, is made up of the composition below according to mass percent：Beryllium 0.55-0.95%, silicon 3.2-
4.0%th, hafnium 0.1-0.5%, vanadium 1.3-1.7%, zinc 11.1-11.9%, surplus is aluminium.
It is used as further scheme of the invention：The high rigidity materials for prups, by below according to the composition of mass percent
Composition：Beryllium 0.65-0.85%, silicon 3.4-3.8%, hafnium 0.2-0.4%, vanadium 1.4-1.6%, zinc 11.3-11.7%, surplus is aluminium.
It is used as further scheme of the invention：The high rigidity materials for prups, by below according to the composition of mass percent
Composition：Beryllium 0.75%, silicon 3.6%, hafnium 0.3%, vanadium 1.5%, zinc 11.5%, surplus is aluminium.
A kind of preparation method of high rigidity materials for prups, comprises the following steps：
1）Vanadium, silicon, zinc, aluminium are put into vacuum melting furnace crucible, 5 × 10 are evacuated to-3More than Pa, is started to warm up, and treats temperature
Rise to and keep 1.5-1.8h after 750-800 DEG C at such a temperature, stop vacuumizing and to true when being continuously heating to 1000-1050 DEG C
Inert gas is filled with empty smelting furnace to 8.8 × 103Pa, stirs 0.6-0.8h at such a temperature；Then proceed to be warming up to 1200-
1220 DEG C, inert gas is re-filled with to 3.2 × 104Pa, stirs 0.8-0.9h at such a temperature；Aluminium alloy is cooled down, in obtaining
Between alloy；
2）Intermediate alloy and hafnium, beryllium are inserted in vacuum melting furnace crucible, 7 × 10 are evacuated to-3More than Pa, is started to warm up, and is treated
Temperature rises to keeps 0.4-0.5h at such a temperature after 750-800 DEG C, when being continuously heating to 950-980 DEG C stop vacuumize and to
Inert gas is filled with vacuum melting furnace to 3.5 × 103Pa, stirs 0.5-0.6h at such a temperature；Then proceed to be warming up to
1310-1320 DEG C, inert gas is re-filled with to 2.8 × 104Pa, stands 1-1.2h；Refining is produced after examining bath composition qualified
Liquid；
3）Heat treatment：Refining liquid is homogenized after 24-25h after water quenching to room temperature under the conditions of 550 DEG C, then is warming up to 230-250
DEG C carry out 16-17h Ageing Treatment, produce alloy.
It is used as further scheme of the invention：Step 1）In, stop vacuumizing when being continuously heating to 1020 DEG C.
It is used as further scheme of the invention：Step 2）In, stop vacuumizing when being continuously heating to 960 DEG C.
It is used as further scheme of the invention：Step 2）In, time of repose is 1.1h.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention adds the elements such as hafnium, beryllium on the basis of aluminium, zinc, silicon, improves the hardness and anti-wear performance of alloy, adds
The thermostrength of alloy, toughness；Excellent wearability, hardness are had more by the alloy that rationally control preparation technology is obtained
It is high, the characteristics of plasticity is good, and corrosion-resistant, stay in grade is homogeneous, resistance to for parts such as the impellers, conveyance conduit, valve of pump
Burn into is wear-resisting, and service life is long.Purity requirement of the present invention to preparing environment and raw material is relatively low, environmentally safe, is applicable
In industrialized production.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of high rigidity materials for prups is made up of the composition below according to mass percent：Beryllium 0.55%,
Silicon 3.2%, hafnium 0.1%, vanadium 1.3%, zinc 11.1%, surplus is aluminium.Vanadium, silicon, zinc, aluminium are put into vacuum melting furnace crucible, take out true
It is empty to 5 × 10-3More than Pa, is started to warm up, and is kept 1.5h at such a temperature after temperature rises to 750 DEG C, is continuously heating to 1000
DEG C when stop vacuumize and inert gas be filled with into vacuum melting furnace to 8.8 × 103Pa, stirs 0.6h at such a temperature；So
After be continuously heating to 1200 DEG C, be re-filled with inert gas to 3.2 × 104Pa, stirs 0.8h at such a temperature；Aluminium alloy is cold
But, intermediate alloy is obtained.Intermediate alloy and hafnium, beryllium are inserted in vacuum melting furnace crucible, 7 × 10 are evacuated to-3More than Pa, is opened
Begin heating, keep 0.4h at such a temperature after temperature rises to 750 DEG C, stop vacuumizing and to true when being continuously heating to 950 DEG C
Inert gas is filled with empty smelting furnace to 3.5 × 103Pa, stirs 0.5h at such a temperature；Then proceed to be warming up to 1310 DEG C, then
Inert gas is filled with to 2.8 × 104Pa, stands 1h；Refining liquid is produced after examining bath composition qualified.By refining liquid at 550 DEG C
Under the conditions of after homogenization 24h after water quenching to room temperature, then be warming up to 230 DEG C of progress 16h Ageing Treatments, produce alloy.
Embodiment 2
In the embodiment of the present invention, a kind of high rigidity materials for prups is made up of the composition below according to mass percent：Beryllium 0.95%,
Silicon 4.0%, hafnium 0.5%, vanadium 1.7%, zinc 11.9%, surplus is aluminium.Vanadium, silicon, zinc, aluminium are put into vacuum melting furnace crucible, take out true
It is empty to 5 × 10-3More than Pa, is started to warm up, and is kept 1.8h at such a temperature after temperature rises to 800 DEG C, is continuously heating to 1050
DEG C when stop vacuumize and inert gas be filled with into vacuum melting furnace to 8.8 × 103Pa, stirs 0.8h at such a temperature；So
After be continuously heating to 1220 DEG C, be re-filled with inert gas to 3.2 × 104Pa, stirs 0.9h at such a temperature；Aluminium alloy is cold
But, intermediate alloy is obtained.Intermediate alloy and hafnium, beryllium are inserted in vacuum melting furnace crucible, 7 × 10 are evacuated to-3More than Pa, is opened
Begin heating, keep 0.5h at such a temperature after temperature rises to 800 DEG C, stop vacuumizing and to true when being continuously heating to 980 DEG C
Inert gas is filled with empty smelting furnace to 3.5 × 103Pa, stirs 0.6h at such a temperature；Then proceed to be warming up to 1320 DEG C, then
Inert gas is filled with to 2.8 × 104Pa, stands 1.2h；Refining liquid is produced after examining bath composition qualified.By refining liquid 550
Homogenized under the conditions of DEG C after 25h after water quenching to room temperature, then be warming up to 250 DEG C of progress 17h Ageing Treatment, produce alloy.
Embodiment 3
In the embodiment of the present invention, a kind of high rigidity materials for prups is made up of the composition below according to mass percent：Beryllium 0.65%,
Silicon 3.4%, hafnium 0.2%, vanadium 1.4%, zinc 11.3%, surplus is aluminium.Vanadium, silicon, zinc, aluminium are put into vacuum melting furnace crucible, take out true
It is empty to 5 × 10-3More than Pa, is started to warm up, and is kept 1.6h at such a temperature after temperature rises to 780 DEG C, is continuously heating to 1020
DEG C when stop vacuumize and inert gas be filled with into vacuum melting furnace to 8.8 × 103Pa, stirs 0.7h at such a temperature；So
After be continuously heating to 1210 DEG C, be re-filled with inert gas to 3.2 × 104Pa, stirs 0.85h at such a temperature；Aluminium alloy is cold
But, intermediate alloy is obtained.Intermediate alloy and hafnium, beryllium are inserted in vacuum melting furnace crucible, 7 × 10 are evacuated to-3More than Pa, is opened
Begin heating, keep 0.45h at such a temperature after temperature rises to 780 DEG C, stop vacuumizing and to true when being continuously heating to 960 DEG C
Inert gas is filled with empty smelting furnace to 3.5 × 103Pa, stirs 0.55h at such a temperature；Then proceed to be warming up to 1315 DEG C,
Inert gas is re-filled with to 2.8 × 104Pa, stands 1.1h；Refining liquid is produced after examining bath composition qualified.Refining liquid is existed
Homogenized under the conditions of 550 DEG C after 24.5h after water quenching to room temperature, then be warming up to 240 DEG C of progress 16.5h Ageing Treatment, produce conjunction
Gold.
Embodiment 4
In the embodiment of the present invention, a kind of high rigidity materials for prups is made up of the composition below according to mass percent：Beryllium 0.85%,
Silicon 3.8%, hafnium 0.4%, vanadium 1.6%, zinc 11.7%, surplus is aluminium.Vanadium, silicon, zinc, aluminium are put into vacuum melting furnace crucible, take out true
It is empty to 5 × 10-3More than Pa, is started to warm up, and is kept 1.6h at such a temperature after temperature rises to 780 DEG C, is continuously heating to 1020
DEG C when stop vacuumize and inert gas be filled with into vacuum melting furnace to 8.8 × 103Pa, stirs 0.7h at such a temperature；So
After be continuously heating to 1210 DEG C, be re-filled with inert gas to 3.2 × 104Pa, stirs 0.85h at such a temperature；Aluminium alloy is cold
But, intermediate alloy is obtained.Intermediate alloy and hafnium, beryllium are inserted in vacuum melting furnace crucible, 7 × 10 are evacuated to-3More than Pa, is opened
Begin heating, keep 0.45h at such a temperature after temperature rises to 780 DEG C, stop vacuumizing and to true when being continuously heating to 960 DEG C
Inert gas is filled with empty smelting furnace to 3.5 × 103Pa, stirs 0.55h at such a temperature；Then proceed to be warming up to 1315 DEG C,
Inert gas is re-filled with to 2.8 × 104Pa, stands 1.1h；Refining liquid is produced after examining bath composition qualified.Refining liquid is existed
Homogenized under the conditions of 550 DEG C after 24.5h after water quenching to room temperature, then be warming up to 240 DEG C of progress 16.5h Ageing Treatment, produce conjunction
Gold.
Embodiment 5
In the embodiment of the present invention, a kind of high rigidity materials for prups is made up of the composition below according to mass percent：Beryllium 0.75%,
Silicon 3.6%, hafnium 0.3%, vanadium 1.5%, zinc 11.5%, surplus is aluminium.Vanadium, silicon, zinc, aluminium are put into vacuum melting furnace crucible, take out true
It is empty to 5 × 10-3More than Pa, is started to warm up, and is kept 1.6h at such a temperature after temperature rises to 780 DEG C, is continuously heating to 1020
DEG C when stop vacuumize and inert gas be filled with into vacuum melting furnace to 8.8 × 103Pa, stirs 0.7h at such a temperature；So
After be continuously heating to 1210 DEG C, be re-filled with inert gas to 3.2 × 104Pa, stirs 0.85h at such a temperature；Aluminium alloy is cold
But, intermediate alloy is obtained.Intermediate alloy and hafnium, beryllium are inserted in vacuum melting furnace crucible, 7 × 10 are evacuated to-3More than Pa, is opened
Begin heating, keep 0.45h at such a temperature after temperature rises to 780 DEG C, stop vacuumizing and to true when being continuously heating to 960 DEG C
Inert gas is filled with empty smelting furnace to 3.5 × 103Pa, stirs 0.55h at such a temperature；Then proceed to be warming up to 1315 DEG C,
Inert gas is re-filled with to 2.8 × 104Pa, stands 1.1h；Refining liquid is produced after examining bath composition qualified.Refining liquid is existed
Homogenized under the conditions of 550 DEG C after 24.5h after water quenching to room temperature, then be warming up to 240 DEG C of progress 16.5h Ageing Treatment, produce conjunction
Gold.
Embodiment 6
In the embodiment of the present invention, a kind of high rigidity materials for prups is made up of the composition below according to mass percent：Beryllium 0.7%,
Silicon 3.5%, hafnium 0.25%, vanadium 1.45%, zinc 11.4%, surplus is aluminium.Vanadium, silicon, zinc, aluminium are put into vacuum melting furnace crucible, taken out
Vacuum is to 5 × 10-3More than Pa, is started to warm up, and is kept 1.6h at such a temperature after temperature rises to 780 DEG C, is continuously heating to
Stop vacuumizing and being filled with inert gas into vacuum melting furnace to 8.8 × 10 at 1020 DEG C3Pa, is stirred at such a temperature
0.7h；Then proceed to be warming up to 1210 DEG C, be re-filled with inert gas to 3.2 × 104Pa, stirs 0.85h at such a temperature；It will close
Golden liquid cooling, obtains intermediate alloy.Intermediate alloy and hafnium, beryllium are inserted in vacuum melting furnace crucible, 7 × 10 are evacuated to-3Pa
More than, start to warm up, 0.45h is kept at such a temperature after temperature rises to 780 DEG C, stop taking out true when being continuously heating to 960 DEG C
Sky is simultaneously filled with inert gas into vacuum melting furnace to 3.5 × 103Pa, stirs 0.55h at such a temperature；Then proceed to be warming up to
1315 DEG C, inert gas is re-filled with to 2.8 × 104Pa, stands 1.1h；Refining liquid is produced after examining bath composition qualified.By essence
Liquid is refined under the conditions of 550 DEG C after homogenization 24.5h after water quenching to room temperature, then is warming up to 240 DEG C of progress 16.5h Ageing Treatments,
Produce alloy.
Embodiment 7
In the embodiment of the present invention, a kind of high rigidity materials for prups is made up of the composition below according to mass percent：Beryllium 0.8%,
Silicon 3.7%, hafnium 0.35%, vanadium 1.55%, zinc 11.6%, surplus is aluminium.Vanadium, silicon, zinc, aluminium are put into vacuum melting furnace crucible, taken out
Vacuum is to 5 × 10-3More than Pa, is started to warm up, and is kept 1.6h at such a temperature after temperature rises to 780 DEG C, is continuously heating to
Stop vacuumizing and being filled with inert gas into vacuum melting furnace to 8.8 × 10 at 1020 DEG C3Pa, is stirred at such a temperature
0.7h；Then proceed to be warming up to 1210 DEG C, be re-filled with inert gas to 3.2 × 104Pa, stirs 0.85h at such a temperature；It will close
Golden liquid cooling, obtains intermediate alloy.Intermediate alloy and hafnium, beryllium are inserted in vacuum melting furnace crucible, 7 × 10 are evacuated to-3Pa
More than, start to warm up, 0.45h is kept at such a temperature after temperature rises to 780 DEG C, stop taking out true when being continuously heating to 960 DEG C
Sky is simultaneously filled with inert gas into vacuum melting furnace to 3.5 × 103Pa, stirs 0.55h at such a temperature；Then proceed to be warming up to
1315 DEG C, inert gas is re-filled with to 2.8 × 104Pa, stands 1.1h；Refining liquid is produced after examining bath composition qualified.By essence
Liquid is refined under the conditions of 550 DEG C after homogenization 24.5h after water quenching to room temperature, then is warming up to 240 DEG C of progress 16.5h Ageing Treatments,
Produce alloy.
It is as shown in table 1 that alloy property is made in 1-7 of the embodiment of the present invention.The present invention is while high rigidity is ensured, bending resistance is strong
Degree and fracture toughness are also high.
Table 1
| Hardness HRA | Bending strength MPa | Fracture toughness MPam1/2 | |
| Embodiment 1 | 90.3 | 3000 | 16.0 |
| Embodiment 2 | 90.6 | 3150 | 16.1 |
| Embodiment 3 | 93.1 | 3360 | 17.3 |
| Embodiment 4 | 93.8 | 3410 | 17.8 |
| Embodiment 5 | 96.2 | 3550 | 18.6 |
| Embodiment 6 | 94.8 | 3450 | 18.0 |
| Embodiment 7 | 95.1 | 3480 | 18.1 |
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and do not carrying on the back
In the case of spirit or essential attributes from the present invention, the present invention can be realized in other specific forms.Therefore, no matter from which
From the point of view of a bit, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention will by appended right
Ask rather than described above is limited, it is intended that all changes in the implication and scope of the equivalency of claim will be fallen
Include in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (7)
1. a kind of high rigidity materials for prups, it is characterised in that be made up of the composition below according to mass percent：Beryllium 0.55-
0.95%th, silicon 3.2-4.0%, hafnium 0.1-0.5%, vanadium 1.3-1.7%, zinc 11.1-11.9%, surplus is aluminium.
2. high rigidity materials for prups according to claim 1, it is characterised in that by below according to the composition of mass percent
Composition：Beryllium 0.65-0.85%, silicon 3.4-3.8%, hafnium 0.2-0.4%, vanadium 1.4-1.6%, zinc 11.3-11.7%, surplus is aluminium.
3. high rigidity materials for prups according to claim 1, it is characterised in that by below according to the composition of mass percent
Composition：Beryllium 0.75%, silicon 3.6%, hafnium 0.3%, vanadium 1.5%, zinc 11.5%, surplus is aluminium.
4. a kind of preparation method of high rigidity materials for prups, it is characterised in that comprise the following steps：
1）Vanadium, silicon, zinc, aluminium are put into vacuum melting furnace crucible, 5 × 10 are evacuated to-3More than Pa, is started to warm up, and treats temperature
Rise to and keep 1.5-1.8h after 750-800 DEG C at such a temperature, stop vacuumizing and to true when being continuously heating to 1000-1050 DEG C
Inert gas is filled with empty smelting furnace to 8.8 × 103Pa, stirs 0.6-0.8h at such a temperature；Then proceed to be warming up to 1200-
1220 DEG C, inert gas is re-filled with to 3.2 × 104Pa, stirs 0.8-0.9h at such a temperature；Aluminium alloy is cooled down, in obtaining
Between alloy；
2）Intermediate alloy and hafnium, beryllium are inserted in vacuum melting furnace crucible, 7 × 10 are evacuated to-3More than Pa, is started to warm up, and is treated
Temperature rises to keeps 0.4-0.5h at such a temperature after 750-800 DEG C, when being continuously heating to 950-980 DEG C stop vacuumize and to
Inert gas is filled with vacuum melting furnace to 3.5 × 103Pa, stirs 0.5-0.6h at such a temperature；Then proceed to be warming up to
1310-1320 DEG C, inert gas is re-filled with to 2.8 × 104Pa, stands 1-1.2h；Refining is produced after examining bath composition qualified
Liquid；
3）Heat treatment：Refining liquid is homogenized after 24-25h after water quenching to room temperature under the conditions of 550 DEG C, then is warming up to 230-250
DEG C carry out 16-17h Ageing Treatment, produce alloy.
5. the preparation method of high rigidity materials for prups according to claim 1, it is characterised in that step 1）In, continue to rise
Temperature to stopping at 1020 DEG C is vacuumized.
6. the preparation method of high rigidity materials for prups according to claim 1, it is characterised in that step 2）In, continue to rise
Temperature to stopping at 960 DEG C is vacuumized.
7. the preparation method of high rigidity materials for prups according to claim 1, it is characterised in that step 2）In, during standing
Between be 1.1h.
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