CN108707779A - A kind of high manganic aluminum bronze alloy propeller - Google Patents
A kind of high manganic aluminum bronze alloy propeller Download PDFInfo
- Publication number
- CN108707779A CN108707779A CN201810567597.6A CN201810567597A CN108707779A CN 108707779 A CN108707779 A CN 108707779A CN 201810567597 A CN201810567597 A CN 201810567597A CN 108707779 A CN108707779 A CN 108707779A
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- raw material
- aluminum bronze
- bronze alloy
- propeller
- copper water
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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
- C22C9/05—Alloys based on copper with manganese as the next major constituent
-
- 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
-
- 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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
The present invention relates to a kind of high manganic aluminum bronze alloy propellers, which is characterized in that the formula of the propeller blade and respective weight percent are：Manganese 11.5-12.5%, aluminium 7.0-7.5%, iron 3.0-4.0%, nickel 1.5-2.0%, strontium 0.030-0.035%, zirconium 0.045-0.050%, scandium 0.030-0.035%, titanium 0.040-0.045%, boron 0.0090-0.0095%, surplus are copper；The high manganic aluminum bronze alloy propeller prepared by addition micro- in above-mentioned formula and the preparation method, effectively increase hardness and tensile strength, with higher anti-homogeneous corrosion performance and resistance to electrochemical corrosion energy, lower friction coefficient and higher wear-resisting property.
Description
Technical field
The present invention relates to the manufacturing technology field of propeller more particularly to a kind of high manganic aluminum bronze alloy propellers.
Background technology
High manganic aluminum bronze is that manganese element is added on the basis of common aluminium bronze to further increase its intensity and protect simultaneously
The Albatra metal for holding its plasticity, has been widely used in the parts such as gear, turbine, bearing shell, bushing, nut, propeller
The manufacturing in come to ensure its intensity, wearability and corrosion resistance；However as the further development of industry, to product
Wearability and corrosion resistance be proposed further requirement, while in the prior art it has also been found that being added in copper alloy dilute
Earth elements can effectively play deoxidation, degasification, decontamination catharsis, however be added rare earth element some inherently carry
Toxicity, while excessive be added can cause the decline of copper alloy correlated performance with using, and bring a series of new defects.
Invention content
The technical problem to be solved by the present invention is to；In order to overcome the deficiencies in the prior art and defect, the present invention to carry
A kind of high manganic aluminum bronze alloy propeller is supplied.
The technical solution adopted by the present invention to solve the technical problems is：A kind of high manganic aluminum bronze alloy propeller, it is special
Sign is that the formula of the propeller blade and respective weight percent are：Manganese 11.5-12.5%, aluminium 7.0-7.5%, iron 3.0-
4.0%, nickel 1.5-2.0%, strontium 0.030-0.035%, zirconium 0.045-0.050%, scandium 0.030-0.035%, titanium 0.040-0.045%,
Boron 0.0090-0.0095%, surplus are copper.
Further, the present invention also provides a kind of preparation method of high manganic aluminum bronze alloy propeller, include the following steps：
（1）Raw material preparation：Required raw material is got out, and disposes the greasy dirt on raw material surface, water stain and impurity；
（2）Metering is weighed：Proportioning calculates quality needed for each formula as requested, and makes compensation to volatile component and measure；
（3）Presmelting：Medium frequency induction resistance furnace unit, and the appropriate high manganic aluminum bronze alloy of melting in advance are preheated in advance, with row
Except impurity；
（4）Melting：Each raw material is put into Medium frequency induction resistance furnace unit, keeps feed distribution uniform, while making bulk
Material position is located above in lower section, cobbing, keeps smelting temperature at 1220-1230 DEG C, when raw material is fully melted and to be formed in equipment
After mixing copper water, raw material is suitably stirred；
（5）Refining：High pure nitrogen is passed through to mixing copper water to be refined for 3 minutes；
（6）Slagging-off：Slag-cleaning agent is added into remove impurity into mixing copper water while refining；
（7）It skims：Mixing copper water is poured into casting ladle, after standing 1 minute, steadily scrapes the bits of mixed copper water surface；
（8）Cast：After preheated mold, copper water will be mixed along the cast gate of mold to be suitble to speed to pour into a mould with casting ladle；
（9）It is cooling：After cooling and shaping insulating anticorrosive paint is coated in finished surface.
The beneficial effects of the invention are as follows；
（1）Trace element strontium is added into copper alloy, can effectively purify melt, removal impurity, thinning microstructure, hinder recrystallization
And crystal grain-growth, while copper strontium compound alloy can also be generated in alloy graining cooling procedure, effectively improve the strong of copper alloy
Degree and performance.
（2）Trace Element Titanium is added into copper alloy, Heterogeneous Nucleation can be effectively played and acted on, crystal grain thinning tissue,
Dendritic crystalline region is eliminated, alloy structure hardness is improved, while the solid solution of copper and titanium can also be generated in alloy graining cooling procedure
Reinforced alloys effectively improve the intensity and performance of copper alloy.
（3）Micro- scandium is added into copper alloy, purification and gold can be effectively played, crystal grain thinning improves tissue
It acts on, while the alloy of aluminium and scandium can also be generated in alloy graining cooling procedure, increase Microalloying Effect, inhibition is tied again
Crystalline substance improves stability.
（4）Micro- zirconium is added into copper alloy, the alloy of aluminium and zirconium can also be generated in alloy graining cooling procedure,
The movement of sliding and crystal boundary to dislocation has preferable pinning effect, stable organizational structure.
（5）The addition element boron into copper alloy can effectively play purification, rotten and crystal grain thinning effect, improve
The mechanical strength and plasticity of alloy, while the compound of boron and titanium can also be generated with titanium, effectively improve copper alloy intensity and
Performance, crystal grain thinning tissue eliminate dendritic crystalline region, improve alloy structure hardness, while can also play good deoxidation.
（6）The high manganic aluminum bronze alloy spiral prepared by addition micro- in above-mentioned formula and the preparation method
Paddle effectively increases hardness and tensile strength（Have benefited from the addition of scandium and zr element）, there is higher anti-homogeneous corrosion performance
And resistance to electrochemical corrosion energy（Have benefited from the addition of titanium and boron element）, lower friction coefficient and higher wear-resisting property（
Beneficial to the addition of strontium element）.
Description of the drawings
Fig. 1 is a kind of step flow chart of the preparation method of high manganic aluminum bronze alloy propeller of the present invention.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
A kind of high manganic aluminum bronze alloy propeller, which is characterized in that the formula of the propeller blade and respective weight hundred
Point ratio is：Manganese 11.5-12.5%, aluminium 7.0-7.5%, iron 3.0-4.0%, nickel 1.5-2.0%, strontium 0.030-0.035%, zirconium 0.045-
0.050%, scandium 0.030-0.035%, titanium 0.040-0.045%, boron 0.0090-0.0095%, surplus are copper.
As shown in Figure 1, the preparation method of the high manganic aluminum bronze alloy propeller includes the following steps：
（1）Raw material preparation：Required raw material is got out, and disposes the greasy dirt on raw material surface, water stain and impurity, to avoid extra
Impurity enters the overall performance for influencing alloy；
（2）Metering is weighed：Proportioning calculates quality needed for each formula as requested, and makes compensation to volatile component and measure, sternly
Lattice control the quality of each formula to ensure the overall performance of alloy；
（3）Presmelting：Medium frequency induction resistance furnace unit, and the appropriate high manganic aluminum bronze alloy of melting in advance are preheated in advance, with row
Except impurity；
（4）Melting：Each raw material is put into Medium frequency induction resistance furnace unit, keeps feed distribution uniform, while making bulk
Material position is located above in lower section, cobbing, keeps smelting temperature at 1220-1230 DEG C, when raw material is fully melted and to be formed in equipment
After mixing copper water, raw material is suitably stirred, hot-spot is avoided, is conducive to accelerate fusing；
（5）Refining：High pure nitrogen is passed through to mixing copper water to be refined for 3 minutes, to realize the clean-up effect of degasification removal of impurities；
（6）Slagging-off：Slag-cleaning agent is added into remove impurity into mixing copper water while refining；
（7）It skims：Mixing copper water is poured into casting ladle, after standing 1 minute, steadily scraping the bits of mixed copper water surface prevents slag
Son enters melt；
（8）Cast：After preheated mold, copper water will be mixed along the cast gate of mold to be suitble to speed to pour into a mould with casting ladle, is poured into a mould
The defects of excessive velocities easy to produce stomata, and poring rate easy tos produce cold shut, slag inclusion and misrun again slowly excessively；
（9）It is cooling：Insulating anticorrosive paint is coated in finished surface after cooling and shaping, to further increase insulation and antiseptic property.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (2)
1. a kind of high manganic aluminum bronze alloy propeller, which is characterized in that the formula of the propeller blade and respective weight percent
Than for：Manganese 11.5-12.5%, aluminium 7.0-7.5%, iron 3.0-4.0%, nickel 1.5-2.0%, strontium 0.030-0.035%, zirconium 0.045-
0.050%, scandium 0.030-0.035%, titanium 0.040-0.045%, boron 0.0090-0.0095%, surplus are copper.
2. a kind of high manganic aluminum bronze alloy propeller according to claim 1, it is characterised in that：The high manganic aluminum bronze alloy
The preparation method of propeller includes the following steps：
（1）Raw material preparation：Required raw material is got out, and disposes the greasy dirt on raw material surface, water stain and impurity；
（2）Metering is weighed：Proportioning calculates quality needed for each formula as requested, and makes compensation to volatile component and measure；
（3）Presmelting：Medium frequency induction resistance furnace unit, and the appropriate high manganic aluminum bronze alloy of melting in advance are preheated in advance, with row
Except impurity；
（4）Melting：Each raw material is put into Medium frequency induction resistance furnace unit, keeps feed distribution uniform, while making bulk
Material position is located above in lower section, cobbing, keeps smelting temperature at 1220-1230 DEG C, when raw material is fully melted and to be formed in equipment
After mixing copper water, raw material is suitably stirred；
（5）Refining：High pure nitrogen is passed through to mixing copper water to be refined for 3 minutes；
（6）Slagging-off：Slag-cleaning agent is added into remove impurity into mixing copper water while refining；
（7）It skims：Mixing copper water is poured into casting ladle, after standing 1 minute, steadily scrapes the bits of mixed copper water surface；
（8）Cast：After preheated mold, copper water will be mixed along the cast gate of mold to be suitble to speed to pour into a mould with casting ladle；
（9）It is cooling：After cooling and shaping insulating anticorrosive paint is coated in finished surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567597.6A CN108707779A (en) | 2018-06-05 | 2018-06-05 | A kind of high manganic aluminum bronze alloy propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567597.6A CN108707779A (en) | 2018-06-05 | 2018-06-05 | A kind of high manganic aluminum bronze alloy propeller |
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| Publication Number | Publication Date |
|---|---|
| CN108707779A true CN108707779A (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810567597.6A Pending CN108707779A (en) | 2018-06-05 | 2018-06-05 | A kind of high manganic aluminum bronze alloy propeller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074089A (en) * | 2020-02-10 | 2020-04-28 | 天津市金龙焊接材料有限公司 | Wear-resistant corrosion-resistant multi-element manganese aluminum bronze brazing alloy and preparation method thereof |
| CN111850344A (en) * | 2020-07-22 | 2020-10-30 | 镇江金叶螺旋桨有限公司 | High-wear-resistance corrosion-resistance high-manganese aluminum bronze alloy propeller and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070253858A1 (en) * | 2006-04-28 | 2007-11-01 | Maher Ababneh | Copper multicomponent alloy and its use |
| CN102912184A (en) * | 2012-10-26 | 2013-02-06 | 江苏大学 | Strontium-titanium-boron composite micro-alloyed high-manganese aluminum bronze and method for manufacturing same |
| CN102925742A (en) * | 2012-10-26 | 2013-02-13 | 镇江金叶螺旋桨有限公司 | Scandium, zirconium and strontium (Sc-Zr-Sr) compounded micro-alloyed high manganic aluminum bronze and preparation method thereof |
| CN104614215A (en) * | 2015-01-30 | 2015-05-13 | 中国船舶重工集团公司第十二研究所 | High-manganese aluminum bronze standard substance and preparation method thereof |
-
2018
- 2018-06-05 CN CN201810567597.6A patent/CN108707779A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070253858A1 (en) * | 2006-04-28 | 2007-11-01 | Maher Ababneh | Copper multicomponent alloy and its use |
| CN102912184A (en) * | 2012-10-26 | 2013-02-06 | 江苏大学 | Strontium-titanium-boron composite micro-alloyed high-manganese aluminum bronze and method for manufacturing same |
| CN102925742A (en) * | 2012-10-26 | 2013-02-13 | 镇江金叶螺旋桨有限公司 | Scandium, zirconium and strontium (Sc-Zr-Sr) compounded micro-alloyed high manganic aluminum bronze and preparation method thereof |
| CN102925742B (en) * | 2012-10-26 | 2014-11-05 | 镇江金叶螺旋桨有限公司 | Scandium, zirconium and strontium (Sc-Zr-Sr) compounded micro-alloyed high manganic aluminum bronze and preparation method thereof |
| CN104614215A (en) * | 2015-01-30 | 2015-05-13 | 中国船舶重工集团公司第十二研究所 | High-manganese aluminum bronze standard substance and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074089A (en) * | 2020-02-10 | 2020-04-28 | 天津市金龙焊接材料有限公司 | Wear-resistant corrosion-resistant multi-element manganese aluminum bronze brazing alloy and preparation method thereof |
| CN111850344A (en) * | 2020-07-22 | 2020-10-30 | 镇江金叶螺旋桨有限公司 | High-wear-resistance corrosion-resistance high-manganese aluminum bronze alloy propeller and manufacturing method thereof |
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Application publication date: 20181026 |
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