CN108977718A - A kind of alloy that creep-resistant property is promoted - Google Patents
A kind of alloy that creep-resistant property is promoted Download PDFInfo
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- CN108977718A CN108977718A CN201810826763.XA CN201810826763A CN108977718A CN 108977718 A CN108977718 A CN 108977718A CN 201810826763 A CN201810826763 A CN 201810826763A CN 108977718 A CN108977718 A CN 108977718A
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
- H01M4/662—Alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/68—Selection of materials for use in lead-acid accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
- H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses the alloy that a kind of creep-resistant property is promoted, raw material and percentage used in the alloy that the creep-resistant property is promoted are as follows: the silicon of 2-2.5wt%, the sulphur of 0.01-0.03wt%, the chromium of 25-33wt%, the iron of 25-33wt%, the cobalt of 6-8wt%, the nickel of 22-29wt%, the copper of 2.2-5.3wt%, the molybdenum of 4.3-5.2wt%, the boron of 5.1-6.3wt%, the carbon of 0.1-0.25wt% and the rare earth of 0.01-0.2wt%, the magnesium of 1.3-2.6wt%, the manganese of 2.8-4.1wt% and the selenium of 0.01-0.05wt%.The addition that the present invention passes through rare earth element lanthanum element and other elements, the crystal structure for constituting alloy changes, change the performance of alloy plasticity, resistance to stress etc., to improve the corrosion resistance and creep-resistant property of grid, be conducive to the raising of battery maintenance-free performance, improve electrode polarization performance, effectively reduces active material passivation, the efficiency for changing redox reaction to grid different zones of the lead plaster in charge and discharge process, improves the service life.
Description
Technical field
The present invention relates to plate production technical field, in particular to a kind of alloy of creep-resistant property promotion.
Background technique
Power lead-acid storage battery has the advantages that high-specific-power, high-energy-density, long-life.But traditional storage battery grid is set
It counts there are poor corrosion resistance, cause the problems such as current distribution is unreasonable, and cycle life is short, while novel rare-earth lanthanum alloy material
Appearance, also there is various problem.
Therefore, it is necessary to solve the above problems to invent a kind of alloy that creep-resistant property is promoted.
Summary of the invention
The purpose of the present invention is to provide the alloys that a kind of creep-resistant property is promoted, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: the alloy that a kind of creep-resistant property is promoted, described anti-
Raw material and percentage used in the alloy that croop property is promoted are as follows: the silicon of 2-2.5wt%, 0.01-0.03wt%
Sulphur, the chromium of 25-33wt%, the iron of 25-33wt%, the cobalt of 6-8wt%, the nickel of 22-29wt%, the copper of 2.2-5.3wt%, 4.3-
The molybdenum of 5.2wt%, the boron of 5.1-6.3wt%, the carbon of 0.1-0.25wt% and 0.01-0.2wt% rare earth, 1.3-2.6wt%
Magnesium, the manganese of 2.8-4.1wt% and the selenium of 0.01-0.05wt%.
Preferably, the rare earth element is neodymium and lanthanum.
Preferably, the proportion of neodymium and lanthanum is 1:2 in the rare earth element.
Preferably, in rare earths material mixing, the tin of 1.1wt%% and the calcium of 0.07-0.9wt% is added.
Preferably, the alloy uses sand-cast and full form casting process.
Preferably, the alloy has at least yield strength of 55.5MPa at normal temperature.
Preferably, the alloy has at least tensile strength of 62.35MPa at normal temperature.
Preferably, it is 40-60HCR that the hardness of the alloy at normal temperature, which is hardness,.
The alloy can conventionally be prepared using common production equipment, and specific steps may include:
A) according to content shared by the constituent of raw material and each material, calculate and weigh the dosage of each raw material；
B) neodymium and lanthanum material are mixed according to the specific gravity of 1:2, and the tin and 0.07-0.9wt% of 1.1wt%% is added
Calcium；
C) iron is packed into middle frequency furnace heating fusing；Other alloy raw materials all are added after fusing；
D) by the further deoxidation of aluminium alloy；It is calm；Cast molding；It is quickly cooled down；
E) stripping forming casting implements slow cooling；Workpiece implementation 12 hours or more the high temperature anneals are after slow cooling to get alloy
Material.
Technical effect and advantage of the invention:
1, by the addition of rare earth element lanthanum element and other elements, the crystal structure for constituting alloy changes, changes
The performance for becoming alloy plasticity, resistance to stress etc. is conducive to electricity to improve the corrosion resistance and creep-resistant property of grid
The raising of pond maintenance-free performance；
2, by the alloy proportion of appropriate adjustment rare earth lanthanum element, while the calcium constituent lacked is added, improves grid depth
Cycle performance；
3, the content of selenium element is adjusted to inhibit the impedance of anode film, improves the electric conductivity of alloy；
4, the content of tin element is adjusted, electrode polarization performance is improved, effectively reduces active material passivation, changes lead plaster and exists
The efficiency of the redox reaction to grid different zones in charge and discharge process, improves the service life.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
The alloy that a kind of creep-resistant property is promoted, raw material used in the alloy that the creep-resistant property is promoted and shared
Percentage are as follows: the silicon of 2wt%, the sulphur of 0.01wt%, the chromium of 25wt%, the iron of 25wt%, the cobalt of 6wt%, 22wt% nickel,
The copper of 2.2wt%, the molybdenum of 4.3wt%, the boron of 5.1wt%, the rare earth of the carbon of 0.1wt% and 0.01wt%, 1.3wt% magnesium,
The manganese of 2.8wt% and the selenium of 0.01wt%.
The rare earth element is neodymium and lanthanum, and the proportion of neodymium and lanthanum is 1:2 in the rare earth element.
The alloy uses sand-cast and full form casting process, and the alloy has at least 55.5MPa's at normal temperature
Yield strength, the alloy have at least tensile strength of 62.35MPa at normal temperature, and the hardness of the alloy at normal temperature is
Hardness is 40HCR.
The alloy can conventionally be prepared using common production equipment, and specific steps may include:
A) according to content shared by the constituent of raw material and each material, calculate and weigh the dosage of each raw material；
B) neodymium and lanthanum material are mixed according to the specific gravity of 1:2；
C) iron is packed into middle frequency furnace heating fusing；Other alloy raw materials all are added after fusing；
D) by the further deoxidation of aluminium alloy；It is calm；Cast molding；It is quickly cooled down；
E) stripping forming casting implements slow cooling；Workpiece implementation 12 hours or more the high temperature anneals are after slow cooling to get alloy
Material.
Embodiment 2
The alloy that a kind of creep-resistant property is promoted, raw material used in the alloy that the creep-resistant property is promoted and shared
Percentage are as follows: the silicon of 2.5wt%, the sulphur of 0.03wt%, the chromium of 33wt%, the iron of 33wt%, the cobalt of 8wt%, 29wt% nickel,
The copper of 5.3wt%, the molybdenum of 5.2wt%, the boron of 6.3wt%, the rare earth of the carbon of 0.25wt% and 0.2wt%, 2.6wt% magnesium,
The manganese of 4.1wt% and the selenium of 0.05wt%.
The rare earth element is neodymium and lanthanum, and the proportion of neodymium and lanthanum is 1:2 in the rare earth element.
The alloy uses sand-cast and full form casting process, and the alloy has at least 55.5MPa's at normal temperature
Yield strength, the alloy have at least tensile strength of 62.35MPa at normal temperature, and the hardness of the alloy at normal temperature is
Hardness is 60HCR.
The alloy can conventionally be prepared using common production equipment, and specific steps may include:
A) according to content shared by the constituent of raw material and each material, calculate and weigh the dosage of each raw material；
B) neodymium and lanthanum material are mixed according to the specific gravity of 1:2；
C) iron is packed into middle frequency furnace heating fusing；Other alloy raw materials all are added after fusing；
D) by the further deoxidation of aluminium alloy；It is calm；Cast molding；It is quickly cooled down；
E) stripping forming casting implements slow cooling；Workpiece implementation 12 hours or more the high temperature anneals are after slow cooling to get alloy
Material.
Embodiment 1 and embodiment 2 inhibit anode film by the way that the content for adjusting Se in the alloy is 0.01-0.05wt%
Impedance improves the electric conductivity of alloy.
Embodiment 3
The alloy that a kind of creep-resistant property is promoted, raw material used in the alloy that the creep-resistant property is promoted and shared
Percentage are as follows: the silicon of 2wt%, the sulphur of 0.01wt%, the chromium of 25wt%, the iron of 25wt%, the cobalt of 6wt%, 22wt% nickel,
The copper of 2.2wt%, the molybdenum of 4.3wt%, the boron of 5.1wt%, the rare earth of the carbon of 0.1wt% and 0.01wt%, 1.3wt% magnesium,
The manganese of 2.8wt% and the selenium of 0.01wt%.
The rare earth element is neodymium and lanthanum, and the proportion of neodymium and lanthanum is 1:2 in the rare earth element, in rare earths material mixing
When, the tin of 1.1wt%% and the calcium of 0.07-0.9wt% is added.
The alloy uses sand-cast and full form casting process, and the alloy has at least 55.5MPa's at normal temperature
Yield strength, the alloy have at least tensile strength of 62.35MPa at normal temperature, and the hardness of the alloy at normal temperature is
Hardness is 40HCR.
The alloy can conventionally be prepared using common production equipment, and specific steps may include:
A) according to content shared by the constituent of raw material and each material, calculate and weigh the dosage of each raw material；
B) neodymium and lanthanum material are mixed according to the specific gravity of 1:2, and the tin of 1.1wt%% is added；
C) iron is packed into middle frequency furnace heating fusing；Other alloy raw materials all are added after fusing；
D) by the further deoxidation of aluminium alloy；It is calm；Cast molding；It is quickly cooled down；
E) stripping forming casting implements slow cooling；Workpiece implementation 12 hours or more the high temperature anneals are after slow cooling to get alloy
Material.
Embodiment 4
The alloy that a kind of creep-resistant property is promoted, raw material used in the alloy that the creep-resistant property is promoted and shared
Percentage are as follows: the silicon of 2.5wt%, the sulphur of 0.03wt%, the chromium of 33wt%, the iron of 33wt%, the cobalt of 8wt%, 29wt% nickel,
The copper of 5.3wt%, the molybdenum of 5.2wt%, the boron of 6.3wt%, the rare earth of the carbon of 0.25wt% and 0.2wt%, 2.6wt% magnesium,
The manganese of 4.1wt% and the selenium of 0.05wt%.
The rare earth element is neodymium and lanthanum, and the proportion of neodymium and lanthanum is 1:2 in the rare earth element, in rare earths material mixing
When, the tin of 1.1wt%% and the calcium of 0.07-0.9wt% is added.
The alloy uses sand-cast and full form casting process, and the alloy has at least 55.5MPa's at normal temperature
Yield strength, the alloy have at least tensile strength of 62.35MPa at normal temperature, and the hardness of the alloy at normal temperature is
Hardness is 60HCR.
The alloy can conventionally be prepared using common production equipment, and specific steps may include:
A) according to content shared by the constituent of raw material and each material, calculate and weigh the dosage of each raw material；
B) neodymium and lanthanum material are mixed according to the specific gravity of 1:2, and the tin of 1.1wt%% is added；
C) iron is packed into middle frequency furnace heating fusing；Other alloy raw materials all are added after fusing；
D) by the further deoxidation of aluminium alloy；It is calm；Cast molding；It is quickly cooled down；
E) stripping forming casting implements slow cooling；Workpiece implementation 12 hours or more the high temperature anneals are after slow cooling to get alloy
Material.
Embodiment 3 and embodiment 4 inhibit anode film by the way that the content for adjusting Se in the alloy is 0.01-0.05wt%
Impedance improves the electric conductivity of alloy, adjusts the content of Sn to 1.1%wt or so, to improve polarization of electrode.
Embodiment 5
The alloy that a kind of creep-resistant property is promoted, raw material used in the alloy that the creep-resistant property is promoted and shared
Percentage are as follows: the silicon of 2wt%, the sulphur of 0.01wt%, the chromium of 25wt%, the iron of 25wt%, the cobalt of 6wt%, 22wt% nickel,
The copper of 2.2wt%, the molybdenum of 4.3wt%, the boron of 5.1wt%, the rare earth of the carbon of 0.1wt% and 0.01wt%, 1.3wt% magnesium,
The manganese of 2.8wt% and the selenium of 0.01wt%.
The rare earth element is neodymium and lanthanum, and the proportion of neodymium and lanthanum is 1:2 in the rare earth element, in rare earths material mixing
When, the tin of 1.1wt%% and the calcium of 0.07-0.9wt% is added.
The alloy uses sand-cast and full form casting process, and the alloy has at least 55.5MPa's at normal temperature
Yield strength, the alloy have at least tensile strength of 62.35MPa at normal temperature, and the hardness of the alloy at normal temperature is
Hardness is 40HCR.
The alloy can conventionally be prepared using common production equipment, and specific steps may include:
A) according to content shared by the constituent of raw material and each material, calculate and weigh the dosage of each raw material；
B) neodymium and lanthanum material are mixed according to the specific gravity of 1:2, and the tin and 0.07-0.9wt% of 1.1wt%% is added
Calcium；
C) iron is packed into middle frequency furnace heating fusing；Other alloy raw materials all are added after fusing；
D) by the further deoxidation of aluminium alloy；It is calm；Cast molding；It is quickly cooled down；
E) stripping forming casting implements slow cooling；Workpiece implementation 12 hours or more the high temperature anneals are after slow cooling to get alloy
Material.
Embodiment 6
The alloy that a kind of creep-resistant property is promoted, raw material used in the alloy that the creep-resistant property is promoted and shared
Percentage are as follows: the silicon of 2.5wt%, the sulphur of 0.03wt%, the chromium of 33wt%, the iron of 33wt%, the cobalt of 8wt%, 29wt% nickel,
The copper of 5.3wt%, the molybdenum of 5.2wt%, the boron of 6.3wt%, the rare earth of the carbon of 0.25wt% and 0.2wt%, 2.6wt% magnesium,
The manganese of 4.1wt% and the selenium of 0.05wt%.
The rare earth element is neodymium and lanthanum, and the proportion of neodymium and lanthanum is 1:2 in the rare earth element, in rare earths material mixing
When, the tin of 1.1wt%% and the calcium of 0.07-0.9wt% is added.
The alloy uses sand-cast and full form casting process, and the alloy has at least 55.5MPa's at normal temperature
Yield strength, the alloy have at least tensile strength of 62.35MPa at normal temperature, and the hardness of the alloy at normal temperature is
Hardness is 60HCR.
The alloy can conventionally be prepared using common production equipment, and specific steps may include:
A) according to content shared by the constituent of raw material and each material, calculate and weigh the dosage of each raw material；
B) neodymium and lanthanum material are mixed according to the specific gravity of 1:2, and the tin and 0.07-0.9wt% of 1.1wt%% is added
Calcium；
C) iron is packed into middle frequency furnace heating fusing；Other alloy raw materials all are added after fusing；
D) by the further deoxidation of aluminium alloy；It is calm；Cast molding；It is quickly cooled down；
E) stripping forming casting implements slow cooling；Workpiece implementation 12 hours or more the high temperature anneals are after slow cooling to get alloy
Material.
Embodiment 5 and embodiment 6 inhibit anode film by the way that the content for adjusting Se in the alloy is 0.01-0.05wt%
Impedance improves the electric conductivity of alloy, adjusts the content of Sn to 1.1%wt or so, to improve polarization of electrode, in rare earth alloy
When preparation, the alloy proportion of appropriate adjustment rare earth lanthanum element, while being added and reducing calcium content to 0.07-0.9%wt, it is mentioned with reaching
The purpose of high grid deep-circulating performance.
By the available six kinds of alloys of above six groups of embodiments, this six kinds of alloys are tested for the property respectively, then uses
It makes a service test by the alloy of common process, as a result show that the performance of the alloy in six groups of embodiments has different mention
It rises, wherein alloy property is best in embodiment 6, by the addition of rare earth element lanthanum element and other elements, constitutes alloy
Crystal structure changes, and changes the performance of alloy plasticity, resistance to stress etc., thus improve grid corrosion resistance and
Creep-resistant property is conducive to the raising of battery maintenance-free performance, effectively reduces active material passivation, changes lead plaster in charge and discharge
The efficiency of the redox reaction to grid different zones in process, improves the service life.
The key technical indexes table 1 of the present invention
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (9)
1. the alloy that a kind of creep-resistant property is promoted, which is characterized in that original used in the alloy that the creep-resistant property is promoted
Material and percentage are as follows: the silicon of 2-2.5wt%, the sulphur of 0.01-0.03wt%, the chromium of 25-33wt%, 25-33wt%
Iron, the cobalt of 6-8wt%, the nickel of 22-29wt%, the copper of 2.2-5.3wt%, the molybdenum of 4.3-5.2wt%, 5.1-6.3wt% boron,
The carbon and the rare earth of 0.01-0.2wt% of 0.1-0.25wt%, the magnesium of 1.3-2.6wt%, 2.8-4.1wt% manganese and 0.01-
The selenium (1.1% tin) (0.07-0.9 calcium) of 0.05wt%.
2. the alloy that a kind of creep-resistant property according to claim 1 is promoted, it is characterised in that: the rare earth element is neodymium
And lanthanum.
3. the alloy that a kind of creep-resistant property according to claim 2 is promoted, it is characterised in that: neodymium in the rare earth element
Proportion with lanthanum is 1:2.
4. the alloy that a kind of creep-resistant property according to claim 3 is promoted, it is characterised in that: in rare earths material mixing
When, the tin of 1.1wt%% and the calcium of 0.07-0.9wt% is added.
5. the alloy that a kind of creep-resistant property according to claim 1 is promoted, it is characterised in that: the alloy is using husky mould
Casting and full form casting process.
6. the alloy that a kind of creep-resistant property according to claim 1 is promoted, it is characterised in that: the alloy is at normal temperature
With at least yield strength of 55.5MPa.
7. the alloy that a kind of creep-resistant property according to claim 1 is promoted, it is characterised in that: the alloy is at normal temperature
With at least tensile strength of 62.35MPa.
8. the alloy that a kind of creep-resistant property according to claim 1 is promoted, it is characterised in that: the alloy is at normal temperature
Hardness be hardness be 40-60HCR.
9. a kind of alloy that creep-resistant property is promoted described in -9 according to claim 1, it is characterised in that: the alloy can be adopted
It is conventionally prepared with common production equipment, specific steps may include:
A) according to content shared by the constituent of raw material and each material, calculate and weigh the dosage of each raw material；
B) neodymium and lanthanum material are mixed according to the specific gravity of 1:2, and the tin and 0.07-0.9wt% of 1.1wt%% is added
Calcium；
C) iron is packed into middle frequency furnace heating fusing；Other alloy raw materials all are added after fusing；
D) by the further deoxidation of aluminium alloy；It is calm；Cast molding；It is quickly cooled down；
E) stripping forming casting implements slow cooling；Workpiece implementation 12 hours or more the high temperature anneals are after slow cooling to get alloy material.
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| US20040202569A1 (en) * | 2003-04-14 | 2004-10-14 | General Electric Company | Precipitation-strengthened nickel-iron-chromium alloy and process therefor |
| US20070299278A1 (en) * | 2006-06-27 | 2007-12-27 | Basf Aktiengesellschaft | Process for continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated |
| CN102912151A (en) * | 2012-11-23 | 2013-02-06 | 重庆材料研究院 | Ultra pure electroslag remelting method for high-performance corrosion resistant alloy |
| CN103173698A (en) * | 2013-04-09 | 2013-06-26 | 北京科技大学 | Dispersed precipitated phase strengthened austenitic stainless steel with high Cr and high Ni and thermal processing method |
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2018
- 2018-07-25 CN CN201810826763.XA patent/CN108977718A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5343883B2 (en) * | 1972-06-20 | 1978-11-24 | ||
| JPS5441986B2 (en) * | 1973-05-07 | 1979-12-11 | ||
| JPH07103448B2 (en) * | 1990-11-28 | 1995-11-08 | 株式会社クボタ | Heat-resistant steel with excellent carburization resistance and creep rupture strength |
| CN1109920A (en) * | 1994-12-09 | 1995-10-11 | 中国科学院上海冶金研究所 | Alloy resisting hot deformation |
| US20040202569A1 (en) * | 2003-04-14 | 2004-10-14 | General Electric Company | Precipitation-strengthened nickel-iron-chromium alloy and process therefor |
| US20070299278A1 (en) * | 2006-06-27 | 2007-12-27 | Basf Aktiengesellschaft | Process for continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated |
| CN102912151A (en) * | 2012-11-23 | 2013-02-06 | 重庆材料研究院 | Ultra pure electroslag remelting method for high-performance corrosion resistant alloy |
| CN103173698A (en) * | 2013-04-09 | 2013-06-26 | 北京科技大学 | Dispersed precipitated phase strengthened austenitic stainless steel with high Cr and high Ni and thermal processing method |
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Application publication date: 20181211 |