CN106834835A - A kind of high-strength aluminum alloy material - Google Patents
A kind of high-strength aluminum alloy material Download PDFInfo
- Publication number
- CN106834835A CN106834835A CN201611063160.6A CN201611063160A CN106834835A CN 106834835 A CN106834835 A CN 106834835A CN 201611063160 A CN201611063160 A CN 201611063160A CN 106834835 A CN106834835 A CN 106834835A
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- strength aluminum
- alloy material
- corrosion
- impurity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper as the next major constituent with silicon
-
- 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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- 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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
-
- 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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
Landscapes
- 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 aluminum alloy materials, more particularly to a kind of high-strength aluminum alloy material.Its material composition for including following mass percent：Cu：1‑3%；Mg：1‑2%；Mn：0.5‑1%；Si：0.2‑0.8%；Rb：0.2‑0.8%；Zn：0.1‑0.5%；Ti：0.05‑0.3%；Cr：0.05‑0.15%；Balance of Al and a small amount of impurity.Beneficial effects of the present invention are：Product surface quality and surface treatment properties are improved.High strength alumin ium alloy etch pit reduces stress concentration, improves structural fatigue quality, so as to improve structure fatigue life.Etch pit leading edge microdefect and damage are less, and product corrosion life is extended.
Description
Technical field
The present invention relates to aluminum alloy materials, more particularly to a kind of high-strength aluminum alloy material.
Background technology
The main Corrosion Types of high strength alumin ium alloy are spot corrosion, and spot corrosion causes fatigue of materials hydraulic performance decline, its reason master
If due to principal characters such as corrosion damage, especially crackles, causing the generation in tired source and the extension of fatigue crack, direct shadow
Structural life-time and its intensity are rung.The research on aluminum alloy materials under various circumstances, is limited primarily to aluminum alloy materials at present
The corrosion characteristics such as spot corrosion, stress corrosion.Therefore the corrosion damage feature of high strength alumin ium alloy is studied, for the fatigability of material
Can, to avoiding fatigue corrosion fracture from having great importance.
The content of the invention
It is an object of the invention to be directed to the existing state of the art, there is provided a kind of erosion-resisting high-strength aluminum alloy material.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of high-strength aluminum alloy material, including following mass percent material composition：
Cu：1-3%；
Mg：1-2%；
Mn：0.5-1%；
Si：0.2-0.8%；
Rb：0.2-0.8%；
Zn：0.1-0.5%；
Ti：0.05-0.3%；
Cr：0.05-0.15%；
Balance of Al and a small amount of impurity.
Further, a kind of material composition of high-strength aluminum alloy material, including following mass percent：
Cu：1.64%；
Mg：1.49%；
Mn：0.68%；
Si：0.5%；
Rb：0.5%；
Zn：0.25%；
Ti：0.15%；
Cr：0.1%；
Balance of Al and a small amount of impurity.
The current potential of aluminium alloy is -0.80~-0.88Vsce.
Beneficial effects of the present invention are：Product surface quality and surface treatment properties are improved.High strength alumin ium alloy corrodes
Hole reduces stress concentration, structural fatigue quality is improve, so as to improve structure fatigue life.Etch pit leading edge microdefect
Less with damaging, product corrosion life is extended.
Specific embodiment
In order that juror can be further understood that to the purpose of the present invention, feature and function, preferred embodiment is hereby lifted detailed
Carefully it is described as follows：
Embodiment 1：A kind of high-strength aluminum alloy material, including following mass percent material composition：
Cu：2.32%；
Mg：1.66%；
Mn：0.88%；
Si：0.4%；
Rb：0.41%；
Zn：0.33%；
Ti：0.22%；
Cr：0.12%；
Balance of Al and a small amount of impurity.
The current potential of aluminium alloy is -0.80~-0.88Vsce.
Embodiment 2：A kind of high-strength aluminum alloy material, including following mass percent material composition：
Cu：1.55%；
Mg：1.36%；
Mn：0.78%；
Si：0.61%；
Rb：0.62%；
Zn：0.22%；
Ti：0.24%；
Cr：0.09%；
Balance of Al and a small amount of impurity.
The current potential of aluminium alloy is -0.80~-0.88Vsce.
Embodiment 3：A kind of high-strength aluminum alloy material, including following mass percent material composition：
Cu：2.72%；
Mg：1.32%；
Mn：0.77%；
Si：0.64%；
Rb：0.32%；
Zn：0.41%；
Ti：0.23%；
Cr：0.12%；
Balance of Al and a small amount of impurity.
The current potential of aluminium alloy is -0.80~-0.88Vsce.
Embodiment 4：A kind of high-strength aluminum alloy material, including following mass percent material composition：
Cu：2.13%；
Mg：1.34%；
Mn：0.89%；
Si：0.69%；
Rb：0.71%；
Zn：0.15%；
Ti： 0.3%；
Cr： 0.15%；
Balance of Al and a small amount of impurity.
The current potential of aluminium alloy is -0.80~-0.88Vsce.
Embodiment 5：A kind of high-strength aluminum alloy material, including following mass percent material composition：
Cu：2.12%；
Mg：1.87%；
Mn：0.88%；
Si：0.68%；
Rb：0.71%；
Zn：0.41%；
Ti：0.25%；
Cr：0.07%；
Balance of Al and a small amount of impurity.
The current potential of aluminium alloy is -0.80~-0.88Vsce.
Embodiment 6：A kind of high-strength aluminum alloy material, including following mass percent material composition：
Cu：1.64%；
Mg：1.49%；
Mn：0.68%；
Si：0.5%；
Rb：0.5%；
Zn：0.25%；
Ti：0.15%；
Cr：0.1%；
Balance of Al and a small amount of impurity.
The current potential of aluminium alloy is -0.80~-0.88Vsce.
Aluminium alloy, because the radius of Cl ions is small, penetration power strong, can penetrate solution and break in 3.8%NaCI solution environmentals
The oxide-film on bad aluminum alloy part surface, the oxide-film for enabling aluminum alloy to surface is destroyed.After oxide-film goes to pot, in activation shape
The aluminium alloy of state is the anode of corrosion cell, and unspoilt holding passive state is negative electrode, composition one passivation cell of activation, the present invention
Aluminum alloy materials can exempt to produce deeper spot corrosion, reduce the expansion of spot corrosion product.
Aluminum alloy materials of the invention, the extension etch pit expansion rate with etching time slows down.Corrosion Initial Corrosion
Hole is smaller, some corrosion crackings along crystal boundary occurs in etch pit bottom.After corrosion 48h, corrosion cracking does not continue to prolong substantially
Stretch.After corrosion 96h, corrosion of aluminium alloy hole crosswise development, etch pit bottom area is less than mouth area.After corrosion 192h, aluminium is closed
Gold corrosion continues to crosswisely develop, and less cavity is produced below surface.
General principle of the invention and principal character and advantages of the present invention, the technology of the industry has been shown and described above
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (3)
1. a kind of high-strength aluminum alloy material, it is characterised in that the material composition including following mass percent：
Cu：1-3%；
Mg：1-2%；
Mn：0.5-1%；
Si：0.2-0.8%；
Rb：0.2-0.8%；
Zn：0.1-0.5%；
Ti：0.05-0.3%；
Cr：0.05-0.15%；
Balance of Al and a small amount of impurity.
2. a kind of high-strength aluminum alloy material according to claim 1, it is characterised in that：Thing including following mass percent
Matter composition：
Cu：1.64%；
Mg：1.49%；
Mn：0.68%；
Si：0.5%；
Rb：0.5%；
Zn：0.25%；
Ti：0.15%；
Cr：0.1%；
Balance of Al and a small amount of impurity.
3. a kind of high-strength aluminum alloy material according to claim 1 and 2, it is characterised in that：The current potential of aluminium alloy is -0.72
~-0.81Vsce.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063160.6A CN106834835A (en) | 2016-11-28 | 2016-11-28 | A kind of high-strength aluminum alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063160.6A CN106834835A (en) | 2016-11-28 | 2016-11-28 | A kind of high-strength aluminum alloy material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106834835A true CN106834835A (en) | 2017-06-13 |
Family
ID=59146101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611063160.6A Pending CN106834835A (en) | 2016-11-28 | 2016-11-28 | A kind of high-strength aluminum alloy material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106834835A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08269608A (en) * | 1995-03-30 | 1996-10-15 | Sumitomo Light Metal Ind Ltd | High strength aluminum alloy excellent in formability and corrosion resistance |
| CN1826220A (en) * | 2003-07-18 | 2006-08-30 | 克里斯铝轧制品有限公司 | High strength aluminium alloy brazing sheet |
| JP2016098412A (en) * | 2014-11-21 | 2016-05-30 | 株式会社Uacj | Method for producing aluminum alloy sheet |
| CN105908033A (en) * | 2016-06-17 | 2016-08-31 | 安徽天祥空调科技有限公司 | High-performance thin-and-light type aluminum alloy sheet for vehicle-mounted heat exchanger and preparation method thereof |
-
2016
- 2016-11-28 CN CN201611063160.6A patent/CN106834835A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08269608A (en) * | 1995-03-30 | 1996-10-15 | Sumitomo Light Metal Ind Ltd | High strength aluminum alloy excellent in formability and corrosion resistance |
| CN1826220A (en) * | 2003-07-18 | 2006-08-30 | 克里斯铝轧制品有限公司 | High strength aluminium alloy brazing sheet |
| JP2016098412A (en) * | 2014-11-21 | 2016-05-30 | 株式会社Uacj | Method for producing aluminum alloy sheet |
| CN105908033A (en) * | 2016-06-17 | 2016-08-31 | 安徽天祥空调科技有限公司 | High-performance thin-and-light type aluminum alloy sheet for vehicle-mounted heat exchanger and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103088384A (en) | valve metal plasma electrolytic oxidation surface treatment method | |
| CN106811637A (en) | A kind of aluminum alloy materials | |
| CN106834835A (en) | A kind of high-strength aluminum alloy material | |
| CN103647053B (en) | The method of alumina coating is prepared on a kind of nickel electrode surface | |
| Liu et al. | Effect of shot peening on surface characteristics and fatigue properties of T5-treated ZK60 alloy | |
| CN103643276B (en) | A kind of method at lead alloy surface growth alumina coating | |
| CN107460516A (en) | A kind of method for preparing highly corrosion resistant and anticorrosion stress-resistant performance ceramic film | |
| CN107190220A (en) | It is a kind of to improve the method for magnesium-rare earth fatigue behaviour using unusual twin | |
| CN103643090A (en) | Wear resistant silicon, magnesium and aluminum alloy | |
| CN103103593B (en) | Surface ceramic oxidization method of aluminum, magnesium and titanium or alloy thereof | |
| CN102644075A (en) | Preparation process for electrospark surface strengthening on excellent surface quality of titanium alloy TC4 | |
| CN107099820A (en) | It is a kind of not glue electrolyte crust-breaking chips for Aluminum Electrolysis Production | |
| Kim et al. | Effect of Na 3 PO 4 Concentration on the Formation Behavior and Properties of PEO Films on AA2024 | |
| CN209379735U (en) | Disconnecting device for C-type steel material | |
| CN208517545U (en) | Aluminum Electrolysis Production crust-breaking chips component | |
| Fu et al. | Effect of heat treatment on stress corrosion cracking of AZ91 magnesium alloy | |
| CN103769582A (en) | Alloy bit | |
| CN206289323U (en) | A kind of differential arc oxidation shielding protector | |
| Li et al. | Investigation of stress corrosion cracking initiation of 7A52 aluminum alloy | |
| CN115255234B (en) | Titanium material forging processing technology and application thereof in core component of new energy lithium battery equipment | |
| JP2014214342A (en) | Method for forming oxidized film | |
| CN208415686U (en) | A kind of aluminum profile with composite layer | |
| CN208878697U (en) | A kind of grinder hammerhead easy to carry | |
| CN207210525U (en) | A kind of time saving and energy saving disperse formula depassing unit | |
| CN208408211U (en) | A kind of badly bleeding crusher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170613 |