CN117144203A - High-pressure casting aluminum alloy with high heat conductivity coefficient and capable of being brazed - Google Patents
High-pressure casting aluminum alloy with high heat conductivity coefficient and capable of being brazed Download PDFInfo
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- CN117144203A CN117144203A CN202311216287.7A CN202311216287A CN117144203A CN 117144203 A CN117144203 A CN 117144203A CN 202311216287 A CN202311216287 A CN 202311216287A CN 117144203 A CN117144203 A CN 117144203A
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 76
- 238000005266 casting Methods 0.000 title claims abstract description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052742 iron Inorganic materials 0.000 claims abstract description 15
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 14
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 14
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 14
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 14
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052796 boron Inorganic materials 0.000 claims abstract description 14
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 14
- 239000011651 chromium Substances 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 14
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 14
- 239000011777 magnesium Substances 0.000 claims abstract description 14
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 14
- 239000011733 molybdenum Substances 0.000 claims abstract description 14
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 14
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 14
- 239000010703 silicon Substances 0.000 claims abstract description 14
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 14
- 239000010936 titanium Substances 0.000 claims abstract description 14
- 239000011701 zinc Substances 0.000 claims abstract description 14
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 14
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 14
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 11
- 239000011572 manganese Substances 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 238000002844 melting Methods 0.000 abstract description 17
- 230000008018 melting Effects 0.000 abstract description 17
- 239000000956 alloy Substances 0.000 abstract description 12
- 238000005219 brazing Methods 0.000 abstract description 9
- 229910045601 alloy Inorganic materials 0.000 abstract description 4
- 238000004512 die casting Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910018125 Al-Si Inorganic materials 0.000 description 4
- 229910018520 Al—Si Inorganic materials 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 238000005242 forging Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- FJMNNXLGOUYVHO-UHFFFAOYSA-N aluminum zinc Chemical compound [Al].[Zn] FJMNNXLGOUYVHO-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention discloses a high-pressure casting aluminum alloy with a high heat conductivity coefficient, which can be brazed, and belongs to the technical field of aluminum alloy casting. The aluminum alloy comprises the following elements in percentage by weight: the alloy comprises silicon not higher than 0.5%, iron not higher than 0.5%, copper not higher than 0.3%, zinc not higher than 0.3%, manganese not higher than 0.85%, chromium not higher than 0.2%, magnesium not higher than 0.5%, zirconium 0.1% -0.5%, boron 0.05% -0.2%, titanium not higher than 0.15%, nickel not higher than 0.5%, lanthanum 5% -15%, molybdenum not higher than 0.2%, and the balance aluminum and unavoidable impurities. The aluminum alloy provided by the invention has good comprehensive performance, has a higher melting point, can keep good mechanical performance in an as-cast state, and has good fluidity and shrinkage, so that the aluminum alloy can be suitable for high-temperature brazing operation.
Description
Technical Field
The invention belongs to the technical field of aluminum alloy casting, and particularly relates to a high-pressure casting aluminum alloy with a high heat conductivity coefficient, which can be brazed.
Background
The aluminum alloy is a light metal material formed by taking aluminum as a base and adding different alloy elements. Because the aluminum alloy has the characteristics of low density, good mechanical property, high electrical conductivity and thermal conductivity, good processability, excellent corrosion resistance and the like, the aluminum alloy is widely applied to various industries such as aerospace, ship manufacturing, metal packaging, construction, transportation, chemical industry and the like.
The aluminum alloy can be classified into cast aluminum alloy and wrought aluminum alloy according to the processing method and composition. The cast aluminum alloy is directly cast into blanks for processing various parts by sand mould, iron mould, investment pattern or die casting method after smelting ingredients. The deformed aluminum alloy is produced through casting alloy material into ingot, plastic deformation, rolling, extruding, stretching, forging and other steps. The cast aluminum alloy is classified into aluminum-silicon alloy, aluminum-zinc alloy, aluminum-magnesium alloy, and the like according to the main elements added thereto.
Brazing refers to a welding method in which a brazing filler metal with a melting point lower than that of a weldment and the weldment are heated to a brazing filler metal melting temperature at the same time, and gaps of solid workpieces are filled with liquid brazing filler metal to connect metals. At present, in all fields of aluminum alloy application, a plurality of parts are required to be assembled by high-temperature brazing, in particular to a current new energy automobile heat-dissipation water-cooling plate and a liquid-cooling plate in the communication field, but a product substrate is welded after being processed or forged by a section bar, so that the cost is high and the efficiency is low. The existing high-efficiency high-pressure casting aluminum alloy mainly has the defects of low melting point, no high-temperature brazing temperature, or high melting point, poor casting fluidity and high shrinkage, and cannot be applied to the existing high-pressure casting.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to solve one of the following technical problems in the prior art or related technologies:
the existing aluminum alloy has the problems that the melting point is low, the aluminum alloy cannot be suitable for high-temperature brazing, or the aluminum alloy has the problems of high melting point, poor casting fluidity, high shrinkage rate, poor comprehensive performance and incapability of being practically applied to high-pressure casting.
(II) technical scheme
In order to solve the technical problems, the invention provides a brazed high-heat-conductivity high-pressure casting aluminum alloy, which adopts the following specific technical scheme:
a solderable high thermal conductivity high pressure casting aluminum alloy comprising silicon, iron, copper, zinc, manganese, chromium, magnesium, zirconium, boron, titanium, nickel, lanthanum, molybdenum, and the balance aluminum and unavoidable other impurities.
Preferably, the aluminum alloy comprises, by weight, not more than 0.5% of silicon, not more than 0.5% of iron, not more than 0.3% of copper, not more than 0.3% of zinc, not more than 0.85% of manganese, not more than 0.2% of chromium, not more than 0.5% of magnesium, 0.1% to 0.5% of zirconium, 0.05% to 0.2% of boron, not more than 0.15% of titanium, not more than 0.5% of nickel, 5% to 15% of lanthanum, and not more than 0.2% of molybdenum.
More preferably, the silicon content is 0.4% -0.5%, the iron content is 0.4% -0.5%, the copper content is 0.2% -0.3%, the zinc content is 0.2% -0.3%, the manganese content is 0.7% -0.8%, the chromium content is 0.05% -0.2%, the magnesium content is 0.4% -0.5%, the zirconium content is 0.1% -0.5%, the boron content is 0.05% -0.2%, the titanium content is 0.01% -0.15%, the nickel content is 0.4% -0.5%, the lanthanum content is 5% -15%, and the molybdenum content is 0.15% -0.2% by weight.
More preferably, the silicon content is 0.5%, the iron content is 0.45%, the copper content is 0.25%, the zinc content is 0.28%, the manganese content is 0.8%, the chromium content is 0.11%, the magnesium content is 0.5%, the zirconium content is 0.5%, the boron content is 0.18%, the titanium content is 0.13%, the nickel content is 0.45%, the lanthanum content is 14%, and the molybdenum content is 0.18% by weight.
Preferably, the content of unavoidable other impurities is not higher than 0.15%.
Preferably, the tensile strength of the high pressure cast aluminum alloy is 200MPa to 250MP.
More preferably, the tensile strength of the high pressure cast aluminum alloy is 206MPa-231MP.
Preferably, the yield strength of the high pressure cast aluminum alloy is 100MPa to 130MP.
More preferably, the yield strength of the high pressure cast aluminum alloy is 105MPa to 119MP.
Preferably, the high pressure cast aluminum alloy has a thermal conductivity of >160 w/m.k.
(III) beneficial effects
Compared with the prior art, the invention has the beneficial effects that:
1. the aluminum alloy provided by the invention has a higher melting point, can be brazed at a higher temperature, and the prepared die-casting aluminum alloy part can replace a machined carving part and a forging part, so that the precision molding is realized, the utilization rate of an aluminum alloy material of a product is greatly improved, the production process cost is reduced, and the running efficiency of a water cooling plate heat dissipation system can be improved due to a higher heat conductivity coefficient.
2. The melting point of the aluminum alloy prepared by the method can reach 625 ℃, and meanwhile, the aluminum alloy has better machining performance, the tensile strength can reach 231MPa, and the yield strength can reach 119MPa. The aluminum alloy has excellent overall properties, has a higher melting point, can keep better mechanical properties in an as-cast state, and has excellent fluidity and shrinkage rate, so that the aluminum alloy can be suitable for high-temperature brazing operation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a graph showing the solid ratio with temperature when heating a conventional Al-Si die casting alloy from a solid state to a liquid state.
FIG. 2 is a graph showing the change of the thermal conductivity coefficient with temperature of the conventional Al-Si die casting alloy.
FIG. 3 is a graph showing the solid-to-liquid ratio of the aluminum alloy prepared in example 3 as a function of temperature when heated from the solid state to the liquid state.
FIG. 4 is a graph showing the thermal conductivity of the aluminum alloy prepared in example 3 as a function of temperature.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be practiced in many different embodiments, which are defined and covered by the claims.
Example 1
The embodiment provides a high-heat conductivity high-pressure casting aluminum alloy capable of being brazed, wherein the content of each element in the aluminum alloy is as follows in percentage by weight: silicon content of 0.4%, iron content of 0.4%, copper content of 0.2%, zinc content of 0.2%, manganese content of 0.7%, chromium content of 0.09%, magnesium content of 0.41%, zirconium content of 0.15%, boron content of 0.05%, titanium content of 0.01%, nickel content of 0.4%, lanthanum content of 5.4%, molybdenum content of 0.15%, unavoidable impurities content of less than 0.15%, and the balance aluminum.
Example 2
The embodiment provides a high-heat conductivity high-pressure casting aluminum alloy capable of being brazed, wherein the content of each element in the aluminum alloy is as follows in percentage by weight: silicon content of 0.45%, iron content of 0.4%, copper content of 0.2%, zinc content of 0.2%, manganese content of 0.75%, chromium content of 0.09%, magnesium content of 0.43%, zirconium content of 0.25%, boron content of 0.1%, titanium content of 0.01%, nickel content of 0.4%, lanthanum content of 9.8%, molybdenum content of 0.15%, unavoidable impurities content of less than 0.05%, and the balance aluminum.
Example 3
The embodiment provides a high-heat conductivity high-pressure casting aluminum alloy capable of being brazed, wherein the content of each element in the aluminum alloy is as follows in percentage by weight: silicon content of 0.5%, iron content of 0.45%, copper content of 0.25%, zinc content of 0.28%, manganese content of 0.8%, chromium content of 0.11%, magnesium content of 0.5%, zirconium content of 0.5%, boron content of 0.18%, titanium content of 0.13%, nickel content of 0.45%, lanthanum content of 5%, molybdenum content of 0.15%, unavoidable impurities content of less than 0.05%, and the balance aluminum.
Example 4
The embodiment provides a high-heat conductivity high-pressure casting aluminum alloy capable of being brazed, wherein the content of each element in the aluminum alloy is as follows in percentage by weight: silicon content of 0.5%, iron content of 0.45%, copper content of 0.25%, zinc content of 0.28%, manganese content of 0.8%, chromium content of 0.11%, magnesium content of 0.5%, zirconium content of 0.5%, boron content of 0.18%, titanium content of 0.13%, nickel content of 0.45%, lanthanum content of 15%, molybdenum content of 0.2%, unavoidable impurities content of less than 0.05%, and the balance aluminium.
Example 5
The embodiment provides a high-heat conductivity high-pressure casting aluminum alloy capable of being brazed, wherein the content of each element in the aluminum alloy is as follows in percentage by weight: silicon content 0.5%, iron content 0.45%, copper content 0.25%, zinc content 0.28%, manganese content 0.8%, chromium content 0.11%, magnesium content 0.5%, zirconium content 0.5%, boron content 0.18%, titanium content 0.13%, nickel content 0.45%, lanthanum content 14%, molybdenum content 0.18%, unavoidable impurities content less than 0.05%, and the balance aluminum.
Example 6
Melting point, yield strength, tensile strength, elongation at break and thermal conductivity of the aluminum alloys prepared in examples 1 to 3 were measured. The measurement method is as follows:
wherein, the method for measuring the melting point of the aluminum alloy adopts the method of GB/T40320-2021; the tensile strength, yield strength and elongation at break of the aluminum alloy sample are tested by using GB/T228.1-2021 test standard, and the test tensile speed is 2mm/min. The heat conductivity of the aluminum alloy is measured by a laser heat conduction method. Meanwhile, in the measurement process, the melting point and the heat conductivity coefficient of the conventional Al-Si die-casting aluminum alloy material are also measured (see fig. 1 and 2). Wherein the conventional Al-Si die-cast aluminum alloy material is named YL101.
The melting points and heat conductivity coefficients of the aluminum alloy of example 3 and the conventional die casting aluminum alloy are shown in fig. 1 to 4.
TABLE 1 measurement results of Properties of aluminum alloys prepared in examples 1 to 3
| Index (I) | Example 1 | Example 2 | Example 3 |
| Melting point (. Degree. C.) | 625 | 627 | 625 |
| Yield strength (MPa) | 206 | 208 | 231 |
| Tensile strength (MPa) | 105 | 106 | 119 |
| Elongation at break (%) | 5.5 | 5.3 | 5.1 |
| Coefficient of thermal conductivity (KW/m.k) | 161 | 162 | 165 |
As can be seen from Table 1 and FIGS. 1 to 4, the melting point of the aluminum alloy prepared by the method is higher than 625 ℃, the yield strength is higher than 231MPa, the tensile strength is 119MPa, the elongation at break is 5.1%, and the heat conductivity coefficient is higher than 160 KW/m.k. The melting point and the heat conductivity coefficient of the conventional die-casting aluminum alloy are obviously lower than those of the aluminum alloy materials prepared in the examples 1-3.
The aluminum alloy material prepared by the embodiment is a brand new die-casting aluminum alloy, can realize die-casting production, has higher heat conductivity coefficient and solidus temperature higher than 625 ℃, and can be brazed. The aluminum alloy material can replace machining or forging forming, so that precision forming is realized, the utilization rate of the aluminum alloy material of the product is greatly improved, the production process cost is reduced, and the high heat conductivity coefficient can improve the operation efficiency of the water cooling plate heat dissipation system, and has low cost and high production efficiency.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A solderable high thermal conductivity high pressure casting aluminum alloy comprising silicon, iron, copper, zinc, manganese, chromium, magnesium, zirconium, boron, titanium, nickel, lanthanum, molybdenum, the balance aluminum and unavoidable other impurities.
2. The high thermal conductivity high pressure casting aluminum alloy as claimed in claim 1, wherein the silicon content is not higher than 0.5%, the iron content is not higher than 0.5%, the copper content is not higher than 0.3%, the zinc content is not higher than 0.3%, the manganese content is not higher than 0.85%, the chromium content is not higher than 0.2%, the magnesium content is not higher than 0.5%, the zirconium content is 0.1% -0.5%, the boron content is 0.05% -0.2%, the titanium content is not higher than 0.15%, the nickel content is not higher than 0.5%, the lanthanum content is 5% -15%, and the molybdenum content is not higher than 0.2% by weight.
3. The high thermal conductivity high pressure casting aluminum alloy as claimed in claim 2, wherein the content of silicon is 0.4% -0.5%, the content of iron is 0.4% -0.5%, the content of copper is 0.2% -0.3%, the content of zinc is 0.2% -0.3%, the content of manganese is 0.7% -0.8%, the content of chromium is 0.05% -0.2%, the content of magnesium is 0.4% -0.5%, the content of zirconium is 0.1% -0.5%, the content of boron is 0.05% -0.2%, the content of titanium is 0.01% -0.15%, the content of nickel is 0.4% -0.5%, the content of lanthanum is 5% -15%, and the content of molybdenum is 0.15% -0.2%.
4. A solderable high thermal conductivity high pressure casting aluminum alloy according to claim 3, wherein, in weight percent, the silicon content is 0.5%, the iron content is 0.45%, the copper content is 0.25%, the zinc content is 0.28%, the manganese content is 0.8%, the chromium content is 0.11%, the magnesium content is 0.5%, the zirconium content is 0.5%, the boron content is 0.18%, the titanium content is 0.13%, the nickel content is 0.45%, the lanthanum content is 14%, and the molybdenum content is 0.18%.
5. The brazeable high thermal conductivity high pressure casting aluminum alloy of claim 1, wherein the content of unavoidable other impurities is not higher than 0.15%.
6. The brazeable high thermal conductivity high pressure casting aluminum alloy of claim 1, wherein the tensile strength is 200MPa-250MP.
7. The brazeable high thermal conductivity high pressure casting aluminum alloy of claim 6, wherein the tensile strength is 206MPa-231MP.
8. The brazeable high thermal conductivity high pressure casting aluminum alloy of claim 1, wherein the yield strength is 100MPa-130MP.
9. The brazeable high thermal conductivity high pressure casting aluminum alloy of claim 8, wherein the yield strength is 105MPa-119MP.
10. The brazeable high thermal conductivity high pressure casting aluminum alloy of claim 1, wherein the thermal conductivity is >160 w/m-k.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118792551A (en) * | 2024-09-12 | 2024-10-18 | 苏州慧金新材料科技有限公司 | A high temperature resistant brazable die-casting aluminum alloy and its preparation method and application |
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| CN116377289A (en) * | 2023-04-10 | 2023-07-04 | 帅翼驰新材料集团有限公司 | High pressure cast aluminum alloy suitable for brazing |
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- 2023-09-20 CN CN202311216287.7A patent/CN117144203A/en active Pending
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| CN115821127A (en) * | 2022-08-10 | 2023-03-21 | 帅翼驰新材料集团有限公司 | High pressure cast aluminum alloys with improved performance after baking |
| CN116377289A (en) * | 2023-04-10 | 2023-07-04 | 帅翼驰新材料集团有限公司 | High pressure cast aluminum alloy suitable for brazing |
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| Title |
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| 任颂赞等: "《金相分析原理及技术》", 31 August 2013, 上海科学技术文献出版社, pages: 756 - 758 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118792551A (en) * | 2024-09-12 | 2024-10-18 | 苏州慧金新材料科技有限公司 | A high temperature resistant brazable die-casting aluminum alloy and its preparation method and application |
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Application publication date: 20231201 |