CN104195392A - Superhigh-intensity high-toughness wear-resistant aluminium alloy material - Google Patents
Superhigh-intensity high-toughness wear-resistant aluminium alloy material Download PDFInfo
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- CN104195392A CN104195392A CN201410518413.9A CN201410518413A CN104195392A CN 104195392 A CN104195392 A CN 104195392A CN 201410518413 A CN201410518413 A CN 201410518413A CN 104195392 A CN104195392 A CN 104195392A
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- aluminium alloy
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Abstract
The invention provides a superhigh-strength high-toughness wear-resistant aluminium alloy. The aluminium alloy can further comprise one or more of rare earth elements such as Y, Nd, Sr, Gd and Ce, the weight percentage of the adding amount is 0.01-0.05%. The aluminium alloy material provided by the invention is prepared through spray forming, thermal deformation processing and heat treatment. The alloy has the advantages that the superhigh strength, high toughness and high wear resistance are realized, the technical defect in the prior art that the alloy is easy to wear is overcome, the service life of equipment is prolonged, the alloy material is utilized to greater extent and the production cost is lowered.
Description
Technical field
Originally relate to invention and a kind of aluminium alloy, particularly intensity at 750～800MPa or high-strength and high ductility wear-resistant aluminium alloy material more than 800MPa.
Background technology
Aluminium alloy is as most typical light material in metallic substance, there is low, the easy processing of proportion, low cost and other advantages, it is a kind of dual-use material of key always, the ultimate tensile strength that ultrahigh-strength aluminum alloy material is prepared to reaction-injection moulding by industrially developed country at present is improved, but wear resistance is unsatisfactory, make service life of equipment short, need to frequently change, the defect such as production cost is high, alloy raw material consumption amount is large.
Summary of the invention
The object of this invention is to provide a kind of ultimate tensile strength at 760～800MPa or ultrahigh-intensity high-toughness wear-resistant aluminium alloy material more than 800MPa, this novel alloy than traditional high-strength/tenacity aluminum alloy intensity improve more than 30%, wear resisting property improves more than 37%, thereby the work-ing life of extension device, save alloy raw material, reduce production costs, to solve the technical problem existing in prior art.
Technical solution of the present invention: the ultrahigh-intensity high-toughness wear-resistant aluminium alloy material of ultimate tensile strength of the present invention more than 800MPa by weight percentage, alloying constituent is Zn 6.5～11wt%, Mg 1.2～1.7Wt%, Cu 1.6～2.0wt %, Zr 0.1～0.2wt%, Ni 0.1～0.2wt%, Si 2.0-2.7wt%, all the other are Al.This material microstructure is even, and crystal grain is tiny, without significantly microcosmic and macrosegregation phenomenon occur.By appropriate heat treatment, the Main Mechanical of material reaches: σ
b=760～800Mpa, σ
0.2=720～760MPa, δ
5=4～9%.
Ultrahigh-intensity high-toughness wear-resistant aluminium alloy material of the present invention is by weight percentage:
Zn：?8.5～9.0％；Mg：?1.4～1.5％；Cu：1.82～1.86％；Zr：0.16～0.17％；
Ni：0.16～0.175％；Si：?2.4～2.56％。Ultrahigh-intensity high-toughness wear-resistant aluminum alloy of the present invention can also comprise rare earth element, and as one or more in Y, Nd, Sr, Gd and Ce, its add-on is 0.01～0.05% by weight percentage.; by weight percentage, alloying constituent is Zn 6.5～11wt % to ultrahigh-intensity high-toughness wear-resistant aluminium alloy material of the present invention, Mg 1.2～1.7Wt%; Cu 1.6～2.0wt%; Zr 0.1～0.2wt%, Ni 0.1～0.2wt%, Si 2.0-2.7wt%; rare earth element 0.01～0.05wt%; wherein, rare earth element is one or more in Y, Nd, Sr, Gd and Ce, and all the other are Al.
(alloying constituent is embodiment 1: Zn 9.5wt%, Mg 1.3wt%, Cu2.0wt%, Zr 0.2wt %, Ni 0.2wt%, Si 2.6wt%, 0.03wtGe%, all the other are Al) alloy that obtains not only has high intensity (803MPa), and in the load range of 8.9～35.6N, wear rate is only 0.8～1.4 (10
-5g/m), demonstrate this alloy and there is good wear resisting property.
Claims (1)
1. a ultrahigh-intensity high-toughness wear-resistant aluminium alloy material, it is characterized in that: by weight percentage, this alloying constituent is Zn 6.5～11wt%, Mg 1.2～1.7wt%, Cu 1.6～2.0wt%, Zr 0.1～0.2wt%, Ni 0.1～0.2wt%, Si 2.0～2.7wt%, all the other are Al.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410518413.9A CN104195392A (en) | 2014-10-03 | 2014-10-03 | Superhigh-intensity high-toughness wear-resistant aluminium alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410518413.9A CN104195392A (en) | 2014-10-03 | 2014-10-03 | Superhigh-intensity high-toughness wear-resistant aluminium alloy material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104195392A true CN104195392A (en) | 2014-12-10 |
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ID=52080754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410518413.9A Pending CN104195392A (en) | 2014-10-03 | 2014-10-03 | Superhigh-intensity high-toughness wear-resistant aluminium alloy material |
Country Status (1)
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| CN (1) | CN104195392A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105543585A (en) * | 2016-01-27 | 2016-05-04 | 广西平果铝合金精密铸件有限公司 | Die-casting aluminum alloy used for engine body and production method of die-casting aluminum alloy |
| CN106048339A (en) * | 2016-06-29 | 2016-10-26 | 南通恒金复合材料有限公司 | Aluminum alloy material for oil coolers |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465223A (en) * | 2010-11-17 | 2012-05-23 | 北京有色金属研究总院 | Aluminum alloy material with ultrahigh strength, high toughness and wear resistance and preparation method thereof |
-
2014
- 2014-10-03 CN CN201410518413.9A patent/CN104195392A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465223A (en) * | 2010-11-17 | 2012-05-23 | 北京有色金属研究总院 | Aluminum alloy material with ultrahigh strength, high toughness and wear resistance and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105543585A (en) * | 2016-01-27 | 2016-05-04 | 广西平果铝合金精密铸件有限公司 | Die-casting aluminum alloy used for engine body and production method of die-casting aluminum alloy |
| CN105543585B (en) * | 2016-01-27 | 2017-09-19 | 广西平果铝合金精密铸件有限公司 | A kind of engine body pack alloy and its production method |
| CN106048339A (en) * | 2016-06-29 | 2016-10-26 | 南通恒金复合材料有限公司 | Aluminum alloy material for oil coolers |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141210 |