CN103572111A - High-strength and toughness cast aluminum alloy - Google Patents
High-strength and toughness cast aluminum alloy Download PDFInfo
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- CN103572111A CN103572111A CN201310581912.8A CN201310581912A CN103572111A CN 103572111 A CN103572111 A CN 103572111A CN 201310581912 A CN201310581912 A CN 201310581912A CN 103572111 A CN103572111 A CN 103572111A
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- aluminum alloy
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- cast aluminum
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Abstract
The invention belongs to an aluminum alloy, and particularly relates to a high-strength and toughness cast aluminum alloy. The high-strength and toughness cast aluminum alloy comprises the following components in percentage by weight: 6.5%-7.50% of Si, 0.3%-0.45% of Mg, 0.1%-0.2% of Sr, not more than 0.1% of Cu, 0.02% of Cr, not more than 0.2% of Ti, not more than 0.5% of Mn, not more than 0.05% of Zn, not more than 0.12% of Fe and the balance of Al. The high-strength and toughness cast aluminum alloy has tensile strength of 250 MPa, elongation rate of 5% and brinell hardness of 80 HBW.
Description
Technical field
The invention belongs to a kind of aluminium alloy, specifically a kind of high-toughness casting aluminum alloy.
Background technology
The invention provides a kind of high-toughness casting aluminum alloy, be widely used in space flight, aviation and automobile and other industries.
Summary of the invention
The object of the present invention is to provide a kind of high-toughness casting aluminum alloy material, the technical solution used in the present invention is:
Its composition is by weight percentage: Si:6.5～7.50%, Mg:0.3～0.45%, Sr:0.1～0.2%, Cu≤0.1%, Cr:0.02%, Ti≤0.2%, Mn≤0.5%, Zn≤0.05%, Fe≤0.12%, surplus is Al.Manufacture method comprises the following steps:
(1) melting aluminium first, removes waste residue;
(2) temperature is risen to 780 ℃, add Sr;
(3) temperature of aluminum liquid is adjusted to 740 ℃ of degasification 30 minutes;
(4) cool the temperature to 690 ℃ of pouring temperatures;
(5) pouring mould into casts;
(6) aluminum alloy casting is processed through artificial aging.
High-toughness casting aluminum alloy tensile strength of the present invention is 250MPa, and elongation is 5%, Brinell hardness 80HBW.
Embodiment
Embodiment 1
High-toughness casting aluminum alloy, its composition is by weight percentage: Si6.9%, Mg0.33%, Sr0.1, Cu0.05%, Cr:0.02%, Ti0.2%, Mn0.1%, Zn0.05%, Fe0.12%, surplus is Al.
Manufacture method comprises the following steps:
(1) melting aluminium first, removes waste residue;
(2) temperature is risen to 780 ℃, add Sr;
(3) temperature of aluminum liquid is adjusted to 740 ℃ of degasification 30 minutes;
(4) cool the temperature to 690 ℃ of pouring temperatures;
(5) pouring mould into casts;
(6) aluminum alloy casting is processed through artificial aging.
The high-toughness casting aluminum alloy that adopts mentioned component and method casting, its surperficial cold shut, crackle reduce, good percentage elongation, tensile strength is 250MPa, elongation is 5%, Brinell hardness 80HBW.
Embodiment 2
High-toughness casting aluminum alloy, its composition is by weight percentage: Si6.5, Mg0.3%, Sr0.2%, Cu0.1%, Cr:0.02%, Ti0.2%, Mn0.5%, Zn0.05%, Fe0.12%, surplus is that Al manufacture method comprises the following steps:
(1) melting aluminium first, removes waste residue;
(2) temperature is risen to 780 ℃, add Sr;
(3) temperature of aluminum liquid is adjusted to 740 ℃ of degasification 30 minutes;
(4) cool the temperature to 690 ℃ of pouring temperatures;
(5) pouring mould into casts;
(6) aluminum alloy casting is processed through artificial aging.
The high-toughness casting aluminum alloy that adopts mentioned component and method casting, its surperficial cold shut, crackle reduce, good percentage elongation, tensile strength is 250MPa, elongation is 5%, Brinell hardness 80HBW.
Claims (2)
1. high-toughness casting aluminum alloy, it is characterized in that: its composition by weight percentage, Si:6.5～7.50%, Mg:0.3～0.45%, Sr:0.1～0.2%, Cu≤0.1%, Cr:0.02%, Ti≤0.2%, Mn≤0.5%, Zn≤0.05%, Fe≤0.12%, surplus is Al.
2. high-toughness casting aluminum alloy according to claim 1, is characterized in that: its manufacture method comprises the following steps:
(1) melting aluminium first, removes waste residue;
(2) temperature is risen to 780 ℃, add Sr;
(3) temperature of aluminum liquid is adjusted to 740 ℃ of degasification 30 minutes;
(4) cool the temperature to 690 ℃ of pouring temperatures;
(5) pouring mould into casts;
(6) aluminum alloy casting is processed through artificial aging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310581912.8A CN103572111A (en) | 2013-11-20 | 2013-11-20 | High-strength and toughness cast aluminum alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310581912.8A CN103572111A (en) | 2013-11-20 | 2013-11-20 | High-strength and toughness cast aluminum alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103572111A true CN103572111A (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310581912.8A Pending CN103572111A (en) | 2013-11-20 | 2013-11-20 | High-strength and toughness cast aluminum alloy |
Country Status (1)
| Country | Link |
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| CN (1) | CN103572111A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794414A (en) * | 2017-11-02 | 2018-03-13 | 成都金川田农机制造有限公司 | A kind of aluminium alloy |
| CN107794412A (en) * | 2016-08-29 | 2018-03-13 | 宁波高新区力红新材料科技有限公司 | A kind of aluminium alloy and casting method |
| CN108103332A (en) * | 2017-06-12 | 2018-06-01 | 吉林大学 | A kind of method of the high tough as-cast aluminum alloy of low temperature stabilization processing |
| WO2018161311A1 (en) * | 2017-03-09 | 2018-09-13 | GM Global Technology Operations LLC | Aluminum alloys |
| CN109055830A (en) * | 2018-08-21 | 2018-12-21 | 宁波合力模具科技股份有限公司 | A kind of high tough aluminium alloy and preparation method thereof |
| WO2021254154A1 (en) * | 2020-06-18 | 2021-12-23 | 比亚迪股份有限公司 | Aluminum alloy, preparation method therefor and application thereof |
| CN115287506A (en) * | 2022-07-25 | 2022-11-04 | 北京科技大学 | Heat treatment-free high-strength and high-toughness cast aluminum alloy, and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1555423A (en) * | 2001-07-25 | 2004-12-15 | �Ѻ͵繤��ʽ���� | Aluminum alloy excellent in machinability, and aluminum alloy material and method for production thereof |
| CN102899539A (en) * | 2012-11-07 | 2013-01-30 | 南京宁铁有色合金科技开发有限公司 | High-plasticity aluminum-silicon alloy for die casting and preparation method thereof |
-
2013
- 2013-11-20 CN CN201310581912.8A patent/CN103572111A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1555423A (en) * | 2001-07-25 | 2004-12-15 | �Ѻ͵繤��ʽ���� | Aluminum alloy excellent in machinability, and aluminum alloy material and method for production thereof |
| CN102899539A (en) * | 2012-11-07 | 2013-01-30 | 南京宁铁有色合金科技开发有限公司 | High-plasticity aluminum-silicon alloy for die casting and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794412A (en) * | 2016-08-29 | 2018-03-13 | 宁波高新区力红新材料科技有限公司 | A kind of aluminium alloy and casting method |
| WO2018161311A1 (en) * | 2017-03-09 | 2018-09-13 | GM Global Technology Operations LLC | Aluminum alloys |
| US10927436B2 (en) | 2017-03-09 | 2021-02-23 | GM Global Technology Operations LLC | Aluminum alloys |
| CN108103332A (en) * | 2017-06-12 | 2018-06-01 | 吉林大学 | A kind of method of the high tough as-cast aluminum alloy of low temperature stabilization processing |
| CN107794414A (en) * | 2017-11-02 | 2018-03-13 | 成都金川田农机制造有限公司 | A kind of aluminium alloy |
| CN109055830A (en) * | 2018-08-21 | 2018-12-21 | 宁波合力模具科技股份有限公司 | A kind of high tough aluminium alloy and preparation method thereof |
| WO2021254154A1 (en) * | 2020-06-18 | 2021-12-23 | 比亚迪股份有限公司 | Aluminum alloy, preparation method therefor and application thereof |
| CN115287506A (en) * | 2022-07-25 | 2022-11-04 | 北京科技大学 | Heat treatment-free high-strength and high-toughness cast aluminum alloy, and preparation method and application thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140212 |