CN103924134A - Improvement formula and heat treatment process of aluminum alloy material - Google Patents
Improvement formula and heat treatment process of aluminum alloy material Download PDFInfo
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- CN103924134A CN103924134A CN201410105135.4A CN201410105135A CN103924134A CN 103924134 A CN103924134 A CN 103924134A CN 201410105135 A CN201410105135 A CN 201410105135A CN 103924134 A CN103924134 A CN 103924134A
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Abstract
The invention provides an aluminum alloy material improvement formula, and relates to the field of aluminum alloy processing technology. According to the present invention, the chemical components comprise 0.6-0.7% of Si, 0.1-0.2% of Fe, 0.32-0.36% of Cn, 0.07-0.1% of Mn, 1-1.1% of Mg, 0.1-0.25% of Zn, 0.06-0.08% of Ti, and the balance of Al; the solid solution treatment manner comprises that: the solid solution temperature is 530+/-3 DEG C, the thermal insulation time is 3.5-4 h, the water temperature is controlled to 50-60 DEG C, the water inlet time is less than 20 mm, the in-water time is 15-20 min, the time from taking-out-from-the-water to placing-in-air is 25-40 min, the material is placed into an aging furnace, the aging temperature is 180+/-3 DEG C, and the thermal insulation time is 9.5 h; and with the solid solution treatment, the mechanical property is stable, the tensile strength is greater than 340 MPa, the yield strength is greater than 310 MPa, the hardness is more than HB120, and the elongation is more than 12%.
Description
Technical field
The present invention relates to aluminium alloy complete processing field, be specifically related to improved formulations and the thermal treatment process of aluminum alloy materials.
Background technology
6061 aluminium alloy, the proportional range of various elements is too wide, and the mechanical property of material is difficult to stablize, and different element ratio scopes is different, very large on the mechanical property impact of material.Section bar all 6061, sheet material and forging product, these features of ubiquity, compel the ratio in the chemical composition of accurate optimization material, improve 6061 mechanical property, aluminium alloy requires very strict to solid solution craft, very responsive to the temperature of solid solution, the water temperature of solid solution also has different requirements.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of mechanical property highly stable, the improved formulations of the large aluminum alloy materials of tensile strength and thermal treatment process.
Technical problem to be solved by this invention realizes by the following technical solutions:
The improved formulations of aluminum alloy materials, is characterized in that: Chemical Composition comprises: Si:0.6-0.7%, Fe:0.1-0.2%, Cn:0.32-0.36%, Mn:0.07-0.1%, Mg; 1-1.1%, Zn; 0.1-0.25%Ti:0.06-0.08%, all the other Al.
Chemical Composition is mainly: Si:0.7%, Fe:0.2%, Cn:0.36%, Mn:0.1%, Mg; 1.1%, Zn; 0.25%Ti:0.08%, all the other Al.
Solution treatment mode: solid solubility temperature is at 530 ℃ ± 3 ℃, soaking time is 3.5 hours-4 hours, water temperature is controlled at 50 ℃-60 ℃, in flooding time <20mm, in water, the time is 15min-20min, puts forward to be placed in air from water, time is 25-40min, put aging oven into, 180 ℃ ± 3 ℃ of aging temps, soaking time is 9.5 hours.
Through the solution treatment of this mode, mechanical property is highly stable, and tensile strength is greater than 340MPa, and yield strength is greater than 310MPa, and hardness is more than HB120, and unit elongation is more than 12%.
The invention has the beneficial effects as follows:
1, mechanical property is relatively stable, than completing raising;
2, technology controlling and process is fairly simple;
3, grain structure is thinner and even;
4, the assorted slag of material is little.
Embodiment
For technique means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with specific embodiment, further set forth the present invention.
6061 aluminium, Chemical Composition Si0.4-0.8%Fe is originally less than all the other Al of 0.7%Cn0.15-0.4%Mn0.15%Mg0.8-1.2%Cr0.04-0.35%Zn0.25%Ti0.25%, the proportional range of these elements is too wide, very large on mechanical property impact, if Si content is upper poor, after solid solution, its hardness can be high so, and tensile strength can be high, but unit elongation can be low; If the content of Fe is upper poor, in illustrative material, the assorted material of iron content is many, after solution treatment, can produce fragility; The content of Cu is at allowance below nominal size, and the unit elongation after Overheating Treatment can be on the low side, to solution treatment, brings a lot of difficulties;
The improved formulations of aluminum alloy materials, Chemical Composition is mainly: Si:0.7%, Fe:0.2%, Cn:0.36%, Mn:0.1%, Mg; 1.1%, Zn; 0.25%Ti:0.08%, all the other Al.
Solution treatment mode: solid solubility temperature is at 530 ℃, soaking time is 3.5 hours, water temperature is controlled at 50 ℃-60 ℃, in flooding time <20mm, in water, the time is 15min, puts forward to be placed in air from water, time is 25, put aging oven into, 180 ℃ of aging temps, soaking time is 9.5 hours;
Through the solution treatment of this mode, mechanical property is highly stable, and tensile strength is greater than 340MPa, and yield strength is greater than 310MPa, and hardness is more than HB120, and unit elongation is more than 12%.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. the improved formulations of aluminum alloy materials, is characterized in that: Chemical Composition comprises: Si:0.6-0.7%, Fe:0.1-0.2%, Cn:0.32-0.36%, Mn:0.07-0.1%, Mg; 1-1.1%, Zn; 0.1-0.25%Ti:0.06-0.08%, all the other Al.
2. according to the improved formulations of the aluminum alloy materials described in claim 1, it is characterized in that: described Chemical Composition is mainly: Si:0.7%, Fe:0.2%, Cn:0.36%, Mn:0.1%, Mg; 1.1%, Zn; 0.25%Ti:0.08%, all the other Al.
3. the thermal treatment process of aluminum alloy materials, it is characterized in that: solution treatment mode: solid solubility temperature is at 530 ℃ ± 3 ℃, soaking time is 3.5 hours-4 hours, and water temperature is controlled at 50 ℃-60 ℃, in flooding time <20mm, in water, the time is 15min-20min, from water, put forward to be placed in air, the time is 25-40min, puts aging oven into, 180 ℃ ± 3 ℃ of aging temps, soaking time is 9.5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105135.4A CN103924134A (en) | 2014-03-20 | 2014-03-20 | Improvement formula and heat treatment process of aluminum alloy material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410105135.4A CN103924134A (en) | 2014-03-20 | 2014-03-20 | Improvement formula and heat treatment process of aluminum alloy material |
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| CN103924134A true CN103924134A (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410105135.4A Pending CN103924134A (en) | 2014-03-20 | 2014-03-20 | Improvement formula and heat treatment process of aluminum alloy material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107475585A (en) * | 2017-09-30 | 2017-12-15 | 江苏亚太安信达铝业有限公司 | A kind of high intensity hard disk aluminium alloy and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505087A (en) * | 2011-12-31 | 2012-06-20 | 辽宁忠旺集团有限公司 | Method for manufacturing aluminum alloy section material for floor of rail transport car body |
| CN102732760A (en) * | 2012-07-19 | 2012-10-17 | 湖南大学 | Aluminum alloy plate for automobile bodies |
| CN103060632A (en) * | 2012-12-18 | 2013-04-24 | 莫纳什大学 | Aluminum alloy for automotive body and heat treatment method |
| WO2013118734A1 (en) * | 2012-02-10 | 2013-08-15 | 株式会社神戸製鋼所 | Aluminum alloy sheet for connecting components and manufacturing process therefor |
| CN103255362A (en) * | 2013-04-03 | 2013-08-21 | 燕山大学 | Heat treatment method for 6XXX series aluminum alloy |
-
2014
- 2014-03-20 CN CN201410105135.4A patent/CN103924134A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505087A (en) * | 2011-12-31 | 2012-06-20 | 辽宁忠旺集团有限公司 | Method for manufacturing aluminum alloy section material for floor of rail transport car body |
| WO2013118734A1 (en) * | 2012-02-10 | 2013-08-15 | 株式会社神戸製鋼所 | Aluminum alloy sheet for connecting components and manufacturing process therefor |
| CN102732760A (en) * | 2012-07-19 | 2012-10-17 | 湖南大学 | Aluminum alloy plate for automobile bodies |
| CN103060632A (en) * | 2012-12-18 | 2013-04-24 | 莫纳什大学 | Aluminum alloy for automotive body and heat treatment method |
| CN103255362A (en) * | 2013-04-03 | 2013-08-21 | 燕山大学 | Heat treatment method for 6XXX series aluminum alloy |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107475585A (en) * | 2017-09-30 | 2017-12-15 | 江苏亚太安信达铝业有限公司 | A kind of high intensity hard disk aluminium alloy and preparation method thereof |
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Application publication date: 20140716 |