CN111763854A - Production process of aluminum alloy material for locomotive - Google Patents
Production process of aluminum alloy material for locomotive Download PDFInfo
- Publication number
- CN111763854A CN111763854A CN202010834433.2A CN202010834433A CN111763854A CN 111763854 A CN111763854 A CN 111763854A CN 202010834433 A CN202010834433 A CN 202010834433A CN 111763854 A CN111763854 A CN 111763854A
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- CN
- China
- Prior art keywords
- percent
- aluminum alloy
- alloy material
- treatment
- equal
- 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.)
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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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/05—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
Abstract
The invention discloses a production process of an aluminum alloy material for a bullet train, which comprises the following chemical components: 0.3 to 0.6 percent of Si, 0.1 to 0.3 percent of Fe, less than or equal to 0.1 percent of Cu, less than or equal to 0.1 percent of Mn, less than or equal to 0.15 percent of Zn, 0.35 to 0.6 percent of Mg, less than or equal to 0.05 percent of Cr, less than or equal to 0.1 percent of Ti, 0.12 to 0.5 percent of Mn + Cr, and the balance: al; and sequentially carrying out solution treatment, quenching treatment, aging treatment and tempering treatment on the aluminum alloy material. The invention has the advantages that: on the premise of ensuring the mechanical property of the aluminum alloy material, the temperature of the solution treatment is reduced, the production energy consumption is greatly reduced, and the heat treatment efficiency is improved.
Description
Technical Field
The invention relates to a production process of an aluminum alloy material for a bullet train.
Background
Aluminum alloy is a non-ferrous metal which is most widely applied in industry, and along with rapid development of technology and industrial economy, the aluminum alloy is widely applied to various industries such as aerospace, automobiles, machinery and the like, so that the aluminum alloy is required to have higher strength and hardness, the strength and hardness of the aluminum alloy cannot meet the requirements, and the mechanical property of the aluminum alloy needs to be improved through heat treatment, but the existing treatment method is long in time consumption and high in treatment cost.
Disclosure of Invention
The invention aims to provide a production process of an aluminum alloy material for a bullet train, which has high heat treatment efficiency and can meet the requirement on mechanical properties.
The production process of the aluminum alloy material for the locomotive comprises the following chemical components: 0.3 to 0.6 percent of Si, 0.1 to 0.3 percent of Fe, less than or equal to 0.1 percent of Cu, less than or equal to 0.1 percent of Mn, less than or equal to 0.15 percent of Zn, 0.35 to 0.6 percent of Mg, less than or equal to 0.05 percent of Cr, less than or equal to 0.1 percent of Ti, 0.12 to 0.5 percent of Mn + Cr, and the balance: al; and sequentially carrying out solution treatment, quenching treatment, aging treatment and tempering treatment on the aluminum alloy material.
Further, the production process of the aluminum alloy material for the bullet train comprises the following steps of: and (3) placing the aluminum alloy material in an environment with the temperature of 535 +/-5 ℃ for heat preservation for 6-6.5 h.
Further, the production process of the aluminum alloy material for the bullet train comprises the following steps: and (3) rapidly putting the aluminum alloy material subjected to solid solution into quenching liquid at the temperature of 80 +/-10 ℃, and keeping for 5-10 min.
Further, the production process of the aluminum alloy material for the bullet train comprises the following steps: and placing the quenched aluminum alloy material in a low-temperature furnace at the temperature of 165 +/-5 ℃ for aging treatment for 4-4.5 hours.
Further, the production process of the aluminum alloy material for the bullet train comprises the following steps: and (3) tempering the aluminum alloy material subjected to the aging treatment in an environment at 400-500 ℃ for 20-30 min, and then naturally cooling.
The invention has the advantages that: on the premise of ensuring the mechanical property of the aluminum alloy material, the temperature of the solution treatment is reduced, the production energy consumption is greatly reduced, and the heat treatment efficiency is improved.
Detailed Description
The technical solution of the present invention is further described with reference to the following specific examples.
The production process of the aluminum alloy material for the locomotive comprises the following chemical components: 0.3 to 0.6 percent of Si, 0.1 to 0.3 percent of Fe, less than or equal to 0.1 percent of Cu, less than or equal to 0.1 percent of Mn, less than or equal to 0.15 percent of Zn, 0.35 to 0.6 percent of Mg, less than or equal to 0.05 percent of Cr, less than or equal to 0.1 percent of Ti, 0.12 to 0.5 percent of Mn + Cr, and the balance: al; and sequentially carrying out solution treatment, quenching treatment, aging treatment and tempering treatment on the aluminum alloy material.
Solution treatment: and (3) placing the aluminum alloy material in an environment with the temperature of 535 +/-5 ℃ for heat preservation for 6-6.5 h.
Quenching treatment: and (3) rapidly putting the aluminum alloy material subjected to the solution treatment into a quenching liquid at the temperature of 80 +/-10 ℃, and keeping for 5-10 min.
Aging treatment: and placing the quenched aluminum alloy material in a low-temperature furnace at the temperature of 165 +/-5 ℃ for aging treatment for 4-4.5 hours.
Tempering treatment: and (3) tempering the aluminum alloy material subjected to the aging treatment in an environment at 400-500 ℃ for 20-30 min, and then naturally cooling.
The aluminum alloy material manufactured by the production method of the invention has the following part of technical indexes:
tensile strength is 60-100 Mpa;
the yield strength is 100 Mpa;
elongation after fracture is 50mm percent;
hardness (HW): 28.
Claims (5)
1. the production process of the aluminum alloy material for the locomotive is characterized by comprising the following steps of: the chemical components are as follows: 0.3 to 0.6 percent of Si, 0.1 to 0.3 percent of Fe, less than or equal to 0.1 percent of Cu, less than or equal to 0.1 percent of Mn, less than or equal to 0.15 percent of Zn, 0.35 to 0.6 percent of Mg, less than or equal to 0.05 percent of Cr, less than or equal to 0.1 percent of Ti, 0.12 to 0.5 percent of Mn + Cr, and the balance: al; and sequentially carrying out solution treatment, quenching treatment, aging treatment and tempering treatment on the aluminum alloy material.
2. The production process of the aluminum alloy material for the bullet train according to claim 1, characterized in that: solution treatment: and (3) placing the aluminum alloy material in an environment with the temperature of 535 +/-5 ℃ for heat preservation for 6-6.5 h.
3. The production process of the aluminum alloy material for the bullet train according to claim 1, characterized in that: quenching treatment: and (3) rapidly putting the aluminum alloy material subjected to solid solution into quenching liquid at the temperature of 80 +/-10 ℃, and keeping for 5-10 min.
4. The production process of the aluminum alloy material for the bullet train according to claim 1, characterized in that: aging treatment: and placing the quenched aluminum alloy material in a low-temperature furnace at the temperature of 165 +/-5 ℃ for aging treatment for 4-4.5 hours.
5. The production process of the aluminum alloy material for the bullet train according to claim 1, characterized in that: tempering treatment: and (3) tempering the aluminum alloy material subjected to the aging treatment in an environment at 400-500 ℃ for 20-30 min, and then naturally cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010834433.2A CN111763854A (en) | 2020-08-19 | 2020-08-19 | Production process of aluminum alloy material for locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010834433.2A CN111763854A (en) | 2020-08-19 | 2020-08-19 | Production process of aluminum alloy material for locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111763854A true CN111763854A (en) | 2020-10-13 |
Family
ID=72729083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010834433.2A Withdrawn CN111763854A (en) | 2020-08-19 | 2020-08-19 | Production process of aluminum alloy material for locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111763854A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115896564A (en) * | 2022-12-30 | 2023-04-04 | 精美铝业有限公司 | Special aluminum alloy plate for new energy automobile charging device and preparation method thereof |
-
2020
- 2020-08-19 CN CN202010834433.2A patent/CN111763854A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115896564A (en) * | 2022-12-30 | 2023-04-04 | 精美铝业有限公司 | Special aluminum alloy plate for new energy automobile charging device and preparation method thereof |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201013 |