CN103614598B - A kind of Production method of aluminum alloy for rail-vehicle undercarriage plate - Google Patents
A kind of Production method of aluminum alloy for rail-vehicle undercarriage plate Download PDFInfo
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- CN103614598B CN103614598B CN201310711439.0A CN201310711439A CN103614598B CN 103614598 B CN103614598 B CN 103614598B CN 201310711439 A CN201310711439 A CN 201310711439A CN 103614598 B CN103614598 B CN 103614598B
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Abstract
A kind of Production method of aluminum alloy for rail-vehicle undercarriage plate provided by the invention, comprise: by metal mass percent Si < 0.30%, Fe < 0.35%, Cu < 0.20%, 0.20% < Mn < 0.70%, Mg is 1.0% ~ 2.0%, Cr < 0.30%, 4.0% < Zn < 5.0%, V < 0.1%, Ti < 0.2%, Zr < 0.25%, impurity < 0.15% and surplus are that Al prepares aluminium alloy stock, described aluminium alloy stock is carried out fusing and ingot casting process.Production method of aluminum alloy for rail-vehicle undercarriage plate provided by the invention, the tensile strength of the aluminium alloy obtained by the method, yield strength and unit elongation are higher, can meet the mechanical property requirements of high ferro underframe plate.
Description
Technical field
The present invention relates to technical field of aluminum alloy technology, particularly relate to a kind of Production method of aluminum alloy for rail-vehicle undercarriage plate.
Background technology
Along with the development of science and technology, high ferro is widely applied in each city.The continuous speed-raising of rail vehicle, proposes more and more higher requirement to the safe operation of vehicle, and wherein, the safe operation of quality to vehicle of chassis of rail vehicle plate has very important effect.
In prior art, for the metallic substance of chassis of rail vehicle plate, tensile strength, yield strength and unit elongation are poor, can not meet the mechanical property requirements of chassis of rail vehicle plate when high-speed cruising.
Therefore, how to meet high ferro underframe plate to the requirement of tensile strength, yield strength and unit elongation, become those skilled in the art's important technological problems to be solved.
Summary of the invention
The invention provides a kind of Production method of aluminum alloy for rail-vehicle undercarriage plate, the tensile strength of the aluminium alloy obtained by the method, yield strength and unit elongation are higher, can meet the mechanical property requirements of high ferro underframe plate.
The invention provides a kind of Production method of aluminum alloy for rail-vehicle undercarriage plate, comprising:
By metal mass percent Si < 0.30%, Fe < 0.35%, Cu < 0.20%, 0.20% < Mn < 0.70%, Mg is 1.0% ~ 2.0%, Cr < 0.30%, 4.0% < Zn < 5.0%, V < 0.1%, Ti < 0.2%, Zr < 0.25%, impurity < 0.15% and surplus are that Al prepares aluminium alloy stock,
Described aluminium alloy stock is carried out fusing and ingot casting process.
Preferably, in described aluminium alloy stock, by metal mass percent Si < 0.25%, Fe < 0.25%, Cu < 0.15%, 0.30% < Mn < 0.60%, Mg is 1.5% ~ 2.0%, 0.06 < Cr < 0.20%, 4.2% < Zn < 4.8%, 0.01% < V < 0.05%, 0.08 < Ti < 0.12%, 0.15 < Zr < 0.20%, impurity < 0.15%, surplus is Al.
Adopt Aluminum alloy production method provided by the invention, the floor underframe for vehicle plate of formation, its tensile strength sigma b >=315MPa, yield strength σ s >=195MPa, unit elongation δ >=11%, therefore, this floor underframe for vehicle plate provided by the invention can meet mechanical property requirements.
Embodiment
This embodiment provides a kind of Production method of aluminum alloy for rail-vehicle undercarriage plate, and the tensile strength of the aluminium alloy obtained by the method, yield strength and unit elongation are higher, can meet the mechanical property requirements of high ferro underframe plate.
Below in conjunction with specific embodiment, the inventive method is described in detail.
Embodiment 1
Table 1
According to the aluminium alloy stock that metal quality per-cent in table 1 is formed, through the aluminum alloy materials that fusing and ingot casting are formed, its tensile strength sigma b is 375MPa, yield strength σ s is 255MPa, and unit elongation δ is 19%, therefore, this alloy material meets tensile strength sigma b >=315MPa, yield strength σ s >=195MPa, the condition of unit elongation δ >=11%, can meet the mechanical property requirements of high ferro underframe plate.
Embodiment 2
Table 2
According to the aluminium alloy stock that metal quality per-cent in table 2 is formed, through the aluminum alloy materials that fusing and ingot casting are formed, its tensile strength sigma b is 377MPa, yield strength σ s is 255MPa, and unit elongation δ is 19.2%, therefore, this alloy material meets tensile strength sigma b >=315MPa, yield strength σ s >=195MPa, the condition of unit elongation δ >=11%, can meet the mechanical property requirements of high ferro underframe plate.
Embodiment 3
Table 3
According to the aluminium alloy stock that metal quality per-cent in table 3 is formed, through the aluminum alloy materials that fusing and ingot casting are formed, its tensile strength sigma b is 380MPa, yield strength σ s is 263MPa, and unit elongation δ is 19.5%, therefore, this alloy material meets tensile strength sigma b >=315MPa, yield strength σ s >=195MPa, the condition of unit elongation δ >=11%, can meet the mechanical property requirements of high ferro underframe plate.
Embodiment 4
Table 4
According to the aluminium alloy stock that metal quality per-cent in table 4 is formed, through the aluminum alloy materials that fusing and ingot casting are formed, its tensile strength sigma b is 378MPa, yield strength σ s is 265MPa, and unit elongation δ is 19.5%, therefore, this alloy material meets tensile strength sigma b >=315MPa, yield strength σ s >=195MPa, the condition of unit elongation δ >=11%, can meet the mechanical property requirements of high ferro underframe plate.
Above a kind of Production method of aluminum alloy for rail-vehicle undercarriage plate provided by the present invention is described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (1)
1. a Production method of aluminum alloy for rail-vehicle undercarriage plate, is characterized in that, comprising:
By metal mass percent Si=0.24%, Fe=0.24%, Cu=0.14%, Mn=0.59%, Mg=1.6%, Cr=0.19%, Zn=4.7%, V=0.04%, Ti=0.11%, Zr=0.19%, impurity=0.01%, surplus is that Al prepares aluminium alloy stock;
Or, by metal mass percent Si=0.01%, Fe=0.01%, Cu=0.01%, Mn=0.31%, Mg=1.9%, Cr=0.05%, Zn=4.3%, V=0.02%, Ti=0.09%, Zr=0.14%, impurity=0.1%, surplus is that Al prepares aluminium alloy stock;
Described aluminium alloy stock is carried out fusing and ingot casting process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310711439.0A CN103614598B (en) | 2013-12-20 | 2013-12-20 | A kind of Production method of aluminum alloy for rail-vehicle undercarriage plate |
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| CN201310711439.0A CN103614598B (en) | 2013-12-20 | 2013-12-20 | A kind of Production method of aluminum alloy for rail-vehicle undercarriage plate |
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| CN103614598A CN103614598A (en) | 2014-03-05 |
| CN103614598B true CN103614598B (en) | 2016-02-17 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032193B (en) * | 2014-05-20 | 2016-07-20 | 南京中车浦镇城轨车辆有限责任公司 | A kind of Al-Zn-Mg alloy and the preparation method of section bar thereof |
| CN104018041B (en) * | 2014-06-26 | 2016-08-24 | 龙口市丛林铝材有限公司 | A kind of high ferro car body aluminium section bar and preparation method thereof |
| CN104573705B (en) * | 2014-10-13 | 2017-10-13 | 北京建筑大学 | A kind of clustering method of building Point Cloud of Laser Scanner |
| CN106435304B (en) * | 2016-08-27 | 2019-03-26 | 来安县科来兴实业有限责任公司 | A kind of dedicated cracking resistance aluminium alloy of EMU gear case body and preparation method thereof |
| CN108486440B (en) * | 2018-05-11 | 2020-02-14 | 中车青岛四方机车车辆股份有限公司 | High-comprehensive-performance Al-Zn-Mg aluminum alloy material and preparation method and application thereof |
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| JPH09125184A (en) * | 1995-11-07 | 1997-05-13 | Kobe Steel Ltd | Welding structural material made of aluminum alloy and its production |
| CN101914710A (en) * | 2010-09-16 | 2010-12-15 | 东北轻合金有限责任公司 | Aluminum alloy sheet for high-speed train structure and manufacture thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09125184A (en) * | 1995-11-07 | 1997-05-13 | Kobe Steel Ltd | Welding structural material made of aluminum alloy and its production |
| CN101914710A (en) * | 2010-09-16 | 2010-12-15 | 东北轻合金有限责任公司 | Aluminum alloy sheet for high-speed train structure and manufacture thereof |
Non-Patent Citations (3)
| Title |
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| 7N01铝合金高速反向挤压实验研究;邓波等;《云南冶金》;20060831;第35卷(第4期);第50-52,83页 * |
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