CN105463268B - Aluminum alloy section bar of lock core - Google Patents

Aluminum alloy section bar of lock core Download PDF

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Publication number
CN105463268B
CN105463268B CN201510840634.2A CN201510840634A CN105463268B CN 105463268 B CN105463268 B CN 105463268B CN 201510840634 A CN201510840634 A CN 201510840634A CN 105463268 B CN105463268 B CN 105463268B
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China
Prior art keywords
parts
lock core
aluminium alloy
aluminum alloy
alloy extrusions
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CN201510840634.2A
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Chinese (zh)
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CN105463268A (en
Inventor
黄爱华
祁文平
刘强
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Nantong Huayang Aluminum Products Co ltd
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Rugao Huayang Aluminum Products Co ltd
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/02Alloys based on aluminium with silicon as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/06Alloys based on aluminium with magnesium as the next major constituent
    • C22C21/08Alloys based on aluminium with magnesium as the next major constituent with silicon

Abstract

The invention relates to an aluminum alloy section of a lock core, which comprises the following components in parts by weight: 0.8-1.0 part of silicon; 0.1-0.3 part of iron; 0.7-0.9 part of magnesium; 0.1-0.13 part of copper; 0.2-0.3 part of manganese; 0.01-0.05 part of chromium; 0.2-0.28 part of zinc; 0.1-0.2 part of titanium; 0.06-0.08 part of nickel; 96.96-97.63 parts of aluminum. The invention has the advantages that: the strength and the hardness of the aluminum alloy section of the lock cylinder are relatively improved, the strength and the hardness are moderate, the aluminum alloy section is suitable for the production requirement of the lock cylinder, and meanwhile, the extensibility is good, so that the punching requirement can be met; in addition, the aluminum alloy section of the lock cylinder is super wear-resistant and corrosion-resistant, so that the service life of the lock cylinder is prolonged.

Description

A kind of aluminium alloy extrusions of lock core
Technical field
The present invention relates to lock core field, more particularly to a kind of aluminium alloy extrusions of lock core.
Background technology
The material of existing market upper lock core is mostly copper, because copper has, material is hard, intensity is high, Cutting free adds The features such as work, production and the use requirement of lock core can be met.But in recent years with the continuous rising of copper valency, lock core cost also significantly on Rise.By contrast, the price of aluminium is the 1/4~1/3 of copper valency, and the proportion of aluminium also only has the 1/3 of copper, therefore manufactures with aluminium alloy lock Core can substantially reduce cost.But existing aluminum alloy materials can not all meet the production requirement of lock core, its material hardness is not too Higher position be it is too low, hardness too high production when can not direct extrusion forming, hardness is too low, turning can not be met, the processing of punching will Ask.
For above-mentioned phenomenon, China Patent No. is that 200810235338.X proposes a kind of aluminum alloy lock core, and it is constituted into The parts by weight divided are as follows:Silicon<0.4 part;Iron<0.4 part;1.0~1.3 parts of magnesium;1.0~12 parts of copper;0.3~0.4 part of manganese;Chromium 0.1~0.15 part;3.0~3.5 parts of zinc;0.2~0.25 part of titanium;Surplus is aluminium;Lock core formula Material Strength, hardness are moderate, Ductility is good, is that great amount of cost has been saved in lock core manufacture, but the wearability and corrosion resistance of the lock core are relatively poor.
Therefore, research and develop that a kind of intensity, hardness are adapted to and super abrasive, the aluminium alloy extrusions of corrosion resistant lock core are that have very much must Want.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of intensity, hardness is adapted to and super abrasive, corrosion resistant lock core Aluminium alloy extrusions.
In order to solve the above technical problems, the technical scheme is that:A kind of aluminium alloy extrusions of lock core, its innovative point exists In:The parts by weight of the composition of the aluminium alloy extrusions are as follows:
0.8-1.0 parts of silicon;
0.1-0.3 parts of iron;
0.7-0.9 parts of magnesium;
0.1-0.13 parts of copper;
0.2-0.3 parts of manganese;
0.01-0.05 parts of chromium;
0.2-0.28 parts of zinc;
0.1-0.2 parts of titanium;
0.06-0.08 parts of nickel;
96.96-97.63 parts of aluminium.
Further, the parts by weight of the composition of the aluminium alloy extrusions are as follows:
0.85-0.95 parts of silicon;
0.15-0.25 parts of iron;
0.75-0.85 parts of magnesium;
0.115-0.125 parts of copper;
0.24-0.26 parts of manganese;
0.02-0.04 parts of chromium;
0.22-0.26 parts of zinc;
0.12-0.18 parts of titanium;
0.065-0.075 parts of nickel;
97.11-97.37 parts of aluminium.
Further, the parts by weight of the composition of the aluminium alloy extrusions are as follows:
0.9 part of silicon;
0.2 part of iron;
0.8 part of magnesium;
0.12 part of copper;
0.25 part of manganese;
0.03 part of chromium;
0.24 part of zinc;
0.15 part of titanium;
0.07 part of nickel;
97.34 parts of aluminium.
The advantage of the invention is that:The aluminium alloy extrusions of lock core of the present invention is relative to improve in formula compared with traditional Element silicon and magnesium elements content, Mg2Si phases are the main hardening constituents in Al-Mg-Si system alloy, by improving Mg in alloy The content of element and Si elements, can improve Mg in alloy2The content of Si phases, is that the aluminium alloy extrusions intensity of final lock core is carried Rise and lay the foundation;Meanwhile, appropriate zinc adds the final strength for helping the aluminium alloy extrusions for improving lock core, and a small amount of copper is added, CuAl2 phases and Cu3Al2 phases can be generated, this two-phase also contributes to the raising of final strength;In addition, being added in the formula few The nickel element of amount, it can high polish and anticorrosive;Thus by lock core made from aluminium alloy extrusions of the present invention, its intensity and hard Degree is suitable for the production requirement of lock core, and ductility is good, disclosure satisfy that punching is required;Meanwhile, this lock core super abrasive and corrosion resistant Erosion, so as to improve its service life.
Embodiment
The following examples can make professional and technical personnel that the present invention is more fully understood, but therefore not send out this It is bright to be limited among described scope of embodiments.
Embodiment 1
The aluminium alloy core lock of the present embodiment, the parts by weight of the composition of the aluminium alloy extrusions are as follows:0.8 part of silicon;Iron 0.3 part;0.9 part of magnesium;0.13 part of copper;0.3 part of manganese;0.05 part of chromium;0.28 part of zinc;0.2 part of titanium;0.08 part of nickel;Aluminium 97.63 parts.
Embodiment 2
The aluminium alloy core lock of the present embodiment, the parts by weight of the composition of the aluminium alloy extrusions are as follows:1.0 parts of silicon;Iron 0.1 part;0.7 part of magnesium;0.1 part of copper;0.2 part of manganese;0.01 part of chromium;0.2 part of zinc;0.1 part of titanium;0.06 part of nickel;Aluminium 96.96 parts.
Embodiment 3
The aluminium alloy core lock of the present embodiment, the parts by weight of the composition of the aluminium alloy extrusions are as follows:0.85 part of silicon; 0.25 part of iron;0.85 part of magnesium;0.125 part of copper;0.26 part of manganese;0.04 part of chromium;0.26 part of zinc;0.18 part of titanium;Nickel 0.075 part;97.37 parts of aluminium.
Embodiment 4
The aluminium alloy core lock of the present embodiment, the parts by weight of the composition of the aluminium alloy extrusions are as follows:0.95 part of silicon; 0.15 part of iron;0.75 part of magnesium;0.115 part of copper;0.24 part of manganese;0.02 part of chromium;0.22 part of zinc;0.12 part of titanium;Nickel 0.065 part;97.11 parts of aluminium.
Embodiment 5
The aluminium alloy core lock of the present embodiment, the parts by weight of the composition of the aluminium alloy extrusions are as follows:0.9 part of silicon;Iron 0.2 part;0.8 part of magnesium;0.12 part of copper;0.25 part of manganese;0.03 part of chromium;0.24 part of zinc;0.15 part of titanium;0.07 part of nickel;Aluminium 97.34 parts.
The preparation method of above-described embodiment lock core:Rods and bars of aluminium alloy is made by Technology for Heating Processing in material therefor, aluminium is closed Extrude, ingress by mould after the heating of golden bar, the process such as alignment, and then scale sawing, frame up, the lock core needed for just obtaining Aluminium alloy extrusions.
Following table be the lock core of embodiment 1~5 aluminium alloy extrusions and conventional lock cylinders aluminium alloy extrusions performance parameter pair Than:
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5 Tradition
Tensile strength(25 DEG C, MPa) 308 306 314 316 322 285
Elongation percentage(1.6mm, thickness) 10 10 11 11 12 8
Sand trail barasion coefficient f/(g/µm)(AA15) 407 406 414 416 425 335
Drop alkali test/s(AA15) 85 85 87 87 88 68
As can be seen from the above table, relative to the aluminium alloy extrusions of traditional lock core, the aluminium alloy extrusions of lock core of the invention Its intensity and hardness are all relative to be improved, and intensity and hardness are moderate, are suitable for the production requirement of lock core, meanwhile, ductility is good, It disclosure satisfy that punching is required;In addition, the aluminium alloy extrusions super abrasive of this lock core and corrosion-resistant, so as to improve the use of lock core Life-span.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The skill of the industry Art personnel are it should be appreciated that the present invention is not limited to the above embodiments, and described in above-described embodiment and specification is explanation The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and Its equivalent thereof.

Claims (3)

1. a kind of aluminium alloy extrusions of lock core, it is characterised in that:The parts by weight of the composition of the aluminium alloy extrusions are as follows:
0.8-1.0 parts of silicon;
0.1-0.3 parts of iron;
0.7-0.9 parts of magnesium;
0.1-0.13 parts of copper;
0.2-0.3 parts of manganese;
0.01-0.05 parts of chromium;
0.2-0.28 parts of zinc;
0.1-0.2 parts of titanium;
0.06-0.08 parts of nickel;
96.96-97.63 parts of aluminium.
2. the aluminium alloy extrusions of lock core according to claim 1, it is characterised in that:The composition of the aluminium alloy extrusions Parts by weight it is as follows:
0.85-0.95 parts of silicon;
0.15-0.25 parts of iron;
0.75-0.85 parts of magnesium;
0.115-0.125 parts of copper;
0.24-0.26 parts of manganese;
0.02-0.04 parts of chromium;
0.22-0.26 parts of zinc;
0.12-0.18 parts of titanium;
0.065-0.075 parts of nickel;
97.11-97.37 parts of aluminium.
3. the aluminium alloy extrusions of lock core according to claim 1, it is characterised in that:The composition of the aluminium alloy extrusions Parts by weight it is as follows:
0.9 part of silicon;
0.2 part of iron;
0.8 part of magnesium;
0.12 part of copper;
0.25 part of manganese;
0.03 part of chromium;
0.24 part of zinc;
0.15 part of titanium;
0.07 part of nickel;
97.34 parts of aluminium.
CN201510840634.2A 2015-11-27 2015-11-27 Aluminum alloy section bar of lock core Active CN105463268B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107675035A (en) * 2017-08-24 2018-02-09 南通冠达粉末冶金有限公司 A kind of pressure casting method of auto parts machinery
CN107675033A (en) * 2017-08-24 2018-02-09 南通冠达粉末冶金有限公司 A kind of auto parts machinery aluminium alloy
CN107419995A (en) * 2017-09-11 2017-12-01 南通盛赫园林古建筑工程有限公司 A kind of aluminium alloy for door and window
CN108277405A (en) * 2018-03-13 2018-07-13 亚太轻合金(南通)科技有限公司 A kind of aluminium alloy extrusions of lock core
CN112852254A (en) * 2020-12-30 2021-05-28 镇江市润发铝业有限公司 High-strength corrosion-resistant composite aluminum foil and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101476412A (en) * 2008-11-14 2009-07-08 张家港市华杨金属制品有限公司 Aluminum alloy lock core
CN101921937A (en) * 2010-07-16 2010-12-22 张家港市华杨金属制品有限公司 Aluminum alloy lock cylinder
CN102534443A (en) * 2010-12-14 2012-07-04 张家港市华杨金属制品有限公司 Production process for improving strength of aluminum profile
CN102534444A (en) * 2010-12-14 2012-07-04 张家港市华杨金属制品有限公司 Production process capable of improving toughness of aluminum profile

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101476412A (en) * 2008-11-14 2009-07-08 张家港市华杨金属制品有限公司 Aluminum alloy lock core
CN101921937A (en) * 2010-07-16 2010-12-22 张家港市华杨金属制品有限公司 Aluminum alloy lock cylinder
CN102534443A (en) * 2010-12-14 2012-07-04 张家港市华杨金属制品有限公司 Production process for improving strength of aluminum profile
CN102534444A (en) * 2010-12-14 2012-07-04 张家港市华杨金属制品有限公司 Production process capable of improving toughness of aluminum profile

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Address after: 226500 No. 28, Taoli Road, Xiayuan Town, Rugao City, Nantong City, Jiangsu Province

Patentee after: Nantong Huayang aluminum products Co.,Ltd.

Address before: 226500 No.8 Huiren Road, Xiayuan Town, Rugao City, Nantong City, Jiangsu Province

Patentee before: RUGAO HUAYANG ALUMINUM PRODUCTS Co.,Ltd.

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