CN105401020A - Medium-strength anti-corrosion aluminium alloy powder - Google Patents
Medium-strength anti-corrosion aluminium alloy powder Download PDFInfo
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- CN105401020A CN105401020A CN201510896199.5A CN201510896199A CN105401020A CN 105401020 A CN105401020 A CN 105401020A CN 201510896199 A CN201510896199 A CN 201510896199A CN 105401020 A CN105401020 A CN 105401020A
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- alloy powder
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- 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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
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Abstract
The invention discloses medium-strength anti-corrosion aluminium alloy powder, which comprises element constituents and contents according to mass percent: 9.5-14.5 wt% of Mg, 2.0-4.0 wt% of Mn, 0.20-0.60 wt% of Zn, 0.40-0.80 wt% of Si, 0.10-0.50 wt% of Sn, 0.20-0.50 wt% of Ti, 0.10-0.50 wt% of Zr, 0.10-0.5 0wt% of Yb, 0.10-0.20 wt% of Fe, 0.05-0.20 wt% of Ta, smaller than or equal to 0.05 wt% of Ni, and the balance Al, and the grain diameter of the aluminium alloy powder is 5-50 micrometers. The medium-strength anti-corrosion aluminium alloy powder is spherical, the grain diameter of the aluminium alloy powder is small, and the variety of the element constituents in aluminium alloy is small, so that the medium-strength anti-corrosion aluminium alloy powder is very suitable for powder metallurgy of aero medium-strength aluminium alloy parts or 3D printing technology forming; and the obtained aluminium alloy parts are excellent in mechanical property and good in corrosion resistance, and can replace titanium alloy used in part of aircrafts.
Description
Technical field
The present invention relates to Al alloy powder, strength corrosion resistant Al alloy powder in especially a kind of aviation aircraft use.
Background technology
Because aluminium alloy has, density is low (is only 2.7g/cm
3, being 60% of titanium alloy density, is 35% of iron and steel density), the advantage such as specific tenacity is high, specific rigidity is high, corrosion-resistant, tooling cost is low, renewable recovery, aviation aircraft is widely used.At present, the aluminum alloy materials of various model has obtained and has applied widely, as the component such as bulkhead, covering, upper beam string bar, stringer have employed 2xxx system and 7xxx line aluminium alloy section bar, sheet material etc. on civilian or military aircraft.
Along with the Service Environment of aircraft is increasingly sophisticated, as the military aircraft applied under height corrosion ocean environment, the requirement of material is not limited only to the mechanical performance indexs such as its static strength, also its corrosive nature is had higher requirement, and these solidity to corrosions require that the higher many titanium alloys by material cost and complete processing complexity of component are standby.Simultaneously, the powder metallurgy formation of metal and 3D printing-forming method have that near-net-shape, amount of machining are little, structure and properties is even, material use efficiency high, are the preferred preparation working methods of high-performance, high quality, complicated shape, short run aviation aircraft component.Patent of invention " a kind of aerospace high-strength high anti-stress-corrosion aluminium alloy and preparation method thereof " as CN104862556A discloses a kind of high-strength anticorrosion stress-resistant aluminium alloy of Al-Zn-Mg-Cu system, although this patent obtains high alloy strength and good corrosion resistance nature, but weak point is the use of the expensive elements such as In, and preparation technology is complicated founding and thermal treatment process, cannot meet the powder metallurgy of near-net-shape and the requirement of 3D printing-forming technique.
Summary of the invention
The object of this invention is to provide a kind of aviation aircraft with in strength corrosion resistant Al alloy powder, Al alloy powder be required to be spherical, powder footpath is little, kind is less in al alloy component element.
For achieving the above object, the present invention is achieved by the following technical solutions:
Strength corrosion resistant Al alloy powder in one, in Al alloy powder, the component of element and content are: Mg9.5 ~ 14.5wt.%, Mn2.0 ~ 4.0wt.%, Zn0.20 ~ 0.60wt.%, Si0.40 ~ 0.80wt.%, Sn0.10 ~ 0.50wt.%, Ti0.20 ~ 0.50wt.%, Zr0.10 ~ 0.50wt.%, Yb0.10 ~ 0.50wt.%, Fe0.10 ~ 0.20wt.%, Ta0.05 ~ 0.20wt.%, Ni≤0.05wt.%, surplus is Al.
Middle strength corrosion resistant Al alloy powder the first preferred version, its particle diameter is 5 ~ 50 μm.
With immediate prior art ratio, aviation aircraft load-carrying member ultra-high-strength aluminum alloy powder provided by the invention has the following advantages: Al alloy powder be spherical, powder footpath is little, kind is less in al alloy component element, the powder metallurgy or the 3D that are applicable to very much aviation strength aluminium alloy component print process forming, the aluminum alloy spare part excellent in mechanical performance, the good corrosion resistance that obtain, the titanium alloy that can use in Substitute For Partial aviation aircraft.
Embodiment
Below in conjunction with embodiment, be clearly and completely described technical scheme of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1:
A kind of aviation aircraft with in strength corrosion resistant Al alloy powder, in Al alloy powder, the component of element and content are: Mg9.5wt.%, Mn4.0wt.%, Zn0.51wt.%, Si0.80wt.%, Sn0.23wt.%, Ti0.50wt.%, Zr0.42wt.%, Yb0.50wt.%, Fe0.10wt.%, Ta0.11wt.%, Ni0.05wt.%, surplus is Al, and the particle diameter of Al alloy powder is 50 μm.
Use above-mentioned Al alloy powder and utilize the hot isostatic pressing of powder metallurgy, sintering process manufactured wing stringers parts, cut tension specimen from parts, the mechanical property determining sample according to GB/T228-2010 standard is at ambient temperature: tensile strength 454MPa, yield strength 402MPa, unit elongation 8.1%.Degrade grade by ASTM34-79 standard test, solution system is NaCl+KNO
3+ HNO
3, test temperature is 25 DEG C, and etching time is 120h, and through judging, the corrosion class of beam parts is: N level.
Embodiment 2:
A kind of aviation aircraft with in strength corrosion resistant Al alloy powder, in Al alloy powder, the component of element and content are: Mg14.5wt.%, Mn3.2wt.%, Zn0.60wt.%, Si0.68wt.%, Sn0.50wt.%, Ti0.32wt.%, Zr0.50wt.%, Yb0.29wt.%, Fe0.14wt.%, Ta0.20wt.%, Ni0.04wt.%, surplus is Al, and the particle diameter of Al alloy powder is 5 μm.
Use above-mentioned Al alloy powder and utilize the hot isostatic pressing of powder metallurgy, sintering process manufactured wing stringers parts, cut tension specimen from parts, the mechanical property determining sample according to GB/T228-2010 standard is at ambient temperature: tensile strength 512MPa, yield strength 438MPa, unit elongation 11.7%.Degrade grade by ASTM34-79 standard test, solution system is NaCl+KNO
3+ HNO
3, test temperature is 25 DEG C, and etching time is 120h, and through judging, the corrosion class of beam parts is: N level.
Embodiment 3:
A kind of aviation aircraft with in strength corrosion resistant Al alloy powder, in Al alloy powder, the component of element and content are: Mg11.2wt.%, Mn2.0wt.%, Zn0.37wt.%, Si0.40wt.%, Sn0.10wt.%, Ti0.28wt.%, Zr0.23wt.%, Yb0.19wt.%, Fe0.20wt.%, Ta0.17wt.%, Ni0.02wt.%, surplus is Al, and the particle diameter of Al alloy powder is 25 μm.
Use above-mentioned Al alloy powder and utilize the hot isostatic pressing of powder metallurgy, sintering process manufactured wing stringers parts, cut tension specimen from parts, the mechanical property determining sample according to GB/T228-2010 standard is at ambient temperature: tensile strength 477MPa, yield strength 4118MPa, unit elongation 9.3%.Degrade grade by ASTM34-79 standard test, solution system is NaCl+KNO
3+ HNO
3, test temperature is 25 DEG C, and etching time is 120h, and through judging, the corrosion class of beam parts is: N level.
Embodiment 4:
A kind of aviation aircraft with in strength corrosion resistant Al alloy powder, in Al alloy powder, the component of element and content are: Mg12.8wt.%, Mn2.8wt.%, Zn0.20wt.%, Si0.54wt.%, Sn0.34wt.%, Ti0.20wt.%, Zr0.10wt.%, Yb0.10wt.%, Fe0.18wt.%, Ta0.05wt.%, Ni0.03wt.%, surplus is Al, and the particle diameter of Al alloy powder is 35 μm.
Use above-mentioned Al alloy powder and utilize selective laser sintering (SLS) manufacture technics wing stringers parts, cut tension specimen from parts, the mechanical property determining sample according to GB/T228-2010 standard is at ambient temperature: tensile strength 491MPa, yield strength 422MPa, unit elongation 9.7%.Degrade grade by ASTM34-79 standard test, solution system is NaCl+KNO
3+ HNO
3, test temperature is 25 DEG C, and etching time is 120h, and through judging, the corrosion class of beam parts is: N level.
Above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; those of ordinary skill in the field are to be understood that; can modify to the specific embodiment of the present invention with reference to above-described embodiment or equivalent to replace, these do not depart from any amendment of spirit and scope of the invention or equivalently to replace within the claims that all awaits the reply in application.
Claims (2)
1. strength corrosion resistant Al alloy powder in a kind, it is characterized in that, by mass percentage, in described Al alloy powder, the component of element and content are: Mg:9.5 ~ 14.5wt.%, Mn:2.0 ~ 4.0wt.%, Zn:0.20 ~ 0.60wt.%, Si:0.40 ~ 0.80wt.%, Sn:0.10 ~ 0.50wt.%, Ti:0.20 ~ 0.50wt.%, Zr:0.10 ~ 0.50wt.%, Yb:0.10 ~ 0.50wt.%, Fe:0.10 ~ 0.20wt.%, Ta:0.05 ~ 0.20wt.%, Ni≤0.05wt.%, surplus is Al.
2. middle strength corrosion resistant Al alloy powder according to claim 1, is characterized in that, the particle diameter of described Al alloy powder is 5 ~ 50 μm.
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| CN201510896199.5A CN105401020B (en) | 2015-12-08 | 2015-12-08 | A kind of middle strength corrosion resistant Al alloy powder |
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| CN201510896199.5A CN105401020B (en) | 2015-12-08 | 2015-12-08 | A kind of middle strength corrosion resistant Al alloy powder |
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| CN105401020B CN105401020B (en) | 2017-12-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109844150A (en) * | 2016-07-05 | 2019-06-04 | 纳诺尔有限责任公司 | Band and powder from high-strength corrosion-resisting aluminium alloy |
| US11603583B2 (en) | 2016-07-05 | 2023-03-14 | NanoAL LLC | Ribbons and powders from high strength corrosion resistant aluminum alloys |
| CN117245084A (en) * | 2023-11-20 | 2023-12-19 | 中航迈特增材科技(北京)有限公司 | High-strength temperature-resistant aluminum alloy powder for 3D printing and preparation method and application thereof |
Citations (5)
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|---|---|---|---|---|
| CN101445879A (en) * | 2009-01-13 | 2009-06-03 | 周岳建 | Method for producing water meter casing by using corrosion-resisting aluminum casting alloy and products thereof |
| CN102080174A (en) * | 2010-12-17 | 2011-06-01 | 东北轻合金有限责任公司 | Production method of high Mg-Al alloy plate |
| CN103045913A (en) * | 2012-11-09 | 2013-04-17 | 安徽欣意电缆有限公司 | Al-Fe-Ir-RE aluminum alloy, preparation method thereof and power cable |
| CN104080934A (en) * | 2011-11-02 | 2014-10-01 | 株式会社Uacj | Aluminum alloy clad material for molding |
| CN104694800A (en) * | 2015-03-17 | 2015-06-10 | 中南大学 | High-strength light Al-Mg-Zn alloy |
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2015
- 2015-12-08 CN CN201510896199.5A patent/CN105401020B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445879A (en) * | 2009-01-13 | 2009-06-03 | 周岳建 | Method for producing water meter casing by using corrosion-resisting aluminum casting alloy and products thereof |
| CN102080174A (en) * | 2010-12-17 | 2011-06-01 | 东北轻合金有限责任公司 | Production method of high Mg-Al alloy plate |
| CN104080934A (en) * | 2011-11-02 | 2014-10-01 | 株式会社Uacj | Aluminum alloy clad material for molding |
| CN103045913A (en) * | 2012-11-09 | 2013-04-17 | 安徽欣意电缆有限公司 | Al-Fe-Ir-RE aluminum alloy, preparation method thereof and power cable |
| CN104694800A (en) * | 2015-03-17 | 2015-06-10 | 中南大学 | High-strength light Al-Mg-Zn alloy |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109844150A (en) * | 2016-07-05 | 2019-06-04 | 纳诺尔有限责任公司 | Band and powder from high-strength corrosion-resisting aluminium alloy |
| US11603583B2 (en) | 2016-07-05 | 2023-03-14 | NanoAL LLC | Ribbons and powders from high strength corrosion resistant aluminum alloys |
| CN117245084A (en) * | 2023-11-20 | 2023-12-19 | 中航迈特增材科技(北京)有限公司 | High-strength temperature-resistant aluminum alloy powder for 3D printing and preparation method and application thereof |
| CN117245084B (en) * | 2023-11-20 | 2024-01-16 | 中航迈特增材科技(北京)有限公司 | High-strength temperature-resistant aluminum alloy powder for 3D printing and preparation method and application thereof |
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| CN105401020B (en) | 2017-12-26 |
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Address after: 101399 Beijing Shunyi District Beishigao Town Government East 300 meters Patentee after: BEIJING BAOHANG NEW MATERIAL CO.,LTD. Address before: 101399 Beijing Shunyi District Beishigao Town Government East 300 meters Patentee before: AIRUIFUSITE (BEIJING) TECHNOLOGY DEVELOPMENT CO.,LTD. |
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Effective date of registration: 20181227 Address after: Room 601, Venture Building No. 18, High-tech Second Road, Nanchang High-tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: JIANGXI BAOHANG NEW MATERIAL Co.,Ltd. Address before: 101399 Beijing Shunyi District Beishigao Town Government East 300 meters Patentee before: BEIJING BAOHANG NEW MATERIAL CO.,LTD. |