CN106825603A - A kind of aluminium coats the preparation method of titanium composite alloy powder - Google Patents

A kind of aluminium coats the preparation method of titanium composite alloy powder Download PDF

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Publication number
CN106825603A
CN106825603A CN201611266290.XA CN201611266290A CN106825603A CN 106825603 A CN106825603 A CN 106825603A CN 201611266290 A CN201611266290 A CN 201611266290A CN 106825603 A CN106825603 A CN 106825603A
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China
Prior art keywords
mixed liquor
aluminium
alloy powder
titanium
titanium composite
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Application number
CN201611266290.XA
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Chinese (zh)
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CN106825603B (en
Inventor
张建勋
魏鑫
候晓翠
张龙
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Qingdao Apulse Intellectual Property Management Co Ltd
QINGDAO R & D INSTITUTE XI'AN JIAOTONG UNIVERSITY
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Qingdao Apulse Intellectual Property Management Co Ltd
QINGDAO R & D INSTITUTE XI'AN JIAOTONG UNIVERSITY
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Priority to CN201611266290.XA priority Critical patent/CN106825603B/en
Publication of CN106825603A publication Critical patent/CN106825603A/en
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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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • 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
    • B22F1/17—Metallic particles coated with metal

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

The invention discloses the preparation method that a kind of aluminium coats titanium composite alloy powder, including selecting suitable titanium salt, reduced twice after adding surface active composition and regulation PH, the suspension comprising Ti powder is obtained, while adding aluminium salt, is reduced, obtain aluminium cladding titanium composite alloy powder, the present invention improves the antioxygenic property of powder, maintains the excellent properties of alloy simultaneously, reduces processing temperature.

Description

A kind of aluminium coats the preparation method of titanium composite alloy powder
Technical field
The invention belongs to materials processing technology field, the preparation side of titanium composite alloy powder is coated more particularly, to a kind of aluminium Method.
Background technology
Titanium is the metal material of a kind of high intensity, light weight, and rich reserves, in Aero-Space, biological joint, All it is used widely in the fields such as dentistry, it is adaptable to the process technology such as powder metallurgy, 3D printing.The preparation technology of sized spherical titanium powder is Focus as domestic and international research and development.But titanium valve Jin rows powder metallurgy or 3D Da Yin Time, and usual Hui Yu Dao Difficult are with Chu Ask Questions are deposited, and Al easily generates a kind of thin layer passivating film in atmosphere, prevents further oxidation, while titanium aluminum binary system metal Between compound have density smaller, high specific strength, high specific stiffness, anti-corrosion, wear-resisting, resistant to elevated temperatures advantage, as the present age navigate One of the good candidates structural material in the fields such as empty aerospace industry, civilian industry, thus a kind of suitable commercial Application is worked out, together When again beneficial to storage, the strong alloy material of inoxidizability has very important significance.
The content of the invention
In order to solve the above technical problems, the invention provides the preparation method that aluminium coats titanium composite alloy powder.
The complete technical scheme of the present invention includes：
A kind of aluminium coats the preparation method of titanium composite alloy powder, it is characterised in that comprise the following steps：
1) selection concentration is the titanium salt solution of 0.1-0.13mol/L, adds cationic surfactant to obtain mixed liquor A, Cationic surfactant is that volume ratio is chlorination benzalkonium：C15Trimethylammonium bromide=1：3 mixture, is heated to 40- 60 DEG C and ultrasonic wave stirring 5-10min it is standby；
2) its PH is adjusted for 6-7 obtains mixed liquid B toward addition ammoniacal liquor in previous solu；
3) glucose that concentration is 0.08mol/L is added dropwise over, it is the 1/4-1/6 of mixed liquid B volume to add volume, is obtained Mixed liquor C, heating-up temperature reacts 10-15min to 80-100 DEG C under the conditions of ultrasonic agitation；
4) reacted mixed liquor C is spent the sediment after separation with the rotating speed centrifugation 10 minutes of 5000rpm Ion water washing 3-4 times, obtains the suspension D comprising Ti powder；
5) in the suspension D obtained by step 4 being rejoined into 8L deionized waters, polyvinylpyrrolidone (PVP) is added, Add cationic surfactant to obtain mixed liquor E again, be subsequently heated to 40-60 DEG C and ultrasonic wave stirring 15-20min；
6) it is the hydrazine hydrate of 0.12mol/L to add concentration, and it is the 1/4-1/6 of mixed liquor E volumes to add volume, is mixed Liquid F, is then heated to 120-160 DEG C under conditions of ultrasonic agitation is continued；
7) by the aluminum salt solution of 0.13mol/L and be added to step 6) mixed liquor F in, obtain mixed liquor G reaction 10- 20min,
8) sediment after separation is washed with deionized with the rotating speed centrifugation 10 minutes of 5000rpm for mixed liquor G 3-4 times, 30min slowly is dried at 100-120 DEG C, obtain aluminium cladding titanium composite alloy powder.
The titanium salt and aluminium salt are nitrate or chloride.
The present invention is relative to the advantage of prior art：Using chemical reduction method, titanium valve is prepared for out first, passed through after Cross redisperse, secondary reduction, preparing Surface coating has the titanium valve of aluminium, and in transport and storing process, aluminium surface easily generates antioxygen The passivation film of change, prevents further oxidation, and when 3D printing is carried out, it is possible to use the direct composite powder titanium-aluminium alloy enters Row processing, maintains the excellent properties of alloy, simultaneously because aluminium fusing point is relatively low, can first melt aluminium with relatively low laser power Element, subsequent aluminium element and titanium reaction generation titanium-aluminium alloy, reduce processing temperature.
Specific embodiment
With reference to specific embodiment, the present invention will be further described.
Embodiment 1：
A kind of aluminium coats the preparation method of titanium composite alloy powder, it is characterised in that comprise the following steps：
1) by the TiCl of 1.5mol410L deionized waters are dissolved in, TiCl is configured to4The aqueous solution, adds cationic surface to live Property agent obtain mixed liquor A, cationic surfactant is that volume ratio is chlorination benzalkonium：C15Trimethylammonium bromide=1：3 Mixture, is heated to 40-60 DEG C and ultrasonic wave stirring 5-10min is standby；
2) its PH is adjusted for 6-7 obtains mixed liquid B toward addition ammoniacal liquor in previous solu；
3) glucose that concentration is 0.08mol/L is added dropwise over, it is the 1/4-1/6 of mixed liquid B volume to add volume, is obtained Mixed liquor C, heating-up temperature reacts 10-15min to 80-100 DEG C under the conditions of ultrasonic agitation；
4) reacted mixed liquor C is spent the sediment after separation with the rotating speed centrifugation 10 minutes of 5000rpm Ion water washing 3-4 times, obtains the suspension D comprising Ti powder；
5) in the suspension D obtained by step 4 being rejoined into 8L deionized waters, the polyvinyl pyrrole that K values are 30 is added Alkanone (PVP), adds cationic surfactant to obtain mixed liquor E again, is subsequently heated to 40-60 DEG C and ultrasonic wave stirring 15-20min；
6) it is the hydrazine hydrate of 0.12mol/L to add concentration, and it is the 1/4-1/6 of mixed liquor E volumes to add volume, is mixed Liquid F, is then heated to 120-160 DEG C under conditions of ultrasonic agitation is continued；
7) by the AlCl of 0.3mol31.78L deionized waters are dissolved in, AlCl is configured to3The aqueous solution, and it is added to step 6) Mixed liquor F in react 10-20min obtain mixed liquor G,
8) sediment after separation is washed with deionized with the rotating speed centrifugation 10 minutes of 5000rpm for mixed liquor G 3-4 times, 30min slowly is dried at 100-120 DEG C, obtain aluminium cladding titanium composite alloy powder.
Embodiment 2：
Using the chloride in the nitrate substitution embodiment 1 of Ti and Al, while being replaced using anion surfactant Cationic surfactant, other technological parameters are same as Example 1.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions, every according to the present invention Any simple modification, change and equivalent structure change that technical spirit is made to above example, still fall within skill of the present invention In the protection domain of art scheme.

Claims (2)

1. a kind of aluminium coats the preparation method of titanium composite alloy powder, it is characterised in that comprise the following steps：
1) selection concentration is the titanium salt solution of 0.1-0.13mol/L, adds cationic surfactant to obtain mixed liquor A, sun from Sub- surfactant is that volume ratio is chlorination benzalkonium：C15Trimethylammonium bromide=1：3 mixture, is heated to 40-60 DEG C And ultrasonic wave stirring 5-10min is standby；
2) its PH is adjusted for 6-7 obtains mixed liquid B toward addition ammoniacal liquor in previous solu；
3) glucose that concentration is 0.08mol/L is added dropwise over, it is the 1/4-1/6 of mixed liquid B volume to add volume, is mixed Liquid C, heating-up temperature reacts 10-15min to 80-100 DEG C under the conditions of ultrasonic agitation；
4) by reacted mixed liquor C with the rotating speed centrifugation 10 minutes of 5000rpm, by the sediment deionization after separation Water washing 3-4 times, obtains the suspension D comprising Ti powder；
5) in the suspension D obtained by step 4 being rejoined into 8L deionized waters, polyvinylpyrrolidone (PVP) is added, again Add cationic surfactant to obtain mixed liquor E, be subsequently heated to 40-60 DEG C and ultrasonic wave stirring 15-20min；
6) it is the hydrazine hydrate of 0.12mol/L to add concentration, and it is the 1/4-1/6 of mixed liquor E volumes to add volume, obtains mixed liquor F, Then 120-160 DEG C is heated under conditions of ultrasonic agitation is continued；
7) by the aluminum salt solution of 0.13mol/L and be added to step 6) mixed liquor F in, obtain mixed liquor G reaction 10-20min,
8) sediment after separation is washed with deionized 3-4 by mixed liquor G with the rotating speed centrifugation 10 minutes of 5000rpm It is secondary, 30min slowly is dried at 100-120 DEG C, obtain aluminium cladding titanium composite alloy powder.
2. the method described in claim 2, it is characterised in that the titanium salt and aluminium salt are nitrate or chloride.
CN201611266290.XA 2016-12-31 2016-12-31 A kind of preparation method of aluminium cladding titanium composite alloy powder Expired - Fee Related CN106825603B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107020388A (en) * 2016-12-31 2017-08-08 西安交通大学青岛研究院 A kind of preparation method of 3D printing TiAl intermetallic compound powder
CN109759581A (en) * 2019-01-17 2019-05-17 深圳市众诚达应用材料科技有限公司 A kind of 3D printing dusty material and preparation method thereof and a kind of 3D printing product
CN110238389A (en) * 2019-07-30 2019-09-17 西北有色金属研究院 A kind of titanium or titanium alloy particle and preparation method thereof of surface cladding soft metal

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JPH08188804A (en) * 1994-12-28 1996-07-23 Dowa Mining Co Ltd Powdery silver and production thereof
JP2003089802A (en) * 2001-09-18 2003-03-28 National Institute For Materials Science Method for manufacturing mechanically alloyed powder
CN101041180A (en) * 2007-04-28 2007-09-26 北京有色金属研究总院 Nanometer Al contained Ni and the preparing method
CN101428345A (en) * 2007-11-09 2009-05-13 北京有色金属研究总院 Method of manufacturing ultrafine molybdenum powder or ultrafine tungsten powder surface clad metal copper
CN101516550A (en) * 2006-08-30 2009-08-26 尤米科尔股份公司及两合公司 Core/shell-type catalyst particles and methods for their preparation
CN102120259A (en) * 2011-01-28 2011-07-13 广州有色金属研究院 Preparation method of equimolar Ti/Ni coated composite powder with nuclear shell structure
CN102145386A (en) * 2011-05-06 2011-08-10 河南煤业化工集团研究院有限责任公司 Method for preparing metal with surface coated with nano nickel
CN102528026A (en) * 2012-02-24 2012-07-04 四川大学 Composite powder of nanometer silver-coated aluminum and preparation method thereof
CN103785822A (en) * 2012-10-26 2014-05-14 深圳市龙岗区华宇新材料研究中心 Micron-order composite material and preparation method thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08188804A (en) * 1994-12-28 1996-07-23 Dowa Mining Co Ltd Powdery silver and production thereof
JP2003089802A (en) * 2001-09-18 2003-03-28 National Institute For Materials Science Method for manufacturing mechanically alloyed powder
CN101516550A (en) * 2006-08-30 2009-08-26 尤米科尔股份公司及两合公司 Core/shell-type catalyst particles and methods for their preparation
CN101041180A (en) * 2007-04-28 2007-09-26 北京有色金属研究总院 Nanometer Al contained Ni and the preparing method
CN101428345A (en) * 2007-11-09 2009-05-13 北京有色金属研究总院 Method of manufacturing ultrafine molybdenum powder or ultrafine tungsten powder surface clad metal copper
CN102120259A (en) * 2011-01-28 2011-07-13 广州有色金属研究院 Preparation method of equimolar Ti/Ni coated composite powder with nuclear shell structure
CN102145386A (en) * 2011-05-06 2011-08-10 河南煤业化工集团研究院有限责任公司 Method for preparing metal with surface coated with nano nickel
CN102528026A (en) * 2012-02-24 2012-07-04 四川大学 Composite powder of nanometer silver-coated aluminum and preparation method thereof
CN103785822A (en) * 2012-10-26 2014-05-14 深圳市龙岗区华宇新材料研究中心 Micron-order composite material and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107020388A (en) * 2016-12-31 2017-08-08 西安交通大学青岛研究院 A kind of preparation method of 3D printing TiAl intermetallic compound powder
CN109759581A (en) * 2019-01-17 2019-05-17 深圳市众诚达应用材料科技有限公司 A kind of 3D printing dusty material and preparation method thereof and a kind of 3D printing product
CN110238389A (en) * 2019-07-30 2019-09-17 西北有色金属研究院 A kind of titanium or titanium alloy particle and preparation method thereof of surface cladding soft metal

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