CN103233223A - Method for cladding TiC enhanced Ni3Al based composite coating on surface of aluminum alloy - Google Patents
Method for cladding TiC enhanced Ni3Al based composite coating on surface of aluminum alloy Download PDFInfo
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Abstract
The invention relates to a method for cladding TiC enhanced Ni3Al based composite coating on the surface of aluminum alloy. The method comprises the following steps of: (1) cleaning the surface of aluminum alloy matrix metal and removing greasy dirt and an oxidation layer; (2) uniformly mixing a Ni-based material with TiC powder to serve as a coating material, wherein the weight content of the Ni element of the Ni-based material is over 75 percent; (3) forming a molten bath on the surface of the aluminum alloy matrix metal by using laser beams in an argon protection device; and (4) conveying the coating material into the molten bath to form metallurgical bonding with the aluminum alloy matrix metal, and performing chemical exothermic reaction between Ni and Al to form the TiC enhanced Ni3Al based composite coating. The method has the characteristics of stable preparation process, basic avoidance of sputtering or burning loss, high production efficiency and the like. The prepared TiC enhanced Ni3Al based composite coating cladded on the surface of aluminum alloy has the advantages of good surface quality, uniform TiC distribution and diffusion, tiny crystal particles, metallurgical bonding with the matrix, high wear resistance and the like.
Description
Technical field
The invention belongs to high energy beam surface modification field, relate in particular to the method for aluminium alloy Laser Surface Treatment.
Background technology
Aluminium alloy is one of most widely used material in the non-ferrous metal, many premium propertiess such as aluminium alloy has that density is little, specific rigidity and specific tenacity height, easily processing, thermal conductivity height, specific conductivity height, obtained successful application in engine piston, optical precision instrument, motor car etc., for weight reduction, cut down the consumption of energy, raise the efficiency and strengthen maneuvering characteristics and all exhaust possibly with aluminium for copper, even Dai Gang.The consumption of western developed country aluminium alloy increases gradually in auto industry field.But aluminum alloy surface hardness is lower, frictional coefficient is high, wearing and tearing are big, high-temperature behavior is poor, and this greatly reduces the range of application of aluminium alloy.
Most of intermetallic compounds have metallic bond, its valence electron is different from and has a large amount of unbound electrons in the Metallic Solids, also being different from covalent compound is bound on the stable atomic orbital like that fully, and existing the free-moving electronics of part, its associative key is between covalent linkage and metallic bond.This structure makes intermetallic compound both keep some physicals that approaches with metallic substance, and on use propertieies such as fusing point, thermostability and chemical stability close to stupalith.Thereby on using, between the blank of metallic substance and stupalith use properties, make itself and metallic matrix have better matching, can improve its hardness, intensity etc. again.
Summary of the invention
To be solved by this invention is to adopt thermal treatment to improve the aluminium alloy wear resistance, or adopts general melting and coating technique to improve technical problems such as hardness, wear resistance is limited, provides a kind of aluminum alloy surface cladding TiC to strengthen Ni
3The method of Al base composite coating.
In order to address the above problem by the following technical solutions: a kind of aluminum alloy surface cladding TiC strengthens Ni
3The method of Al base composite coating may further comprise the steps:
(1) the alloy matrix aluminum metallic surface is cleaned, removed greasy dirt, zone of oxidation;
(2) Ni sill and TiC powder are evenly mixed as coated material; Wherein, in the Ni sill Ni element wt content more than 75%;
(3) in argon protective device, adopt laser beam that the alloy matrix aluminum metallic surface is formed the molten bath;
(4) coated material is sent into the molten bath and form with the alloy matrix aluminum metal metallurgy smelting and be combined, utilize exothermic chemical reaction between Ni and the Al, the reaction back forms TiC and strengthens Ni
3The Al base composite coating.
TiC content is at 8-20(wt in the described coated material) %.
Contain the B element in the described Ni sill.
Described laser processing technique parameter is laser spot diameter 4-8mm, power 1.2-2kW, beam flying speed 3-10mm/s.
Described alloy matrix aluminum metal is 7A06 ultralumin or 2A12 duralumin.
Described Ni sill closes powder for the Ni base.
Described Ni base is combined into Ni-Cr-B-Si base alloy, and the chemical ingredients Cr of Ni-Cr-B-Si is 7.5(wt) %, B is 2.5(wt) %, and Si is 4.0(wt) %, Ni is surplus.
Ni
3Al base alloy has good in oxidation resistance, and density is little, advantages such as higher room temperature work hardening rate and higher high temperature strength.Polycrystalline Ni
3Adding a spot of B among the Al can make temperature-room type plasticity increase substantially.
The present invention has mainly used after Al is molten into liquid state can chemical reaction take place with Ni, generates a large amount of heat, further melts Ni base alloy, be swift in response, and the heat conduction of Al alloy is fast, realizes cooling fast.Characteristics the such as therefore initial temperature of Al matrix heating is not high, and the crystal grain of coating is tiny, and wear resistance and thermal fatigue property are good.
It is stable that the present invention has preparation process, do not have substantially and splash or scaling loss, characteristics such as production efficiency height; Prepared aluminum alloy surface cladding TiC strengthens Ni
3The Al base composite coating has that surface quality is good, TiC distribution disperse is even, crystal grain is tiny, constitute advantages such as metallurgical binding, wear resistance are good with matrix.
Embodiment:
Embodiment 1: a kind of aluminum alloy surface cladding TiC strengthens Ni
3The method of Al base composite coating may further comprise the steps: (1) selects the 7A06 ultralumin as matrix, and its surface is cleaned, and puts into the suitable argon shield atmosphere container that is full of.
(2) evenly mix as coated material with Ni-Cr-B-Si base alloy and TiC powder; Wherein TiC content is 10(wt) %, the chemical ingredients Cr of Ni-Cr-B-Si is 7.5(wt) %, and B is 2.5(wt) %, Si is 4.0(wt) %, Ni is surplus.
(3) adopt laser beam that the alloy matrix aluminum metallic surface is formed the molten bath; The laser processing technique parameter is laser spot diameter 6mm, power 1.2kW, beam flying speed 8mm/s.
(4) coated material is sent into the molten bath and form and the matrix metal metallurgical binding, utilize exothermic chemical reaction between Ni and the Al, and the reaction back forms TiC and strengthens Ni
3The Al base composite coating.
Element to the sample interface after the cladding is analyzed, and Al, Ni, Cr, Si, B element present transition trend slowly in concentration at the interface, and this explanation nickel-base alloy forms chemical metallurgy and is combined between the Al matrix.In addition, TiC is basic evenly distributes wherein.
Embodiment 2: a kind of aluminum alloy surface cladding TiC strengthens Ni
3The method of Al base composite coating may further comprise the steps: (1) selects 2A12 duralumin is matrix, and its surface is cleaned, and puts into the suitable transparency protected atmosphere device of argon gas that is full of.
(2) evenly mix as coated material with Ni-Cr-B-Si base alloy and TiC powder; Wherein TiC content is 12(wt) %, the chemical ingredients Cr of Ni-Cr-B-Si is 7.5(wt) %, and B is 2.5(wt) %, Si is 4.0(wt) %, Ni is surplus.
(3) adopt laser beam that the alloy matrix aluminum metallic surface is formed the molten bath; The laser processing technique parameter is laser spot diameter 8mm, power 1.5kW, beam flying speed 10mm/s.
(4) coated material is sent into the molten bath and form and the matrix metal metallurgical binding, utilize exothermic chemical reaction between Ni and the Al, and the reaction back forms TiC and strengthens Ni
3The Al base composite coating.
Embodiment 3: a kind of aluminum alloy surface cladding TiC strengthens Ni
3The method of Al base composite coating may further comprise the steps: (1) is cleaned the alloy matrix aluminum metallic surface, removes greasy dirt, zone of oxidation; (2) Ni sill and TiC powder are evenly mixed as coated material; Wherein, Ni element wt content is more than 75% in the Ni sill, and TiC content is at 8-20(wt in the coated material) %; (3) in argon protective device, adopt laser beam that the alloy matrix aluminum metallic surface is formed the molten bath; (4) coated material is sent into the molten bath and form with the alloy matrix aluminum metal metallurgy smelting and be combined, utilize exothermic chemical reaction between Ni and the Al, the reaction back forms TiC and strengthens Ni
3The Al base composite coating.
Described laser processing technique parameter is laser spot diameter 4-8mm, power 1.2-2kW, beam flying speed 3-10mm/s.
Claims (7)
1. an aluminum alloy surface cladding TiC strengthens Ni
3The method of Al base composite coating is characterized in that may further comprise the steps:
(1) the alloy matrix aluminum metallic surface is cleaned, removed greasy dirt, zone of oxidation;
(2) Ni sill and TiC powder are evenly mixed as coated material; Wherein, in the Ni sill Ni element wt content more than 75%;
(3) in argon protective device, adopt laser beam that the alloy matrix aluminum metallic surface is formed the molten bath;
(4) coated material is sent into the molten bath and form with the alloy matrix aluminum metal metallurgy smelting and be combined, utilize exothermic chemical reaction between Ni and the Al, the reaction back forms TiC and strengthens Ni
3The Al base composite coating.
2. strengthen Ni according to the described aluminum alloy surface cladding of claim 1 TiC
3The method of Al base composite coating is characterized in that: TiC content is at 8-20(wt in the described coated material) %.
3. strengthen Ni according to the described aluminum alloy surface cladding of claim 1 TiC
3The method of Al base composite coating is characterized in that: contain the B element in the described Ni sill.
4. aluminum alloy surface cladding TiC according to claim 1 strengthens Ni
3The method of Al base composite coating is characterized in that: described laser processing technique parameter is laser spot diameter 4-8mm, power 1.2-2kW, beam flying speed 3-10mm/s.
5. aluminum alloy surface cladding TiC according to claim 1 strengthens Ni
3The method of Al base composite coating is characterized in that: described alloy matrix aluminum metal is 7A06 ultralumin or 2A12 duralumin.
6. strengthen Ni according to claim 1 or 3 described aluminum alloy surface cladding TiC
3The method of Al base composite coating is characterized in that: described Ni sill closes powder for the Ni base.
7. aluminum alloy surface cladding TiC according to claim 6 strengthens Ni
3The method of Al base composite coating is characterized in that: described Ni base is combined into Ni-Cr-B-Si base alloy, and the chemical ingredients Cr of Ni-Cr-B-Si is 7.5(wt) %, B is 2.5(wt) %, and Si is 4.0(wt) %, Ni is surplus.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401146A (en) * | 2014-09-05 | 2016-03-16 | 通用汽车环球科技运作有限责任公司 | Laser cladding alloy for aluminum injection molds |
| CN106756715A (en) * | 2016-12-08 | 2017-05-31 | 钦州太平电子科技有限公司 | A kind of preparation method of aluminum alloy corrosion resistant coating |
| CN106929709A (en) * | 2017-03-22 | 2017-07-07 | 武汉理工大学 | A kind of lf deposits Ni3Al based self-lubricating materials and preparation method |
| CN108611635A (en) * | 2018-06-15 | 2018-10-02 | 山东大学 | A kind of industrial pure copper base Alloy Coating On 45 laser alloying coating and preparation method thereof |
| CN111621780A (en) * | 2020-05-28 | 2020-09-04 | 成都航空职业技术学院 | Method for preparing Al-Cr composite coating by laser cladding |
| CN112323059A (en) * | 2020-08-31 | 2021-02-05 | 江苏理工学院 | Preparation method of surface strengthening coating of aluminum alloy substrate |
| CN113061796A (en) * | 2021-02-07 | 2021-07-02 | 山东大学 | Iron-based ceramic composite material and coating on surface of aluminum alloy and preparation method of iron-based ceramic composite material and coating |
| CN113529073A (en) * | 2021-07-26 | 2021-10-22 | 中北大学 | Preparation method of high-performance cladding coating on aluminum alloy surface |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634715A (en) * | 2012-04-17 | 2012-08-15 | 武汉理工大学 | Ni3Al intermetallic-based solid self-lubricating composite material and preparation method thereof |
-
2013
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634715A (en) * | 2012-04-17 | 2012-08-15 | 武汉理工大学 | Ni3Al intermetallic-based solid self-lubricating composite material and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 张松等: "铝合金表面激光熔覆NiCrBSi的空泡腐蚀性能", 《稀有金属材料与工程》, vol. 31, no. 2, 30 April 2002 (2002-04-30) * |
| 渠通洋等: "激光熔覆TiC/Ni-Al基复合涂层的高温稳定性研究", 《稀有金属与硬质合金》, vol. 36, no. 1, 31 March 2008 (2008-03-31) * |
| 符跃春等: "AA6063铝合金表面激光熔覆TiC/Al3Ti复合材料涂层", 《金属热处理》, vol. 34, no. 12, 31 December 2009 (2009-12-31) * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401146A (en) * | 2014-09-05 | 2016-03-16 | 通用汽车环球科技运作有限责任公司 | Laser cladding alloy for aluminum injection molds |
| CN106756715A (en) * | 2016-12-08 | 2017-05-31 | 钦州太平电子科技有限公司 | A kind of preparation method of aluminum alloy corrosion resistant coating |
| CN106929709A (en) * | 2017-03-22 | 2017-07-07 | 武汉理工大学 | A kind of lf deposits Ni3Al based self-lubricating materials and preparation method |
| CN106929709B (en) * | 2017-03-22 | 2019-10-01 | 武汉理工大学 | A kind of laser melting deposition Ni3Al based self-lubricating material and preparation method |
| CN108611635A (en) * | 2018-06-15 | 2018-10-02 | 山东大学 | A kind of industrial pure copper base Alloy Coating On 45 laser alloying coating and preparation method thereof |
| CN108611635B (en) * | 2018-06-15 | 2019-07-23 | 山东大学 | A kind of industrial pure copper base Alloy Coating On 45 laser alloying coating and preparation method thereof |
| CN111621780A (en) * | 2020-05-28 | 2020-09-04 | 成都航空职业技术学院 | Method for preparing Al-Cr composite coating by laser cladding |
| CN112323059A (en) * | 2020-08-31 | 2021-02-05 | 江苏理工学院 | Preparation method of surface strengthening coating of aluminum alloy substrate |
| CN113061796A (en) * | 2021-02-07 | 2021-07-02 | 山东大学 | Iron-based ceramic composite material and coating on surface of aluminum alloy and preparation method of iron-based ceramic composite material and coating |
| CN113061796B (en) * | 2021-02-07 | 2022-07-01 | 山东大学 | Iron-based ceramic composite material on surface of aluminum alloy, coating and preparation method of iron-based ceramic composite material |
| CN113529073A (en) * | 2021-07-26 | 2021-10-22 | 中北大学 | Preparation method of high-performance cladding coating on aluminum alloy surface |
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