CN103667798A - Special nickel-based metal ceramic alloy powder for continuous-wave optical fiber laser fusion covering - Google Patents
Special nickel-based metal ceramic alloy powder for continuous-wave optical fiber laser fusion covering Download PDFInfo
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- CN103667798A CN103667798A CN201310589433.0A CN201310589433A CN103667798A CN 103667798 A CN103667798 A CN 103667798A CN 201310589433 A CN201310589433 A CN 201310589433A CN 103667798 A CN103667798 A CN 103667798A
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Abstract
The invention discloses special nickel-based metal ceramic alloy powder for continuous-wave optical fiber laser fusion covering. The powder comprises the following components by weight percentage: 13-19% of aluminum oxide, 11-16% of titanium oxide, 3-9% of cerium oxide, 2-5% of vanadium, 13-17% of chromium, 1-3% of boron, and the balance of nickel base. In a continuous-wave optical fiber laser fusion covering process, the nickel-based metal ceramic alloy powder can greatly increase an absorption rate of a metal piece to laser, and can reduce a fusion point, and a fusion covering layer which is compact in internal tissue structure and free from defects such as cracks, shrinkage holes and bubbles can be formed on the surface of the powder; the service life of the metal piece is prolonged greatly; and the production cost is lowered.
Description
Technical field
The invention discloses cermet powder, particularly a kind of nickel based metal ceramal powder that is exclusively used in the cladding of continuous wave optical-fiber laser.
Background technology
Laser has high brightness, high directivity, high monochromaticity, high coherency's feature, just by increasing field, is used now, and wherein laser melting coating is exactly a kind of in process for treating surface.That summarizes says, the principle of laser melting coating utilizes high energy laser beam to expose to metal material surface exactly, substrate surface is melted rapidly, liquid metal forms a small-scale molten bath, fill in new powdered material simultaneously, in this molten bath, metallic substance originally mixes mutually with the powder being added, and forms the new liquid-metal layer of one deck.After treating laser beam scanning, liquid-metal layer is the cooling solid-state cladding layer of one deck that forms in metallic surface thus rapidly.
Yet, on domestic market, almost there is no the metal-powder of continuous wave optical-fiber laser cladding special use, common used powdered alloy is mostly thermospray self-fluxing alloy powder used.Due to differences such as the heat transfer type of two kinds of technology, processing condition, thermospray self-fluxing alloy powder used is directly used in after the cladding of continuous wave optical-fiber laser, and laser absorption rate is lower, generally in 30-40% left and right.Easily there is the defects such as crackle, shrinkage porosite, shrinkage cavity, pore in cladding layer, and the hardness of cladding layer, intensity etc. often can not reach explained hereafter requirement.For example in most self-fluxing alloy powders, the content of boron and silicon is higher, make some in laser cladding process be mingled with as borosilicate cannot be smoothly from emersion in the molten bath of rapid solidification, cause laser cladding layer cracking sensitivity large, when laser cladding layer hardness is high, cracking phenomena is particularly evident.Therefore, develop a kind of cermet powder that is specifically designed to the cladding of continuous wave optical-fiber laser very urgent.
Summary of the invention
Technical problem to be solved by this invention is: the invention provides a kind of nickel based metal ceramal powder that is exclusively used in the cladding of continuous wave optical-fiber laser, this nickel based metal ceramal powder is in the process of continuous wave optical-fiber laser cladding, not only can greatly improve metalwork to the specific absorption of laser, reduction fusing point, and it is fine and close to form one deck internal organizational structure on its surface, the defect cladding layers such as flawless, shrinkage cavity, bubble, in the work-ing life of the metalwork greatly increasing, reduced production cost.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of nickel based metal ceramal powder that is exclusively used in the cladding of continuous wave optical-fiber laser, by weight percentage, comprise 13-19% aluminium sesquioxide, 11-16% titanium dioxide, 3-9% cerium oxide, 2-5% vanadium, 13-17% chromium, 1-3% boron, surplus is Ni-based.
Above-mentioned nickel based metal ceramal powder comprises 16% aluminium sesquioxide, 14% titanium dioxide, and 6% cerium oxide, 3% vanadium, 15% chromium, 2% boron, surplus is Ni-based.
A kind of nickel based metal ceramal powder effect that is exclusively used in the cladding of continuous wave optical-fiber laser of the present invention is as follows:
Nickel (Ni) element: as cermet substrate, thorough melting during cladding, together forms laser molten pool with the base material of molten state is uniformly distributed after coagulation for other elements or compound and becomes cladding layer, to increase cladding layer hardness in molten bath.
Aluminium sesquioxide (Al
2o
3): belong to metal ceramic powder, as strengthening particulate, be present in cladding layer, can greatly improve cladding layer hardness and intensity, can reduce the susceptibility of cladding layer cracking.
Titanium dioxide (TiO
2): be conducive to improve the specific absorption of nickel based metal powdered alloy of the present invention to laser, thereby can reduce the power stage of laser apparatus, improve the utilization ratio of the energy.
Cerium oxide (Ce0
2): can improve the specific absorption of metal alloy powders to laser, increase the utilization ratio of the energy.
Vanadium (V): there is refined crystalline strengthening effect, can improve the hardening capacity of resistance to tempering and material, also can form carbide with carbon.
Chromium (Cr): there is stronger solution strengthening ability, improve the intensity of cladding layer, can increase the quenching degree of steel and the deformability after quenching, the hardening capacity of raising, and make cladding layer there is good erosion resistance, wear resistance, hardness, elasticity, coercive force and anti-brute force.
Boron (B): there is grain-boundary strengthening effect, can improve the hardness of cladding layer, intensity,
Can improve the hardening capacity of steel, the normalizing state tissue that impels steel by perlite to bainite transformation.This boron also can reduce fusing point in addition.
The invention has the beneficial effects as follows:
1. nickel based metal ceramal powder of the present invention, in the cladding of continuous wave optical-fiber laser, nickel-base alloy powder foot couple laser has higher specific absorption, has improved the utilization ratio of the energy, has saved production cost;
2. by nickel based metal ceramal powder of the present invention, form cladding layer dense internal organization, the defects such as flawless, shrinkage porosite, pore, and there is the performances such as high rigidity, intensity, toughness and high corrosion resistance.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail.
Embodiment 1
By 13% aluminium sesquioxide, 11% titanium dioxide, 3% cerium oxide, 2% vanadium, 13% chromium, 1% boron, surplus is Ni-based, and it is fully mixed, and obtains the 100-200 object nickel based metal ceramal powder of 500g.
Embodiment 2
1 by 9% aluminium sesquioxide, 16% titanium dioxide, and 9% cerium oxide, 5% vanadium, 17% chromium, 3% boron, surplus is Ni-based, and it is fully mixed, and obtains the 100-200 object nickel based metal ceramal powder of 500g.
Embodiment 3
By 16% aluminium sesquioxide, 14% titanium dioxide, 6% cerium oxide, 3% vanadium, 15% chromium, 2% boron, surplus is Ni-based, obtains the 100-200 object nickel based metal ceramal powder of 500g.
Embodiment 4
Get 500g, globule size is 100-200 object ordinary metallic alloys powder.
Use optical fiber laser, adopt the mode of coaxial powder-feeding, the metal alloy powders mixing in embodiment 1, embodiment 2 and embodiment 3 is carried out respectively to laser melting coating on metalwork surface, powder injection hole by laser melting coating head evenly sprays, adopt continuous wave optical-fiber laser, optical maser wavelength is 1.06um, and output rating is 3600W, travelling speed is 3m/min, and single track width is 1.8mm.Through laser melting coating, metalwork is carried out to mechanical detection obtain following data: (distance in following table is that to take the lowest surface of cladding layer be base plane, and base plane is above for just, and base plane is below for bearing).Base material hardness value is 42HRC, thermotolerance (the ratio 55-60% of test mechanical performance and normal temperature state 600 ℃ time.
Claims (2)
1. a nickel based metal ceramal powder that is exclusively used in the cladding of continuous wave optical-fiber laser, by weight percentage, comprises 13-19% aluminium sesquioxide, 11-16% titanium dioxide, and 3-9% cerium oxide, 2-5% vanadium, 13-17% chromium, 1-3% boron, surplus is Ni-based.
2. a kind of nickel based metal ceramal powder that is exclusively used in the cladding of continuous wave optical-fiber laser according to claim 1, is characterized in that: described nickel based metal ceramal powder comprises 16% aluminium sesquioxide, 14% titanium dioxide, 6% cerium oxide, 3% vanadium, 15% chromium, 2% boron, surplus is Ni-based.
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| CN201310589433.0A CN103667798B (en) | 2013-11-20 | 2013-11-20 | A kind of nickel based metal ceramal powder being exclusively used in the cladding of continuous wave optical-fiber laser |
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| CN201310589433.0A CN103667798B (en) | 2013-11-20 | 2013-11-20 | A kind of nickel based metal ceramal powder being exclusively used in the cladding of continuous wave optical-fiber laser |
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| CN103667798A true CN103667798A (en) | 2014-03-26 |
| CN103667798B CN103667798B (en) | 2015-09-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399968A (en) * | 2014-11-10 | 2015-03-11 | 中国矿业大学 | Cobalt-base metal alloy powder for continuous optical fiber laser surface alloying |
| CN107984115A (en) * | 2017-11-08 | 2018-05-04 | 蚌埠市华鼎机械科技有限公司 | A kind of method of laser welding processing lead-acid accumulator |
| CN114959694A (en) * | 2022-06-27 | 2022-08-30 | 中南大学湘雅医院 | Stomach wall cutting machinery hand |
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| CN1542166A (en) * | 2003-11-07 | 2004-11-03 | 上海工程技术大学 | Method for crack resistant treatment of laser cladded nano-ceramic coating |
| CN103014474A (en) * | 2012-12-18 | 2013-04-03 | 江苏新亚特钢锻造有限公司 | Oxide particle reinforced laser cladding nickel-base alloy powder and preparation method thereof |
| CN103302285A (en) * | 2013-06-18 | 2013-09-18 | 江苏和昊激光科技有限公司 | Nickel-based metal ceramic alloy powder exclusively used in laser cladding of surface of punch |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1542166A (en) * | 2003-11-07 | 2004-11-03 | 上海工程技术大学 | Method for crack resistant treatment of laser cladded nano-ceramic coating |
| CN103014474A (en) * | 2012-12-18 | 2013-04-03 | 江苏新亚特钢锻造有限公司 | Oxide particle reinforced laser cladding nickel-base alloy powder and preparation method thereof |
| CN103302285A (en) * | 2013-06-18 | 2013-09-18 | 江苏和昊激光科技有限公司 | Nickel-based metal ceramic alloy powder exclusively used in laser cladding of surface of punch |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399968A (en) * | 2014-11-10 | 2015-03-11 | 中国矿业大学 | Cobalt-base metal alloy powder for continuous optical fiber laser surface alloying |
| CN104399968B (en) * | 2014-11-10 | 2016-08-17 | 中国矿业大学 | A kind of cobalt-based metal alloy powder for continuous way optical-fiber laser surface alloying |
| CN107984115A (en) * | 2017-11-08 | 2018-05-04 | 蚌埠市华鼎机械科技有限公司 | A kind of method of laser welding processing lead-acid accumulator |
| CN114959694A (en) * | 2022-06-27 | 2022-08-30 | 中南大学湘雅医院 | Stomach wall cutting machinery hand |
| CN114959694B (en) * | 2022-06-27 | 2023-11-17 | 中南大学湘雅医院 | Abdominal wall cutting manipulator |
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| CN103667798B (en) | 2015-09-23 |
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Effective date of registration: 20160601 Address after: Wujin District of Jiangsu city in Changzhou province 213161 Chang Wu Road No. 801, Changzhou science and Technology City Tianhong building A block 8 Building Patentee after: Changzhou Tengen Industry Development Co., Ltd. Address before: 215336, Jiangsu, Zhangjiagang province Daxin Town, Daxin village, Zhangjiagang city and Suzhou Hao Laser Technology Co., Ltd. Patentee before: Liu Anmin |
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Address after: Wujin District of Jiangsu city in Changzhou province 213161 Chang Wu Road No. 801, Changzhou science and Technology City Tianhong building A block 8 Building Patentee after: Changzhou Tianzheng industrial development Limited by Share Ltd Address before: Changzhou city Wujin District Chang Wu Road No. 801, Changzhou science and Technology City Tianhong building A block 8 Building Patentee before: Changzhou Tengen Industry Development Co., Ltd. |