CN1281784C - Composite plating layer containing carbon nano shallot ball shaped nanomaterial and its preparation method - Google Patents

Composite plating layer containing carbon nano shallot ball shaped nanomaterial and its preparation method Download PDF

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Publication number
CN1281784C
CN1281784C CN 200410018061 CN200410018061A CN1281784C CN 1281784 C CN1281784 C CN 1281784C CN 200410018061 CN200410018061 CN 200410018061 CN 200410018061 A CN200410018061 A CN 200410018061A CN 1281784 C CN1281784 C CN 1281784C
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plating layer
composite plating
ball shaped
carbon nano
preparation
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CN 200410018061
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CN1570206A (en
Inventor
陈卫祥
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The present invention discloses a nickel base composite plating layer containing carbon nano onion-shaped nanomaterial and a preparation method thereof. The composite plating layer is prepared by chemical composite plating, and chemical plating liquid contains 3 to 15 g/L of carbon nano onion-shaped nanomaterial. The composite plating layer of the present invention has high wear resistance and high antiattrition performance. Under the same test condition, the wearing capacity of the nickel base composite plating layer is 1/5 of that of a Ni-P plating layer and is 1/3 of that of a Ni-P-graphite composite plating layer, the frication coefficient is only from 0.03 to 0.04, and the friction coefficients of the Ni-P plating layer and the Ni-P-graphite composite plating layer are respectively from 0.10 to 0.12 and from 0.06 to 0.07. the preparation method of the nickel base composite plating layer containing carbon nano onion-shaped nanomaterial of the present invention is simple, and the nickel base composite plating layer can be plated on the surfaces of metal parts of steel and aluminum alloy.

Description

The composite deposite that contains carbon onion ball shaped nano material
Technical field
The present invention relates to the plating of metallic substance, especially carbon containing nanometer green onion ball shaped nano material nickel-base composite coat material
Background technology
The solid particulate that is contained in the existing various composite deposite mainly contains: silicon carbide, diamond, graphite, tungsten sulfide and moly-sulfide, but the composite deposite that contains these solid particulates at present is not very good at its wear resisting property, self-lubricating property, tribological property.
The graphite of laminate structure has obtained using widely as lubricant.In composite deposite, contain the tribological property that graphite particulate can improve coating.For example its frictional coefficient of Ni-P composite deposite that contains graphite with chemically composited coating technology preparation can be reduced to 0.06-0.07 from the 0.11-0.12 of Ni-P chemical plating, and wear rate also is reduced to original 50%.But the flaky graphite of existing this employing still is not very good as the improvement that packing material prepares its wear resisting property of chemical composite plating and antifriction performance.Carbon onion has spherical graphite layer structure nested and sealing, has good chemical stability and excellent tribological property.Existing technology can adopt the arc-over in water to prepare carbon onion, and concrete preparation process is existing detailed explanation in document [1] and document [2].Arc-over in water prepares the carbon onion nano material can carry out continuously.
[1]N.Sano,H.Wang,I.Alexandrou,et?al,Properties?of?carbon?onions?produced?byan?arc?discharge?in?water,J.Appl.Phys.,2002,92(5):2783-2788.
[2]N.Sano,H.Wang,M.Chhowalla,I.Alexandrou,G.A.J.Amaratunga,Synthesis?of?carbon?onions?in?water,Science,2001,29(414):506-507.
But the research about the chemical composite plating of and antifriction wear-resisting with the material preparation of carbon onion ball shaped nano yet there are no report up to now.
Summary of the invention
The purpose of this invention is to provide a kind of nickel-base composite coat that contains carbon onion ball shaped nano material, it not only has high-wear resistance, and has low frictional coefficient.
Technical scheme of the present invention is:
The nickel-base composite coat that contains carbon onion ball shaped nano material is to contain to have carbon onion ball shaped nano material in coating, and the size of nano material is in the 30-50 nanometer.
The preparation method who contains the nickel-base composite coat of carbon onion ball shaped nano material adopts chemically composited electroplating method, and the composition and the operational condition of chemically composited plating liquor are as follows:
Single nickel salt or nickelous chloride 10-35g/L
Inferior sodium phosphate or POTASSIUM BOROHYDRIDE 0.5-35g/L
Sodium wolframate 0-70g/L
Trisodium Citrate or quadrol 0-100g/L
Lactic acid 0-20mL/L
pH 4-14
Temperature 70-90 ℃
Diameter is the carbon onion ball shaped nano material 3-15g/L of 30-50nm
2-4 hour plating time
PH value with acetic acid or sodium-acetate or sodium hydroxide or ammonium sulfate adjustment solution.
Have following outstanding advantage with prior art comparison the present invention:
1) composite deposite that contains carbon onion ball shaped nano material of the present invention has high wear resisting property and good antifriction performance.Under equal test condition, its abrasion loss is 1/5 of a Ni-P coating, is Ni-P-graphite 1/3; Its frictional coefficient has only 0.03-0.04, and the frictional coefficient of Ni-P coating and Ni-P-graphite composite deposite is respectively 0.10-0.11 and 0.06-0.07.
2) to contain the method for composite deposite of carbon onion ball shaped nano material simple for the chemically composited electroplating method preparation used of the present invention, can be plated on iron and steel and Al-alloy metal piece surface, is suitable for suitability for industrialized production.
3) this above-mentioned composite deposite that contains carbon onion ball shaped nano material with high abrasion and antifriction performance; can prolong the work-ing life of metal parts; and reduction energy consumption; help environment protection, therefore have widely and use at industrial sectors such as automobile, machinery, chemical industry, aerospace.
Embodiment
Embodiment 1:
The Ni-P composite deposite that contains carbon onion ball shaped nano material with method plating on the 45# steel matrix of electroless plating.Its solution and coating method is as follows: single nickel salt 24g/L, inferior sodium phosphate 23g/L, lactic acid 5mL/L, sodium-acetate 12g/L, pH=5.5,90 ℃ of temperature, carbon onion 6g/L, 3 hours time.Frictional wear experiment is the result show: the abrasion loss that contains the Ni-P composite deposite of carbon onion be respectively Ni-P coating 1/5, Ni-P-graphite 1/2, its frictional coefficient is 0.029, and Ni-P and Ni-P-graphite frictional coefficient are 0.11 and 0.07.The Ni-P composite deposite that proof contains the carbon onion ball has high wear-resisting and antifriction performance.
Embodiment 2:
The Ni-W-P composite deposite that contains carbon onion ball shaped nano material with method plating on the 45# steel matrix of electroless plating.Its solution and coating method is as follows: single nickel salt 25g/L, sodium wolframate 65g/L, inferior sodium phosphate 22g/L, Trisodium Citrate 100g/L, lactic acid 6mL/L, ammonium sulfate 30g/L, pH=9.4,85 ℃ of temperature, carbon onion 5g/L, 2.5 hours time.The frictional wear experiment result shows that the abrasion loss of the Ni-W-P composite deposite that contains carbon onion is 1/3 of a Ni-W-P-graphite composite deposite, and its frictional coefficient is 0.036, and the frictional coefficient of general graphitiferous Ni-W-P composite deposite is 0.06-0.08.
Embodiment 3:
The Ni-B composite deposite that contains carbon onion ball shaped nano material with method plating on the 45# steel matrix of electroless plating.Its solution and coating method is as follows: nickelous chloride 30g/L, POTASSIUM BOROHYDRIDE 0.8g/L, quadrol 55g/L, sodium hydroxide 40g/L, pH=14,75 ℃ of temperature, carbon onion ball shaped nano material 11g/L, 3 hours time.Frictional wear experiment is found: the abrasion loss that contains the Ni-B composite deposite of carbon onion ball shaped nano material be respectively Ni-B coating 1/7, Ni-B-graphite composite deposite 1/3, its frictional coefficient is 0.031, and the frictional coefficient of Ni-B and Ni-B-graphite is 0.12 and 0.065.
Embodiment 4:
Aluminium alloy gives by secondary and to soak zinc or to soak admiro behind oil removing, alkaline etch and acid etching, contains the Ni-P composite deposite of carbon onion ball shaped nano material then at its coating surface with chemical plating method.Chemical plating method is with embodiment 1.Frictional wear experiment finds that the abrasion loss of aluminum alloy surface Ni-P-carbon onion composite deposite is the 1/5-1/6 of Ni-P coating, and its frictional coefficient is 0.03, and the frictional coefficient of Ni-P coating is 0.11.

Claims (1)

1. nickel-base composite coat that contains carbon onion ball shaped nano material, it is characterized in that: contain carbon onion ball shaped nano material in coating, its size is in the 30-50 nanometer.
CN 200410018061 2004-04-27 2004-04-27 Composite plating layer containing carbon nano shallot ball shaped nanomaterial and its preparation method Expired - Fee Related CN1281784C (en)

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CN 200410018061 CN1281784C (en) 2004-04-27 2004-04-27 Composite plating layer containing carbon nano shallot ball shaped nanomaterial and its preparation method

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CN1281784C true CN1281784C (en) 2006-10-25

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JP6598588B2 (en) * 2015-08-25 2019-10-30 富士電機株式会社 Sliding structure, plating bath and sliding member manufacturing method
CN111218588B (en) * 2018-11-27 2021-05-11 有研工程技术研究院有限公司 Aluminum alloy hemisphere for automobile air-conditioning compressor and preparation method thereof

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