CN106048367A - Ni45B-Al2O3-Ti nano-coating and preparation method thereof - Google Patents

Ni45B-Al2O3-Ti nano-coating and preparation method thereof Download PDF

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Publication number
CN106048367A
CN106048367A CN201610662587.1A CN201610662587A CN106048367A CN 106048367 A CN106048367 A CN 106048367A CN 201610662587 A CN201610662587 A CN 201610662587A CN 106048367 A CN106048367 A CN 106048367A
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China
Prior art keywords
ni45b
parts
nano
coating
al2o3
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Withdrawn
Application number
CN201610662587.1A
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Chinese (zh)
Inventor
程敬卿
周乾坤
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Anhui Ding Heng Manufacturing Technology Research Institute Co Ltd
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Anhui Ding Heng Manufacturing Technology Research Institute Co Ltd
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Application filed by Anhui Ding Heng Manufacturing Technology Research Institute Co Ltd filed Critical Anhui Ding Heng Manufacturing Technology Research Institute Co Ltd
Priority to CN201610662587.1A priority Critical patent/CN106048367A/en
Publication of CN106048367A publication Critical patent/CN106048367A/en
Withdrawn legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/14—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on borides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

The invention relates to a Ni45B-Al2O3-Ti nano-coating and a preparation method thereof. The Ni45B-Al2O3-Ti nano-coating comprises, by mass, 63.5 to 76.4 parts of Ni45B, 22.3 to 35.2 parts of Al2O3, 2 parts of Ti and 1.3 parts of a trace element. The preparation method comprises the following steps: (1) preparing Ni45B-Al2O3-Ti nanospheres by using a dry grinding method; (2) mixing the nanospheres prepared in the step (1) with Cr, Si, B, Fe and Mn by using a surfactant protection method so as to obtain nano-powder; and (3) spraying the nano-powder prepared in the step (2) onto the surface of a 9Cr18 die steel matrix by using a plasma spraying process so as to prepare the Ni45B-Al2O3-Ti nano-coating. Compared with traditional alloy materials, the Ni45B-Al2O3-Ti nano-coating has improved hardness, greatly enhanced toughness and bonding strength, and substantially increased thickness, an increase of 50%.

Description

A kind of Ni45B-Al2O3-Ti nano coating and preparation method thereof
Technical field
The present invention relates to thermal spraying material technical field, a kind of Ni45B-Al2O3-Ti nano coating and system thereof Preparation Method.
Background technology
Thermal spraying is to utilize certain thermal source (such as electric arc, plasma spraying or combustion flame etc.) by powder or thread gold Belong to or nonmetallic materials are heated to melted or semi-molten state, then spray with certain speed by flame stream itself or compressed air To pretreated matrix surface, deposit and form a kind of technology of the face coat with various function.
The material bond strength that traditional spraying technology uses is poor, porosity height, wear no resistance, and service life is short, it is impossible to Meet people's use requirement in extreme circumstances, frequently change abrasion workpiece and be also unfavorable for the raising of production efficiency.
Summary of the invention
Poor in order to solve conventional coatings wearability, the problems such as hardness is relatively low, the present invention provides a kind of Ni45B-Al2O3-Ti Nano coating and preparation method thereof.
The technical problem to be solved realizes by the following technical solutions:
A kind of Ni45B-Al2O3-Ti nano coating, the mass fraction of its component and each component be Ni45B account for 63.5 parts- 76.4 parts, Al2O3Account for 22.3 parts-35.2 parts, Ti account for 2 parts, trace element account for 1.3 parts；
Described trace element includes Cr, Si, B, Fe, Mn.
A kind of Ni45B-Al2O3The preparation method of-Ti nano coating, comprises the following steps:
(1) dry type comminuting method is used to prepare Ni45B-Al2O3The nanosphere of-Ti；
(2) nanosphere prepared in step (1) uses surfactant Protection Code mixing Cr, Si, B, Fe, Mn prepare to receive Rice flour end；
(3) plasma spray coating process is utilized to prepare on 9Cr18 mould steel matrix the nano coating prepared in step (2) Nano coating.
The invention has the beneficial effects as follows: present invention hardness compared with conventional alloys material has been strengthened, toughness, bond strength Being greatly improved, coating can add thickness and be greatly enhanced, and coating layer thickness can be made to improve 50%, be well suited for a few thing face ratio Harsher, by the workpiece of gravitational thrusts, faying face is unaffected.
Detailed description of the invention
In order to make technological means that the present invention realizes and creation characteristic be easy to understand, below the present invention is explained further State.
Embodiment one:
A kind of Ni45B-Al2O3-Ti nano coating, the mass fraction of its component and each component be Ni45B account for 63.5 parts, Al2O3Account for 22.3 parts, Ti account for 2 parts, trace element account for 1.3 parts；
Described trace element includes Cr, Si, B, Fe, Mn.
A kind of Ni45B-Al2O3The preparation method of-Ti nano coating, comprises the following steps:
(1) dry type comminuting method is used to prepare Ni45B-Al2O3The nanosphere of-Ti；
(2) nanosphere prepared in step (1) uses surfactant Protection Code mixing Cr, Si, B, Fe, Mn prepare to receive Rice flour end；
(3) plasma spray coating process is utilized to prepare on 9Cr18 mould steel matrix the nano coating prepared in step (2) Nano coating.
Embodiment two:
A kind of Ni45B-Al2O3-Ti nano coating, the mass fraction of its component and each component be Ni45B account for 76.4 parts, Al2O3Account for 35.2 parts, Ti account for 2 parts, trace element account for 1.3 parts；
Described trace element includes Cr, Si, B, Fe, Mn.
A kind of Ni45B-Al2O3The preparation method of-Ti nano coating is identical with embodiment one.
Embodiment three:
A kind of Ni45B-Al2O3-Ti nano coating, the mass fraction of its component and each component be Ni45B account for 55.4 parts, Al2O3Account for 30.5 parts, Ti account for 2 parts, trace element account for 1.3 parts；
Described trace element includes Cr, Si, B, Fe, Mn.
A kind of Ni45B-Al2O3The preparation method of-Ti nano coating is identical with embodiment one.
Plasma spraying technology is used to prepare Ni45B-Al on 9Cr18 mould steel matrix2O3-Ti nanometer layer, band is State matrix and the bond strength of matrix, microhardness, the porosity and the abrasive wear resistance pair without described layer of layer It is shown in Table 1 than experimental result:
Table 1 Ni45B-Al2O3-Ti nanometer layer with without layer 9Cr18 mould steel substrate performance contrast and experiment:
Experimental group is numbered Porosity (AREA%) Bond strength (MPa) Microhardness (HV)
1 0.389 77.8 955
2 0.406 81.2 968
3 0.395 79.6 974
Meansigma methods 0.397 79.3 966
Contrast groups 0.578 62.6 850
Plasma spraying technology is used to prepare Ni45B-Al on 9Cr18 mould steel matrix2O3-Ti layer, with described weldering The matrix of layer and the wear extent contrast and experiment of matrix without described layer are shown in Table 2:
Table 2 Ni45B-Al2O3-Ti nanometer layer and the wear extent contrast and experiment of 9Cr18 mould steel matrix:
Experimental group is numbered Before abrasion (g) After abrasion (g) Wear extent (g)
1 58.4937 58.4915 0.0022
2 58.8213 58.8183 0.0030
3 58.9356 58.9325 0.0031
Contrast groups 58.6968 58.6904 0.0064
From Tables 1 and 2, Ni45B-Al2O3The excellent combination property of-Ti nanometer layer, wearability is good.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry The personnel simply present invention it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description Principle, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these change and Improvement both falls within scope of the claimed invention.Claimed scope is by appending claims and equivalence thereof Thing defines.

Claims (2)

1. a Ni45B-Al2O3-Ti nano coating, it is characterised in that: the mass fraction of its component and each component is that Ni45B accounts for 63.5 parts-76.4 parts, Al2O3Account for 22.3 parts-35.2 parts, Ti account for 2 parts, trace element account for 1.3 parts；
Described trace element includes Cr, Si, B, Fe, Mn.
2. a Ni45B-Al2O3The preparation method of-Ti nano coating, it is characterised in that: comprise the following steps:
(1) dry type comminuting method is used to prepare Ni45B-Al2O3The nanosphere of-Ti；
(2) nanosphere prepared in step (1) use surfactant Protection Code mixing Cr, Si, B, Fe, Mn prepare nano powder End；
(3) nano coating prepared in step (2) utilize plasma spray coating process prepare nanometer on 9Cr18 mould steel matrix Coating.
CN201610662587.1A 2016-08-13 2016-08-13 Ni45B-Al2O3-Ti nano-coating and preparation method thereof Withdrawn CN106048367A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610662587.1A CN106048367A (en) 2016-08-13 2016-08-13 Ni45B-Al2O3-Ti nano-coating and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610662587.1A CN106048367A (en) 2016-08-13 2016-08-13 Ni45B-Al2O3-Ti nano-coating and preparation method thereof

Publications (1)

Publication Number Publication Date
CN106048367A true CN106048367A (en) 2016-10-26

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Country Status (1)

Country Link
CN (1) CN106048367A (en)

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Application publication date: 20161026