CN106319486A - Preparing method for titanium alloy with high friction coefficient - Google Patents

Preparing method for titanium alloy with high friction coefficient Download PDF

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Publication number
CN106319486A
CN106319486A CN201610836766.2A CN201610836766A CN106319486A CN 106319486 A CN106319486 A CN 106319486A CN 201610836766 A CN201610836766 A CN 201610836766A CN 106319486 A CN106319486 A CN 106319486A
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China
Prior art keywords
titanium alloy
plating
ranges
coefficient
friction
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CN201610836766.2A
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Chinese (zh)
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CN106319486B (en
Inventor
吴长应
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Baoji Lixing Titanium Technology Co ltd
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Wuhu Yangzhan New Material Technology Service Co Ltd
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    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
    • C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
    • C23C18/1806—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by mechanical pretreatment, e.g. grinding, sanding
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
    • C23C18/1824—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
    • C23C18/1837—Multistep pretreatment

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemically Coating (AREA)

Abstract

The invention discloses a preparing method for a titanium alloy with a high friction coefficient. The preparing method includes the following steps that firstly, a titanium alloy is cleaned; and secondly, the titanium alloy is subjected to chemical plating, wherein chemical plating is Ni-P-Si-C composite chemical plating, the cleaned titanium alloy is put into a composite plating solution to be subjected to chemical plating, and according to the conditions of chemical plating, the plating implementing temperature ranges from 80 DEG C to 90 DEG C, the PH ranges from 6.5 to 7.5, the stirring speed ranges from 10 r/min to 20 r/min, the loading capacity of the plating solution ranges from 0.8 dm<2>/L to 1.5 dm<2>/L, and the plating implementing time ranges from 0.5 h to 1 h. Compared with the prior art, a stabilizing agent is selected, so that the phosphorus content of the titanium alloy obtained through chemical plating ranges from 3.23% to 3.28%, the hardness ranges from 750 HV to 780 HV, the friction coefficient ranges from 0.7 to 0.75, stability of the plating solution is good, and the service life of the prepared plating solution is 2 hours to 5 hours.

Description

The preparation method of the titanium alloy that coefficient of friction is high
Technical field
The invention belongs to the preparation method of alloy, particularly belong to the preparation method of titanium alloy.
Background technology
Titanium alloy is a kind of novel structural material, has light weight, a feature that specific strength is high, in titanium alloy Ti6Al4V (TC4) is the material of main part of aircraft industry, but it exists surface and easily aoxidizes, and hardness is less than 600HV, coefficient of friction Feature less than 0.6.
Summary of the invention
The technical problem to be solved is to provide the preparation method of a kind of coefficient of friction titanium alloy more than 0.7.
The present invention solves the technical scheme of technical problem: the preparation method of the titanium alloy that coefficient of friction is high, including following Step:
A, the cleaning step of titanium alloy；B, the electroless plating step of titanium alloy.
Described chemical plating is Ni-P-Si-C composite electroless-plating, will put in composite plating bath by cleaned titanium alloy Row chemical plating, the condition of chemical plating is: plating temperature is 80-90 DEG C, and PH is 6.5-7.5, and mixing speed is 10-20 rev/min, plating Liquid useful load is 0.8-1.5dm2/ L, plating time 0.5-1 hour.
In described composite plating bath, containing following material in every liter of solution:
Described ammonia is used for regulating the pH value of plating solution in plating process.
The cleaning step of described titanium alloy comprises the following steps successively: sand papering step, deoiling step, pickling step Suddenly, activation step.
Described deoiling step is the titanium alloy good with ultrasonic waves for cleaning sand papering, and ultrasonic frequency is 50-70KHz, Clean 10-30 minute.
Described titanium alloy is Ti6Al4V (TC4).
The present invention compared with prior art, by select ibandronate (water), 2-amino-5-sulfydryl-1,3,4-thiophenes Diazole is as stabilizer, and the phosphorus content of the titanium alloy that chemistry plates out is 3.23-3.28%, and hardness is 750-780HV, coefficient of friction For 0.7-0.75, the good stability of plating solution, the life-span of the plating solution prepared is 2-2.5 hour.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in detail.
Embodiment 1:
The preparation method of the titanium alloy that coefficient of friction is high, comprises the following steps:
A, the cleaning step of titanium alloy:
The cleaning step of described titanium alloy comprises the following steps successively: sand papering step, deoiling step, pickling step Suddenly, activation step.
Described deoiling step is Ti6Al4V (TC4) titanium alloy good with ultrasonic waves for cleaning sand papering, ultrasonic frequency For 50KHz, clean 30 minutes.
B, the electroless plating step of titanium alloy.
Described chemical plating is Ni-P-Si-C composite electroless-plating, will put in composite plating bath by cleaned titanium alloy Row chemical plating, the condition of chemical plating is: plating temperature is 80 DEG C, is 6.5-7 with the PH of ammonia regulation plating solution, and mixing speed is 10 Rev/min, plating solution useful load is 0.8dm2/ L, plating time 1 hour.
In described composite plating bath, containing following material in every liter of solution:
Embodiment 2:
The preparation method of the titanium alloy that coefficient of friction is high, comprises the following steps:
A, the cleaning step of titanium alloy:
The cleaning step of described titanium alloy comprises the following steps successively: sand papering step, deoiling step, pickling step Suddenly, activation step.
Described deoiling step is Ti6Al4V (TC4) titanium alloy good with ultrasonic waves for cleaning sand papering, ultrasonic frequency For 60KHz, clean 20 minutes.
B, the electroless plating step of titanium alloy.
Described chemical plating is Ni-P-Si-C composite electroless-plating, will put in composite plating bath by cleaned titanium alloy Row chemical plating, the condition of chemical plating is: plating temperature is 85 DEG C, is 6.8-7.2 with the PH of ammonia regulation plating solution, and mixing speed is 15 revs/min, plating solution useful load is 1.2dm2/ L, plating time 0.8 hour.
In described composite plating bath, containing following material in every liter of solution:
Embodiment 3:
The preparation method of the titanium alloy that coefficient of friction is high, comprises the following steps:
A, the cleaning step of titanium alloy:
The cleaning step of described titanium alloy comprises the following steps successively: sand papering step, deoiling step, pickling step Suddenly, activation step.
Described deoiling step is Ti6Al4V (TC4) titanium alloy good with ultrasonic waves for cleaning sand papering, ultrasonic frequency For 70KHz, clean 10 minutes.
B, the electroless plating step of titanium alloy.
Described chemical plating is Ni-P-Si-C composite electroless-plating, will put in composite plating bath by cleaned titanium alloy Row chemical plating, the condition of chemical plating is: plating temperature is 90 DEG C, is 7.2-7.5 with the PH of ammonia regulation plating solution, and mixing speed is 20 revs/min, plating solution useful load is 1.5dm2/ L, plating time 0.5 hour.
In described composite plating bath, containing following material in every liter of solution:
Embodiment 4:
In addition to stabilizer is 1mg thiourea, remaining is same as in Example 1.
Embodiment 5:
Except being not added with ibandronate (water), 2-amino-5-sulfydryl-1, outside 3,4-thiadiazoles, remaining and embodiment 1 phase With.
Bath life refers to be 80-90 DEG C by plating solution in temperature, and PH is 6.5-7.5, and mixing speed is 10-20 rev/min, plating Liquid useful load is 0.8-1.5dm2In the case of/L, there is not the time that selfdecomposition was lost efficacy.
The technique effect of embodiment 1-5 is as shown in table 1:
Table 1:
Hardness (HV) Coefficient of friction Phosphorus content (%) Bath life (h)
Embodiment 1 751 0.73 3.24 2.2
Embodiment 2 771 0.75 3.26 2.4
Embodiment 3 762 0.72 3.24 2.1
Embodiment 4 630 0.54 5.4 0.5
Embodiment 5 620 0.57 5.5 0.3

Claims (5)

1. the preparation method of the titanium alloy that coefficient of friction is high, comprises the following steps:
A, the cleaning step of titanium alloy；B, the electroless plating step of titanium alloy, it is characterised in that:
Described chemical plating is Ni-P-Si-C composite electroless-plating, will put in composite plating bath and change by cleaned titanium alloy Learning plating, the condition of chemical plating is: plating temperature is 80-90 DEG C, and PH is 6.5-7.5, and mixing speed is 10-20 rev/min, and plating solution fills Carrying capacity is 0.8-1.5dm2/ L, plating time 0.5-1 hour.
The preparation method of the titanium alloy that coefficient of friction the most according to claim 1 is high, it is characterised in that:
In described composite plating bath, containing following material in every liter of solution:
The preparation method of the titanium alloy that coefficient of friction the most according to claim 1 is high, it is characterised in that:
The cleaning step of described titanium alloy comprises the following steps successively: sand papering step, deoiling step, acid pickling step, work Change step.
The preparation method of the titanium alloy that coefficient of friction the most according to claim 3 is high, it is characterised in that:
Described deoiling step is the titanium alloy good with ultrasonic waves for cleaning sand papering, and ultrasonic frequency is 50-70KHz, cleans 10-30 minute.
The preparation method of the titanium alloy that coefficient of friction the most according to claim 1 is high, it is characterised in that:
Described titanium alloy is Ti6Al4V (TC4).
CN201610836766.2A 2016-09-21 2016-09-21 The preparation method of the high titanium alloy of friction coefficient Active CN106319486B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485597A (en) * 1964-10-30 1969-12-23 Us Army Electroless deposition of nickel-phosphorus based alloys
CN101050525A (en) * 2007-05-17 2007-10-10 山东大学 Composite plating Ni - P - SiC in high phosphor, and preparation method
CN101302614A (en) * 2008-01-17 2008-11-12 中山大学 Environment-protective plating solution for preparing high-hardness chemical plating Ni-P-SiC coating
CN101665930A (en) * 2009-09-18 2010-03-10 重庆理工大学 Magnesium alloy direct chemical plating NI-P-SiC plating solution formula and plating process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485597A (en) * 1964-10-30 1969-12-23 Us Army Electroless deposition of nickel-phosphorus based alloys
CN101050525A (en) * 2007-05-17 2007-10-10 山东大学 Composite plating Ni - P - SiC in high phosphor, and preparation method
CN101302614A (en) * 2008-01-17 2008-11-12 中山大学 Environment-protective plating solution for preparing high-hardness chemical plating Ni-P-SiC coating
CN101665930A (en) * 2009-09-18 2010-03-10 重庆理工大学 Magnesium alloy direct chemical plating NI-P-SiC plating solution formula and plating process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
朱理北: "Ni-P-SiC复合化学镀的工艺与性能研究", 《中国优秀硕士学位论文全文数据库工程科技I辑》 *

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Effective date of registration: 20201104

Address after: 313000 1-B, building 1, No. 656, Qixing Road, high tech Zone, Wuxing District, Huzhou City, Zhejiang Province

Patentee after: Huzhou Qiqi Electromechanical Technology Co.,Ltd.

Address before: 241000 Anhui Province, Wuhu Longhu City Sanshan District Street No. 8 business street

Patentee before: WUHU YANGZHAN NEW MATERIALS TECHNOLOGY SERVICE Co.,Ltd.

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Address after: Building 4, No. 63, Hi-tech Development Zone, Baoji City, Shaanxi Province, 721000

Patentee after: BAOJI LIXING TITANIUM TECHNOLOGY Co.,Ltd.

Address before: 313000 1-B, building 1, No. 656 Qixing Road, high tech Zone, Wuxing District, Huzhou City, Zhejiang Province

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