CN100497743C - Chemical removing method of ion-plating TiAlN coating on stainless steel substrate - Google Patents

Chemical removing method of ion-plating TiAlN coating on stainless steel substrate Download PDF

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Publication number
CN100497743C
CN100497743C CNB2006100460886A CN200610046088A CN100497743C CN 100497743 C CN100497743 C CN 100497743C CN B2006100460886 A CNB2006100460886 A CN B2006100460886A CN 200610046088 A CN200610046088 A CN 200610046088A CN 100497743 C CN100497743 C CN 100497743C
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coating
solution
stainless steel
ion
tialn coating
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CNB2006100460886A
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CN101037772A (en
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辛丽
李明升
朱圣龙
王福会
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Institute of Metal Research of CAS
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Institute of Metal Research of CAS
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Abstract

A method for chamical-removing ion-plating TiAlN coating on stainless steel based body, is characterized in that, stainless steel sample, which is plated a TiAlN coating on suface multiple-arc ion, is immersed in the pre-made coating-removed solution, TiAlN coating of surface is fully removed after a period of time. The special method for preparing the coating-removed solution is that: disodium ethylene diamine tetraacetate (C10H14N2O8Na2.2H2O) is dissolved in water and then mixes with H2O2, pH of solution is adjusted by NaOH or KOH. The inventive coating-removed solution can entirely remove TiAlN coating in a shorter time, and can not almost damage stainless steel based body, with simple method for preparation, convenience use and low cost.

Description

A kind of chemistry removal method of ion-plating TiAlN coating on stainless steel substrate
Technical field:
The present invention relates to the removal technology of TiAlN coating, a kind of chemistry removal method of ion-plating TiAlN coating on stainless steel substrate is provided especially.
Background technology:
The TiAlN coating is owing to have high hardness and wear resistance, and good oxidation-resistance, caused closely during the last ten years widely and to have paid close attention to, cutting, decoration and anticorrosion aspect good application prospects is all arranged, its preparation method has sputter, ion plating and chemical vapour deposition etc.But, when coating coating poor effect, or when knock damage is arranged, need a kind of method simply fast that it is removed, and preferably to not infringement of alloy substrate.
Summary of the invention:
The object of the present invention is to provide a kind of method, can remove the TiAlN coating quickly, and almost harmless to stainless steel base.
The invention provides a kind of chemistry removal method of ion-plating TiAlN coating on stainless steel substrate, it is characterized in that: the stainless steel sample that will have ion-plating TiAlN coating is dipped in the coating-removed solution of preparation, and the concrete compound method of coating-removed solution is: with b diammonium disodium edta C 10H 14N 2O 8Na 22H 2O is dissolved in the water, then with H 2O 2Mix, with the pH value of NaOH or KOH regulator solution; The solution pH value is 5～10; H in the solution 2O 2Volumetric concentration 30%～70%; C in the solution 10H 14N 2O 8Na 22H 2O concentration 7g/l～100g/l.
In the chemistry removal method of ion-plating TiAlN coating on stainless steel substrate of the present invention, the solution pH value is 8.5～9 preferably.
In the chemistry removal method of ion-plating TiAlN coating on stainless steel substrate of the present invention, Solution H preferably 2O 2Volumetric concentration is 55%～70%.
In the chemistry removal method of ion-plating TiAlN coating on stainless steel substrate of the present invention, solution C preferably 10H 14N 2O 8Na 22H 2O concentration is 17g/l～50g/l.
In the chemistry removal method of ion-plating TiAlN coating on stainless steel substrate of the present invention, solution temperature is 15 ℃～30 ℃ of room temperatures preferably.
In the chemistry removal method of ion-plating TiAlN coating on stainless steel substrate of the present invention, the content of Ti can be between 25%～50% (mol%) in the TiAlN coating, and corresponding Al amount is 0～25% (mol%).
Coating-removed solution of the present invention is by adding C 10H 14N 2O 8Na 22H 2O utilizes C 10H 14N 2O 8Na 22H 2The strong complexing action of O and metal ion makes H 2O 2With TiAlN coating generation redox reaction, reacting balance relaxes, and is almost harmless to stainless steel base under lower pH value, can remove the TiAlN coating fully in the relatively short time that practical application allows.The preparation method is simple, and is easy to use, with low cost.
Embodiment:
Embodiment 1
Sample 1Cr11Ni2W2MoV steel is of a size of 15mm * 10mm * 2.5mm, multi-arc ion coating one deck Ti on sample 70Al 30N, coating are pale brown look, thickness 5 μ m～6 μ m.Sample is immersed in the coating-removed solution of 60ml configuration, it is as follows to remove the liquid collocation method: with 2gC 10H 14N 2O 8Na 22H 2O is dissolved in 20mlH 2Among the O, with 40mlH 2O 2Mix, transferring the pH value of solution with NaOH is 8.5,25 ℃ of solution temperatures.Pale brown look coating is removed fully after about 24 hours, and stainless steel surface is as bright as a sixpence.
Embodiment 2
Sample 1Cr11Ni2W2MoV steel is of a size of 15mm * 10mm * 2.5mm, multi-arc ion coating one deck Ti on sample 70Al 30N, coating are pale brown look, thickness 5 μ m～6 μ m.Sample is immersed in the coating-removed solution of 60ml configuration, it is as follows to remove the liquid collocation method: with 4gC 10H 14N 2O 8Na 22H 2O is dissolved in 20ml H 2Among the O, with 40mlH 2O 2Mix, transferring the pH value of solution with NaOH is 5,25 ℃ of solution temperatures.Pale brown look coating is removed fully after about 4 days.
Embodiment 3
Sample 1Cr11Ni2W2MoV steel is of a size of 15mm * 10mm * 2.5mm, multi-arc ion coating one deck Ti on sample 50Al 50N, coating is dark-brown, thickness 5 μ m～6 μ m.Sample is immersed in the coating-removed solution of 60ml configuration, it is as follows to remove the liquid collocation method: with 1gC 10H 14N 2O 8Na 22H 2O is dissolved in 20ml H 2Among the O, with 40mlH 2O 2Mix, transferring the pH value of solution with NaOH is 8.9,15 ℃ of solution temperatures.Dark-brown coating is removed fully after about 24 hours, and stainless steel surface is as bright as a sixpence.
Embodiment 4
Sample 1Cr11Ni2W2MoV steel is of a size of 15mm * 10mm * 2.5mm, multi-arc ion coating one deck Ti on sample 50Al 50N, coating is dark-brown, thickness 5 μ m～6 μ m.Sample is immersed in the coating-removed solution of 60ml configuration, it is as follows to remove the liquid collocation method: with 2gC 10H 14N 2O 8Na 22H 2O is dissolved in 20ml H 2Among the O, with 40mlH 2O 2Mix, transferring the pH value of solution with NaOH is 5,25 ℃ of solution temperatures.Dark-brown coating is removed after about 16 days.
Embodiment 5
Sample 1Cr11Ni2W2MoV steel is of a size of 15mm * 10mm * 2.5mm, multi-arc ion coating one deck Ti on sample 70Al 30N, coating are pale brown look, thickness 5 μ m～6 μ m.Sample is immersed in the coating-removed solution of 60ml configuration, it is as follows to remove the liquid collocation method: with 6gC 10H 14N 2O 8Na 22H 2O is dissolved in 40ml H 2Among the O, with 20mlH 2O 2Mix, transferring the pH value of solution with NaOH is 8.9,15 ℃ of solution temperatures.Pale brown look coating is removed fully after about 24 hours, and stainless steel surface is as bright as a sixpence.
Embodiment 6
Sample 1Cr11Ni2W2MoV steel is of a size of 15mm * 10mm * 2.5mm, multi-arc ion coating one deck Ti on sample 90Al 10N, coating are pale brown look, thickness 5 μ m～6 μ m.Sample is immersed in the coating-removed solution of 60ml configuration, it is as follows to remove the liquid collocation method: with 1gC 10H 14N 2O 8Na 22H 2O is dissolved in 60mlH 2O 2Mix, transferring the pH value of solution with KOH is 8.5,25 ℃ of solution temperatures.Pale brown look coating is removed fully after about 24 hours, and stainless steel surface is as bright as a sixpence.
Embodiment 7
Sample 1Cr11Ni2W2MoV steel is of a size of 15mm * 10mm * 2.5mm, multi-arc ion coating one deck Ti on sample 50Al 50N, coating is dark-brown, thickness 5 μ m～6 μ m.Sample is immersed in the coating-removed solution of 60ml configuration, it is as follows to remove the liquid collocation method: with 0.4gC 10H 14N 2O 8Na 22H 2O is dissolved in 20mlH 2Among the O, with 40mlH 2O 2Mix, transferring the pH value of solution with NaOH is 8.6,15 ℃ of solution temperatures.Coating was removed after 48 hours.
Comparative example 1
Sample 1Cr11Ni2W2MoV steel is of a size of 15mm * 10mm * 2.5mm, multi-arc ion coating one deck Ti on sample 70Al 30N, coating are pale brown look, thickness 5 μ m～6 μ m.Sample is immersed in the coating-removed solution of 60ml configuration, it is as follows to remove the liquid collocation method: with 1gC 10H 14N 2O 8Na 22H 2O is dissolved in 60ml H 2Among the O, transferring the pH value of solution with NaOH is 9,25 ℃ of solution temperatures.Coating can not be removed.
Comparative example 2
Sample 1Cr11Ni2W2MoV steel is of a size of 15mm * 10mm * 2.5mm, multi-arc ion coating one deck Ti on sample 70Al 30N, coating are pale brown look, thickness 5 μ m～6 μ m.Sample is immersed in the coating-removed solution of 60ml configuration, it is as follows to remove the liquid collocation method: with 20ml H 2O and 40mlH 2O 2Mix, transferring the pH value of solution with NaOH is 9,25 ℃ of solution temperatures.Coating can not be removed.
Comparative example 3
Sample TiAl base alloy is of a size of 15mm * 10mm * 2.5mm, multi-arc ion coating one deck Ti on sample 50Al 50N, coating is dark-brown, thickness 5 μ m～6 μ m.Sample is immersed in the coating-removed solution of 60ml configuration, it is as follows to remove the liquid collocation method: with 1gC 10H 14N 2O 8Na 22H 2O is dissolved in 20ml H 2Among the O, with 40mlH 2O 2Mix, transferring the pH value of solution with NaOH is 8.5,25 ℃ of solution temperatures.Dark-brown coating is removed fully after 40 hours, and the corrosion of TiAl base alloy surface is more serious.

Claims (9)

1, a kind of chemistry removal method of ion-plating TiAlN coating on stainless steel substrate, it is characterized in that: the stainless steel sample that will have ion-plating TiAlN coating is dipped in the coating-removed solution of preparation, and the concrete compound method of coating-removed solution is: with b diammonium disodium edta C 10H 14N 2O 8Na 22H 2O is dissolved in the water, then with H 2O 2Mix, with the pH value of NaOH or KOH regulator solution; The solution pH value is 5～10; H in the solution 2O 2Volumetric concentration 30%～70%; C in the solution 10H 14N 2O 8Na 22H 2O concentration 7g/l～100g/l.
2, according to the chemistry removal method of the described ion-plating TiAlN coating on stainless steel substrate of claim 1, it is characterized in that: the solution pH value is 8.5～9.
3, according to the chemistry removal method of claim 1 or 2 described ion-plating TiAlN coating on stainless steel substrate, it is characterized in that: Solution H 2O 2Volumetric concentration 55%～70%.
4, according to the chemistry removal method of claim 1 or 2 described ion-plating TiAlN coating on stainless steel substrate, it is characterized in that: C in the solution 10H 14N 2O 8Na 22H 2O concentration 17g/l～50g/l.
5, according to the chemistry removal method of the described ion-plating TiAlN coating on stainless steel substrate of claim 3, it is characterized in that: C in the solution 10H 14N 2O 8Na 22H 2O concentration 17g/l～50g/l.
6, in the chemistry removal method according to claim 1 or 2 described ion-plating TiAlN coating on stainless steel substrate, it is characterized in that: solution temperature is 15 ℃～30 ℃ of room temperatures.
7, in the chemistry removal method according to the described ion-plating TiAlN coating on stainless steel substrate of claim 3, it is characterized in that: solution temperature is 15 ℃～30 ℃ of room temperatures.
8, in the chemistry removal method according to the described ion-plating TiAlN coating on stainless steel substrate of claim 4, it is characterized in that: solution temperature is 15 ℃～30 ℃ of room temperatures.
9, in the chemistry removal method according to the described ion-plating TiAlN coating on stainless steel substrate of claim 5, it is characterized in that: solution temperature is 15 ℃～30 ℃ of room temperatures.
CNB2006100460886A 2006-03-17 2006-03-17 Chemical removing method of ion-plating TiAlN coating on stainless steel substrate Expired - Fee Related CN100497743C (en)

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CN102392249B (en) * 2011-11-28 2013-06-05 江西省科学院应用物理研究所 Method for removing coatings on surfaces of hard alloys
CN102634808B (en) * 2012-03-19 2014-07-16 南昌大学 Method for stripping Al2O3-contained multi-element composite coating from surface of waste coated hard alloy
CN103882459B (en) * 2014-03-31 2016-05-25 沈阳大学 A kind of stripping method of titanium chromium nitride hard reaction film
CN106884168A (en) * 2017-04-07 2017-06-23 苏州星蓝纳米技术有限公司 A kind of hard alloy moves back masking liquid and its preparation and application method

Citations (1)

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Publication number Priority date Publication date Assignee Title
US20050170013A1 (en) * 2004-02-04 2005-08-04 Douglas Jerry A. Composition for treating a dermatological inflammatory response and method of preparation thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050170013A1 (en) * 2004-02-04 2005-08-04 Douglas Jerry A. Composition for treating a dermatological inflammatory response and method of preparation thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
电弧离子镀(Ti,Al)N复合薄膜的结构和性能研究. 李明升等.金属学报，第39卷第1期. 2003 *

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