CN101787228A - Heat-resistant nano-paint used for surface performance optimization of nickel-chromium stainless steel piece - Google Patents
Heat-resistant nano-paint used for surface performance optimization of nickel-chromium stainless steel piece Download PDFInfo
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- CN101787228A CN101787228A CN201010102320A CN201010102320A CN101787228A CN 101787228 A CN101787228 A CN 101787228A CN 201010102320 A CN201010102320 A CN 201010102320A CN 201010102320 A CN201010102320 A CN 201010102320A CN 101787228 A CN101787228 A CN 101787228A
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Abstract
The invention relates to a heat-resistant nano-paint used for the surface performance optimization of a nickel-chromium stainless steel piece. The heat-resistant nano-paint is prepared by mixing liquid inorganic paint and ball-milling the mixture by a ball mill for 1-5h to prepare water pulp; the liquid inorganic paint consists of 25-30% of nano-aluminum oxide, 10-15% of nano-manganese dioxide, 1-5% of nano-molybdenum trioxide, 1-5% of nano-silicon dioxide, 15-20% of boron oxide and 25-48% of water, wherein the degrees of fineness of the aluminum oxide, the manganese dioxide, the molybdenum trioxide and the silicon dioxide are in the nano-scale, and the nano-scale is 50-100 nanometers. The heat-resistant nano-paint has the advantage that a compact organic ceramic coating is formed in the high-temperature processing procedure of a stainless steel matrix to prevent the external oxidation and the diffusion of the surface elements of the matrix, so as to achieve the effect of optimizing the surface quality in the heating process.
Description
Technical field:
The present invention relates to a kind of heat-resistant nano-paint that is used for surface performance optimization of nickel-chromium stainless steel piece.
Background technology:
Utilize stainless steel piece high temperature anti-scorching coating to be used for the steel piece surface protection of stainless steel manufacturing and processing enterprise to improve the most direct approach and the means of stainless steel product surface quality and raising product lumber recovery, such coating yet there are no market matured product application at present.A lot of to the research of this series products unfolded both at home and abroad, but many this series products are because application is single, application of temperature is lower and production cost is very high former thereby can not get actual applying.The high-temperature resistant coating that is used for surface performance optimization of nickel-chromium stainless steel piece can be applicable to the anti-scorching process of the most of steel grade heat treatment processes of nickel chromium stainless steel, have pervasive performance at the stainless steel production field, application of temperature can reach 1350 ℃ product and studies also rarely has report.
A lot of being correlated with openly also appearred in the research about high-temp antioxidizing paint, disclosed a kind of barrier material and the disclosed a kind of high-temp antioxidizing paint of Chinese patent CN1300805A that prevents steel workpiece oxidation/decarburization when thermal treatment is heated of Chinese patent CN1632137A for example, the application of temperature of its coating is all below 1200 ℃, the actual heating process of on-the-spot nickel chromium stainless steel is not matched, be unfavorable for that the actual of such coating products apply.
Chinese patent CN1179448A discloses a kind of oxidation-proof paint for high-temp heat-resistant steel, and this coating is the high-temp antioxidizing at high temperature steel, is used for the high temperature steel surface of smelting magnesium, does not have universality.Chinese patent CN1036396A discloses a kind of MgO-Cr
2O
3Be the blank plates of silicon steels oxidation preventive coating for heating, this coating has the good capacity of heat transmission and resistance to elevated temperatures, uses not prolong slab heat-up time behind the coating, the silicon steel final product quality is had no adverse effects the oxidization burning loss in the time of preventing the silicon steel heating effectively; Also can improve the operating rate of process furnace simultaneously, increase considerably an amount of rolling of silicon steel.But this coating at be high-temp antioxidizing to blank plates of silicon steels, and be not suitable for the high temperature surface performance optimization protection of nickel chromium stainless steel.
Chinese patent CN101003848A discloses a kind of antioxidation coating material of Nano silicate that is used for annealing billet in series, and this coating is that 20-30% composite adhesive, 8-12% composite phosphate solidifying agent, 58-72% Smecta filler are formed by weight percent.Be characterized in: high temperature resistant 1500 ℃; The curing in ten minutes of billet surface normal temperature is not directly sprayed in any way surface treatment, mutual collision friction, and soft or hard has concurrently; Before the various annealing billet hot rollings of spraying,, and improve surface quality through shrend several seconds coating autospasy, from from not staying the coating vestige; Can reduce the loss on ignition of various steel.Yet this steel billet antioxidant coating complex manufacturing is unfavorable for large-scale promotion application.
Chinese patent CN101265372A discloses a kind of stainless steel high temperature oxidation resistance paint and application thereof; inorganic mineral powder is that in wilkinite, diatomite, sepiolite, rectorite leng, polynite, vermiculite, flyash, red mud and the kaolin one or more mix with arbitrary proportion in this coating; be applicable to the anti-oxidation/decarburization when heating in 800～1500 ℃/0.5～30 hour of nickel chromium stainless steel base; though yet this coating system is cheap; but raw material relates to many mineral; the stability of mineral constituent will directly influence the effect of coating, be unfavorable for the mass-producing application.
Can see, though these high-temperature resistant coatings that use all have the good high-temperature protective effect to specified steel to a certain extent at present, but at the characteristic of nickel chromium stainless steel production technique, limitation has to a certain degree all been received in the practical application of these coating.
At the scaling loss of producing stainless steel process and the practical situation of surface quality deterioration, can realize reducing the steel piece surface oxidization burning loss more than 90% in the research and development application process, realize that surface-element dilution phenomenon reduces 80%, reduce rolled stainless steel process albefaction technology difficulty, the high-temperature resistant coating that improves rhythm of production and finished product rate will reduce process cost for stainless steel manufacturing and processing enterprise, create considerable economic.
Summary of the invention:
Produce technical problems such as iron scale, alligatoring and surperficial micro-dilution, decarburization when the present invention is directed to before the nickel-chromium stainless steel piece hot rolling heat treated, a kind of heat-resistant nano-paint that is used for surface performance optimization of nickel-chromium stainless steel piece is provided.
The technical solution adopted for the present invention to solve the technical problems is: a kind of heat-resistant nano-paint of surface performance optimization of nickel-chromium stainless steel piece is to make water paste in 1-5 hour through the ball mill ball milling again after liquid inorganic paint is mixed; Described liquid inorganic paint is by nano-aluminium oxide 25%-30%, nano-manganese dioxide 10%-15%, and nanometer molybdic oxide 1%-5%, nano silicon 1%-5%, boron oxide 15%-20% and water 25%-48% form.
Further: the fineness of described aluminium sesquioxide, Manganse Dioxide, molybdic oxide, silicon-dioxide is nano level, nanoscale scope 50-100 nanometer.
Compared with prior art, advantage of the present invention and positively effect fully show as the high-temperature resistant coating that is used for the nickel chromium stainless steel surface performance optimization of the present invention, be widely used in of the surfacecti proteon of various nickel chromium stainless steel spares 800～1400 ℃/2～50 hours heat-processed, the ceramic of compact attitude coating that generates after the thermal treatment is peeled off automatically, and smooth no decarburization of steel slab surface and alloying element do not have leakage; This coating is applicable to nickel chromium stainless steel surfacecti proteon to the steel part matrix in thermal treatment, forging and pressing, hot rolling, roll-forming heat-processed; under 1300 ℃ of following oxidizing atmospheres, use this coating protection, can reach the protection effect of heating under vacuum or protective atmosphere heating.This product has environmental friendliness, preparation is simple, easy to use, need not to remove in advance the operation of matrix surface, the anti-scorching effect promptly reduces the matrix surface oxidization burning loss and reaches more than the 80%-95%, after coming out of the stove, after matrix surface was removed the small amounts iron sheet, surface quality did not almost change, and had reduced surface finish workload and polishing loss, even pickling or the ball blast technology that white skin is eliminated squama, the white skin stainless steel product of direct production have directly been reduced.
Embodiment:
Embodiment 1
Get the 25g nano aluminium oxide respectively, the nano-manganese dioxide of 12g, the nano oxidized molybdenum of 3g, the nano silicon oxide of 2g, the boron oxide of 16g mixes stirring with 42g water, promptly obtains suspension good heat-resistance coating in 3 hours through the ball mill ball milling again.
With the surface of this paint spay-coating, promptly form one deck beige supercoat in 316 stainless steel parts.After 2 hours, the iron scale behind the coating protection does not add the obvious attenuate of iron scale of coating protection through 1250 ℃ of thermal treatments, and the oxidization burning loss rate reduces more than 90%, and coating can peel off naturally, and it is evenly bright and clean to peel off the back matrix surface, noresidue.
Embodiment 2
Get the 30g nano aluminium oxide respectively, the nano-manganese dioxide of 10g, the nano oxidized molybdenum of 5g, the nano silicon oxide of 3g, the boron oxide of 18g mixes stirring with 34g water, promptly obtains suspension good heat-resistance coating slurry in 5 hours through the ball mill ball milling again.
With the surface of this paint spay-coating, promptly form one deck grey black supercoat in 321 stainless steel parts.After 10 hours, the iron scale behind the coating protection does not add the obvious attenuate of iron scale of coating protection through 1300 ℃ of thermal treatments, and the oxidization burning loss rate reduces more than 85%, and matrix surface is evenly bright and clean behind the disbonding, noresidue.
Embodiment 3
Get the 26g nano aluminium oxide respectively, the nano-manganese dioxide of 11g, the nano oxidized molybdenum of 3g, the nano silicon oxide of 4g, the boron oxide of 15g mixes stirring with 40g water, promptly obtains suspension good heat-resistance coating slurry in 1 hour through the ball mill ball milling again.
With the surface of this paint spay-coating, promptly form one deck grey black supercoat in 304 stainless steel parts.After 4 hours, the iron scale behind the coating protection does not add the obvious attenuate of iron scale of coating protection through 1300 ℃ of thermal treatments, and the oxidization burning loss rate reduces more than 92%, and matrix surface is evenly bright and clean bright in vain behind the disbonding, noresidue.
Claims (2)
1. heat-resistant nano-paint that is used for surface performance optimization of nickel-chromium stainless steel piece is characterized in that: the heat-resistant nano-paint of described surface performance optimization of nickel-chromium stainless steel piece is to make water paste in 1-5 hour through the ball mill ball milling again after will liquid inorganic paint mixing; Described liquid inorganic paint is by nano-aluminium oxide 25%-30%, nano-manganese dioxide 10%-15%, and nanometer molybdic oxide 1%-5%, nano silicon 1%-5%, boron oxide 15%-20% and water 25%-48% form.
2. a kind of heat-resistant nano-paint that is used for surface performance optimization of nickel-chromium stainless steel piece according to claim 1, it is characterized in that: the fineness of described aluminium sesquioxide, Manganse Dioxide, molybdic oxide, silicon-dioxide is nano level, nanoscale scope 50-100 nanometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010102320XA CN101787228B (en) | 2010-01-28 | 2010-01-28 | Heat-resistant nano-paint used for surface performance optimization of nickel-chromium stainless steel piece |
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| CN201010102320XA CN101787228B (en) | 2010-01-28 | 2010-01-28 | Heat-resistant nano-paint used for surface performance optimization of nickel-chromium stainless steel piece |
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| Publication Number | Publication Date |
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| CN101787228A true CN101787228A (en) | 2010-07-28 |
| CN101787228B CN101787228B (en) | 2012-02-22 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140265A (en) * | 2010-11-19 | 2011-08-03 | 吴江龙泾红贝家装有限公司 | Stainless steel high-temperature resistant coating |
| CN102766742A (en) * | 2011-05-06 | 2012-11-07 | 中国科学院过程工程研究所 | Oxidation and decarburization resistant coating powder for high-carbon chromium bearing steel heating process |
| CN104017397A (en) * | 2014-05-27 | 2014-09-03 | 中国科学院过程工程研究所 | High-temperature protective coating for nickel base alloy steel |
| CN104877397A (en) * | 2015-05-21 | 2015-09-02 | 石家庄炳欣冶金炉料有限公司 | High-temperature protective coating for steel billets and applications thereof |
| CN108047807A (en) * | 2017-12-26 | 2018-05-18 | 同光（江苏）新材料科技有限公司 | A kind of aqueous boron oxide slurry |
| CN113354963A (en) * | 2021-05-14 | 2021-09-07 | 北京科技大学 | Graphene-containing anti-oxidation decarbonization coating and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1182075C (en) * | 2003-04-23 | 2004-12-29 | 北京嘉邦环保工程技术有限责任公司 | High temperature binding agent for compact ceramic fiber and its making-up method |
| DE102006028963B4 (en) * | 2006-06-16 | 2013-08-29 | Ltn Nanovation Ag | High temperature stable layers or coatings and composition for their preparation |
| CN101426938B (en) * | 2007-01-31 | 2010-06-02 | 中国科学院过程工程研究所 | An anti-oxidation coating for steel and method of protecting steel from oxidation |
| CN101265372B (en) * | 2008-04-26 | 2010-08-11 | 山西玺汇科技有限公司 | Stainless steel high temperature oxidation resistance paint and application thereof |
-
2010
- 2010-01-28 CN CN201010102320XA patent/CN101787228B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140265A (en) * | 2010-11-19 | 2011-08-03 | 吴江龙泾红贝家装有限公司 | Stainless steel high-temperature resistant coating |
| CN102766742A (en) * | 2011-05-06 | 2012-11-07 | 中国科学院过程工程研究所 | Oxidation and decarburization resistant coating powder for high-carbon chromium bearing steel heating process |
| CN102766742B (en) * | 2011-05-06 | 2013-07-10 | 中国科学院过程工程研究所 | Oxidation and decarburization resistant coating powder for high-carbon chromium bearing steel heating process |
| CN104017397A (en) * | 2014-05-27 | 2014-09-03 | 中国科学院过程工程研究所 | High-temperature protective coating for nickel base alloy steel |
| CN104017397B (en) * | 2014-05-27 | 2016-06-29 | 中国科学院过程工程研究所 | A kind of high temp. protective coating for Nickel-Based Steel |
| CN104877397A (en) * | 2015-05-21 | 2015-09-02 | 石家庄炳欣冶金炉料有限公司 | High-temperature protective coating for steel billets and applications thereof |
| CN108047807A (en) * | 2017-12-26 | 2018-05-18 | 同光（江苏）新材料科技有限公司 | A kind of aqueous boron oxide slurry |
| CN113354963A (en) * | 2021-05-14 | 2021-09-07 | 北京科技大学 | Graphene-containing anti-oxidation decarbonization coating and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN101787228B (en) | 2012-02-22 |
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