CN104073048B - For the high temp. protective coating of titanium and the production method of application and titanium ingot thereof - Google Patents
For the high temp. protective coating of titanium and the production method of application and titanium ingot thereof Download PDFInfo
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Abstract
The invention discloses a kind of high temp. protective coating for titanium, obtain after the described high temp. protective coating for titanium is mixed by a kind of raw mixture, described raw mixture contains oxidation protection agent and oiliness membrane-forming agent; Described oxidation protection agent contains Al powder, Fe powder and Cu powder, and the weight ratio of Al powder, Fe powder and Cu powder is 1:0.01-0.1:0.01-0.1.Also disclose as above for the application of high temp. protective coating in titanium ingot is produced and the production method of titanium ingot of titanium.High temp. protective coating for titanium of the present invention, can ensure titanium ingot not oxidized cracking in constant temperature 8h surface under 1000 DEG C of high temperature, greatly can reduce the formation of dissolved oxygen layer; There is environmental protection effect; Preparation technology is simple; Multiple coating method can be adopted.The production method of titanium ingot of the present invention has good economic benefit and social benefit.
Description
Technical field
The present invention relates to high-temperature-resistant coating for metal field, particularly, relate to a kind of high temp. protective coating for titanium, and this is used for the application of high temp. protective coating in titanium ingot is produced of titanium, and a kind of production method of titanium ingot.
Background technology
Titanium ingot generally wants annealed process in process of production, annealing generally will be carried out under the high temperature of about 900 DEG C, and at high temperature, oxygen can enter titanium ingot surface, forming hard dissolved oxygen layer, will there is the deep torn grain of about degree of depth 20mm in titanium ingot with upper surface at 900 DEG C of heating 4h.For the follow-up rolling of guarantee titanium pipe and the surface quality of hot rolling titanium plate, need to cut and grinding process titanium ingot in the operation of rolling, to remove crackle and dissolved oxygen layer, loss is larger like this.Because titanium ingot reacts obtained by titanium sponge, the cracking part of titanium ingot in heat-processed and dissolved oxygen layer are removed, has a strong impact on cost and the lumber recovery of titanium material, therefore need to carry out high temperature protection to titanium ingot.
Carry out high temperature protection to titanium ingot, the platinum ion plating of titanium surface can protect titanium not oxidized at 650 DEG C according to the study, but can not meet the high temperature requirement of annealing far away; The MCrAlY alloy with outstanding oxidation-resistance by spray or evaporation coating on Titanium base, but this also exists and to form congruent melting compound with titanium and increase and the formation problem of phase diffusion layer in titanium production heat-processed; When traditional anti-oxidation protection Paint Boron silicate glass base coating applies to titanium, the formation of oxide compound is had certain effect, but the object preventing dissolved oxygen layer from being formed can not be reached.Current useful aluminium, as the aluminium base oxidation protection coating of oxidation inhibitor, for titanium, have certain effect, but effect is still undesirable to the formation of oxide compound and dissolved oxygen layer, and due to viscosity lower, can only spray during use, can not brush, limit its application.
Therefore, need one can effectively prevent titanium ingot surface dissolved oxygen layer and crackle from being formed, thus greatly reduce the high temp. protective coating of titanium ingot production cost.
Summary of the invention
The object of the invention is to overcome the dissatisfactory defect of the protection of existing high temp. protective coating to titanium ingot, the production method of a kind of new high temp. protective coating for titanium and application and titanium ingot is provided.
The present inventor finds under study for action, containing Al powder, Fe powder and Cu powder are as oxidation protection agent, and Al powder, the weight ratio of Fe powder and Cu powder is 1:0.01-0.1:0.01-0.1, the high temp. protective coating for titanium obtained after raw mixture containing this oxidation protection agent and oiliness membrane-forming agent mixes, titanium ingot not oxidized cracking in constant temperature 8h surface under 1000 DEG C of high temperature can be ensured, and greatly can reduce the formation of dissolved oxygen layer, effectively can reduce production cost and improve productivity effect, and this high temp. protective coating being used for titanium can adopt pneumatic spraying, vacuum spraying, the multiple coating methods such as brushing, easy to use.
Therefore, to achieve these goals, on the one hand, the invention provides a kind of high temp. protective coating for titanium, obtain after the described high temp. protective coating for titanium is mixed by a kind of raw mixture, described raw mixture contains oxidation protection agent and oiliness membrane-forming agent; Described oxidation protection agent contains Al powder, Fe powder and Cu powder, and the weight ratio of Al powder, Fe powder and Cu powder is 1:0.01-0.1:0.01-0.1.
Preferably, the weight ratio of Al powder, Fe powder and Cu powder is 1:0.05-0.07:0.05-0.07.
Second aspect, the invention provides as above for the application of high temp. protective coating in titanium ingot is produced of titanium.
The third aspect; the invention provides a kind of production method of titanium ingot; described method is included in before titanium ingot carries out anneal, and be used for the high temp. protective coating of titanium in the surface-coated of titanium ingot, the described high temp. protective coating for titanium is as above for the high temp. protective coating of titanium.
High temp. protective coating for titanium of the present invention, can ensure titanium ingot not oxidized cracking in constant temperature 8h surface under 1000 DEG C of high temperature, and greatly can reduce the formation of dissolved oxygen layer, effectively can reduce production cost, improve lumber recovery and the production efficiency of titanium material.Such as, to climb steel, rolling titanium section product, design annual output 10000 tons of production capacities, with each titanium ingot (semifinished product) 7.5 tons calculating, will produce the titanium billet of about 1300 every year, each titanium ingot is of a size of: thickness 0.28m, length 7.5m, width 1.25m; Each titanium ingot gross area is about 25m
2, approximately produce 32500m every year
2, the coat-thickness of the high temp. protective coating for titanium of the present invention is 0.2-0.4mm; Every square meter approximately uses 200-400g, accumulative annual use coating about 6.5 tons-13 tons.Zone of oxidation cracking 20mm depth calculation is there is with each titanium ingot; each titanium ingot will machine away 100-200 kilogram; with the calculating of 80000 yuan/ton, titanium ingot; each titanium ingot is lost between 8000-16000 unit because of oxidation cutting tip, meanwhile, a large amount of human and material resources also will be spent to cut; extra increase production cost and production time; and adopting the high temp. protective coating for titanium of the present invention, the price of coating calculates, every year by saving production cost about 13,650,000 yuan by 200 yuan/Kg.
High temp. protective coating for titanium of the present invention, not containing the harmful element limited in RoHS quality in coating, meanwhile, this high temp. protective coating being used for titanium does not have toxic substance to volatilize in atmosphere, does not affect environmental protection effect of construction environment etc.
High temp. protective coating preparation technology for titanium of the present invention is simple, extemporaneous preparation when can use, and the preparation time is short, simple possible; Also after can preparing production, at room temperature store, coating stabilization shelf-stability can reach more than 6 months, there will be precipitation, demixing phenomenon, but shaking up or re-start stirring during use can use.
High temp. protective coating for titanium of the present invention, can adopt the multiple coating methods such as pneumatic spraying, vacuum spraying, brushing, easy to use.
The production method of titanium ingot of the present invention has good economic benefit and social benefit, in titanium plate and titanium pipe production industry, have comparatively wide popularizing application prospect.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Fig. 1 is the photo of titanium ingot surface after embodiment 1 rolling.
Fig. 2 is the photo of titanium ingot surface after comparative example 1 rolling.
Fig. 3 is the photo of titanium ingot surface after comparative example 2 rolling.
Fig. 4 is the Hardness Distribution of titanium ingot surface after each embodiment and comparative example rolling.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
On the one hand, the invention provides a kind of high temp. protective coating for titanium, obtain after this high temp. protective coating being used for titanium is mixed by a kind of raw mixture, raw mixture contains oxidation protection agent and oiliness membrane-forming agent; Oxidation protection agent contains Al powder, Fe powder and Cu powder, and the weight ratio of Al powder, Fe powder and Cu powder is 1:0.01-0.1:0.01-0.1.
According to the present invention, although this high temp. protective coating being used for titanium obtains after being mixed by a kind of raw mixture, raw mixture contains oxidation protection agent and oiliness membrane-forming agent; Oxidation protection agent contains Al powder, Fe powder and Cu powder; the weight ratio of Al powder, Fe powder and Cu powder is 1:0.01-0.1:0.01-0.1; object of the present invention can be realized; titanium ingot not oxidized cracking in constant temperature 8h surface under 1000 DEG C of high temperature can be ensured; the formation of very big minimizing dissolved oxygen layer; and this high temp. protective coating being used for titanium can adopt the multiple coating methods such as pneumatic spraying, vacuum spraying, brushing, easy to use.But under preferable case, the weight ratio of Al powder, Fe powder and Cu powder is 1:0.05-0.07:0.05-0.07, can reduce the formation of dissolved oxygen layer further.Therefore, preferably, the weight ratio of Al powder, Fe powder and Cu powder is 1:0.05-0.07:0.05-0.07.
In the present invention, for the content of Fe powder and Cu powder, can be identical, also can be different, as long as content is in above-mentioned ratio range.
In the present invention, relative to the oxidation protection agent of 1 weight part, in solid, the consumption of oiliness membrane-forming agent is preferably 0.025-0.1 weight part.Under this preferable case; the pH value of the high temp. protective coating for titanium of the present invention can be made to be 7.5-9.5, and solid content is 85-90 % by weight, is directly coated in titanium ingot surface online; energy rapid solidification; form self-drying type coating, and due to solid content high, there will not be rete to trickle phenomenon; coating tack is very good; no matter when wet film or dry film, coating tack can meet the needs of titanium ingot roller-way bobbing machine friction, there will not be coating scaling or dry linting phenomenon.
In the present invention, for oiliness membrane-forming agent without particular requirement, can adopt the various oiliness membrane-forming agents that this area is conventional, such as, oiliness membrane-forming agent can be selected from least one in oiliness epoxy resin, polyurethane paint, acrylic latex coating and alkyd paint.But the present inventor finds under study for action, when oiliness membrane-forming agent is preferably oiliness epoxy resin, the formation of dissolved oxygen layer can be reduced further.Therefore, oiliness membrane-forming agent is preferably oiliness epoxy resin, and for the solid content of oiliness epoxy resin without particular requirement, can adopt the oiliness epoxy resin that this area is conventional, the solid content of oiliness epoxy resin is preferably 40-60 % by weight.
In order to improve the tack of the high temp. protective coating for titanium of the present invention at titanium ingot surface further; raw mixture of the present invention is preferably also containing one or more in solidifying agent, dispersion agent and thinner; more preferably containing solidifying agent, dispersion agent and thinner; relative to the oxidation protection agent of 1 weight part; the consumption of solidifying agent is preferably 0.001-0.003 weight part; the consumption of dispersion agent is preferably 0.0005-0.001 weight part, and the consumption of thinner is preferably 0.003-0.008 weight part.
In the present invention, for the respective concrete material of solidifying agent, dispersion agent, thinner without particular requirement, various solidifying agent, dispersion agent, thinner that this area is conventional can be adopted.Such as, solidifying agent can be SiO
2, dispersion agent can be polyvinyl alcohol, Polyvinylpyrolidone (PVP), polyoxyethylene etc., and thinner can select applicable thinner according to oiliness membrane-forming agent used, this is conventionally known to one of skill in the art, does not repeat them here.
For the preparation method of the high temp. protective coating for titanium of the present invention without particular requirement, the various methods that this area is conventional can be adopted, as long as each component mixed.But the present inventor finds under study for action, adopt with the following method for the preparation of the high temp. protective coating of titanium, each component can be made to be mixed to get evenly.Concrete grammar is: first oiliness membrane-forming agent and mixing diluents are diluted, and then under agitation, slowly adds oxidation protection agent, and then adds solidifying agent, stir, then add dispersion agent, be stirred in mutually uniform and stable.
Second aspect, the invention provides as above for the application of high temp. protective coating in titanium ingot is produced of titanium.
The third aspect; the invention provides a kind of production method of titanium ingot; the method is included in before titanium ingot carries out anneal, and be used for the high temp. protective coating of titanium in the surface-coated of titanium ingot, the high temp. protective coating for titanium is as above for the high temp. protective coating of titanium.
In the present invention, for anneal without particular requirement, can adopt the annealing treating process of this area routine, such as, annealing temperature is 800-1000 DEG C, and annealing time is 4-8h.
In the present invention, for the mode applied without particular determination, such as, can comprise pneumatic spraying, vacuum spraying, brushing etc.
In the present invention, the thickness of the photopolymer layer that the amount that the high temp. protective coating for titanium applies is formed after preferably making the high temp. protective coating solidification for titanium is 0.2-0.4mm.When the thickness of photopolymer layer is less than 0.2mm, titanium ingot can not get sufficient high temperature protection, and when the thickness of photopolymer layer is more than 0.4mm, cost raises.
What those skilled in the art should understand that is, process will be rolled after titanium ingot carries out anneal, for the condition of rolling process without particular requirement, the normal condition of this area can be adopted, such as, the condition of rolling comprises: the rolling carrying out 10 passages after annealing, and each percentage pass reduction is approximately 20mm.
Embodiment
The present invention is further illustrated for following embodiment, but therefore do not limit the present invention.
In the following Examples and Comparative Examples:
Titanium ingot: thickness 0.28m, length 7.5m, width 1.25m.
Oiliness epoxy resin: be purchased from Beijing Zhen Chuan construction work company limited.
Determination of solid content method: GB-T2793-1995.
PH value measuring method: adopt pH meter (being purchased from Shanghai INESA Scientific Instrument Co., Ltd., thunder magnetic PHSJ-5 type) to measure.
Titanium ingot surface measurement of hardness method: GB/T14235.5-1993.
The rolling of 10 passages is carried out in rolling after being annealing, each percentage pass reduction is 20mm.
Embodiment 1
The present embodiment is for illustration of the production method of the high temp. protective coating for titanium of the present invention and titanium ingot.
(1) under normal temperature and pressure (25 DEG C, 0.1MPa), take 100g oiliness epoxy resin (solid content 50 % by weight) and be placed in container;
(2) (be purchased from Changzhou Ming Tai Chemical Industry Science Co., Ltd, model: 207), stirs to add 5g polypropylene glycol diglycidyl ether;
(3) take 800gAl powder, 50gFe powder and 50gCu powder, under agitation, slowly add in container;
(4) 1gSiO is taken
2, add in container, and stir;
(5) taking 0.5g polyvinyl alcohol (being purchased from Qingdao An Mao International Trading Company Ltd, Z-200) adds in container, stirs, treats that liquid is uniform and stable phase, obtain the high temp. protective coating A1 for titanium.
The solid content measuring the high temp. protective coating A1 being used for titanium is 88%, and pH value is 8.5.
The high temp. protective coating A1 automatization spray gun being used for titanium (is purchased from Tianjin Tuo Bao Science and Technology Ltd.; model: 006_1589; following examples and comparative example are together) be sprayed at titanium ingot surface; the amount of spraying makes the thickness of the rear photopolymer layer formed of high temp. protective coating solidification for titanium be 0.3mm; spontaneous curing after placement 5min at normal temperatures and pressures; then titanium ingot is sent into annealing furnace; thermostatically heating 8h at 1000 DEG C; then be rolled; after rolling, Fig. 1 is shown in by the photo of titanium ingot surface, and the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Embodiment 2
The present embodiment is for illustration of the production method of the high temp. protective coating for titanium of the present invention and titanium ingot.
(1) under normal temperature and pressure (25 DEG C, 0.1MPa), take 54g oiliness epoxy resin (solid content 40 % by weight) and be placed in container;
(2) (be purchased from Changzhou Ming Tai Chemical Industry Science Co., Ltd, model: 501), stirs to add 2.6g epoxy propane butyl ether;
(3) take 770gAl powder, 40gFe powder and 40gCu powder, under agitation, slowly add in container;
(4) 1.7gSiO is taken
2, add in container, and stir;
(5) taking 0.68g Polyvinylpyrolidone (PVP) (being purchased from Guangzhou Ba Tai Chemical Co., Ltd., PVPK90) adds in container, stirs, treats that liquid is uniform and stable phase, obtain the high temp. protective coating A2 for titanium.
The solid content measuring the high temp. protective coating A2 being used for titanium is 86%, and pH value is 8.2.
To the high temp. protective coating A2 automatization spray gun spraying of titanium be used in titanium ingot surface; the amount of spraying makes the thickness of the rear photopolymer layer formed of high temp. protective coating solidification for titanium be 0.2mm; spontaneous curing after placement 5min at normal temperatures and pressures; then titanium ingot is sent into annealing furnace; thermostatically heating 4h at 900 DEG C; then be rolled, same Fig. 1 of the photo of titanium ingot surface after rolling, the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Embodiment 3
The present embodiment is for illustration of the production method of the high temp. protective coating for titanium of the present invention and titanium ingot.
(1) under normal temperature and pressure (25 DEG C, 0.1MPa), take 141g oiliness epoxy resin (solid content 60 % by weight) and be placed in container;
(2) (be purchased from Changzhou Ming Tai Chemical Industry Science Co., Ltd, model: 669), stirs to add 6.8g ethylene glycol diglycidylether;
(3) take 746gAl powder, 52gFe powder and 52gCu powder, under agitation, slowly add in container;
(4) 2.55gSiO is taken
2, add in container, and stir;
(5) taking 0.85g polyoxyethylene (be purchased from and attack green gram of novel material science and technology (Shanghai) Co., Ltd., PEO-5) adds in container, stirs, treats that liquid is uniform and stable phase, obtain the high temp. protective coating A3 for titanium.
The solid content measuring the high temp. protective coating A3 being used for titanium is 85%, and pH value is 7.5.
To the high temp. protective coating A3 automatization spray gun spraying of titanium be used in titanium ingot surface; the amount of spraying makes the thickness of the rear photopolymer layer formed of high temp. protective coating solidification for titanium be 0.4mm; spontaneous curing after placement 5min at normal temperatures and pressures; then titanium ingot is sent into annealing furnace; thermostatically heating 6h at 800 DEG C; then be rolled, same Fig. 1 of the photo of titanium ingot surface after rolling, the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Embodiment 4
The present embodiment is for illustration of the production method of the high temp. protective coating for titanium of the present invention and titanium ingot.
According to embodiment 1 method for the preparation of titanium high temp. protective coating and carry out the production of titanium ingot, the consumption of to be the consumption of 882g, Fe powder be 9g, the Cu powder of the consumption unlike, Al powder is 9g.Obtain the high temp. protective coating A4 for titanium, the solid content measuring the high temp. protective coating A4 being used for titanium is 85%, and pH value is 7.7.Same Fig. 1 of the photo of titanium ingot surface after rolling, the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Embodiment 5
The present embodiment is for illustration of the production method of the high temp. protective coating for titanium of the present invention and titanium ingot.
According to embodiment 1 method for the preparation of titanium high temp. protective coating and carry out the production of titanium ingot, the consumption of to be the consumption of 750g, Fe powder be 75g, the Cu powder of the consumption unlike, Al powder is 75g.Obtain the high temp. protective coating A5 for titanium, the solid content measuring the high temp. protective coating A5 being used for titanium is 90%, and pH value is 9.3.Same Fig. 1 of the photo of titanium ingot surface after rolling, the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Embodiment 6
The present embodiment is for illustration of the production method of the high temp. protective coating for titanium of the present invention and titanium ingot.
According to embodiment 1 method for the preparation of titanium high temp. protective coating and carry out the production of titanium ingot; unlike; oiliness epoxy resin is replaced with polyurethane paint and (be purchased from Guangzhou Di Fukale foreign trade company limited; PK-336), and by polypropylene glycol diglycidyl ether replace with urethane thinner (being purchased from Wuhan chemical).Obtain the high temp. protective coating A6 for titanium, the solid content measuring the high temp. protective coating A6 being used for titanium is 88%, and pH value is 9.1.Same Fig. 1 of the photo of titanium ingot surface after rolling, the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Comparative example 1
According to embodiment 1 method for the preparation of titanium high temp. protective coating and carry out the production of titanium ingot; unlike, by the Al powder of the weight such as Fe powder and Cu powder replace with, obtain the high temp. protective coating D1 for titanium; the solid content measuring the high temp. protective coating D1 being used for titanium is 90%, and pH value is 8.5.After rolling, Fig. 2 is shown in by the photo of titanium ingot surface, and the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Comparative example 2
Titanium ingot surface does not spray the high temp. protective coating for titanium, directly sends into annealing furnace, and thermostatically heating 8h at 1000 DEG C, is then rolled, and after rolling, Fig. 3 is shown in by the photo of titanium ingot surface, and the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Fig. 1, Fig. 2, Fig. 3 are compared and can find out, spray the high temp. protective coating for titanium of the present invention, after rolling, titanium ingot surface is smooth, flawless; The agent of spraying oxidation protection is the high temp. protective coating for titanium of Al powder, and after rolling, crackle appears in titanium ingot surface; The high temp. protective coating that titanium ingot surface does not spray for titanium directly carries out anneal, and after rolling, comparatively deep torn grain appears in titanium ingot surface, even partial exfoliation.
The normal consistency Hv of titanium ingot is about 120, if form dissolved oxygen layer in annealing process, then the hardness of titanium ingot surface can be made to increase.As can be seen from Figure 4, apply the high temp. protective coating for titanium of the present invention, can make the titanium ingot after rolling case depth at 1mm at the most time, hardness Hv can be made to reach about 120, illustrate and adopt the high temp. protective coating for titanium of the present invention, the thickness of the dissolved oxygen layer that titanium ingot can be made to be formed in annealing process is at most 1mm; And adopting the oxidation protection agent of comparative example 1 to be the high temp. protective coating for titanium of Al powder, case depth just makes hardness Hv reach about 120 when 2.5mm, illustrate that the thickness of the dissolved oxygen layer formed is 2.5mm; Comparative example 2; titanium ingot surface does not apply the high temp. protective coating for titanium, directly carries out anneal, just makes hardness Hv reach about 120 when case depth is 6mm; the high temp. protective coating do not applied for titanium is described, titanium ingot will form the dissolved oxygen layer of about 6mm in annealing process.Visible, apply the high temp. protective coating for titanium of the present invention, greatly can reduce the formation of dissolved oxygen layer.
Embodiment 1 is compared can find out with embodiment 4 and embodiment 5 respectively; be 1:0.05-0.07:0.05-0.07 for the weight ratio of Al powder, Fe powder and Cu powder in the oxidation protection agent that the high temp. protective coating of titanium is used, the formation of dissolved oxygen layer can be reduced further.Embodiment 1 and embodiment 6 are compared and can find out, the oiliness membrane-forming agent employing oiliness epoxy resin that the high temp. protective coating for titanium is used, the formation of dissolved oxygen layer can be reduced further.
High temp. protective coating for titanium of the present invention, can ensure titanium ingot not oxidized cracking in constant temperature 8h surface under 1000 DEG C of high temperature, and greatly can reduce the formation of dissolved oxygen layer, effectively can reduce production cost, improve lumber recovery and the production efficiency of titanium material; Not containing the harmful element limited in RoHS quality in coating, meanwhile, this high temp. protective coating being used for titanium does not have toxic substance to volatilize in atmosphere, does not affect environmental protection effect of construction environment etc.; Preparation technology is simple, extemporaneous preparation when can use, and the preparation time is short, simple possible, also after can preparing production, at room temperature store, coating stabilization shelf-stability can reach more than 6 months, there will be precipitation, demixing phenomenon, but shaking up or re-start stirring during use can use; The multiple coating methods such as pneumatic spraying, vacuum spraying, brushing can be adopted, easy to use.The production method of titanium ingot of the present invention has good economic benefit and social benefit, in titanium plate and titanium pipe production industry, have comparatively wide popularizing application prospect.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (7)
1. for a high temp. protective coating for titanium, it is characterized in that, obtain after the described high temp. protective coating for titanium is mixed by a kind of raw mixture, described raw mixture contains oxidation protection agent and oiliness membrane-forming agent; Described oxidation protection agent contains Al powder, Fe powder and Cu powder; the weight ratio of Al powder, Fe powder and Cu powder is 1:0.05-0.07:0.05-0.07; relative to the described oxidation protection agent of 1 weight part; in solid; the consumption of described oiliness membrane-forming agent is 0.025-0.1 weight part, and described oiliness membrane-forming agent is oiliness epoxy resin.
2. the high temp. protective coating for titanium according to claim 1, wherein, described raw mixture is also containing one or more in solidifying agent, dispersion agent and thinner.
3. the high temp. protective coating for titanium according to claim 2; wherein; described raw mixture contains solidifying agent, dispersion agent and thinner; relative to the described oxidation protection agent of 1 weight part; the consumption of described solidifying agent is 0.001-0.003 weight part; the consumption of described dispersion agent is 0.0005-0.001 weight part, and the consumption of described thinner is 0.003-0.008 weight part.
4. the application of high temp. protective coating in titanium ingot is produced for titanium in claim 1-3 described in any one.
5. the production method of a titanium ingot; it is characterized in that; described method is included in before titanium ingot carries out anneal; the high temp. protective coating of titanium is used in the surface-coated of titanium ingot; wherein, the described high temp. protective coating for titanium is the high temp. protective coating for titanium in claim 1-3 described in any one.
6. method according to claim 5, wherein, the mode of coating comprises pneumatic spraying, vacuum spraying, brushing.
7. method according to claim 5, wherein, the thickness of the photopolymer layer that the amount that the described high temp. protective coating for titanium applies is formed after making the solidification of the described high temp. protective coating for titanium is 0.2-0.4mm.
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| CN105969085B (en) * | 2016-07-27 | 2018-12-21 | 攀钢集团研究院有限公司 | Oiliness steel-titanium barrier coating and its application |
| CN106085132B (en) * | 2016-07-27 | 2018-12-21 | 攀钢集团研究院有限公司 | Steel-titanium coating and its application is isolated in oiliness |
| CN105969089B (en) * | 2016-07-27 | 2018-12-21 | 攀钢集团研究院有限公司 | The anti-titanium of oiliness-steel bonding coating and its application |
| CN105969093B (en) * | 2016-07-27 | 2018-12-25 | 攀钢集团研究院有限公司 | The anti-sticking titanium coating of oiliness and its application |
| CN114149705A (en) * | 2021-09-07 | 2022-03-08 | 湖州玖丰新材料科技有限公司 | Manufacturing process of environment-friendly skin-feel paint |
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| CN104073048A (en) | 2014-10-01 |
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