CN104151911B - The production method of oiliness protective cover and application and titanium ingot - Google Patents
The production method of oiliness protective cover and application and titanium ingot Download PDFInfo
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- CN104151911B CN104151911B CN201410312367.7A CN201410312367A CN104151911B CN 104151911 B CN104151911 B CN 104151911B CN 201410312367 A CN201410312367 A CN 201410312367A CN 104151911 B CN104151911 B CN 104151911B
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Abstract
The invention discloses a kind of oiliness protective cover, described oiliness protective cover obtains after being mixed by a kind of raw mixture, and described raw mixture contains oxidation protection agent and oiliness membrane-forming agent; Described oxidation protection agent contains Al powder and Sn powder, and the weight ratio of Al powder and Sn powder is 1:0.01-0.1.Also disclose the application of oiliness protective cover as above in titanium ingot is produced and the production method of titanium ingot.Oiliness protective cover 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, improve lumber recovery and the production efficiency of titanium material; Do not affect environmental protection effect of construction environment etc.; Preparation technology is simple; The multiple coating methods such as pneumatic spraying, vacuum spraying, brushing can be adopted.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.
Description
Technical field
The present invention relates to high-temperature-resistant coating for metal field, particularly, relate to a kind of oiliness protective cover, and the application of this oiliness protective cover in titanium ingot is produced, 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 protective cover 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 protective cover to titanium ingot, the production method of a kind of new oiliness protective cover and application and titanium ingot is provided.
The present inventor finds under study for action; containing Al powder and Sn powder as oxidation protection agent; and the weight ratio of Al powder and Sn powder is 1:0.01-0.1; the oiliness protective cover 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 oiliness protective cover can adopt the multiple coating methods such as pneumatic spraying, vacuum spraying, brushing, easy to use.
Therefore, to achieve these goals, on the one hand, the invention provides a kind of oiliness protective cover, described oiliness protective cover obtains after being mixed by a kind of raw mixture, and described raw mixture contains oxidation protection agent and oiliness membrane-forming agent; Described oxidation protection agent contains Al powder and Sn powder, and the weight ratio of Al powder and Sn powder is 1:0.01-0.1.
Preferably, the weight ratio of Al powder and Sn powder is 1:0.05-0.07.
Second aspect, the invention provides the application of oiliness protective cover as above in titanium ingot is produced.
The third aspect, the invention provides a kind of production method of titanium ingot, and described method is included in before titanium ingot carries out anneal, and at the surface-coated oiliness protective cover of titanium ingot, described oiliness protective cover is oiliness protective cover as above.
Oiliness protective cover 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 oiliness protective cover 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 oiliness protective cover of the present invention, the price of coating calculates, every year by saving production cost about 1,365 ten thousand yuan by 200 yuan/Kg.
Oiliness protective cover of the present invention, not containing the harmful element limited in RoHS quality in coating, meanwhile, this oiliness protective cover does not have toxic substance to volatilize in atmosphere, does not affect environmental protection effect of construction environment etc.
Oiliness protective cover preparation technology 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.
Oiliness protective cover 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 oiliness protective cover, this oiliness protective cover obtains after being mixed by a kind of raw mixture, and raw mixture contains oxidation protection agent and oiliness membrane-forming agent; Oxidation protection agent contains Al powder and Sn powder, and the weight ratio of Al powder and Sn powder is 1:0.01-0.1.
According to the present invention, although this oiliness protective cover 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 and Sn powder; the weight ratio of Al powder and Sn powder is 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 oiliness protective cover 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 and Sn powder is 1:0.05-0.07, can reduce the formation of dissolved oxygen layer further.Therefore, preferably, the weight ratio of Al powder and Sn powder is 1:0.05-0.07.
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 oiliness protective cover 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 oiliness protective cover 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 oiliness protective cover 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 and prepare oiliness protective cover with the following method, 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 the application of oiliness protective cover as above in titanium ingot is produced.
The third aspect, the invention provides a kind of production method of titanium ingot, and the method is included in before titanium ingot carries out anneal, and at the surface-coated oiliness protective cover of titanium ingot, oiliness protective cover is oiliness protective cover as above.
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 that the amount of oiliness protective cover coating preferably makes oiliness protective cover solidify the rear photopolymer layer formed 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 oiliness protective cover 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 and 50gSn 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 oiliness protective cover A1.
The solid content measuring oiliness protective cover A1 is 88%, and pH value is 8.5.
Oiliness protective cover A1 automatization spray gun (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 thickness that the amount of spraying makes oiliness protective cover solidify the rear photopolymer layer formed is 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 oiliness protective cover 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 809gAl powder and 41gSn 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 oiliness protective cover A2.
The solid content measuring oiliness protective cover A2 is 85%, and pH value is 8.7.
By oiliness protective cover A2 with automatization spray gun spraying in titanium ingot surface; the thickness that the amount of spraying makes oiliness protective cover solidify the rear photopolymer layer formed is 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 oiliness protective cover 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 795gAl powder and 55gSn 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 oiliness protective cover A3.
The solid content measuring oiliness protective cover A3 is 87%, and pH value is 9.3.
By oiliness protective cover A3 with automatization spray gun spraying in titanium ingot surface; the thickness that the amount of spraying makes oiliness protective cover solidify the rear photopolymer layer formed is 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 oiliness protective cover of the present invention and titanium ingot.
Prepare oiliness protective cover according to the method for embodiment 1 and carry out the production of titanium ingot, the consumption unlike, Al powder is the consumption of 841g, Sn powder is 9g.Obtain oiliness protective cover A4, the solid content measuring oiliness protective cover A4 is 90%, and pH value is 8.2.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 oiliness protective cover of the present invention and titanium ingot.
Prepare oiliness protective cover according to the method for embodiment 1 and carry out the production of titanium ingot, the consumption unlike, Al powder is the consumption of 773g, Sn powder is 77g.Obtain oiliness protective cover A5, the solid content measuring oiliness protective cover A5 is 86%, and pH value is 7.6.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 oiliness protective cover of the present invention and titanium ingot.
Prepare oiliness protective cover according to the method for embodiment 1 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 oiliness protective cover A6, the solid content measuring oiliness protective cover A6 is 87%, and pH value is 8.7.Same Fig. 1 of the photo of titanium ingot surface after rolling, the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Comparative example 1
Prepare oiliness protective cover according to the method for embodiment 1 and carry out the production of titanium ingot, unlike, by the Al powder of the weight such as Sn powder replaces with, obtain oiliness protective cover D1, the solid content measuring oiliness protective cover D1 is 88%, and pH value is 8.3.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 oiliness protective cover, 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 oiliness protective cover of the present invention, after rolling, titanium ingot surface is smooth, flawless; The agent of spraying oxidation protection is the oiliness protective cover of Al powder, and after rolling, crackle appears in titanium ingot surface; Titanium ingot surface does not spray oiliness protective cover and 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 oiliness protective cover 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 oiliness protective cover 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 oiliness protective cover 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 oiliness protective cover, directly carries out anneal, just makes hardness Hv reach about 120, illustrate and do not apply oiliness protective cover when case depth is 6mm, and titanium ingot will form the dissolved oxygen layer of about 6mm in annealing process.Visible, apply oiliness protective cover of the present invention, greatly can reduce the formation of dissolved oxygen layer.
Embodiment 1 is compared can be found out with embodiment 4 and embodiment 5 respectively, and in the oxidation protection agent that oiliness protective cover is used, the weight ratio of Al powder and Sn powder is 1:0.05-0.07, can reduce the formation of dissolved oxygen layer further.Embodiment 1 and embodiment 6 are compared and can find out, the oiliness membrane-forming agent employing oiliness epoxy resin that oiliness protective cover is used, the formation of dissolved oxygen layer can be reduced further.
Oiliness protective cover 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 oiliness protective cover 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 (8)
1. the application of oiliness protective cover in titanium ingot is produced, it is characterized in that, described oiliness protective cover obtains after being mixed by a kind of raw mixture, and described raw mixture contains oxidation protection agent and oiliness membrane-forming agent; Described oxidation protection agent contains Al powder and Sn powder; the weight ratio of Al powder and Sn powder is 1:0.05-0.07, 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. application according to claim 1, wherein, described raw mixture is also containing one or more in solidifying agent, dispersion agent and thinner.
3. application 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 production method of a titanium ingot, it is characterized in that, described method is included in before titanium ingot carries out anneal, at the surface-coated oiliness protective cover of titanium ingot, wherein, described oiliness protective cover obtains after being mixed by a kind of raw mixture, and described raw mixture contains oxidation protection agent and oiliness membrane-forming agent; Described oxidation protection agent contains Al powder and Sn powder; the weight ratio of Al powder and Sn powder is 1:0.05-0.07, 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.
5. method according to claim 4, wherein, described raw mixture is also containing one or more in solidifying agent, dispersion agent and thinner.
6. method according to claim 5; 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.
7. method according to claim 4, wherein, the mode of coating comprises at least one in pneumatic spraying, vacuum spraying and brushing.
8. method according to claim 4, wherein, the thickness that the amount of described oiliness protective cover coating makes described oiliness protective cover solidify the rear photopolymer layer formed is 0.2-0.4mm.
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| CN105969090B (en) * | 2016-07-27 | 2018-12-25 | 攀钢集团研究院有限公司 | A kind of anti-sticking titanium coating of oiliness high temperature resistant and its application |
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