CN103590042B - A kind of Ti 3the chemical milling solution of Al series intermetallic compound and chemical milling method - Google Patents
A kind of Ti 3the chemical milling solution of Al series intermetallic compound and chemical milling method Download PDFInfo
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Abstract
The present invention relates to chemistry milling manufacture field, particularly a kind of Ti
3the chemistry milling solution of Al series intermetallic compound material and chemistry milling method.Chemical milling solution composition is: hydrofluoric acid 5 ~ 20wt%, nitric acid 10 ~ 30wt%, hydrochloric acid 1 ~ 15wt%, glacial acetic acid 2 ~ 3wt%, citric acid 0.8 ~ 3wt%, phosphoric acid or phosphoric acid salt 0.2 ~ 5wt%, hexamethylenetetramine 0.5 ~ 3g/L, urea 0 ~ 5g/L, glycerine 2 ~ 5ml/L, tensio-active agent 0.1 ~ 1.5g/L, titanium ion 0 ~ 100g/L, aluminum ion 0 ~ 40g/L, all the other are water.The present invention adopts Compound-acid system, and adds the additive preparation Ti such as phosphoric acid salt, tensio-active agent, metal ion
3the chemical milling solution of Al series intermetallic compound, temperature carries out chemistry milling processing to material 35 ~ 65 DEG C time, and milling rate is about 0.01 ~ 0.03mm/min.Chemical milling solution formula provided by the invention and milling working method can realize Ti
3the chemistry milling processing of Al material, milling rate is controlled, and the element size precision after process meets the demands, and surfaceness is good, and whole milling process operation is simple.
Description
Technical field
The present invention relates to chemistry milling manufacture field, particularly a kind of Ti
3the chemistry milling solution of Al series intermetallic compound material and chemistry milling method.
Background technology
Chemistry milling is also corrosion processing, is to utilize the chemical solutions such as acid, alkali, salt to produce chemical reaction to metal, makes dissolving metal, changes a kind of working method of workpiece size and shape (or surface property).
Milling processing is not subject to the restriction of material hardness and intensity, and can not produce the defect such as stress, burr in the course of processing, workpiece without distortion, and can process multiaspect, more than one piece simultaneously, and production efficiency is high.Be usually used in the surplus processing of the component of complex contour, thin plate component, the parts machining needing big area to mill upper layer in addition also commonly uses the method for milling.Replace mechanical workout to be used for the adjustment of component surplus with milling processing, can save a large amount of cutter expense, process operation technology is simple, can be used for material or the shape of processor processing difficulties.
Ti
3al series intermetallic compound density is little, and there is good high-temperature behavior, can use in 650 DEG C ~ 700 DEG C temperature ranges for a long time, the structural part such as aero-engine casing, coupling collar used under can being used for being manufactured on 650 DEG C of temperature, also can be used for being manufactured in 650 DEG C ~ 800 DEG C temperature ranges and use the parts such as supersonic vehicle, guided missile mounting edge, covering in short-term, be the class lightweight high-temperature material got most of the attention at present.
The same with other intermetallic compounds, Ti
3also it is large to there is brittleness at room temperature in Al series intermetallic compound, is difficult to the problem of carrying out mechanical workout, and chemistry milling processing is removed in the little surplus of component the advantage do not replaced.
The milling processing of titanium alloy and aluminium alloy has become the reliable working method of aerospace component shaping, and the milling processing of Intermatallic Ti-Al compound have not been reported.Intermatallic Ti-Al compound has 2 ~ 3 kinds of main components, and materials microstructure structure and corrosive nature all have a great difference with titanium alloy, and traditional titanium alloy or aluminum alloy chemical milling technique can not be applicable to Intermatallic Ti-Al compound.
Summary of the invention
The object of the present invention is to provide a kind of Ti
3the chemical milling solution of Al series intermetallic compound and chemical milling method, substitute mechanical workout for regulating the surplus of component, production efficiency is high, and yield rate is high, and processing unit is simple, is easy to operate and control.
Technical scheme of the present invention is:
A kind of Ti
3the chemical milling solution of Al series intermetallic compound, chemical milling solution composition is: hydrofluoric acid 5 ~ 20wt%, nitric acid 10 ~ 30wt%, hydrochloric acid 1 ~ 15wt%, glacial acetic acid 2 ~ 3wt%, citric acid 0.8 ~ 3wt%, phosphoric acid or phosphoric acid salt 0.2 ~ 5wt%, hexamethylenetetramine 0.5 ~ 3g/L, urea 0 ~ 5g/L, glycerine 2 ~ 5ml/L, tensio-active agent 0.1 ~ 1.5g/L, titanium ion 0 ~ 100g/L, aluminum ion 0 ~ 40g/L, all the other are water.
Chemical milling solution composition is preferably: hydrofluoric acid 8 ~ 12wt%, nitric acid 18 ~ 22wt%, hydrochloric acid 3 ~ 10wt%, glacial acetic acid 2 ~ 3wt%, citric acid 1 ~ 2wt%, phosphoric acid or phosphoric acid salt 1 ~ 3wt%, hexamethylenetetramine 1 ~ 2g/L, urea 1 ~ 3g/L, glycerine 3 ~ 4ml/L, tensio-active agent 0.5 ~ 1.0g/L, titanium ion 20 ~ 50g/L, aluminum ion 5 ~ 20g/L, all the other are water.
Described Ti
3the chemical milling solution of Al series intermetallic compound, phosphoric acid salt is one or more in calcium phosphate, Calcium Pyrophosphate, potassium primary phosphate, dipotassium hydrogen phosphate, sodium acid pyrophosphate, SODIUM PHOSPHATE, MONOBASIC, Sodium phosphate dibasic, sodium phosphate, trisodium phosphate, potassiumphosphate, Potassium polymetaphosphate, potassium pyrophosphate, sodium-metaphosphate, sodium polyphosphate, trisodium phosphate.
Described Ti
3the chemical milling solution of Al series intermetallic compound, tensio-active agent is one or more in linear alkylbenzene sulphonic acid, sodium lauryl sulphate, sodium laurylsulfonate, dioctyl succinate disulfonate acid, Sodium glycocholate, Witco 1298 Soft Acid, Sodium dodecylbenzene sulfonate, stearic acid, sodium stearate, alkylol amide, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene.
Described Ti
3the chemical milling solution of Al series intermetallic compound, titanium ion adds with the powder of metal titanium, titanium alloy or Intermatallic Ti-Al compound or particle form.
Described Ti
3the chemical milling solution of Al series intermetallic compound, aluminum ion adds with the powder of metallic aluminium, aluminium alloy or Intermatallic Ti-Al compound or particle form.
The Ti of described chemical milling solution
3the chemical milling method of Al series intermetallic compound, comprises following steps:
(1) Ti carrying out milling processing will be needed
3al inter-metallic compound material removes surface dirt and greasy dirt;
(2) by clean component submergence chemical milling solution, at 35 ~ 65 DEG C, carry out milling processing, component are taken out after reaching requirement size at once, remove remained on surface chemical milling solutions with 40 ~ 50 DEG C of warm water cleanings;
(3) component after milling are immersed in 3 ~ 10min in ash disposal solution and carry out ash disposal process;
(4) component that ash disposal terminates remove remained on surface ash disposal solution with 40 ~ 50 DEG C of warm water cleanings, then clean up with the hot water of 70 ~ 80 DEG C and dry up.
Described Ti
3the chemical milling method of Al series intermetallic compound, in step (1), washes away surface dirt with clear water, washes away surface and oil contaminant with ethanol or acetone, cleaner and dry up by clean water.
Described Ti
3the chemical milling method of Al series intermetallic compound, in step (2), milling rate is 0.01 ~ 0.03mm/min.
Described Ti
3the chemical milling method of Al series intermetallic compound, in step (3), ash disposal solution compolision is the salpeter solution of massfraction 20% ~ 50%.
Described Ti
3the chemical milling method of Al series intermetallic compound, by atomic percentage, Ti
3the composition of Al series intermetallic compound is: Ti-(20 ~ 35) %Al-(1 ~ 30) %M, M are one or more in V, Cr, Mn, Nb, Ta, W, Mo alloying element.
Advantage of the present invention and beneficial effect are:
1, Ti
3al inter-metallic compound material hardness is high and brittleness at room temperature large, and machining property is bad.The method of chemistry milling of the present invention carries out post-production and the surplus adjustment of component, has that production efficiency is high, yield rate advantages of higher.
2, Ti
3al inter-metallic compound material contains 2 ~ 3 kinds of main components, and the corrosive nature difference of each component is very large, and the uniform corrosion not easily realizing each element obtains does not have defective surface.Chemical milling solution provided by the invention is used for Ti
3the milling processing of Al material, can effective control corrosion rate speed, and obtain good product surface, after milling, product does not cheat the defects such as hole, spine, intergranular corrosion, and component precision meets the demands.
In a word, the present invention adopts Compound-acid system, and adds the additive preparation Ti such as urea, phosphoric acid salt, tensio-active agent, metal ion
3the chemical milling solution of Al series intermetallic compound, temperature carries out chemistry milling processing to material 35 ~ 65 DEG C time, and milling rate is about 0.01 ~ 0.03mm/min.Chemical milling solution formula provided by the invention and milling working method can realize Ti
3the chemistry milling processing of Al material, milling rate is controlled, and the element size precision after process meets the demands, and surfaceness is good, and whole milling process operation is simple, and be easy to control, production efficiency is high.
Embodiment
In the present invention, unless specified otherwise, the percentage ratio related to refers to mass percent.Ti
3the composition of Al series intermetallic compound to be (atomic ratio): Ti-(20 ~ 35) %Al-(1 ~ 30) %M, M be in the alloying elements such as V, Cr, Mn, Nb, Ta, W, Mo one or more.
Ti of the present invention
3the chemical milling method of Al series intermetallic compound, comprises following steps:
(1) Ti carrying out milling processing will be needed
3al inter-metallic compound material removes surface dirt and greasy dirt;
(2) by clean component submergence chemical milling solution, at 35 ~ 65 DEG C, carry out milling processing, component are taken out after reaching requirement size at once, remove remained on surface chemical milling solutions with 40 ~ 50 DEG C of warm water cleanings;
(3) component after milling are immersed in 3 ~ 10min in ash disposal solution and carry out ash disposal process;
(4) component that ash disposal terminates remove remained on surface ash disposal solution with 40 ~ 50 DEG C of warm water cleanings, then clean up with the hot water of 70 ~ 80 DEG C and dry up.
Described chemical milling solution composition is: hydrofluoric acid 5 ~ 20wt%(preferably 8 ~ 12wt%), nitric acid 10 ~ 30wt%(preferably 18 ~ 22wt%), hydrochloric acid 1 ~ 15wt%(preferably 3 ~ 10wt%), glacial acetic acid 2 ~ 3wt%, citric acid 0.8 ~ 3wt%, phosphoric acid or phosphoric acid salt 0.2 ~ 5wt%, hexamethylenetetramine 0.5 ~ 3g/L, urea 0 ~ 5g/L, glycerine 2 ~ 5ml/L, tensio-active agent 0.1 ~ 1.5g/L, titanium ion 0 ~ 100g/L, aluminum ion 0 ~ 40g/L, all the other are water.
Described phosphoric acid salt is one or more in calcium phosphate, Calcium Pyrophosphate, potassium primary phosphate, dipotassium hydrogen phosphate, sodium acid pyrophosphate, SODIUM PHOSPHATE, MONOBASIC, Sodium phosphate dibasic, sodium phosphate, trisodium phosphate, potassiumphosphate, Potassium polymetaphosphate, potassium pyrophosphate, sodium-metaphosphate, sodium polyphosphate, trisodium phosphate.
Described tensio-active agent is one or more in linear alkylbenzene sulphonic acid, sodium lauryl sulphate, sodium laurylsulfonate, dioctyl succinate disulfonate acid, Sodium glycocholate, Witco 1298 Soft Acid (sodium), stearic acid (sodium), alkylol amide, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene.
Described titanium ion adds with the powder of metal titanium, titanium alloy or Intermatallic Ti-Al compound or particle form.
Described aluminum ion adds with the powder of metallic aluminium, aluminium alloy or Intermatallic Ti-Al compound or particle form.
In step (1), wash away surface dirt with clear water, wash away surface and oil contaminant with ethanol or acetone, cleaner and dry up by clean water.
In step (2), milling rate is 0.01 ~ 0.03mm/min.
In step (3), ash disposal solution compolision is the salpeter solution of massfraction 20% ~ 50%.
The present invention is described in further detail below by embodiment.
Embodiment 1
Chemical milling solution composition is: hydrofluoric acid 6wt%, nitric acid 15wt%, hydrochloric acid 10wt%, glacial acetic acid 2wt%, citric acid 2wt%, phosphoric acid 5wt%, hexamethylenetetramine 0.5g/L, glycerine 2ml/L, sodium lauryl sulphate 0.2g/L, and all the other are water.By above-mentioned substance Homogeneous phase mixing, preparation milling solution.
Ti is soaked with acetone
3al component, be placed on ultrasonic middle cleaning and remove surface and oil contaminant in ten minutes, remove acetone with 40 ~ 50 DEG C of warm water cleanings and dry up afterwards, the component cleaned are immersed in the chemical milling solution of 40 DEG C and meet the demands to size, component are taken out, remained on surface chemical milling solution is removed with 40 ~ 50 DEG C of warm water cleanings, component after milling being immersed in concentration is that in the salpeter solution of 25wt%, 5min carries out ash disposal process, afterwards with the ash disposal solution that 40 ~ 50 DEG C of warm water clean surface are residual, then clean up with the hot water of 70 ~ 80 DEG C and dry up.
Milling rate 0.015mm/min, after milling, product does not cheat the defects such as hole, spine, intergranular corrosion.
Embodiment 2
Chemical milling solution composition is: hydrofluoric acid 6wt%, nitric acid 15wt%, hydrochloric acid 10wt%, glacial acetic acid 2wt%, citric acid 2wt%, phosphoric acid 5wt%, hexamethylenetetramine 1g/L, glycerine 3ml/L, sodium lauryl sulphate 1g/L, metallic titanium powder 25g/L, metallic aluminium powder 10g/L, all the other are water.By above-mentioned substance Homogeneous phase mixing, preparation milling solution.
Ti is soaked with acetone
3al component, be placed on ultrasonic middle cleaning and remove surface and oil contaminant in ten minutes, remove acetone with 40 ~ 50 DEG C of warm water cleanings and dry up afterwards, the component cleaned are immersed in the chemical milling solution of 40 DEG C and meet the demands to size, component are taken out, remained on surface chemical milling solution is removed with 40 ~ 50 DEG C of warm water cleanings, component after milling being immersed in concentration is that in the salpeter solution of 25wt%, 5min carries out ash disposal process, afterwards with the ash disposal solution that 40 ~ 50 DEG C of warm water clean surface are residual, then clean up with the hot water of 70 ~ 80 DEG C and dry up.
Milling rate 0.010mm/min, after milling, product does not cheat the defects such as hole, spine, intergranular corrosion.
Embodiment 3
Chemical milling solution composition is: hydrofluoric acid 8wt%, nitric acid 18wt%, hydrochloric acid 5wt%, glacial acetic acid 3wt%, citric acid 1wt%, SODIUM PHOSPHATE, MONOBASIC 0.5wt%, hexamethylenetetramine 0.5g/L, glycerine 2ml/L, Sodium dodecylbenzene sulfonate 0.25g/L, metallic titanium powder 10g/L, metallic aluminium powder 3g/L, all the other are water.By above-mentioned substance Homogeneous phase mixing, preparation milling solution.
Ti is soaked with acetone
3al component, be placed on ultrasonic middle cleaning and remove surface and oil contaminant in ten minutes, remove acetone with 40 ~ 50 DEG C of warm water cleanings and dry up afterwards, the component cleaned are immersed in the chemical milling solution of 50 DEG C and meet the demands to size, component are taken out, remained on surface chemical milling solution is removed with 40 ~ 50 DEG C of warm water cleanings, component after milling being immersed in concentration is that in the salpeter solution of 25wt%, 5min carries out ash disposal process, afterwards with the ash disposal solution that 40 ~ 50 DEG C of warm water clean surface are residual, then clean up with the hot water of 70 ~ 80 DEG C and dry up.
Milling rate 0.025mm/min, after milling, product does not cheat the defects such as hole, spine, intergranular corrosion.
Embodiment 4
Chemical milling solution composition is: hydrofluoric acid 10wt%, nitric acid 18wt%, hydrochloric acid 3wt%, glacial acetic acid 3wt%, citric acid 3wt%, phosphoric acid 3wt%, hexamethylenetetramine 0.5g/L, glycerine 2ml/L, sodium stearate 0.5g/L, and all the other are water.By above-mentioned substance Homogeneous phase mixing, preparation milling solution.
Ti is soaked with acetone
3al component, be placed on ultrasonic middle cleaning and remove surface and oil contaminant in ten minutes, remove acetone with 40 ~ 50 DEG C of warm water cleanings and dry up afterwards, the component cleaned are immersed in the chemical milling solution of 50 DEG C and meet the demands to size, component are taken out, remained on surface chemical milling solution is removed with 40 ~ 50 DEG C of warm water cleanings, component after milling being immersed in concentration is that in the salpeter solution of 25wt%, 5min carries out ash disposal process, afterwards with the ash disposal solution that 40 ~ 50 DEG C of warm water clean surface are residual, then clean up with the hot water of 70 ~ 80 DEG C and dry up.
Milling rate 0.029mm/min, after milling, product does not cheat the defects such as hole, spine, intergranular corrosion.
Embodiment 5
Chemical milling solution composition is: hydrofluoric acid 12wt%, nitric acid 25wt%, hydrochloric acid 2wt%, glacial acetic acid 2wt%, citric acid 2wt%, sodium polyphosphate 0.25wt%, hexamethylenetetramine 0.5g/L, glycerine 2ml/L, sodium lauryl sulphate 1g/L, urea 2g/L, and all the other are water.By above-mentioned substance Homogeneous phase mixing, preparation milling solution.
Ti is soaked with acetone
3al component, be placed on ultrasonic middle cleaning and remove surface and oil contaminant in ten minutes, remove acetone with 40 ~ 50 DEG C of warm water cleanings and dry up afterwards, the component cleaned are immersed in the chemical milling solution of 55 DEG C and meet the demands to size, component are taken out, remained on surface chemical milling solution is removed with 40 ~ 50 DEG C of warm water cleanings, component after milling being immersed in concentration is that in the salpeter solution of 25wt%, 5min carries out ash disposal process, afterwards with the ash disposal solution that 40 ~ 50 DEG C of warm water clean surface are residual, then clean up with the hot water of 70 ~ 80 DEG C and dry up.
Milling rate 0.030mm/min, after milling, product does not cheat the defects such as hole, spine, intergranular corrosion.
Embodiment 6
Chemical milling solution composition is: hydrofluoric acid 12wt%, nitric acid 22wt%, hydrochloric acid 1wt%, glacial acetic acid 2wt%, citric acid 3wt%, sodium polyphosphate 0.2wt%, hexamethylenetetramine 0.5g/L, glycerine 2ml/L, sodium lauryl sulphate 0.4g/L, urea 1g/L, Ti
3al intermetallic compound particle 50g/L, all the other are water.By above-mentioned substance Homogeneous phase mixing, preparation milling solution.Wherein, Ti
3the composition of Al intermetallic compound is (atomic ratio): Ti-25Al-13Nb-1Cr.
Ti is soaked with acetone
3al component, be placed on ultrasonic middle cleaning and remove surface and oil contaminant in ten minutes, remove acetone with 40 ~ 50 DEG C of warm water cleanings and dry up afterwards, the component cleaned are immersed in the chemical milling solution of 50 DEG C and meet the demands to size, component are taken out, remained on surface chemical milling solution is removed with 40 ~ 50 DEG C of warm water cleanings, component after milling being immersed in concentration is that in the salpeter solution of 25wt%, 5min carries out ash disposal process, afterwards with the ash disposal solution that 40 ~ 50 DEG C of warm water clean surface are residual, then clean up with the hot water of 70 ~ 80 DEG C and dry up.
Milling rate 0.019mm/min, after milling, product does not cheat the defects such as hole, spine, intergranular corrosion.
Embodiment 7
Chemical milling solution composition is: hydrofluoric acid 18wt%, nitric acid 22wt%, hydrochloric acid 5wt%, glacial acetic acid 2wt%, citric acid 1wt%, sodium polyphosphate 1wt%, hexamethylenetetramine 0.8g/L, glycerine 2ml/L, sodium lauryl sulphate 1.2g/L, urea 1g/L, and all the other are water.By above-mentioned substance Homogeneous phase mixing, preparation milling solution.
Ti is soaked with acetone
3al component, be placed on ultrasonic middle cleaning and remove surface and oil contaminant in ten minutes, remove acetone with 40 ~ 50 DEG C of warm water cleanings and dry up afterwards, the component cleaned are immersed in the chemical milling solution of 50 DEG C and meet the demands to size, component are taken out, remained on surface chemical milling solution is removed with 40 ~ 50 DEG C of warm water cleanings, component after milling being immersed in concentration is that in the salpeter solution of 25wt%, 5min carries out ash disposal process, afterwards with the ash disposal solution that 40 ~ 50 DEG C of warm water clean surface are residual, then clean up with the hot water of 70 ~ 80 DEG C and dry up.
Milling rate 0.030mm/min, after milling, product does not cheat the defects such as hole, spine, intergranular corrosion.
Embodiment 8
Chemical milling solution composition is: hydrofluoric acid 18wt%, nitric acid 28wt%, hydrochloric acid 1wt%, glacial acetic acid 2wt%, citric acid 0.8wt%, Sodium phosphate dibasic 0.8wt%, hexamethylenetetramine 0.5g/L, glycerine 2ml/L, Sodium dodecylbenzene sulfonate 1g/L, urea 3g/L, Ti
3al intermetallic compound particle 25g/L, all the other are water.By above-mentioned substance Homogeneous phase mixing, preparation milling solution.Wherein, Ti
3the composition of Al intermetallic compound is (atomic ratio): Ti-25Al-13Nb-1Cr.
Ti is soaked with acetone
3al component, be placed on ultrasonic middle cleaning and remove surface and oil contaminant in ten minutes, remove acetone with 40 ~ 50 DEG C of warm water cleanings and dry up afterwards, the component cleaned are immersed in the chemical milling solution of 50 DEG C and meet the demands to size, component are taken out, remained on surface chemical milling solution is removed with 40 ~ 50 DEG C of warm water cleanings, component after milling being immersed in concentration is that in the salpeter solution of 25wt%, 5min carries out ash disposal process, afterwards with the ash disposal solution that 40 ~ 50 DEG C of warm water clean surface are residual, then clean up with the hot water of 70 ~ 80 DEG C and dry up.
Milling rate 0.029mm/min, after milling, product does not cheat the defects such as hole, spine, intergranular corrosion.
Embodiment result shows, chemical milling solution formula provided by the invention and chemical milling method can realize Ti
3the chemistry milling processing of Al inter-metallic compound material.There is the advantages such as milling rate is controlled, production efficiency is high, yield rate is high, technique is simple, surface appearance is good.
Claims (9)
1. a Ti
3the chemical milling solution of Al series intermetallic compound, is characterized in that, chemical milling solution composition is: hydrofluoric acid 8 ~ 12wt%, nitric acid 18 ~ 22wt%, hydrochloric acid 3 ~ 10wt%, glacial acetic acid 2 ~ 3wt%, citric acid 1 ~ 2wt%, phosphoric acid or phosphoric acid salt 1 ~ 3wt%, hexamethylenetetramine 1 ~ 2g/L, urea 1 ~ 3g/L, glycerine 3 ~ 4ml/L, tensio-active agent 0.5 ~ 1.0g/L, titanium ion 20 ~ 50g/L, aluminum ion 5 ~ 20g/L, all the other are water; Wherein, tensio-active agent is one or more in linear alkylbenzene sulphonic acid, sodium lauryl sulphate, sodium laurylsulfonate, dioctyl succinate disulfonate acid, Sodium glycocholate, Witco 1298 Soft Acid, Sodium dodecylbenzene sulfonate, stearic acid, sodium stearate, alkylol amide, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene.
2. according to Ti according to claim 1
3the chemical milling solution of Al series intermetallic compound, it is characterized in that, phosphoric acid salt is one or more in calcium phosphate, Calcium Pyrophosphate, potassium primary phosphate, dipotassium hydrogen phosphate, sodium acid pyrophosphate, SODIUM PHOSPHATE, MONOBASIC, Sodium phosphate dibasic, sodium phosphate, trisodium phosphate, potassiumphosphate, Potassium polymetaphosphate, potassium pyrophosphate, sodium-metaphosphate, sodium polyphosphate, trisodium phosphate.
3. according to Ti according to claim 1
3the chemical milling solution of Al series intermetallic compound, is characterized in that, titanium ion adds with the powder of metal titanium, titanium alloy or Intermatallic Ti-Al compound or particle form.
4. according to Ti according to claim 1
3the chemical milling solution of Al series intermetallic compound, is characterized in that, aluminum ion adds with the powder of metallic aluminium, aluminium alloy or Intermatallic Ti-Al compound or particle form.
5. one kind utilizes the Ti of chemical milling solution described in claim 1
3the chemical milling method of Al series intermetallic compound, is characterized in that, comprises following steps:
(1) Ti carrying out milling processing will be needed
3al inter-metallic compound material removes surface dirt and greasy dirt;
(2) by clean component submergence chemical milling solution, at 35 ~ 65 DEG C, carry out milling processing, component are taken out after reaching requirement size at once, remove remained on surface chemical milling solutions with 40 ~ 50 DEG C of warm water cleanings;
(3) component after milling are immersed in 3 ~ 10min in ash disposal solution and carry out ash disposal process;
(4) component that ash disposal terminates remove remained on surface ash disposal solution with 40 ~ 50 DEG C of warm water cleanings, then clean up with the hot water of 70 ~ 80 DEG C and dry up.
6. according to Ti according to claim 5
3the chemical milling method of Al series intermetallic compound, is characterized in that, in step (1), washes away surface dirt with clear water, washes away surface and oil contaminant with ethanol or acetone, cleaner and dry up by clean water.
7. according to Ti according to claim 5
3the chemical milling method of Al series intermetallic compound, is characterized in that, in step (2), milling rate is 0.01 ~ 0.03mm/min.
8. according to Ti according to claim 5
3the chemical milling method of Al series intermetallic compound, is characterized in that, in step (3), ash disposal solution compolision is the salpeter solution of massfraction 20% ~ 50%.
9. according to Ti according to claim 5
3the chemical milling method of Al series intermetallic compound, is characterized in that, by atomic percentage, and Ti
3the composition of Al series intermetallic compound is: Ti-(20 ~ 35) %Al-(1 ~ 30) %M, M are one or more in V, Cr, Mn, Nb, Ta, W, Mo alloying element.
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| CN105088230B (en) * | 2014-05-07 | 2017-11-24 | 哈尔滨飞机工业集团有限责任公司 | Reduce the process of helicopter milling sheet metal component stress deformation |
| CN104073801A (en) * | 2014-06-19 | 2014-10-01 | 中国科学院金属研究所 | Chemical milling solution for pure titanium, titanium alloys and titanium aluminum intermetallic compounds and chemical milling method |
| CN104073802A (en) * | 2014-06-19 | 2014-10-01 | 中国科学院金属研究所 | Chemical milling solution for pure titanium, titanium alloys or titanium aluminium intermetallic compounds and application of chemical milling solution |
| CN107299250B (en) * | 2017-05-26 | 2019-01-18 | 中国科学院金属研究所 | As cast condition is tough Ti3Al intermetallic compound and its manufacturing method and application |
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| US4588474A (en) * | 1981-02-03 | 1986-05-13 | Chem-Tronics, Incorporated | Chemical milling processes and etchants therefor |
| CN101122025A (en) * | 2007-08-09 | 2008-02-13 | 成都飞机工业（集团）有限责任公司 | Titanium alloying milling solution and milling technique used for the same |
| CN101696501A (en) * | 2009-10-29 | 2010-04-21 | 西安航空动力股份有限公司 | Precision-forging chemical-milling solution for high-temperature alloy blades and chemical milling method |
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