CN103590042A - Chemical milling solution and chemical milling method of Ti3Al intermetallic chemical compound - Google Patents
Chemical milling solution and chemical milling method of Ti3Al intermetallic chemical compound Download PDFInfo
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Abstract
The invention relates to the field of chemical milling processing, in particular to a chemical milling solution and a chemical milling method for a Ti3Al series intermetallic compound material. The chemical milling solution comprises the components as follows: 5-20 wt% of hydrofluoric acid, 10-30 wt% of nitric acid, 1-15 wt% of hydrochloric acid, 2-3 wt% of glacial acetic acid, 0.8-3 wt% of citric acid, 0.2-5 wt% of phosphoric acid or a phosphate, 0.5-3 g/L of hexamethylenetetramine, 0-5 g/L of urea, 2-5 ml/L of glycerine, 0.1-1.5 g/L of a surfactant, 0-100 g/L of titanium ion, 0-40 g/L of aluminium ion, and water in balancing amount. According to the invention, a composite acid system is adopted, additives including the phosphate, the surfactant, the metal ions and the like are added to the composite acid system to prepare the chemical milling solution for the Ti3Al metal intermetallic compound, the chemical milling processing on the material is performed at a temperature from 35 DEG C to 65 DEG C, and the chemical milling speed is about 0.01-0.03 mm/min. The chemical milling solution formula and the chemical milling processing method, provided by the invention, can achieve the chemical milling processing on the Ti3Al material; the chemical milling speed is controllable; the dimensional precision of processed parts meets the requirements; surface roughness is high; the operation is simple during the whole chemical milling process.
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
Corrosion processing is also in chemistry milling, 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, in the course of processing, can not produce the defects such as stress, burr, and workpiece is without distortion, and can process multiaspect, many simultaneously, and production efficiency is high.Be usually used in the component of complex contour, the surplus of thin plate component is processed, the parts machining that needs in addition big area to mill upper layer is also commonly used the method for milling.With milling processing, replace mechanical workout for the adjusting of component surplus, can save a large amount of cutter expenses, 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 in 650 ℃～700 ℃ temperature ranges, use for a long time, can be used for being manufactured on the structural parts such as the aero-engine casing that uses at 650 ℃ of temperature, coupling collar, also can be used for being manufactured in 650 ℃～800 ℃ temperature ranges and use in short-term the parts such as supersonic vehicle, guided missile mounting edge, covering, be the class lightweight high-temperature material getting most of the attention at present.
The same with other intermetallic compounds, Ti
3al series intermetallic compound also exists brittleness at room temperature large, is difficult to carry out the problem of mechanical workout, and chemistry milling processing is removed and had the advantage of not replacing in the little surplus of component.
The milling processing of titanium alloy and aluminium alloy has become the reliable working method that aerospace component are shaped, and the milling processing of Intermatallic Ti-Al compound have not been reported.Intermatallic Ti-Al compound has 2～3 kinds of chief component elements, and the weave construction of material 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, and 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 sodium sulfosuccinate, 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 powder or the particle form of metal titanium, titanium alloy or Intermatallic Ti-Al compound.
Described Ti
3the chemical milling solution of Al series intermetallic compound, aluminum ion adds with powder or the particle form of metallic aluminium, aluminium alloy or Intermatallic Ti-Al compound.
The Ti of described chemical milling solution
3the chemical milling method of Al series intermetallic compound, comprises following steps:
(1) need to carry out the Ti of milling processing
3al inter-metallic compound material is removed surface dirt and greasy dirt;
(2) by clean component submergence chemical milling solution, at 35～65 ℃, carry out milling processing, reach after requirement size and component are taken out at once, with 40～50 ℃ of warm water, clean removal remained on surface chemical milling solutions;
(3) component after milling are immersed in to 3～10min in ash disposal solution and carry out ash disposal processing;
(4) component that ash disposal finishes clean and remove remained on surface ash disposal solution with 40～50 ℃ of warm water, then clean up and dry up with the hot water of 70～80 ℃.
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, then clean up and dry up with clear water with ethanol or acetone.
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 percent, Ti
3the composition of Al series intermetallic compound is: Ti-(20～35) %Al-(1～30) %M, M is 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 is large, and machining property is bad.The method of chemistry milling of the present invention is carried 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 chief component elements, and the corrosive nature difference of each component is very large, and the uniform corrosion that is difficult for realizing each element obtains does not have defective surface.Chemical milling solution provided by the invention is for Ti
3the milling processing of Al material, can effectively control erosion rate, obtains good product surface, and after milling, product is not cheated 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 is carried out chemistry milling processing to material in the time of 35～65 ℃, 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 processing meets the demands, and surfaceness is good, and whole milling process operation is simple, is easy to control, and production efficiency is high.
Embodiment
In the present invention, except specializing, the percentage ratio relating to refers to mass percent.Ti
3the composition of Al series intermetallic compound is (atomic ratio): Ti-(20～35) %Al-(1～30) %M, and M is one or more in the alloying elements such as V, Cr, Mn, Nb, Ta, W, Mo.
Ti of the present invention
3the chemical milling method of Al series intermetallic compound, comprises following steps:
(1) need to carry out the Ti of milling processing
3al inter-metallic compound material is removed surface dirt and greasy dirt;
(2) by clean component submergence chemical milling solution, at 35～65 ℃, carry out milling processing, reach after requirement size and component are taken out at once, with 40～50 ℃ of warm water, clean removal remained on surface chemical milling solutions;
(3) component after milling are immersed in to 3～10min in ash disposal solution and carry out ash disposal processing;
(4) component that ash disposal finishes clean and remove remained on surface ash disposal solution with 40～50 ℃ of warm water, then clean up and dry up with the hot water of 70～80 ℃.
Described chemical milling solution composition is: hydrofluoric acid 5～20wt%(is 8～12wt% preferably), nitric acid 10～30wt%(is 18～22wt% preferably), hydrochloric acid 1～15wt%(is 3～10wt% preferably), 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 sodium sulfosuccinate, Sodium glycocholate, Witco 1298 Soft Acid (sodium), stearic acid (sodium), alkylol amide, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene.
Described titanium ion adds with powder or the particle form of metal titanium, titanium alloy or Intermatallic Ti-Al compound.
Described aluminum ion adds with powder or the particle form of metallic aluminium, aluminium alloy or Intermatallic Ti-Al compound.
In step (1), with clear water, wash away surface dirt, with ethanol or acetone, wash away surface and oil contaminant, then clean up and dry up with clear 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%.
Below by embodiment, be described in further detail the present invention.
Embodiment 1
Chemical milling solution composition is: hydrofluoric acid 6wt%, and 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, all the other are water.Above-mentioned substance is evenly mixed to preparation milling solution.
With acetone, soak Ti
3al component, be placed on ultrasonic middle cleaning and within ten minutes, remove surface and oil contaminant, with 40～50 ℃ of warm water, clean and remove acetone and dry up afterwards, clean component are immersed in the chemical milling solution of 40 ℃ to size and meet the demands, component are taken out, with 40～50 ℃ of warm water, clean and remove remained on surface chemical milling solution, component after milling are immersed in to 5min in the salpeter solution that concentration is 25wt% and carry out ash disposal processing, use afterwards 40～50 ℃ of ash disposal solution that warm water clean surface is residual, then clean up and dry up with the hot water of 70～80 ℃.
Milling rate 0.015mm/min, after milling, product is not cheated 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.Above-mentioned substance is evenly mixed to preparation milling solution.
With acetone, soak Ti
3al component, be placed on ultrasonic middle cleaning and within ten minutes, remove surface and oil contaminant, with 40～50 ℃ of warm water, clean and remove acetone and dry up afterwards, clean component are immersed in the chemical milling solution of 40 ℃ to size and meet the demands, component are taken out, with 40～50 ℃ of warm water, clean and remove remained on surface chemical milling solution, component after milling are immersed in to 5min in the salpeter solution that concentration is 25wt% and carry out ash disposal processing, use afterwards 40～50 ℃ of ash disposal solution that warm water clean surface is residual, then clean up and dry up with the hot water of 70～80 ℃.
Milling rate 0.010mm/min, after milling, product is not cheated 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.Above-mentioned substance is evenly mixed to preparation milling solution.
With acetone, soak Ti
3al component, be placed on ultrasonic middle cleaning and within ten minutes, remove surface and oil contaminant, with 40～50 ℃ of warm water, clean and remove acetone and dry up afterwards, clean component are immersed in the chemical milling solution of 50 ℃ to size and meet the demands, component are taken out, with 40～50 ℃ of warm water, clean and remove remained on surface chemical milling solution, component after milling are immersed in to 5min in the salpeter solution that concentration is 25wt% and carry out ash disposal processing, use afterwards 40～50 ℃ of ash disposal solution that warm water clean surface is residual, then clean up and dry up with the hot water of 70～80 ℃.
Milling rate 0.025mm/min, after milling, product is not cheated the defects such as hole, spine, intergranular corrosion.
Embodiment 4
Chemical milling solution composition is: hydrofluoric acid 10wt%, and 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, all the other are water.Above-mentioned substance is evenly mixed to preparation milling solution.
With acetone, soak Ti
3al component, be placed on ultrasonic middle cleaning and within ten minutes, remove surface and oil contaminant, with 40～50 ℃ of warm water, clean and remove acetone and dry up afterwards, clean component are immersed in the chemical milling solution of 50 ℃ to size and meet the demands, component are taken out, with 40～50 ℃ of warm water, clean and remove remained on surface chemical milling solution, component after milling are immersed in to 5min in the salpeter solution that concentration is 25wt% and carry out ash disposal processing, use afterwards 40～50 ℃ of ash disposal solution that warm water clean surface is residual, then clean up and dry up with the hot water of 70～80 ℃.
Milling rate 0.029mm/min, after milling, product is not cheated the defects such as hole, spine, intergranular corrosion.
Embodiment 5
Chemical milling solution composition is: hydrofluoric acid 12wt%, and 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, all the other are water.Above-mentioned substance is evenly mixed to preparation milling solution.
With acetone, soak Ti
3al component, be placed on ultrasonic middle cleaning and within ten minutes, remove surface and oil contaminant, with 40～50 ℃ of warm water, clean and remove acetone and dry up afterwards, clean component are immersed in the chemical milling solution of 55 ℃ to size and meet the demands, component are taken out, with 40～50 ℃ of warm water, clean and remove remained on surface chemical milling solution, component after milling are immersed in to 5min in the salpeter solution that concentration is 25wt% and carry out ash disposal processing, use afterwards 40～50 ℃ of ash disposal solution that warm water clean surface is residual, then clean up and dry up with the hot water of 70～80 ℃.
Milling rate 0.030mm/min, after milling, product is not cheated 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.Above-mentioned substance is evenly mixed to preparation milling solution.Wherein, Ti
3the composition of Al intermetallic compound is (atomic ratio): Ti-25Al-13Nb-1Cr.
With acetone, soak Ti
3al component, be placed on ultrasonic middle cleaning and within ten minutes, remove surface and oil contaminant, with 40～50 ℃ of warm water, clean and remove acetone and dry up afterwards, clean component are immersed in the chemical milling solution of 50 ℃ to size and meet the demands, component are taken out, with 40～50 ℃ of warm water, clean and remove remained on surface chemical milling solution, component after milling are immersed in to 5min in the salpeter solution that concentration is 25wt% and carry out ash disposal processing, use afterwards 40～50 ℃ of ash disposal solution that warm water clean surface is residual, then clean up and dry up with the hot water of 70～80 ℃.
Milling rate 0.019mm/min, after milling, product is not cheated the defects such as hole, spine, intergranular corrosion.
Embodiment 7
Chemical milling solution composition is: hydrofluoric acid 18wt%, and 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, all the other are water.Above-mentioned substance is evenly mixed to preparation milling solution.
With acetone, soak Ti
3al component, be placed on ultrasonic middle cleaning and within ten minutes, remove surface and oil contaminant, with 40～50 ℃ of warm water, clean and remove acetone and dry up afterwards, clean component are immersed in the chemical milling solution of 50 ℃ to size and meet the demands, component are taken out, with 40～50 ℃ of warm water, clean and remove remained on surface chemical milling solution, component after milling are immersed in to 5min in the salpeter solution that concentration is 25wt% and carry out ash disposal processing, use afterwards 40～50 ℃ of ash disposal solution that warm water clean surface is residual, then clean up and dry up with the hot water of 70～80 ℃.
Milling rate 0.030mm/min, after milling, product is not cheated 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.Above-mentioned substance is evenly mixed to preparation milling solution.Wherein, Ti
3the composition of Al intermetallic compound is (atomic ratio): Ti-25Al-13Nb-1Cr.
With acetone, soak Ti
3al component, be placed on ultrasonic middle cleaning and within ten minutes, remove surface and oil contaminant, with 40～50 ℃ of warm water, clean and remove acetone and dry up afterwards, clean component are immersed in the chemical milling solution of 50 ℃ to size and meet the demands, component are taken out, with 40～50 ℃ of warm water, clean and remove remained on surface chemical milling solution, component after milling are immersed in to 5min in the salpeter solution that concentration is 25wt% and carry out ash disposal processing, use afterwards 40～50 ℃ of ash disposal solution that warm water clean surface is residual, then clean up and dry up with the hot water of 70～80 ℃.
Milling rate 0.029mm/min, after milling, product is not cheated the defects such as hole, spine, intergranular corrosion.
Embodiment result shows, chemical milling solution formula provided by the invention and chemical milling method can be realized 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 (10)
1. a Ti
3the chemical milling solution of Al series intermetallic compound, is characterized in that, 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.
2. according to Ti claimed in 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 claimed in claim 1
3the chemical milling solution of Al series intermetallic compound, it is characterized in that, tensio-active agent is one or more in linear alkylbenzene sulphonic acid, sodium lauryl sulphate, sodium laurylsulfonate, dioctyl sodium sulfosuccinate, Sodium glycocholate, Witco 1298 Soft Acid, Sodium dodecylbenzene sulfonate, stearic acid, sodium stearate, alkylol amide, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene.
4. according to Ti claimed in claim 1
3the chemical milling solution of Al series intermetallic compound, is characterized in that, titanium ion adds with powder or the particle form of metal titanium, titanium alloy or Intermatallic Ti-Al compound.
5. according to Ti claimed in claim 1
3the chemical milling solution of Al series intermetallic compound, is characterized in that, aluminum ion adds with powder or the particle form of metallic aluminium, aluminium alloy or Intermatallic Ti-Al compound.
6. a Ti who utilizes chemical milling solution described in claim 1
3the chemical milling method of Al series intermetallic compound, is characterized in that, comprises following steps:
(1) need to carry out the Ti of milling processing
3al inter-metallic compound material is removed surface dirt and greasy dirt;
(2) by clean component submergence chemical milling solution, at 35～65 ℃, carry out milling processing, reach after requirement size and component are taken out at once, with 40～50 ℃ of warm water, clean removal remained on surface chemical milling solutions;
(3) component after milling are immersed in to 3～10min in ash disposal solution and carry out ash disposal processing;
(4) component that ash disposal finishes clean and remove remained on surface ash disposal solution with 40～50 ℃ of warm water, then clean up and dry up with the hot water of 70～80 ℃.
7. according to Ti claimed in claim 6
3the chemical milling method of Al series intermetallic compound, is characterized in that, in step (1), with clear water, washes away surface dirt, washes away surface and oil contaminant, then clean up and dry up with clear water with ethanol or acetone.
8. according to Ti claimed in claim 6
3the chemical milling method of Al series intermetallic compound, is characterized in that, in step (2), milling rate is 0.01～0.03mm/min.
9. according to Ti claimed in claim 6
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%.
10. according to Ti claimed in claim 6
3the chemical milling method of Al series intermetallic compound, is characterized in that, by atomic percent, and Ti
3the composition of Al series intermetallic compound is: Ti-(20～35) %Al-(1～30) %M, M is one or more in V, Cr, Mn, Nb, Ta, W, Mo alloying element.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105088230A (en) * | 2014-05-07 | 2015-11-25 | 哈尔滨飞机工业集团有限责任公司 | Technological method for reducing stress deformation of helicopter chemically-milled sheet metal members |
| CN107299250A (en) * | 2017-05-26 | 2017-10-27 | 中国科学院金属研究所 | As cast condition is tough Ti3Al intermetallic compounds and its manufacture method and application |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105088230A (en) * | 2014-05-07 | 2015-11-25 | 哈尔滨飞机工业集团有限责任公司 | Technological method for reducing stress deformation of helicopter chemically-milled sheet metal members |
| 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 |
| CN107299250A (en) * | 2017-05-26 | 2017-10-27 | 中国科学院金属研究所 | As cast condition is tough Ti3Al intermetallic compounds and its manufacture method and application |
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| CN103590042B (en) | 2016-01-13 |
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