CN108587423A - A kind of magnesium alloy ingot removing surface method - Google Patents
A kind of magnesium alloy ingot removing surface method Download PDFInfo
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- CN108587423A CN108587423A CN201810449093.4A CN201810449093A CN108587423A CN 108587423 A CN108587423 A CN 108587423A CN 201810449093 A CN201810449093 A CN 201810449093A CN 108587423 A CN108587423 A CN 108587423A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/166—Magnesium halide, e.g. magnesium chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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- Engineering & Computer Science (AREA)
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- Wood Science & Technology (AREA)
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- Inorganic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a kind of magnesium alloy ingot removing surface methods：Step 1 prepares the component A for including alkyd resin, and wherein alkyd resin is self-control；Component A and alkyd resin curing agent mixing are made cleaning solution, are then dipped in the mother alloy ingot obtained after casting in cleaning solution immediately by step 2, and ingot casting is taken out after ingot casting surface forms wrapping layer；The additive amount of the alkyd resin curing agent is 8 15% of alkyd resin quality in step 1；Step 3, dry ingot casting surface, tears the wrapping layer after solidification using external force when being cooled to 30 40 DEG C after dry, obtains the mother alloy ingot after removing surface under the conditions of 80 100 DEG C.The cooperation of special material and high molecular material curing characteristics are utilized in the method for cleaning of the present invention, the wrapping layer with certain absorption property and oil removing performance is formed on pending magnesium alloy ingot surface, then to remove wrapping layer using segregative characteristic between the wrapping layer and magnesium alloy ingot ontology, while removing wrapping layer, the dirty of magnesium alloy ingot surface is equally had also been removed.
Description
Technical field
The invention belongs to magnesium alloy technical fields, and in particular to a kind of magnesium alloy ingot removing surface method.
Background technology
Magnesium alloy is the alloy that other elements composition is added based on magnesium elements, and the characteristics of magnesium alloy is：Density is small, strong
Degree is high, elasticity modulus is big, perfect heat-dissipating, absorb shock resistance are good, the organic matter bigger than aluminium alloy, resistance to that absorbs impact load-carrying ability and alkali
Corrosive nature is good.Its main alloy element has aluminium, zinc, manganese, cerium, thorium and a small amount of zirconium or cadmium etc..What use was most wide at present is magnesium
Aluminium alloy, followed by magnesium-manganese alloy and magnesium zinc zircaloy, are mainly used in the Ministry of Industry such as Aeronautics and Astronautics, transport, chemical industry, rocket
Door.Cast magnesium alloy is that the magnesium alloy for being suitable for being produced parts with casting method that alloy element is formed is added by base of magnesium.
By forming technology, magnesium alloy can be divided into cast magnesium alloy and wrought magnesium alloy, and the two has very big difference in ingredient, structure property
It is different.Cast magnesium alloy is mainly used for auto parts, parts clamshell and electric member etc..
Surface is highly prone to pollute magnesium alloy ingot in the fabrication process, such as attaches oils（Machinery oil, lubricating oil, mold
Oil etc.）, the bits that process raw material for another example are attached, while processing output and if cooling not in time being also easy to that ingot casting surface is caused to be given birth in the process
At oxide.In the prior art, it is often cleaned using cleaning agent for the dirty processing in magnesium alloy ingot surface, is such as utilized
Organic matter cleans.Organic washing agent can rapidly remove greasy dirt, but be easy to cause the carbon residual on magnesium alloy ingot surface,
Later use ingot casting can influence carbon content in product during casting, to the stability of the chemical composition of cast magnesium alloy product
Constitute larger puzzlement.And aluminium alloy ontology can be caused centainly to be lost in the way of pickling or alkali cleaning, especially alkali cleaning work
Skill is easily destroyed Mg alloy surface form, causes anticaustic.
Invention content
In order to solve the deficiencies in the prior art, the present invention provides a kind of removing surface sides for magnesium alloy ingot
Method, using the cooperation of special material and middle high molecular material curing characteristics in method for cleaning of the invention, in pending magnesium
Alloy cast ingot surface forms the wrapping layer with certain absorption property and oil removing performance, then to utilize the wrapping layer and magnesium alloy
Segregative characteristic removes wrapping layer between ingot casting ontology, while removing wrapping layer, equally has also been removed magnesium alloy ingot
Surface it is dirty, while magnesium alloy ingot surface is had no effect.
Institute of the invention technique effect to be achieved is realized by following scheme：
The magnesium alloy ingot removing surface method provided in the present invention, includes the following steps：
Step 1 weighs raw material according to following component and mass fraction and prepares component A：
4-6 parts of magnesium chloride
3-6 parts of resurrection glass fibre
6-8 parts of zinc oxide
28-30 parts of alkyd resin
2-3 parts of hydroxyl magnesium silicate
2-3 parts of niter cake
1-2 parts of alum
3-4 parts of expanded graphite powder
Carbon atom number is 0.02-0.03 parts of the paraffin of 25-30
The preparation method of the alkyd resin is：Rice bran oil, n-butanol are mixed and are warming up to 115-120 DEG C, saturation hydrogen-oxygen is added dropwise
Change lithium solution as catalyst, is continuously heating to 250 DEG C of reaction 4-6h；It is cooled to 115-120 DEG C after completion of the reaction, then adds
Phthalic anhydride and ethyl alcohol are warming up to 150-160 DEG C of reaction 4-6h, are cooled to 50-60 DEG C after completion of the reaction, is then added dropwise and is pre-mixed
TDI and dimethylbenzene, be warming up to after being added dropwise 100-105 DEG C reaction 6-8h, be cooled to 50-60 DEG C after completion of the reaction, then
Ethylene glycol is added, natural cooling after insulated and stirred 2-4h obtains required alkyd resin after filtering；
It is ground to uniformly mixed in planetary-type grinding machine after above-mentioned raw materials are mixed and wherein solids size is less than 1 μm, obtain
To component A；
Cleaning solution is made, the mother alloy ingot that then will be obtained after casting in component A and alkyd resin curing agent mixing by step 2
It is dipped in cleaning solution immediately, ingot casting is taken out after ingot casting surface forms wrapping layer；
The additive amount of the alkyd resin curing agent is the 8-15% of alkyd resin quality in step 1；
Step 3, dry ingot casting surface, solidification is torn when being cooled to 30-40 DEG C after dry using external force under the conditions of 80-100 DEG C
Wrapping layer afterwards obtains the mother alloy ingot after removing surface.
In the present invention, the agent structure for constituting wrapping layer is mixed using alkyd resin and magnesium chloride, alkyd resin is resistance to
Hot and water resistance is very good, and corrosion resistance and anti-organic matter solvability are also very good, while normal temperature strength is low, is very suitable for
For needing rapid curing in the present invention with raising efficiency and being easy to remove such characteristic from ingot casting surface.But existing alcohol
Acid resin is applied to still there is a problem of that curing rate is slow in the present invention, therefore using homemade alkyd tree in the present invention
Fat, the alkyd resin curing rate is fast, normal temperature strength is low, is highly suitable for needing rapid curing with raising efficiency in the present invention
And it is easy to remove such characteristic from ingot casting surface.The addition of magnesium chloride can then make to protect between wrapping layer and magnesium alloy ingot
Electric equilibrium is held, to ensure not generate any adverse effect to ingot casting surface.It is not met by this using only resin and curing agent
The demand of goal of the invention in invention, the present inventor is in practice, it has been found that form using only resin and curing agent component
Wrapping layer longer problem the time required to there is stripping, is also improved, is passed through first regarding to the issue above in the present invention
Add resurrection glass fibre and promote package layer thickness and skin-friction force, make it easier to be stripped, and be easier into
Operation in row step 3.
Secondly oxide powder and zinc and hydroxyl magnesium silicate be also added in the present invention as the ingredient with certain lubricating function, made
The wrapping layer that must be prepared can be eliminated under the conditions of certain temperature using external force appropriate.The easily peelable group with above-mentioned addition
Split-phase with and the problem of what is come is compatibility between solids and alkyd resin in component A, if being added undulation degree simply
Expect and lubricate powder, then resin is easy to solid powder layering, can not be applied at all, same in the present invention for the problem
When also added the paraffin that a small amount of carbon atom number is 25-30 and be used as activating agent, compatibility between adjusting solid component and resin
Problem, carbon atom number is the paraffin environmental protection of 25-30 and high temperature resistant, while also having very strong permeability, passes through and adds carbon original
Subnumber is the paraffin of 25-30 and is ground using planetary-type grinding machine, and the material liquid of uniform component can be obtained.In the present invention
Expanded graphite powder is also added simultaneously, expanded graphite powder is a kind of vermiform substance with loose and porous structure, in addition to having
Other than corrosion-resistant and self-lubricating property, in the case where encountering high temperature, larger expansion can occur for volume, and not only surface energy improves,
And adsorption capacity and it is moulding can significantly be promoted, have the effect of to the removal of wrapping layer in subsequent step very useful.Sulphur
Sour hydrogen sodium and alum are ackd salt, will not generate any corrosion to aluminium alloy cast ingot surface, need to avoid basic salt herein
It uses.
Further, in step 1, magnesium chloride, zinc oxide, hydroxyl magnesium silicate, niter cake, alum, expanded graphite
The granularity of powder is 0.05-0.1 μm.
Further, in step 1, the resurrection glass fibre length be 0.5-2mm, a diameter of 15-20 μm.Fiber
It is unsuitable long, the formation of wrapping layer is not otherwise utilized, while the diameter of fiber also needs in the reasonable scope, diameter is excessive then to packet
Covering layer thickness effect is excessive, too small, and effect is not achieved.
Further, in step 1, rice bran oil, n-butanol, phthalic anhydride, ethyl alcohol, TDI, diformazan in alkyd resin preparation process
Benzene, ethylene glycol mass ratio be 1：（0.4-0.5）：（0.2-0.3）：（2-3）：（0.2-0.25）：（0.1-0.2）：（0.08-
0.15）；The additive amount for being saturated lithium hydroxide solution is per 1 drop of 5ml reactants addition.
Further, in step 2, the additive amount of the alkyd resin curing agent is alkyd resin quality in step 1
10-12%。
Further, in step 2, the package layer thickness is 300-400 μm.
Further, 10-15 minutes a length of when dry in step 3.
Further, in step 3, the temperature that cools down after dry is 3-4 DEG C/s.
Further, in step 3, the wrapping layer hardness after drying is calculated as with pencil hardness within the scope of 2B-2H.Preferably,
In step 3, the wrapping layer hardness after drying is calculated as HB, F or H with pencil hardness.
The present invention has the following advantages：
The present invention provides a kind of removing surface method for magnesium alloy ingot, special material is utilized in method for cleaning of the invention
High molecular material curing characteristics in the cooperation of material and wrapping layer, being formed on pending magnesium alloy ingot surface has certain inhale
The wrapping layer of attached performance and oil removing performance, then to be torn using segregative characteristic between the wrapping layer and magnesium alloy ingot ontology
Except wrapping layer, while removing wrapping layer, the dirty of magnesium alloy ingot surface is equally had also been removed, while to magnesium alloy ingot
Surface has no effect.
Specific implementation mode
With reference to embodiment, the present invention will be described in detail.
Rodlike female conjunction is made according to chemical composition by cast magnesium alloy ZM-5, ZM-7, ZM-3, ZM-10 in the present embodiment
Golden ingot casting, above-mentioned mother alloy ingot uniform length are 5cm, a diameter of 1cm.The cast magnesium alloy of each trade mark is prepared into female conjunction
Golden stick ingot casting is used for subsequent experiment.
Embodiment 1
Magnesium alloy ingot removing surface method and step is as follows in the present embodiment：
Step 1 weighs raw material according to following component and mass fraction and prepares component A：
4 parts of magnesium chloride
6 parts of resurrection glass fibre
8 parts of zinc oxide
30 parts of alkyd resin
2 parts of hydroxyl magnesium silicate
2 parts of niter cake
2 parts of alum
4 parts of expanded graphite powder
Carbon atom number is 0.02 part of the paraffin of 25-30
The preparation method of alkyd resin is：Rice bran oil, n-butanol are mixed and are warming up to 118 DEG C, saturation lithium hydroxide solution is added dropwise
As catalyst, it is continuously heating to 250 DEG C of reaction 4h；It is cooled to 118 DEG C after completion of the reaction, then adds phthalic anhydride and ethyl alcohol, rises
Temperature is cooled to 50 DEG C, the TDI and dimethylbenzene being pre-mixed then is added dropwise, is added dropwise after completion of the reaction to 150 DEG C of reaction 4h
After be warming up to 100 DEG C of reaction 6h, be cooled to 55 DEG C after completion of the reaction, be then added ethylene glycol, natural cooling after insulated and stirred 2h,
Required alkyd resin is obtained after filtering.Rice bran oil in alkyd resin preparation process, n-butanol, phthalic anhydride, ethyl alcohol, TDI, dimethylbenzene,
The mass ratio of ethylene glycol is 1：0.47：0.24：2.05：0.23：0.18：0.11；It is every to be saturated the additive amount of lithium hydroxide solution
1 drop of 5ml reactants addition.
Resurrection glass fibre length be 1mm, a diameter of 20 μm.Magnesium chloride, zinc oxide, hydroxyl magnesium silicate, niter cake,
Alum, expanded graphite powder granularity be 0.05 μm.
It is ground to uniformly mixed in planetary-type grinding machine after above-mentioned raw materials are mixed and wherein solids size is less than 1 μ
M obtains component A.
Cleaning solution is made, the master alloy that then will be obtained after casting in component A and alkyd resin curing agent mixing by step 2
Ingot casting is dipped in cleaning solution immediately, and ingot casting is taken out after ingot casting surface forms wrapping layer.It is 400 μm to wrap up layer thickness.This implementation
It is commercially available alkyd resin curing agent to be used in example（Manufacturer：BASF）.
The additive amount of the alkyd resin curing agent is 11% of alkyd resin quality in step 1.
Step 3, dry ingot casting surface 15 minutes, are torn when being cooled to 40 DEG C after dry using external force under the conditions of 90 DEG C
Wrapping layer after solidification, the wrapping layer hardness after drying are calculated as F with pencil hardness, obtain the mother alloy ingot after removing surface,
Cooling temperature is 4 DEG C/s after wherein drying.
Embodiment 2
Cleanup step is similar to Example 1 in the present embodiment, the difference is that：The component and mass fraction of component A be：
6 parts of magnesium chloride
6 parts of resurrection glass fibre
7.5 parts of zinc oxide
30 parts of alkyd resin
2 parts of hydroxyl magnesium silicate
2 parts of niter cake
1- parts of alum
3 parts of expanded graphite powder
Carbon atom number is 0.03 part of the paraffin of 25-30.
Comparative example 1
Surface clean is carried out to magnesium alloy ingot using hydrochloric acid pickler in this comparative example.
Comparative example 2
Surface is carried out to magnesium alloy ingot using the mixed-alkali washing lotion of sodium hydroxide+sodium bicarbonate+sodium carbonate in this comparative example
Cleaning.
Comparative example 3
Surface clean is carried out to magnesium alloy ingot using commercially available organic cleaning agent in this comparative example.
The ingot casting quantity cleaned in above-described embodiment and comparative example is 100, and cleaning qualification rate is as shown in the table
（Cleaning result be indicated with cleaning qualification rate, with ingot casting surface without greasy dirt, without current mark, without clast residual for qualification, have one
Item is not met, and is denoted as unqualified）.
As can be seen from the above-described embodiment, the cooperation of special material and macromolecule material are utilized in method for cleaning of the invention
Expect curing characteristics, forms the wrapping layer with certain absorption property and oil removing performance on pending magnesium alloy ingot surface, so
Afterwards to remove wrapping layer using segregative characteristic between the wrapping layer and magnesium alloy ingot ontology, the same of wrapping layer is being removed
When, the dirty of magnesium alloy ingot surface is equally had also been removed, while having no effect to magnesium alloy ingot surface.
Finally, it should be noted that above example be only to illustrate the embodiment of the present invention technical solution rather than to its into
Row limitation, although the embodiment of the present invention is described in detail with reference to preferred embodiment, those skilled in the art
It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are changed or wait
The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (10)
1. a kind of magnesium alloy ingot removing surface method, it is characterised in that include the following steps：
Step 1 weighs raw material according to following component and mass fraction and prepares component A：
4-6 parts of magnesium chloride
3-6 parts of resurrection glass fibre
6-8 parts of zinc oxide
28-30 parts of alkyd resin
2-3 parts of hydroxyl magnesium silicate
2-3 parts of niter cake
1-2 parts of alum
3-4 parts of expanded graphite powder
Carbon atom number is 0.02-0.03 parts of the paraffin of 25-30
The preparation method of the alkyd resin is：Rice bran oil, n-butanol are mixed and are warming up to 115-120 DEG C, saturation hydrogen-oxygen is added dropwise
Change lithium solution as catalyst, is continuously heating to 250 DEG C of reaction 4-6h；It is cooled to 115-120 DEG C after completion of the reaction, then adds
Phthalic anhydride and ethyl alcohol are warming up to 150-160 DEG C of reaction 4-6h, are cooled to 50-60 DEG C after completion of the reaction, is then added dropwise and is pre-mixed
TDI and dimethylbenzene, be warming up to after being added dropwise 100-105 DEG C reaction 6-8h, be cooled to 50-60 DEG C after completion of the reaction, then
Ethylene glycol is added, natural cooling after insulated and stirred 2-4h obtains required alkyd resin after filtering；
It is ground to uniformly mixed in planetary-type grinding machine after above-mentioned raw materials are mixed and wherein solids size is less than 1 μm, obtain
To component A；
Cleaning solution is made, the mother alloy ingot that then will be obtained after casting in component A and alkyd resin curing agent mixing by step 2
It is dipped in cleaning solution immediately, ingot casting is taken out after ingot casting surface forms wrapping layer；
The additive amount of the alkyd resin curing agent is the 8-15% of alkyd resin quality in step 1；
Step 3, dry ingot casting surface, solidification is torn when being cooled to 30-40 DEG C after dry using external force under the conditions of 80-100 DEG C
Wrapping layer afterwards obtains the mother alloy ingot after removing surface.
2. magnesium alloy ingot removing surface method as described in claim 1, it is characterised in that：In step 1, magnesium chloride, oxidation
Zinc, hydroxyl magnesium silicate, niter cake, alum, expanded graphite powder granularity be 0.05-0.1 μm.
3. magnesium alloy ingot removing surface method as described in claim 1, it is characterised in that：In step 1, the high silica glass
Glass fibre length be 0.5-2mm, a diameter of 15-20 μm.
4. magnesium alloy ingot removing surface method as described in claim 1, it is characterised in that：In step 1, prepared by alkyd resin
In the process rice bran oil, n-butanol, phthalic anhydride, ethyl alcohol, TDI, dimethylbenzene, ethylene glycol mass ratio be 1：（0.4-0.5）：（0.2-
0.3）：（2-3）：（0.2-0.25）：（0.1-0.2）：（0.08-0.15）；The additive amount for being saturated lithium hydroxide solution is anti-per 5ml
Answer 1 drop of object addition.
5. magnesium alloy ingot removing surface method as described in claim 1, it is characterised in that：In step 2, the alkyd resin
The additive amount of curing agent is the 10-12% of alkyd resin quality in step 1.
6. magnesium alloy ingot removing surface method as described in claim 1, it is characterised in that：In step 2, the package thickness
Degree is 300-400 μm.
7. magnesium alloy ingot removing surface method as described in claim 1, it is characterised in that：In step 3, a length of 10- when dry
15 minutes.
8. magnesium alloy ingot removing surface method as described in claim 1, it is characterised in that：In step 3, cool down temperature after dry
Degree is 3-4 DEG C/s.
9. magnesium alloy ingot removing surface method as described in claim 1, it is characterised in that：In step 3, the package after drying
Layer hardness is calculated as with pencil hardness within the scope of 2B-2H.
10. magnesium alloy ingot removing surface method as described in claim 1, it is characterised in that：In step 3, the package after drying
Layer hardness is calculated as HB, F or H with pencil hardness.
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| CN201810449093.4A CN108587423B (en) | 2018-05-11 | 2018-05-11 | Magnesium alloy ingot surface cleaning method |
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|---|---|---|---|---|
| CN101037555A (en) * | 2007-03-29 | 2007-09-19 | 武汉工程大学 | Inorganic nonmetal magnetic conducting coating and preparation method thereof |
| CN101967630A (en) * | 2009-07-28 | 2011-02-09 | 中国科学院金属研究所 | Method for preparing catalyst layer on surface of magnesium and magnesium alloy by chemical plating of nickel and nickel-phosphorus alloy |
| CN102372993A (en) * | 2010-08-25 | 2012-03-14 | 苏州美亚美建筑涂料有限公司 | Zinc oxide- epoxy resin solar heat reflection coating color-changing coating |
| CN105860826A (en) * | 2015-01-19 | 2016-08-17 | 深圳市堃琦鑫华股份有限公司 | Surface conditioning agent and adhesive membrane |
| KR20170112229A (en) * | 2016-03-31 | 2017-10-12 | 주식회사 나노솔루션 | Thermally conductive carbon filler and method for preparing the same |
-
2018
- 2018-05-11 CN CN201810449093.4A patent/CN108587423B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037555A (en) * | 2007-03-29 | 2007-09-19 | 武汉工程大学 | Inorganic nonmetal magnetic conducting coating and preparation method thereof |
| CN101967630A (en) * | 2009-07-28 | 2011-02-09 | 中国科学院金属研究所 | Method for preparing catalyst layer on surface of magnesium and magnesium alloy by chemical plating of nickel and nickel-phosphorus alloy |
| CN102372993A (en) * | 2010-08-25 | 2012-03-14 | 苏州美亚美建筑涂料有限公司 | Zinc oxide- epoxy resin solar heat reflection coating color-changing coating |
| CN105860826A (en) * | 2015-01-19 | 2016-08-17 | 深圳市堃琦鑫华股份有限公司 | Surface conditioning agent and adhesive membrane |
| KR20170112229A (en) * | 2016-03-31 | 2017-10-12 | 주식회사 나노솔루션 | Thermally conductive carbon filler and method for preparing the same |
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| CN108587423B (en) | 2020-06-23 |
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