CN106590077A - Treatment process of corrosion-resistant and wear-resistant type water pump piston - Google Patents
Treatment process of corrosion-resistant and wear-resistant type water pump piston Download PDFInfo
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
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- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/20—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for coatings strippable as coherent films, e.g. temporary coatings strippable as coherent films
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Abstract
The invention discloses a treatment process of a corrosion-resistant and wear-resistant type water pump piston. From inside to outside, the surface of the piston is sequentially coated with a corrosion-resistant metal coating and a strippable anticorrosive coating, and the corrosion-resistant metal coating comprises the following components in percentage by mass: 0.02-0.05% of C, 0.33-0.37% of Zn, 0.32-0.35% of Cu, 0.25-0.28% of W, 0.75-0.78% of Nb, 8.32-8.35% of Cr, 0.27-0.29% of Si, 0.52-0.55% of Mo, 0.13-0.15% of Co, 3.4-3.6% of Al, 2.65-2.68% of rare earth, and the balance of Fe and trace impurities, wherein the rare earth comprises the following components in percentage by weight: 3.2-3.5% of La, 2.6-2.8% of Tm, 5.2-5.6% of Ho, 5.5-5.8% of Tb, 4.1-4.3% of Eu, 12.5-12.8% of Sm, and the balance of Gd.
Description
Technical field
The invention belongs to technical field of textile equipment, particularly a kind of place's science and engineering of anti-corrosion abrasion-resistant type water piston
Skill.
Background technology
The existing buffer for industrial water pump adopts oil system piston structure at present, to reach the beam of a loom warp let-off timely
Piston is bored oil guiding hole by effect, is connected lower oil cavitie, is accelerated the reaction action of buffer；But this buffer lacks adjustable
Property, it is impossible to adapt to different cloth base products and let-off mechanism response speed is required；Simultaneously as the response speed of buffer is accelerated,
During weaving cotton cloth, easily cause, leverage the textile quality of cloth, cause raw material
Waste and cost increase.
The content of the invention
The present invention provides a kind of anti-corrosion abrasion-resistant type water piston to solve technical problem present in known technology
Handling process.
The present invention is adopted the technical scheme that by solving technical problem present in known technology：It is a kind of anticorrosive wear-resisting
The handling process of damage type water piston, the surface from-inner-to-outer of piston are sequentially coated with corrosion resistant metal coating and strippable anticorrosive
Coating, the component of corrosion resistant metal coating is by mass percentage：C：0.02-0.05%, Zn：0.33-0.37%, Cu：0.32-
0.35%, W：0.25-0.28%, Nb：0.75-0.78%, Cr：8.32-8.35%, Si：0.27-0.29%, Mo：0.52-0.55%,
Co：0.13-0.15%, Al：3.4-3.6%, rare earth：2.65-2.68%, remaining is Fe and trace impurity；
In rare earth, by weight percentage comprising following components：La：3.2-3.5%, Tm：2.6-2.8%, Ho：5.2-5.6%, Tb：
5.5-5.8%, Eu：4.1-4.3%, Sm：12.5-12.8%, balance of Gd；
The preparation method of corrosion resistant metal coating is carried out according to the following steps：
Step（1）：Rare earth is divided into into two parts first, first part for total amount of rare earth 1/4, second part for total amount of rare earth 3/4, by C,
Zn, Cu, W, Nb, Cr, Si, Mo, Co, Al, Fe, first part of rare earth are put in reacting furnace, are heated to 900-1300 DEG C, are incubated 3-5
Hour, 550-560 DEG C is then air cooled to, 670-690 DEG C is then again heated to, second part of rare earth is put in reacting furnace, protected
Warm 30-45min, is then air cooled to room temperature, crushes, cross 200 mesh numbers, obtain metal dust A in being then placed in ball mill；
Step（2）：Metal dust A in step 1 is sprayed into into piston face using spraying equipment, thickness is 0.05-0.08mm,
1300-1400 DEG C is then heated to, 5-8 hours is incubated, is then air cooled to room temperature, metal dust A is sprayed into into work again then
Plug surface, thickness is 0.2-0.5mm, is then air cooled to 600-650 DEG C, is incubated 15-20min, is then put into rapidly in cold water fast
Quickly cooling but, is cooled to 200-250 DEG C of rapid taking-up, is then again heated to 400-450 DEG C, is incubated 5-8 hours, then air cooling
To room temperature；
Step（3）：Piston is carried out into the heat treatment successively：Piston is heated to into 620-630 DEG C, 11-13h is incubated, is then used wind
The cold speed with 5-7 DEG C/s is cooled to room temperature；
Strippable anticorrosive coating is based on its mass parts including following components：Polyaminoester emulsion：60-65 parts, water：20-30 parts, fill out
Material：5-10 parts, modified silicasol：5-10 parts, wetting agent：0.1-0.3 parts, dispersant：0.8-1.5 parts, thickening agent：0.6-0.9
Part, defoamer：0.2-0.4 parts, levelling agent：0.4-0.8 parts, remover：1-2 parts, wherein, filler be Muscovitum, wollastonite
And the mixture of calcium carbonate superfine powder, its Muscovitum, wollastonite, the mass ratio of calcium carbonate superfine powder are 8:2；Dispersant be 12
Sodium alkyl benzene sulfonate；Thickening agent be RheoT30；Defoamer be DOW CORNING 62；Levelling agent be polyether-modified dimethyl-silicon
Oxygen alkane；Remover be aqueouss stearic acid；
The preparation method of modified silicasol be：
Alkaline silica sol is taken in the there-necked flask equipped with reflux, and silane coupler is dissolved in dehydrated alcohol is formed molten
Liquid, is to be added dropwise in alkaline silica sol under 200-250r/min stirrings in rotating speed, and drop speed is 2s/d, in 50-60 after dripping
Insulated and stirred 7-8h at DEG C, that is, obtain modified silicasol；
Wherein, silane coupler be γ-（The third oxygen of 2,3- epoxies）Propyl trimethoxy silicane or γ-methacryloxy third
One kind in base trimethoxy silane；Alkaline silica sol and dehydrated alcohol mass ratio be 1:1.2-1.5.
Further, the handling process of aforesaid anti-corrosion abrasion-resistant type water piston, the component of corrosion resistant metal coating are pressed
Mass percent is：C：0.05%, Zn：0.37%, Cu：0.35%, W：0.28%, Nb：0.78%, Cr：8.35%, Si：0.29%, Mo：
0.55%, Co：0.15%, Al：3.6%, rare earth：2.68%, remaining is Fe and trace impurity；
In rare earth, by weight percentage comprising following components：La：3.5%, Tm：2.8%, Ho：5.6%, Tb：5.8%, Eu：4.3%,
Sm：12.8%, balance of Gd；
The preparation method of corrosion resistant metal coating is carried out according to the following steps：
Step（1）：Rare earth is divided into into two parts first, first part for total amount of rare earth 1/4, second part for total amount of rare earth 3/4, by C,
Zn, Cu, W, Nb, Cr, Si, Mo, Co, Al, Fe, first part of rare earth are put in reacting furnace, are heated to 1250 DEG C, are incubated 4 hours, so
After be air cooled to 555 DEG C, be then again heated to 685 DEG C, second part of rare earth be put in reacting furnace, be incubated 43min, then air cooling
To room temperature, crush in being then placed in ball mill, cross 200 mesh numbers, obtain metal dust A；
Step（2）：Metal dust A in step 1 is sprayed into into piston face using spraying equipment, thickness is 0.07mm, then
1350 DEG C are heated to, 7 hours are incubated, are then air cooled to room temperature, metal dust A is sprayed into into piston face, thickness again then
For 0.3mm, be then air cooled to 625 DEG C, be incubated 18min, quickly cool down in being then put into rapidly cold water, be cooled to 225 DEG C it is fast
Speed is taken out, and is then again heated to 430 DEG C, is incubated 7 hours, is then air cooled to room temperature；
Step（3）：Piston is carried out into the heat treatment successively：Piston is heated to into 625 DEG C, be incubated 12h, then with it is air-cooled with 6 DEG C/
The speed of s is cooled to room temperature；
Strippable anticorrosive coating is coated with filter screen, coating is based on its mass parts including following components：Polyaminoester emulsion：61 parts,
Water：25 parts, filler：6 parts, modified silicasol：8 parts, wetting agent：0.2 part, dispersant：1.1 parts, thickening agent：0.7 part, froth breaking
Agent：0.3 part, levelling agent：0.6 part, remover：1 part.
Further, the handling process of aforesaid anti-corrosion abrasion-resistant type water piston, the component of corrosion resistant metal coating are pressed
Mass percent is：C：0.03%, Zn：0.35%, Cu：0.34%, W：0.27%, Nb：0.76%, Cr：8.34%, Si：0.28%, Mo：
0.53%, Co：0.14%, Al：3.5%, rare earth：2.67%, remaining is Fe and trace impurity；
In rare earth, by weight percentage comprising following components：La：3.3%, Tm：2.7%, Ho：5.5%, Tb：5.7%, Eu：4.2%,
Sm：12.7%, balance of Gd；
The preparation method of corrosion resistant metal coating is carried out according to the following steps：
Step（1）：Rare earth is divided into into two parts first, first part for total amount of rare earth 1/4, second part for total amount of rare earth 3/4, by C,
Zn, Cu, W, Nb, Cr, Si, Mo, Co, Al, Fe, first part of rare earth are put in reacting furnace, are heated to 1150 DEG C, are incubated 4 hours, so
After be air cooled to 558 DEG C, be then again heated to 680 DEG C, second part of rare earth be put in reacting furnace, be incubated 39min, then air cooling
To room temperature, crush in being then placed in ball mill, cross 200 mesh numbers, obtain metal dust A；
Step（2）：Metal dust A in step 1 is sprayed into into piston face using spraying equipment, thickness is 0.07mm, then
1310 DEG C are heated to, 6 hours are incubated, are then air cooled to room temperature, metal dust A is sprayed into into piston face, thickness again then
For 0.4mm, be then air cooled to 635 DEG C, be incubated 18min, quickly cool down in being then put into rapidly cold water, be cooled to 230 DEG C it is fast
Speed is taken out, and is then again heated to 430 DEG C, is incubated 8 hours, is then air cooled to room temperature；
Step（3）：Piston is carried out into the heat treatment successively：Piston is heated to into 628 DEG C, be incubated 11h, then with it is air-cooled with 7 DEG C/
The speed of s is cooled to room temperature, cleans surface, checks size；
Strippable anticorrosive coating is coated with filter screen, coating is based on its mass parts including following components：Polyaminoester emulsion：63 parts,
Water：27 parts, filler：7 parts, modified silicasol：8 parts, wetting agent：0.27 part, dispersant：1.3 parts, thickening agent：0.72 part, froth breaking
Agent：0.27 part, levelling agent：0.72 part, remover：1.5 part.
The present invention has the advantages and positive effects that：Cu elements are added in coating can increase the intensity and antioxygen of coating
Change performance, improve service life；Add W elements improve its welding performance, increase its corrosion resistance and intensity；Addition Cr,
Mo elements can increase the anticorrosive effect of coating surface, and crocking resistance and resistance to elevated temperatures are significantly improved, and increasing which makes
With the life-span, and rare earth element is also added into, rare earth element is heated at twice, adds for the first time and plays a part of catalyst, have
Help reduce the gap between crystal grain, improve bulk strength, second addition rare earth helps lend some impetus to the knot between each element
Close, form fine and close crystal grain, improve intensity and wear-resisting, decay resistance；
Rare earth element increases constitutional supercooling in heat treatment, crystal grain thinning, reduce secondary intergranular away from, reduce gas in alloy and
It is mingled with, and makes constituent phases tend to nodularization；Smelt surface tension can be also reduced, is increased mobility, processing performance is had significantly
Improve, increase the decay resistance of coating.
Specific embodiment
For the content of the invention, feature and effect of the present invention can be further appreciated that, hereby enumerate following examples and describe in detail such as
Under.
Embodiment 1
A kind of handling process of anti-corrosion abrasion-resistant type water piston is present embodiments provided, the surface from-inner-to-outer of piston is successively
Corrosion resistant metal coating and strippable anticorrosive coating are coated with, the component of corrosion resistant metal coating is by mass percentage：C：
0.05%, Zn：0.37%, Cu：0.35%, W：0.28%, Nb：0.78%, Cr：8.35%, Si：0.29%, Mo：0.55%, Co：0.15%,
Al：3.6%, rare earth：2.68%, remaining is Fe and trace impurity；
In rare earth, by weight percentage comprising following components：La：3.5%, Tm：2.8%, Ho：5.6%, Tb：5.8%, Eu：4.3%,
Sm：12.8%, balance of Gd；
The preparation method of corrosion resistant metal coating is carried out according to the following steps：
Step（1）：Rare earth is divided into into two parts first, first part for total amount of rare earth 1/4, second part for total amount of rare earth 3/4, by C,
Zn, Cu, W, Nb, Cr, Si, Mo, Co, Al, Fe, first part of rare earth are put in reacting furnace, are heated to 1250 DEG C, are incubated 4 hours, so
After be air cooled to 555 DEG C, be then again heated to 685 DEG C, second part of rare earth be put in reacting furnace, be incubated 43min, then air cooling
To room temperature, crush in being then placed in ball mill, cross 200 mesh numbers, obtain metal dust A；
Step（2）：Metal dust A in step 1 is sprayed into into piston face using spraying equipment, thickness is 0.07mm, then
1350 DEG C are heated to, 7 hours are incubated, are then air cooled to room temperature, metal dust A is sprayed into into piston face, thickness again then
For 0.3mm, be then air cooled to 625 DEG C, be incubated 18min, quickly cool down in being then put into rapidly cold water, be cooled to 225 DEG C it is fast
Speed is taken out, and is then again heated to 430 DEG C, is incubated 7 hours, is then air cooled to room temperature；
Step（3）：Piston is carried out into the heat treatment successively：Piston is heated to into 625 DEG C, be incubated 12h, then with it is air-cooled with 6 DEG C/
The speed of s is cooled to room temperature；
Strippable anticorrosive coating is coated with filter screen, coating is based on its mass parts including following components：Polyaminoester emulsion：61 parts,
Water：25 parts, filler：6 parts, modified silicasol：8 parts, wetting agent：0.2 part, dispersant：1.1 parts, thickening agent：0.7 part, froth breaking
Agent：0.3 part, levelling agent：0.6 part, remover：1 part, wherein, filler be the mixed of Muscovitum, wollastonite and calcium carbonate superfine powder
Compound, its Muscovitum, wollastonite, the mass ratio of calcium carbonate superfine powder are 8:2；Dispersant be dodecylbenzene sodium sulfonate；Increasing
Thick dose is RheoT30；Defoamer be DOW CORNING 62；Levelling agent be polyether-modified dimethyl siloxane；Remover be water
Property stearic acid；
The preparation method of modified silicasol be：
Alkaline silica sol is taken in the there-necked flask equipped with reflux, and silane coupler is dissolved in dehydrated alcohol is formed molten
Liquid, is to be added dropwise in alkaline silica sol under 200-250r/min stirrings in rotating speed, and drop speed is 2s/d, in 50-60 after dripping
Insulated and stirred 7-8h at DEG C, that is, obtain modified silicasol；
Wherein, silane coupler be γ-（The third oxygen of 2,3- epoxies）Propyl trimethoxy silicane or γ-methacryloxy third
One kind in base trimethoxy silane；Alkaline silica sol and dehydrated alcohol mass ratio be 1:1.2-1.5.
Embodiment 2
A kind of handling process of anti-corrosion abrasion-resistant type water piston is present embodiments provided, the surface from-inner-to-outer of piston is successively
Corrosion resistant metal coating and strippable anticorrosive coating are coated with, the component of corrosion resistant metal coating is by mass percentage：C：
0.03%, Zn：0.35%, Cu：0.34%, W：0.27%, Nb：0.76%, Cr：8.34%, Si：0.28%, Mo：0.53%, Co：0.14%,
Al：3.5%, rare earth：2.67%, remaining is Fe and trace impurity；
In rare earth, by weight percentage comprising following components：La：3.3%, Tm：2.7%, Ho：5.5%, Tb：5.7%, Eu：4.2%,
Sm：12.7%, balance of Gd；
The preparation method of corrosion resistant metal coating is carried out according to the following steps：
Step（1）：Rare earth is divided into into two parts first, first part for total amount of rare earth 1/4, second part for total amount of rare earth 3/4, by C,
Zn, Cu, W, Nb, Cr, Si, Mo, Co, Al, Fe, first part of rare earth are put in reacting furnace, are heated to 1150 DEG C, are incubated 4 hours, so
After be air cooled to 558 DEG C, be then again heated to 680 DEG C, second part of rare earth be put in reacting furnace, be incubated 39min, then air cooling
To room temperature, crush in being then placed in ball mill, cross 200 mesh numbers, obtain metal dust A；
Step（2）：Metal dust A in step 1 is sprayed into into piston face using spraying equipment, thickness is 0.07mm, then
1310 DEG C are heated to, 6 hours are incubated, are then air cooled to room temperature, metal dust A is sprayed into into piston face, thickness again then
For 0.4mm, be then air cooled to 635 DEG C, be incubated 18min, quickly cool down in being then put into rapidly cold water, be cooled to 230 DEG C it is fast
Speed is taken out, and is then again heated to 430 DEG C, is incubated 8 hours, is then air cooled to room temperature；
Step（3）：Piston is carried out into the heat treatment successively：Piston is heated to into 628 DEG C, be incubated 11h, then with it is air-cooled with 7 DEG C/
The speed of s is cooled to room temperature, cleans surface, checks size；
Strippable anticorrosive coating is coated with filter screen, coating is based on its mass parts including following components：Polyaminoester emulsion：63 parts,
Water：27 parts, filler：7 parts, modified silicasol：8 parts, wetting agent：0.27 part, dispersant：1.3 parts, thickening agent：0.72 part, froth breaking
Agent：0.27 part, levelling agent：0.72 part, remover：1.5 part；Wherein, filler is Muscovitum, wollastonite and calcium carbonate superfine powder
Mixture, its Muscovitum, wollastonite, calcium carbonate superfine powder mass ratio be 8:2；Dispersant be dodecylbenzene sodium sulfonate；
Thickening agent be RheoT30；Defoamer be DOW CORNING 62；Levelling agent be polyether-modified dimethyl siloxane；Remover
For aqueouss stearic acid；
The preparation method of modified silicasol be：
Alkaline silica sol is taken in the there-necked flask equipped with reflux, and silane coupler is dissolved in dehydrated alcohol is formed molten
Liquid, is to be added dropwise in alkaline silica sol under 200-250r/min stirrings in rotating speed, and drop speed is 2s/d, in 50-60 after dripping
Insulated and stirred 7-8h at DEG C, that is, obtain modified silicasol；
Wherein, silane coupler be γ-（The third oxygen of 2,3- epoxies）Propyl trimethoxy silicane or γ-methacryloxy third
One kind in base trimethoxy silane；Alkaline silica sol and dehydrated alcohol mass ratio be 1:1.2-1.5.
The above is only to presently preferred embodiments of the present invention, not make any pro forma restriction to the present invention, it is every
According to the technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, this is belonged to
In the range of bright technical scheme.
Claims (3)
1. a kind of handling process of anti-corrosion abrasion-resistant type water piston, the surface from-inner-to-outer of the piston are sequentially coated with resistance to
Corrode metal coating and strippable anticorrosive coating, the component of the corrosion resistant metal coating is by mass percentage：C：0.02-
0.05%, Zn：0.33-0.37%, Cu：0.32-0.35%, W：0.25-0.28%, Nb：0.75-0.78%, Cr：8.32-8.35%,
Si：0.27-0.29%, Mo：0.52-0.55%, Co：0.13-0.15%, Al：3.4-3.6%, rare earth：2.65-2.68%, remaining is
Fe and trace impurity；
In the rare earth, by weight percentage comprising following components：La：3.2-3.5%, Tm：2.6-2.8%, Ho：5.2-5.6%,
Tb：5.5-5.8%, Eu：4.1-4.3%, Sm：12.5-12.8%, balance of Gd；
The preparation method of the corrosion resistant metal coating is carried out according to the following steps：
Step（1）：Rare earth is divided into into two parts first, first part for total amount of rare earth 1/4, second part for total amount of rare earth 3/4, by C,
Zn, Cu, W, Nb, Cr, Si, Mo, Co, Al, Fe, first part of rare earth are put in reacting furnace, are heated to 900-1300 DEG C, are incubated 3-5
Hour, 550-560 DEG C is then air cooled to, 670-690 DEG C is then again heated to, second part of rare earth is put in reacting furnace, protected
Warm 30-45min, is then air cooled to room temperature, crushes, cross 200 mesh numbers, obtain metal dust A in being then placed in ball mill；
Step（2）：Metal dust A in step 1 is sprayed into into piston face using spraying equipment, thickness is 0.05-0.08mm,
1300-1400 DEG C is then heated to, 5-8 hours is incubated, is then air cooled to room temperature, metal dust A is sprayed into into work again then
Plug surface, thickness is 0.2-0.5mm, is then air cooled to 600-650 DEG C, is incubated 15-20min, is then put into rapidly in cold water fast
Quickly cooling but, is cooled to 200-250 DEG C of rapid taking-up, is then again heated to 400-450 DEG C, is incubated 5-8 hours, then air cooling
To room temperature；
Step（3）：Piston is carried out into the heat treatment successively：Piston is heated to into 620-630 DEG C, 11-13h is incubated, is then used wind
The cold speed with 5-7 DEG C/s is cooled to room temperature；
Strippable anticorrosive coating is based on its mass parts including following components：Polyaminoester emulsion：60-65 parts, water：20-30 parts, fill out
Material：5-10 parts, modified silicasol：5-10 parts, wetting agent：0.1-0.3 parts, dispersant：0.8-1.5 parts, thickening agent：0.6-0.9
Part, defoamer：0.2-0.4 parts, levelling agent：0.4-0.8 parts, remover：1-2 parts, wherein, described filler is Muscovitum, silicon
The mixture of lime stone and calcium carbonate superfine powder, its Muscovitum, wollastonite, the mass ratio of calcium carbonate superfine powder are 8:2；Described dispersion
Agent is dodecylbenzene sodium sulfonate；Described thickening agent is RheoT30；Described defoamer is DOW CORNING 62；Described levelling
Agent is polyether-modified dimethyl siloxane；Described remover is aqueouss stearic acid；
The preparation method of described modified silicasol is：
Alkaline silica sol is taken in the there-necked flask equipped with reflux, and silane coupler is dissolved in dehydrated alcohol is formed molten
Liquid, is to be added dropwise in alkaline silica sol under 200-250r/min stirrings in rotating speed, and drop speed is 2s/d, in 50-60 after dripping
Insulated and stirred 7-8h at DEG C, that is, obtain modified silicasol；
Wherein, described silane coupler be γ-（The third oxygen of 2,3- epoxies）Propyl trimethoxy silicane or γ-methacryloxypropyl
One kind in base propyl trimethoxy silicane；The mass ratio of described alkaline silica sol and dehydrated alcohol is 1:1.2-1.5.
2. the handling process of anti-corrosion abrasion-resistant type water piston according to claim 1, it is characterised in that：The corrosion resistant
Erosion metal coating component be by mass percentage：C：0.05%, Zn：0.37%, Cu：0.35%, W：0.28%, Nb：0.78%, Cr：
8.35%, Si：0.29%, Mo：0.55%, Co：0.15%, Al：3.6%, rare earth：2.68%, remaining is Fe and trace impurity；
In the rare earth, by weight percentage comprising following components：La：3.5%, Tm：2.8%, Ho：5.6%, Tb：5.8%, Eu：
4.3%, Sm：12.8%, balance of Gd；
The preparation method of the corrosion resistant metal coating is carried out according to the following steps：
Step（1）：Rare earth is divided into into two parts first, first part for total amount of rare earth 1/4, second part for total amount of rare earth 3/4, by C,
Zn, Cu, W, Nb, Cr, Si, Mo, Co, Al, Fe, first part of rare earth are put in reacting furnace, are heated to 1250 DEG C, are incubated 4 hours, so
After be air cooled to 555 DEG C, be then again heated to 685 DEG C, second part of rare earth be put in reacting furnace, be incubated 43min, then air cooling
To room temperature, crush in being then placed in ball mill, cross 200 mesh numbers, obtain metal dust A；
Step（2）：Metal dust A in step 1 is sprayed into into piston face using spraying equipment, thickness is 0.07mm, then
1350 DEG C are heated to, 7 hours are incubated, are then air cooled to room temperature, metal dust A is sprayed into into piston face, thickness again then
For 0.3mm, be then air cooled to 625 DEG C, be incubated 18min, quickly cool down in being then put into rapidly cold water, be cooled to 225 DEG C it is fast
Speed is taken out, and is then again heated to 430 DEG C, is incubated 7 hours, is then air cooled to room temperature；
Step（3）：Piston is carried out into the heat treatment successively：Piston is heated to into 625 DEG C, be incubated 12h, then with it is air-cooled with 6 DEG C/
The speed of s is cooled to room temperature；
Strippable anticorrosive coating is coated with the filter screen, coating is based on its mass parts including following components：Polyaminoester emulsion：61
Part, water：25 parts, filler：6 parts, modified silicasol：8 parts, wetting agent：0.2 part, dispersant：1.1 parts, thickening agent：0.7 part, disappear
Infusion：0.3 part, levelling agent：0.6 part, remover：1 part.
3. the handling process of anti-corrosion abrasion-resistant type water piston according to claim 1, it is characterised in that：The corrosion resistant
Erosion metal coating component be by mass percentage：C：0.03%, Zn：0.35%, Cu：0.34%, W：0.27%, Nb：0.76%, Cr：
8.34%, Si：0.28%, Mo：0.53%, Co：0.14%, Al：3.5%, rare earth：2.67%, remaining is Fe and trace impurity；
In the rare earth, by weight percentage comprising following components：La：3.3%, Tm：2.7%, Ho：5.5%, Tb：5.7%, Eu：
4.2%, Sm：12.7%, balance of Gd；
The preparation method of the corrosion resistant metal coating is carried out according to the following steps：
Step（1）：Rare earth is divided into into two parts first, first part for total amount of rare earth 1/4, second part for total amount of rare earth 3/4, by C,
Zn, Cu, W, Nb, Cr, Si, Mo, Co, Al, Fe, first part of rare earth are put in reacting furnace, are heated to 1150 DEG C, are incubated 4 hours, so
After be air cooled to 558 DEG C, be then again heated to 680 DEG C, second part of rare earth be put in reacting furnace, be incubated 39min, then air cooling
To room temperature, crush in being then placed in ball mill, cross 200 mesh numbers, obtain metal dust A；
Step（2）：Metal dust A in step 1 is sprayed into into piston face using spraying equipment, thickness is 0.07mm, then
1310 DEG C are heated to, 6 hours are incubated, are then air cooled to room temperature, metal dust A is sprayed into into piston face, thickness again then
For 0.4mm, be then air cooled to 635 DEG C, be incubated 18min, quickly cool down in being then put into rapidly cold water, be cooled to 230 DEG C it is fast
Speed is taken out, and is then again heated to 430 DEG C, is incubated 8 hours, is then air cooled to room temperature；
Step（3）：Piston is carried out into the heat treatment successively：Piston is heated to into 628 DEG C, be incubated 11h, then with it is air-cooled with 7 DEG C/
The speed of s is cooled to room temperature, cleans surface, checks size；
Strippable anticorrosive coating is coated with the filter screen, coating is based on its mass parts including following components：Polyaminoester emulsion：63
Part, water：27 parts, filler：7 parts, modified silicasol：8 parts, wetting agent：0.27 part, dispersant：1.3 parts, thickening agent：0.72 part,
Defoamer：0.27 part, levelling agent：0.72 part, remover：1.5 part.
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| CN201611162919.6A CN106590077A (en) | 2016-12-15 | 2016-12-15 | Treatment process of corrosion-resistant and wear-resistant type water pump piston |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192299A (en) * | 2021-12-22 | 2022-03-18 | 武船重型工程股份有限公司 | Production process of steel beam and steel beam |
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| CN102264937A (en) * | 2008-12-24 | 2011-11-30 | 杰富意钢铁株式会社 | Corrosion-resistant steel material for crude oil tanker |
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| US20050146162A1 (en) * | 2003-12-19 | 2005-07-07 | Daimlerchrysler Ag | Stainless frame construction for motor vehicles |
| CN102264937A (en) * | 2008-12-24 | 2011-11-30 | 杰富意钢铁株式会社 | Corrosion-resistant steel material for crude oil tanker |
| CN105176356A (en) * | 2015-10-20 | 2015-12-23 | 苏州赛斯德工程设备有限公司 | Waterborne strippable anticorrosive coating and preparation method thereof |
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