CN107177817A - It is a kind of while improving the handling process of carbon steel corrosion stability and wearability - Google Patents
It is a kind of while improving the handling process of carbon steel corrosion stability and wearability Download PDFInfo
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- CN107177817A CN107177817A CN201710206789.XA CN201710206789A CN107177817A CN 107177817 A CN107177817 A CN 107177817A CN 201710206789 A CN201710206789 A CN 201710206789A CN 107177817 A CN107177817 A CN 107177817A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
- C23C8/58—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions more than one element being applied in more than one step
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Abstract
The invention discloses a kind of while the handling process of raising carbon steel corrosion stability and wearability, comprises the following steps:Once cleaning-drying → secondary liquid oxidizing processing → secondary cleaning drying that trichloroethylene steam degreases → distilled water cleaning → preheating → salt-bath nitriding → time liquid oxidizing processing → vibropolish →.Through the above way, the handling process of carbon steel corrosion stability and wearability is improved while of the present invention, effect is oozed with preferably urging, can be in the short period of time, the complex chemical compound layer one layer thicker in the formation of carbon steel surface, uniform and finer and close with relatively low nitriding temperature, while the case hardness for making carbon steel acquisition high, lower energy consumption, improve production efficiency and benefit, the oxide-film of densification can be formed on compound layer surface simultaneously, the corrosion stability and wearability of carbon steel can be significantly improved.
Description
Technical field
The present invention relates to chemical heat treatment process technical field, more particularly to it is a kind of improve simultaneously carbon steel corrosion stability and
The handling process of wearability.
Background technology
A large amount of open air carbon steel parts, such as outdoor high-voltage switch, in use, on the one hand by outdoor ring
The etch in border and get rusty easily thinning；On the other hand, there is the wear phenomenon of carbon steel surface when switch slides up and down folding,
Therefore easy premature failure, service life is by larger limitation.
Generally use surface coating at present（It is zinc-plated）Method to improve the performance of carbon steel parts, although this technology
The corrosion resistance of parts is effectively improved, and the contribution to wearability is little, carbon steel parts hold after necessarily being worn and torn
Easily grind off chromium coating and make it that carbon steel matrix is exposed and come and easy generation environment pollution problem, cost is also higher.
In addition, during using traditional Quench-Polish-Quench technology technology, there is also surface compound layer thickness low LCL（General 5 ~ 15
μm）, tissue looseness, the problem of corrosion resistance is not enough.In a word, prior art is difficult to while solving corrosion and the mill of carbon steel parts
Damage problem, usually accelerates the abrasion of carbon steel, or cause surface due to the deficiency of wearability due to corrosion proof shortage
It is frayed, its original excellent corrosion resistance is destroyed, so as to highly shortened this kind of carbon steel zero of such as outdoor high-voltage switch
The service life of part.
The content of the invention
The present invention solves the technical problem of provide a kind of while improving the processing of carbon steel corrosion stability and wearability
Technique, complex chemical compound layer one layer thicker in the formation of carbon steel surface, uniform and finer and close, obtains carbon steel high
While case hardness, the oxide-film of densification can be formed on compound layer surface, the corrosion stability and wearability of carbon steel is improved.
In order to solve the above technical problems, one aspect of the present invention is：A kind of raising carbon steel simultaneously is provided
The handling process of corrosion stability and wearability, the fine and close wear-resisting compound base amount method layer against corrosion of thickness is formed in carbon steel surface, including
Following steps:
Step 1：Trichloroethylene steam is degreased, and carbon steel workpiece surface is degreased using trichloroethylene steam, 90 DEG C
Steam clean 2 ~ 3 minutes；
Step 2：Distilled water is cleaned, and surface clean, then rapid draing are carried out using distilled water；
Step 3：Preheating, 400 DEG C of hot environments are incubated 20 ~ 30min, workpiece surface is advisable in blueness or olive drab(O.D)；
Step 4：Salt-bath nitriding, using stainless steel crucible, while melting Yanbian plus salt, makes the height of nitridation salt be maintained at 3/4 crucible depth
At degree, 560 DEG C ~ 600 DEG C of salt-bath nitriding temperature, 90 ~ 150min of time；
Step 5：Liquid oxidizing processing, using stainless steel crucible, while melting Yanbian plus salt, makes the height of salt be maintained at 3/4 earthenware
Crucible depth, 410 ~ 430 DEG C of liquid oxidizing temperature, 40 ~ 60min of time；
Step 6：Vibropolish, green silicon carbide abrasive material and carbon steel special-purpose polishing liquid mass ratio are 25:1, polishing time 15 ~
30min, is advisable with just exposing metal background color；
Step 7：Once it is cleaned and dried；
Step 8：Secondary liquid oxidizing processing：Using stainless steel crucible, while melting Yanbian plus salt, the height of salt is set to be maintained at 3/4 earthenware
Crucible depth, 410 ~ 430 DEG C of liquid oxidizing temperature, 40 ~ 60min of time obtains carbon steel surface on the surface of carbon steel workpiece
Process layer；
Step 9：Secondary cleaning is dried.
In a preferred embodiment of the present invention, the trichloroethylene steam step that degreases is to put pending workpiece
Enter in rinse bath trichloroethylene steam area, vapor (steam) temperature is controlled at 90 DEG C, clean 2 minutes.
In a preferred embodiment of the present invention, the distilled water cleaning step is that the workpiece after oil removing is placed in into tank
In, it is rinsed using the distilled water of flowing, to remove the residue on workpiece, cleaning is transferred in drying baker after finishing,
150 DEG C of flash bakings.
In a preferred embodiment of the present invention, the preheating step is that the workpiece after cleaning is transferred into air resistance immediately
In stove, 400 DEG C of insulation 20min are advisable to workpiece surface in blueness or olive drab(O.D).
In a preferred embodiment of the present invention, the salt-bath nitriding step is that the stainless steel crucible of cleaning is placed in into well formula
In resistance furnace, and well formula resistance furnace temperature-control heat couple is close to crucible outer wall, furnace temperature is then increased to 600 DEG C, 3/4 is added
The base salt of crucible depth, starts to melt base salt, treats that base salt sinks in crucible, then appropriate addition base salt, base salt is kept identical height
Degree, that is to say 3/4 crucible depth, so repeated multiple times, and until base salt all melts, another thermocouple is inserted in saline solution
Portion, by controlling the temperature of resistance furnace saline solution temperature is maintained 560 DEG C of zero load 4h, treats salt-bath nitriding, nitriding temperature for 560 DEG C ~
600 DEG C, it is incubated 90 ~ 150min.
In a preferred embodiment of the present invention, a liquid oxidizing process step is by the stainless steel crucible of cleaning
Well formula resistance furnace is placed in, and resistance furnace temperature-control heat couple is close to crucible outer wall, furnace temperature is then maintained 300 DEG C, then added
The saline oxide of half depth, is incubated to after all melting and continues to add appropriate saline oxide, so repeated multiple times, until liquid level liter
To be oxidized up at the 3/4 of crucible depth, liquid oxidizing temperature is 410 ~ 430 DEG C, and soaking time is 40 ~ 60min.
In a preferred embodiment of the present invention, the vibropolish step is that the workpiece that will be handled well pours into prior addition
It is polished in the vibratory finishing machine of green silicon carbide abrasive material and carbon steel special-purpose polishing liquid.
In a preferred embodiment of the present invention, the step and secondary cleaning drying steps of being once cleaned and dried is to throw
Workpiece after light is transferred in cold rinse bank, and workpiece is wiped with gauze, goes removal of residue, cleaning to be transferred in drying baker 150 DEG C after finishing
Flash baking.
In a preferred embodiment of the present invention, the microstructure of the carbon steel surface-treated layer include Fe2-3N,
The uniform and comparatively dense structure that Fe3N, Fe4N and Fe3O4 compound are formed.
In a preferred embodiment of the present invention, the carbon steel surface-treated layer thickness is 25 ~ 30 μm.
The beneficial effects of the invention are as follows：It is a kind of while improving the processing of carbon steel corrosion stability and wearability that the present invention is pointed out
Technique, effect is oozed with preferably urging, can in the short period of time, with relatively low nitriding temperature in one layer of carbon steel surface formation
Thicker, uniform and finer and close complex chemical compound layer, while the case hardness for making carbon steel acquisition high, lowers energy consumption,
Production efficiency and benefit are improved, while the oxide-film of densification can be formed on compound layer surface（Fe3O4、Fe2-3N、Fe3N
With the oxide-film of Fe4N formation）, its uniform color, shape it is attractive in appearance, the corrosion stability of carbon steel can be significantly improved（Neutral salt spray test
The time for occurring corroding can reach more than 350h）And wearability.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also obtain other according to these accompanying drawings
Accompanying drawing, wherein：
Fig. 1 is that the present invention is a kind of while the performance for improving the handling process preferred embodiment of carbon steel corrosion stability and wearability refers to
Mark.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
Referring to Fig. 1, the embodiment of the present invention includes：
The making of salt bath is nitrogenized, the stainless steel crucible of cleaning is placed in well formula resistance furnace, and by well formula resistance furnace temperature control thermoelectricity
Occasionally it is close to crucible outer wall, furnace temperature is then increased to 600 DEG C, the base salt of 3/4 crucible depth is added, starts to melt base salt, treat
Base salt sinks in crucible, then appropriate addition base salt, base salt is kept identical height, that is to say 3/4 crucible depth, so repeatedly many
It is secondary, until base salt all melts, another thermocouple is inserted in the middle part of saline solution, by controlling the temperature of resistance furnace to make saline solution temperature
560 DEG C of zero load 4h are maintained, salt-bath nitriding is treated.
The making of salt bath is aoxidized, the stainless steel crucible of cleaning is placed in well formula resistance furnace, and by resistance furnace temperature-control heat couple
It is close to crucible outer wall, furnace temperature is then maintained 300 DEG C, then add the saline oxide of half depth, insulation is follow-up to all thawings
The appropriate saline oxide of continuous addition, it is so repeated multiple times, it is to be oxidized until liquid level is increased at the 3/4 of crucible depth.
Embodiment 1：In the steam dome that carbon steel workpiece is put into trichloro ethylene rinse bath, vapor (steam) temperature is controlled at 90 DEG C,
Oil removing 2 minutes is cleaned, the workpiece for then finishing oil removing is rinsed using the distilled water of flowing, remove surface dirt and residual
Thing, immediately using 150 DEG C of drying of baking oven, the workpiece for cleaning dry is transferred in air resistance furnace, and 400 DEG C of preheating 20min make work
Part surface is in blueness or olive drab(O.D), and then by the ready nitridation salt bath of workpiece immersion after preheating, 560 DEG C are incubated
150min, carries out nitridation salt bath, after nitridation is finished, and by workpiece transfer to aoxidizing in crucible, immerses in the oxidation salt bath melted,
410 DEG C of insulation 40min, liquid oxidizing processing of progress, by the workpiece by a liquid oxidizing processing, are transferred to and add in advance
In the vibratory finishing machine for entering abrasive material and polishing fluid, vibropolish 20min, with i.e. by polished workpiece transfer into cold rinse bank,
Workpiece is wiped with gauze, polishing residue is removed, 150 DEG C of drying in baking oven are then transferred to, will then dry workpiece be cleaned again
In secondary immersion oxidation salt bath, 410 DEG C of insulation 40min carry out secondary liquid oxidizing processing, finally workpiece transfer by after oxidation extremely
In cold rinse bank, workpiece is wiped with gauze, the salt slag of residual is removed, 150 DEG C of drying of baking oven are recycled.
Embodiment 2：In the steam dome that carbon steel workpiece is put into trichloro ethylene rinse bath, vapor (steam) temperature is controlled at 90 DEG C,
Clean oil removing 2 minutes.Then workpiece oil removing finished is rinsed using the distilled water of flowing, removes surface dirt and residual
Thing, immediately using 150 DEG C of drying of baking oven, the workpiece for cleaning dry is transferred in air resistance furnace, and 400 DEG C of preheating 20min make work
Part surface is in blueness or olive drab(O.D), and then by the ready nitridation salt bath of workpiece immersion after preheating, 580 DEG C are incubated
120min, carries out nitridation salt bath, after nitridation is finished, and by workpiece transfer to aoxidizing in crucible, immerses in the oxidation salt bath melted,
410 DEG C of insulation 80min, liquid oxidizing processing of progress, by the workpiece by a liquid oxidizing processing, are transferred to and add in advance
In the vibratory finishing machine for entering abrasive material and polishing fluid, vibropolish 15min, with i.e. by polished workpiece transfer into cold rinse bank,
Workpiece is wiped with gauze, polishing residue is removed, 150 DEG C of drying in baking oven are then transferred to, will then dry workpiece be cleaned again
In secondary immersion oxidation salt bath, 410 DEG C of insulation 80min carry out secondary liquid oxidizing processing, finally workpiece transfer by after oxidation extremely
In cold rinse bank, workpiece is wiped with gauze, the salt slag of residual is removed, 150 DEG C of drying of baking oven are recycled.
Embodiment 3：In the steam dome that carbon steel workpiece is put into trichloro ethylene rinse bath, vapor (steam) temperature is controlled at 90 DEG C,
Oil removing 2 minutes is cleaned, the workpiece for then finishing oil removing is rinsed using the distilled water of flowing, remove surface dirt and residual
Thing, immediately using 150 DEG C of drying of baking oven, the workpiece for cleaning dry is transferred in air resistance furnace, and 400 DEG C of preheating 20min make work
Part surface is in blueness or olive drab(O.D), and then by the ready nitridation salt bath of workpiece immersion after preheating, 580 DEG C are incubated
120min, carries out nitridation salt bath, after nitridation is finished, and by workpiece transfer to aoxidizing in crucible, immerses in the oxidation salt bath melted,
420 DEG C of insulation 60min, liquid oxidizing processing of progress, by the workpiece by a liquid oxidizing processing, are transferred to and add in advance
In the vibratory finishing machine for entering abrasive material and polishing fluid, vibropolish 15min, with i.e. by polished workpiece transfer into cold rinse bank,
Workpiece is wiped with gauze, polishing residue is removed, 150 DEG C of drying in baking oven are then transferred to, will then dry workpiece be cleaned again
In secondary immersion oxidation salt bath, 420 DEG C of insulation 60min carry out secondary liquid oxidizing processing, finally workpiece transfer by after oxidation extremely
In cold rinse bank, workpiece is wiped with gauze, the salt slag of residual is removed, 150 DEG C of drying of baking oven are recycled.
Embodiment 4：In the steam dome that carbon steel workpiece is put into trichloro ethylene rinse bath, vapor (steam) temperature is controlled at 90 DEG C,
Oil removing 2 minutes is cleaned, the workpiece for then finishing oil removing is rinsed using the distilled water of flowing, remove surface dirt and residual
Thing, immediately using 150 DEG C of drying of baking oven, the workpiece for cleaning dry is transferred in air resistance furnace, and 400 DEG C of preheating 20min make work
Part surface is in blueness or olive drab(O.D), and then by the ready nitridation salt bath of workpiece immersion after preheating, 600 DEG C are incubated 90min,
Nitridation salt bath is carried out, after nitridation is finished, by workpiece transfer to aoxidizing in crucible, is immersed in the oxidation salt bath melted, 430 DEG C of insulations
40min, carries out the processing of liquid oxidizing, by the workpiece by a liquid oxidizing processing, be transferred to add in advance abrasive material and
In the vibratory finishing machine of polishing fluid, vibropolish 30min, into cold rinse bank, is wiped with i.e. by polished workpiece transfer with gauze
Workpiece is wiped, polishing residue is removed, 150 DEG C of drying in baking oven are then transferred to, dry workpiece will be then cleaned and is again dipped into oxygen
In salt dissolving bath, 430 DEG C of insulation 40min carry out secondary liquid oxidizing processing.Finally by the workpiece transfer after oxidation to cold rinse bank
In, workpiece is wiped with gauze, the salt slag of residual is removed, 150 DEG C of drying of baking oven are recycled.
Embodiment 5：In the steam dome that carbon steel workpiece is put into trichloro ethylene rinse bath, vapor (steam) temperature is controlled at 90 DEG C,
Oil removing 2 minutes is cleaned, the workpiece for then finishing oil removing is rinsed using the distilled water of flowing, remove surface dirt and residual
Thing, immediately using 150 DEG C of drying of baking oven, the workpiece for cleaning dry is transferred in air resistance furnace, and 400 DEG C of preheating 20min make work
Part surface is in blueness or olive drab(O.D), and then by the ready nitridation salt bath of workpiece immersion after preheating, 600 DEG C are incubated 90min,
Nitridation salt bath is carried out, after nitridation is finished, by workpiece transfer to aoxidizing in crucible, is immersed in the oxidation salt bath melted, 430 DEG C of insulations
60min, carries out the processing of liquid oxidizing, by the workpiece by a liquid oxidizing processing, be transferred to add in advance abrasive material and
In the vibratory finishing machine of polishing fluid, vibropolish just exposes metal background color to workpiece, with i.e. by polished workpiece transfer extremely
In cold rinse bank, workpiece is wiped with gauze, polishing residue is removed, 150 DEG C of drying in baking oven is then transferred to, will then clean drying
Workpiece be again dipped into oxidation salt bath, 430 DEG C of insulation 60min carry out secondary liquid oxidizing processing, finally by the work after oxidation
Part is transferred in cold rinse bank, and workpiece is wiped with gauze, removes the salt slag of residual, recycles 150 DEG C of drying of baking oven.
In summary, a kind of point out of the present invention, can while improve the handling process of carbon steel corrosion stability and wearability
The oxide-film of densification is formed on compound layer surface, oxide-film is the formation of the oxides such as Fe3O4, Fe2-3N, Fe3N and Fe4N,
Its uniform color, shapes attractive in appearance, can significantly improve the corrosion stability and wearability of carbon steel, neutral salt spray test occur corroding when
Between can reach more than 350h, it is durable in use.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (10)
1. it is a kind of while the handling process of raising carbon steel corrosion stability and wearability, the fine and close against corrosion of thickness is formed in carbon steel surface
Wear-resisting compound base amount method layer, it is characterised in that comprise the following steps:
Step 1：Trichloroethylene steam is degreased, and carbon steel workpiece surface is degreased using trichloroethylene steam, 90 DEG C
Steam clean 2 ~ 3 minutes；
Step 2：Distilled water is cleaned, and surface clean, then rapid draing are carried out using distilled water；
Step 3：Preheating, 400 DEG C of hot environments are incubated 20 ~ 30min, workpiece surface is advisable in blueness or olive drab(O.D)；
Step 4：Salt-bath nitriding, using stainless steel crucible, while melting Yanbian plus salt, makes the height of nitridation salt be maintained at 3/4 crucible depth
At degree, 560 DEG C ~ 600 DEG C of salt-bath nitriding temperature, 90 ~ 150min of time；
Step 5：Liquid oxidizing processing, using stainless steel crucible, while melting Yanbian plus salt, makes the height of salt be maintained at 3/4 earthenware
Crucible depth, 410 ~ 430 DEG C of liquid oxidizing temperature, 40 ~ 60min of time；
Step 6：Vibropolish, green silicon carbide abrasive material and carbon steel special-purpose polishing liquid mass ratio are 25:1, polishing time 15 ~
30min, is advisable with just exposing metal background color；
Step 7：Once it is cleaned and dried；
Step 8：Secondary liquid oxidizing processing：Using stainless steel crucible, while melting Yanbian plus salt, the height of salt is set to be maintained at 3/4 earthenware
Crucible depth, 410 ~ 430 DEG C of liquid oxidizing temperature, 40 ~ 60min of time obtains carbon steel surface on the surface of carbon steel workpiece
Process layer；
Step 9：Secondary cleaning is dried.
2. it is according to claim 1 while improving the handling process of carbon steel corrosion stability and wearability, it is characterised in that institute
It is that pending workpiece is put into rinse bath trichloroethylene steam area to state the trichloroethylene steam step that degreases, vapor (steam) temperature control
System is cleaned 2 minutes at 90 DEG C.
3. it is according to claim 1 while improving the handling process of carbon steel corrosion stability and wearability, it is characterised in that institute
It is that the workpiece after oil removing is placed in tank to state distilled water cleaning step, and it is rinsed using the distilled water of flowing, to go
Except the residue on workpiece, cleaning is transferred in drying baker after finishing, 150 DEG C of flash bakings.
4. it is according to claim 1 while improving the handling process of carbon steel corrosion stability and wearability, it is characterised in that institute
It is to be transferred to the workpiece after cleaning in air resistance furnace immediately to state preheating step, 400 DEG C of insulation 20min, to workpiece surface in indigo plant
Color or olive drab(O.D) are advisable.
5. it is according to claim 1 while improving the handling process of carbon steel corrosion stability and wearability, it is characterised in that institute
It is that the stainless steel crucible of cleaning is placed in well formula resistance furnace to state salt-bath nitriding step, and well formula resistance furnace temperature-control heat couple is tight
Crucible outer wall is pasted, furnace temperature is then increased to 600 DEG C, the base salt of 3/4 crucible depth is added, starts to melt base salt, treats crucible
Interior base salt sinks, then appropriate addition base salt, base salt is kept identical height, that is to say 3/4 crucible depth, so repeated multiple times,
Until base salt all melts, another thermocouple is inserted in the middle part of saline solution, by controlling the temperature of resistance furnace to tie up saline solution temperature
560 DEG C of zero load 4h are held, salt-bath nitriding is treated, nitriding temperature is 560 DEG C ~ 600 DEG C, is incubated 90 ~ 150min.
6. it is according to claim 1 while improving the handling process of carbon steel corrosion stability and wearability, it is characterised in that institute
It is that the stainless steel crucible of cleaning is placed in into well formula resistance furnace to state a liquid oxidizing process step, and by resistance furnace temperature-control heat couple
It is close to crucible outer wall, furnace temperature is then maintained 300 DEG C, then add the saline oxide of half depth, insulation is follow-up to all thawings
The appropriate saline oxide of continuous addition, it is so repeated multiple times, until liquid level is increased at the 3/4 of crucible depth, to be oxidized, liquid oxidizing
Temperature is 410 ~ 430 DEG C, and soaking time is 40 ~ 60min.
7. it is according to claim 1 while improving the handling process of carbon steel corrosion stability and wearability, it is characterised in that institute
It is that the workpiece that will be handled well pours into and adds shaking for green silicon carbide abrasive material and carbon steel special-purpose polishing liquid in advance to state vibropolish step
It is polished in dynamic polishing machine.
8. it is according to claim 1 while improving the handling process of carbon steel corrosion stability and wearability, it is characterised in that institute
It is that the workpiece after polishing is transferred in cold rinse bank to state and be once cleaned and dried step and secondary cleaning drying steps, and work is wiped with gauze
Part, goes removal of residue, cleaning to be transferred to 150 DEG C of flash baking in drying baker after finishing.
9. it is according to claim 1 while improving the handling process of carbon steel corrosion stability and wearability, it is characterised in that institute
State the microstructure of carbon steel surface-treated layer include formed uniform of Fe2-3N, Fe3N, Fe4N and Fe3O4 compound and
Comparatively dense structure.
10. it is according to claim 1 while improving the handling process of carbon steel corrosion stability and wearability, it is characterised in that
The carbon steel surface-treated layer thickness is 25 ~ 30 μm.
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| CN109295288A (en) * | 2018-10-15 | 2019-02-01 | 东莞理工学院 | A kind of metal works hydrodynamics technique |
| CN109402351A (en) * | 2018-10-15 | 2019-03-01 | 东莞理工学院 | A kind of metal works processing method |
| CN111254381A (en) * | 2019-12-31 | 2020-06-09 | 江苏拓展新材料科技有限公司 | Modification method for improving performance of stainless steel material |
| CN111809141A (en) * | 2020-07-20 | 2020-10-23 | 成都工具研究所有限公司 | Composite permeable layer and QPQ treatment process thereof |
| CN114959554A (en) * | 2022-05-31 | 2022-08-30 | 枣阳市力拓机械有限公司 | Machining process for improving corrosion resistance of iron casting |
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| CN109295288A (en) * | 2018-10-15 | 2019-02-01 | 东莞理工学院 | A kind of metal works hydrodynamics technique |
| CN109402351A (en) * | 2018-10-15 | 2019-03-01 | 东莞理工学院 | A kind of metal works processing method |
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| CN111809141A (en) * | 2020-07-20 | 2020-10-23 | 成都工具研究所有限公司 | Composite permeable layer and QPQ treatment process thereof |
| CN111809141B (en) * | 2020-07-20 | 2023-03-14 | 成都工具研究所有限公司 | Composite permeable layer and QPQ treatment process thereof |
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