CN106498337A - The method is surface-treated by cast iron cooker and cast iron cooker - Google Patents
The method is surface-treated by cast iron cooker and cast iron cooker Download PDFInfo
- Publication number
- CN106498337A CN106498337A CN201610949048.6A CN201610949048A CN106498337A CN 106498337 A CN106498337 A CN 106498337A CN 201610949048 A CN201610949048 A CN 201610949048A CN 106498337 A CN106498337 A CN 106498337A
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- Prior art keywords
- cast iron
- iron cooker
- cooker
- nitrocarburizing
- treated
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Classifications
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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
- C23C8/06—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 gases
- C23C8/28—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 gases more than one element being applied in one step
- C23C8/30—Carbo-nitriding
- C23C8/32—Carbo-nitriding of ferrous surfaces
-
- 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
- C23C8/52—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 one step
- C23C8/54—Carbo-nitriding
- C23C8/56—Carbo-nitriding of ferrous surfaces
-
- 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
- C23C8/60—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 solids, e.g. powders, pastes
- C23C8/72—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 solids, e.g. powders, pastes more than one element being applied in one step
- C23C8/74—Carbo-nitriding
- C23C8/76—Carbo-nitriding of ferrous surfaces
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
The invention discloses a kind of method is surface-treated by cast iron cooker and cast iron cooker, the method is surface-treated by cast iron cooker includes cast iron cooker is put in Equipment for Heating Processing carries out nitrocarburizing process；The temperature of nitrocarburizing is 300～700 DEG C, and the time is 2～10h；The penetration enhancer that nitrocarburizing is adopted includes ammonia 30wt%～60wt%, nitrogen 40wt%～60wt%, carbonaceous gas 3wt%～10wt%；Cast iron cooker surface alloying layer thickness is 10～20 μm.The present invention passes through for cast iron cooker to carry out nitrocarburizing process, and raising cast iron cooker internal structure structure stability increased the toughness of cast iron cooker so that cooker is indeformable, do not ftracture, and physical property is further improved；And infiltration layer covers cast iron cooker surface so that cast iron cooker has good anti-oxidant, the anti-function of getting rusty, and can solve the problem that cast iron cooker meets the technical problem that water gets rusty easily.
Description
Technical field
The present invention relates to a kind of method is surface-treated by cast iron cooker and cast iron cooker.
Background technology
Cooker is closely bound up with the life of people, and wherein cast iron cooker is one of most common, most traditional cooker.But cast iron
Cooker gets rusty easily in the presence of simultaneously in air and water and makes surface scaling, has a strong impact on outward appearance and service life.
At present, those skilled in the art generally will be processed to cast iron cooker surface, and common method is such as cooked a meal in cast iron
Tool surface spraying vegetable oil, but the cast iron products of such spray-on coating, than relatively thin, meet the water short time gets rusty easily and asks coating
Topic so that the usage cycles of product are shortened dramatically, while cause presentation quality to decline.
Content of the invention
In view of this, it is an object of the invention to provide a kind of method is surface-treated by cast iron cooker, after process
Cooker can preferably solve cast iron cooker and meet the technical problem that water gets rusty easily.
To achieve these goals, the present invention provides following technical scheme：
A kind of method is surface-treated by cast iron cooker, including：
Cast iron cooker is put in Equipment for Heating Processing carries out nitrocarburizing process；The temperature of the nitrocarburizing be 300～
700 DEG C, the time is 2～10h；The penetration enhancer that the nitrocarburizing is adopted includes ammonia 30wt%～60wt%, nitrogen 40wt%
～60wt%, carbonaceous gas 3wt%～10wt%；Cast iron cooker surface alloying layer thickness is 10～20 μm.
Preferably, the Equipment for Heating Processing is that well formula heat-treatment furnace, box heat treatment furnace, salt bath furnace or continuous pusher-tray type are soft
Nitridation heat-treatment production line.
Preferably, before the cast iron cooker being put into the Equipment for Heating Processing, carry out surface and remove oil stain and rust cleaning.
Preferably, after the cast iron cooker nitrocarburizing has been processed, cooled down.
Preferably, after the cast iron cooker nitrocarburizing has been processed and cooled down, plants on surface oil coating technique is carried out
Process.
The present invention also provides a kind of cast iron cooker, and cast iron cooker is through the above-mentioned method is surface-treated by cast iron cooker
Process.
The method is surface-treated by cast iron cooker and cast iron cooker that the present invention is provided, carry out surface to cast iron cooker
The method of process includes cast iron cooker is put in Equipment for Heating Processing carries out nitrocarburizing process；The temperature of nitrocarburizing is 300
～700 DEG C, the time is 2～10h；Nitrocarburizing adopt penetration enhancer include ammonia 30wt%～60wt%, nitrogen 40wt%～
60wt%, carbonaceous gas 3wt%～10wt%；Cast iron cooker surface alloying layer thickness is 10～20 μm.The present invention passes through cast iron
Cooker carries out nitrocarburizing process, improves cast iron cooker internal structure structure stability, increased the toughness of cast iron cooker so that
Cooker is indeformable, do not ftracture, and physical property is further improved；And infiltration layer covers cast iron cooker surface so that cast iron cooker has
There is good anti-oxidant, the anti-function of getting rusty, can solve the problem that cast iron cooker meets the technical problem that water gets rusty easily.
Specific embodiment
The invention discloses a kind of method is surface-treated by cast iron cooker and cast iron cooker, those skilled in the art
Present disclosure can be used for reference, be suitably modified technological parameter realization.Specifically, the similar replacement and change are right
It is it will be apparent that they are considered as being included in the present invention for those skilled in the art.The method of the present invention and reference are
Through being described by preferred embodiment, related personnel substantially can be in without departing from present invention, spirit and scope to this
Methods and applications described in text are modified or suitably change and combine, and realize and apply the technology of the present invention.
A kind of method is surface-treated by cast iron cooker that the present invention is provided, including：
Cast iron cooker is put in Equipment for Heating Processing carries out nitrocarburizing process；The temperature of nitrocarburizing is 300～700
DEG C, the time is 2～10h；Nitrocarburizing adopt penetration enhancer include ammonia 30wt%～60wt%, nitrogen 40wt%～
60wt%, carbonaceous gas 3wt%～10wt%；Cast iron cooker surface alloying layer thickness is 10～20 μm.
The present invention improves cast iron cooker internal structure structure stability by cast iron cooker is carried out nitrocarburizing process,
Increased the toughness of cast iron cooker so that cooker is indeformable, do not ftracture, physical property is further improved；And infiltration layer covers casting
Iron kitchen utensils surface so that cast iron cooker has good anti-oxidant, the anti-function of getting rusty, and can solve the problem that cast iron cooker meets the water capacity easy
The technical problem that gets rusty.
In the present invention, the temperature of nitrocarburizing is 300～700 DEG C；Nitrogen carbon in an embodiment of the present invention, the temperature of permeation
Spend for 400～600 DEG C；In other embodiments, the temperature of nitrocarburizing is 450～550 DEG C.
In the present invention, the time of nitrocarburizing is 2～10h；In an embodiment of the present invention, the time of nitrocarburizing be
4～8h；In other embodiments, the time of nitrocarburizing is 5～7h.
In the present invention, nitrocarburizing adopt penetration enhancer include ammonia 30wt%～60wt%, nitrogen 40wt%～
60wt%, carbonaceous gas 3wt%～10wt%, above-mentioned penetration enhancer can be particularly well adsorbed in cast iron cooker surface, and oozing of being formed
Layer has good wearability, corrosion stability such that it is able to solve the problems, such as that cast iron cooker is met water and got rusty easily.
In the present invention, penetration enhancer includes 30wt%～60wt% ammonias；In an embodiment of the present invention, penetration enhancer includes
40wt%～50wt% ammonias；In other embodiments, penetration enhancer includes 44wt%～46wt% ammonias.
In the present invention, penetration enhancer includes 40wt%～60wt% nitrogen；In embodiments of the invention, penetration enhancer includes
45wt%～55wt% nitrogen；In other embodiments, penetration enhancer includes 48wt%～52wt% nitrogen.
In the present invention, penetration enhancer includes 3wt%～10wt% carbonaceous gas；In an embodiment of the present invention, in penetration enhancer
Including 4wt%～9wt% carbonaceous gas；In other embodiments, penetration enhancer includes 5wt%～8wt% carbonaceous gas.
In an embodiment of the present invention, carbonaceous gas is CO, CO2、CH4Or C2H2.
In an embodiment of the present invention, Equipment for Heating Processing is well formula heat-treatment furnace, box heat treatment furnace, and salt bath furnace is continuous
Pusher-tray type tufftride heat-treatment production line.
In an embodiment of the present invention, before cast iron cooker being put into Equipment for Heating Processing, carry out surface and remove oil stain and remove
Rust；In other enforcements, after cast iron cooker surface degreasing stain and rust cleaning, surface roughness is more than 1.6 μm.
In an embodiment of the present invention, after nitrocarburizing has been processed, cooled down in atmosphere；In other embodiments, nitrogen
After carbon permeation has been processed, cooled down in atmosphere or in water.
After cast iron cooker is using technical scheme process, properties of product are significantly improved, and product technological additional-value is big
Width increases, and can update like product in the market, with investment instant effect, the high advantage of income, while giving enterprise's band
Carry out good economic benefit.
Present invention also offers a kind of cast iron cooker, cast iron cooker is through the above-mentioned side is surface-treated by cast iron cooker
Method process.
In order to further illustrate the present invention, cast iron cooker is carried out at surface to what the present invention was provided with reference to embodiment
The method of reason and cast iron cooker are described in detail.
Embodiment 1
By cast iron cooker surface degreasing stain and rust cleaning so that Cast Iron Surface roughness is 1.8 μm；Again cast iron cooker is put into
Nitrocarburizing process is carried out in well formula heat-treatment furnace；The temperature of nitrocarburizing is 300 DEG C, and the time is 10h；Nitrocarburizing is adopted
Penetration enhancer includes 30wt% ammonias, 60wt% nitrogen, 10wt% carbonaceous gas；So that it is 20 μm that cast iron cooker surface forms thickness
Infiltration layer；Vegetable oil coating process process is carried out after being cooled down in atmosphere again.
Embodiment 2
By cast iron cooker surface degreasing stain and rust cleaning so that Cast Iron Surface roughness is 2.0 μm；Again cast iron cooker is put into
Nitrocarburizing process is carried out in well formula heat-treatment furnace；The temperature of nitrocarburizing is 400 DEG C, and the time is 4h；Nitrocarburizing is adopted
Penetration enhancer includes 44wt% ammonias, 50wt% nitrogen, 6wt% carbonaceous gas；So that it is 12 μm that cast iron cooker surface forms thickness
Infiltration layer；Vegetable oil coating process process is carried out after being cooled down in atmosphere again.
Embodiment 3
By cast iron cooker surface degreasing stain and rust cleaning so that Cast Iron Surface roughness is 1.6 μm；Again cast iron cooker is put into
Nitrocarburizing process is carried out in well formula heat-treatment furnace；The temperature that nitrogen carbon oozes altogether is 450 DEG C, and the time is 5h；Nitrocarburizing is adopted
Penetration enhancer includes 45wt% ammonias, 48wt% nitrogen, 7wt% carbonaceous gas；So that it is 13 μm that cast iron cooker surface forms thickness
Infiltration layer；Vegetable oil coating process process is carried out after being cooled down in atmosphere again.
Embodiment 4
By cast iron cooker surface degreasing stain and rust cleaning so that Cast Iron Surface roughness is 1.7 μm；Again cast iron cooker is put into
Nitrocarburizing process is carried out in well formula heat-treatment furnace；The temperature of nitrocarburizing is 700 DEG C, and the time is 2h；Nitrocarburizing is adopted
Penetration enhancer includes 50wt% ammonias, 46wt% nitrogen, 4wt% carbonaceous gas；So that it is 14 μm that cast iron cooker surface forms thickness
Infiltration layer；Vegetable oil coating process process is carried out after being cooled down in atmosphere again.
Embodiment 5
By cast iron cooker surface degreasing stain and rust cleaning so that Cast Iron Surface roughness is 500 μm；Again cast iron cooker is put into
Nitrocarburizing process is carried out in well formula heat-treatment furnace；The temperature of nitrocarburizing is 300 DEG C, and the time is 7h；Nitrocarburizing is adopted
Penetration enhancer includes 46wt% ammonias, 45wt% nitrogen, 9wt% carbonaceous gas；So that it is 15 μm that cast iron cooker surface forms thickness
Infiltration layer；Vegetable oil coating process process is carried out after being cooled down in atmosphere again.
Embodiment 6
By cast iron cooker surface degreasing stain and rust cleaning so that Cast Iron Surface roughness is 2.1 μm；Again cast iron cooker is put into
Nitrocarburizing process is carried out in well formula heat-treatment furnace；The temperature of nitrocarburizing is 600 DEG C, and the time is 6h；Nitrocarburizing is adopted
Penetration enhancer includes 44wt% ammonias, 53wt% nitrogen, 3wt% carbonaceous gas；So that it is 16 μm that cast iron cooker surface forms thickness
Infiltration layer；Vegetable oil coating process process is carried out after being cooled down in atmosphere again.
Embodiment 7
By cast iron cooker surface degreasing stain and rust cleaning so that Cast Iron Surface roughness is 1.8 μm；Again cast iron cooker is put into
Nitrocarburizing process is carried out in well formula heat-treatment furnace；The temperature of nitrocarburizing is 550 DEG C, and the time is 8h；Nitrocarburizing is adopted
Penetration enhancer includes 40wt% ammonias, 50wt% nitrogen, 10wt% carbonaceous gas；So that it is 17 μm that cast iron cooker surface forms thickness
Infiltration layer；Vegetable oil coating process process is carried out after being cooled down in atmosphere again.
The cast iron cooker that embodiment 1～7 is manufactured is carried out salt spray test, phenomenon of getting rusty after 2h-5h, does not occur.
Cast iron cooker case hardness, wear extent and the corrosion proof test manufactured by embodiment 1～7, the results are shown in Table 1.
The test of wherein hardness is the hardness for detecting sample with microhardness testers, and load is 200g, by along perpendicular to oozing
Layer surface carries out hardness test from infiltration layer to cast iron direction.
The test of wear extent is to carry out pin-on-disc testing on vertical omnipotent frictional testing machine, and upper material for test is high-speed steel,
Hardness is HRC63, and lower test specimen matrix material is casting pig, and hardness is HB220, and respectively the cast iron that embodiment 1～7 is manufactured is cooked a meal
Tool carries out case hardness process.Load is 200N, mineral oil 56EP flooding system lubrications, and rotating speed is 1000r/min, continuously runs 3h,
Test under normal temperature and pressure.
Corrosion proof test is the cast iron cooker for manufacturing embodiment 1～7 through 2wt% sulfuric acid (or 10wt% NaOH
Solution) boil percentage of the weight than weight saving before corrosion after 1h.
1 experimental result of table
| Case hardness (HV) | Wear extent (g) | The percentage of weight saving | |
| Embodiment 1 | 296 | 0.12 | 2.3 |
| Embodiment 2 | 293 | 0.15 | 1.5 |
| Embodiment 3 | 291 | 0.13 | 1.9 |
| Embodiment 4 | 294 | 0.11 | 2.0 |
| Embodiment 5 | 301 | 0.12 | 2.1 |
| Embodiment 6 | 299 | 0.14 | 2.1 |
| Embodiment 7 | 300 | 0.13 | 2.2 |
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or public to institute using this
The described above of the embodiment that opens, enables professional and technical personnel in the field to realize or using the present invention.To these embodiments
Multiple modifications will be apparent for those skilled in the art, and generic principles defined herein can be
In the case of without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to
The embodiments shown herein, and it is to fit to the most wide model consistent with principles disclosed herein and novel features
Enclose.
Claims (6)
1. a kind of method is surface-treated by cast iron cooker, it is characterised in that include：
Cast iron cooker is put in Equipment for Heating Processing carries out nitrocarburizing process；The temperature of the nitrocarburizing is 300～700
DEG C, the time is 2～10h；The penetration enhancer that the nitrocarburizing is adopted include ammonia 30wt%～60wt%, nitrogen 40wt%～
60wt%, carbonaceous gas 3wt%～10wt%；Cast iron cooker surface alloying layer thickness is 10～20 μm.
2. the method for claim 1, it is characterised in that the Equipment for Heating Processing is well formula heat-treatment furnace, at box heat
Reason stove, salt bath furnace or continuous pusher-tray type tufftride heat-treatment production line.
3. the method for claim 1, it is characterised in that before the cast iron cooker is put into the Equipment for Heating Processing,
Carry out surface and remove oil stain and rust cleaning.
4. the method for claim 1, it is characterised in that after the nitrocarburizing has been processed, cooled down.
5. the method for claim 1, it is characterised in that after the cast iron cooker nitrocarburizing has been processed and cooled down,
Carry out plants on surface oil coating PROCESS FOR TREATMENT.
6. a kind of cast iron cooker, it is characterised in that the cast iron cooker through any one of Claims 1 to 5 to casting
The method are surface-treated by iron kitchen utensils is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949048.6A CN106498337A (en) | 2016-10-26 | 2016-10-26 | The method is surface-treated by cast iron cooker and cast iron cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949048.6A CN106498337A (en) | 2016-10-26 | 2016-10-26 | The method is surface-treated by cast iron cooker and cast iron cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106498337A true CN106498337A (en) | 2017-03-15 |
Family
ID=58323015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610949048.6A Pending CN106498337A (en) | 2016-10-26 | 2016-10-26 | The method is surface-treated by cast iron cooker and cast iron cooker |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958019A (en) * | 2017-04-05 | 2017-07-18 | 邢台三厦铸铁有限公司 | The surface treatment method and cast iron cooker of cast iron cooker |
| CN107447186A (en) * | 2017-07-31 | 2017-12-08 | 安徽沃德气门制造有限公司 | A kind of valve surfaces processing method |
| CN108441809A (en) * | 2018-04-28 | 2018-08-24 | 邢台三厦铸铁有限公司 | The method and cast iron cooker be surface-treated to cast iron cooker |
| CN113355631A (en) * | 2021-05-28 | 2021-09-07 | 河北三厦厨具科技有限公司 | Thin iron cookware and method for forming decorative nitride layer on thin iron cookware |
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| JPS5528379A (en) * | 1978-08-23 | 1980-02-28 | Nippon Piston Ring Co Ltd | Wear resistant sliding material for internal combustion engine |
| CN1126769A (en) * | 1995-06-15 | 1996-07-17 | 铁道部科学研究院金属及化学研究所 | Prodn process of antirust iron kitchen utensils |
| CN101050517A (en) * | 2007-05-15 | 2007-10-10 | 上海工业大学嘉定通用机械有限公司 | Technique method of treatment for modifying surface of ferrous material |
| CN103589989A (en) * | 2012-08-16 | 2014-02-19 | 深圳力合金表面技术有限公司 | Surface processing method of common cast iron cookware |
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2016
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| JPS5528379A (en) * | 1978-08-23 | 1980-02-28 | Nippon Piston Ring Co Ltd | Wear resistant sliding material for internal combustion engine |
| CN1126769A (en) * | 1995-06-15 | 1996-07-17 | 铁道部科学研究院金属及化学研究所 | Prodn process of antirust iron kitchen utensils |
| CN101050517A (en) * | 2007-05-15 | 2007-10-10 | 上海工业大学嘉定通用机械有限公司 | Technique method of treatment for modifying surface of ferrous material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958019A (en) * | 2017-04-05 | 2017-07-18 | 邢台三厦铸铁有限公司 | The surface treatment method and cast iron cooker of cast iron cooker |
| CN107447186A (en) * | 2017-07-31 | 2017-12-08 | 安徽沃德气门制造有限公司 | A kind of valve surfaces processing method |
| CN108441809A (en) * | 2018-04-28 | 2018-08-24 | 邢台三厦铸铁有限公司 | The method and cast iron cooker be surface-treated to cast iron cooker |
| CN113355631A (en) * | 2021-05-28 | 2021-09-07 | 河北三厦厨具科技有限公司 | Thin iron cookware and method for forming decorative nitride layer on thin iron cookware |
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Application publication date: 20170315 |