CN209883786U - Pot and cooking utensil - Google Patents
Pot and cooking utensil Download PDFInfo
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- CN209883786U CN209883786U CN201821806834.1U CN201821806834U CN209883786U CN 209883786 U CN209883786 U CN 209883786U CN 201821806834 U CN201821806834 U CN 201821806834U CN 209883786 U CN209883786 U CN 209883786U
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Abstract
The utility model provides a pan and cooking utensil. The cookware includes: a pan body; the quasi-crystal coating is arranged on the inner surface of the pot body, and is prepared through magnetron sputtering or multi-arc ion plating, and further prepared through bias magnetron sputtering or bias multi-arc ion plating. Therefore, the quasicrystal coating has high density, meets the non-stick performance and has better heat conductivity; as the inner surface coating of the pan, the heat can be transferred to the opsonized object (food contacted with the pan), so that the pan has good non-adhesiveness, hardness and corrosion resistance, the surface of the quasicrystal coating is smooth, the non-adhesiveness of the pan can be further improved, the pan is convenient to clean, and in addition, the quasicrystal coating is compact and can be strongly attached to the surface of the pan.
Description
Technical Field
The utility model relates to a quasi-crystal technical field, it is specific relates to pan and cooking utensil.
Background
The non-stick coating comprises Polytetrafluoroethylene (PTFE) coating, copolymer (PFA) coating of a small amount of perfluoropropyl perfluorovinyl ether and polytetrafluoroethylene, ceramic coating and other various non-stick coatings, organic coatings such as PTFE and PFA coating have excellent chemical thermal stability and self-lubricating (non-stick) performance, and are widely applied to the surfaces of inner containers of cookers and rice cookers, however, the organic coatings such as PTFE and PFA have the fatal defects of low hardness and low adhesive force, and are very easy to scratch by hard objects to cause coating scratch, so that aluminum base materials are exposed, and the body health of users is impaired. Ceramic coatings are susceptible to hydrolysis, resulting in non-tackiness that tends to decrease with increasing use times.
The quasicrystal material is a material with low surface energy, and also has the characteristics of high hardness, low friction coefficient, wear resistance, corrosion resistance and the like, so that the quasicrystal material can replace polytetrafluoroethylene to be used for manufacturing non-stick pans, particularly Al-Cu-Fe quasicrystal gold, the surface energy of the quasicrystal material is between that of stainless steel and that of polytetrafluoroethylene and is slightly larger than that of the polytetrafluoroethylene by about 25%, so that the quasicrystal material has good non-stick property, and the corrosion resistance is further improved after alloy elements such as Cr and/or Ti are added. However, the preparation process of the quasicrystal non-stick coating has many defects in preparation, which causes the problems of poor non-stick property, high cost and the like.
Therefore, research on the cookware is awaited.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a pot with the advantages of low cost, good non-adhesion, excellent corrosion resistance, simple manufacturing process, high efficiency or strong market competitiveness.
In one aspect of the present invention, the present invention provides a cooking pot. According to the utility model discloses an embodiment, the pan includes: a pan body; the quasi-crystal coating is arranged on the inner surface of the pot body and is prepared through bias magnetron sputtering or bias multi-arc ion plating. Therefore, the quasicrystal coating has high density, meets the non-stick performance and has better heat conductivity; as an inner surface coating of the pot, the coating can transfer heat to a conditioning object (food contacted with the pot), so that the pot has good non-adhesiveness, hardness and corrosion resistance, and the surface of the quasicrystal coating is smooth, thereby further improving the non-adhesiveness of the pot and being convenient to clean; compared with other coating methods, such as evaporation coating, the quasi-crystal coating formed in the application is more compact and has stronger adhesive force.
Optionally, the quasicrystal coating film is prepared by bias magnetron sputtering or bias multi-arc ion plating.
Optionally, the material forming the pan body is selected from at least one of carbon steel, aluminum alloy, stainless steel, iron, or ceramic.
Optionally, the thickness of the quasicrystal plating film is 0.1-10 μm.
Optionally, the quasi-crystal content in the quasi-crystal coating film is 60 wt% to 90 wt%.
Optionally, the quasi-crystal plating film has a porosity of 0.1% or less.
Optionally, the surface roughness of the quasicrystal coating is less than or equal to 1.6 microns.
In yet another aspect of the present invention, a cooking appliance is provided. According to the utility model discloses an embodiment, cooking utensil includes preceding pan. Therefore, the cooking utensil has good non-stick property, and when food is cooked, the food cannot stick to a pot, so that the taste and the appearance of the food are improved. Those skilled in the art will appreciate that the cooking appliance has all the features and advantages of the aforementioned cookware, and thus the description thereof is omitted.
Drawings
Fig. 1 is a schematic structural view of a pot in an embodiment of the present invention.
Fig. 2 is a schematic view of a part of the structure of the pot in an embodiment of the present invention.
Fig. 3 is a flow chart of a method of making a cookware in another embodiment of the present invention.
Fig. 4 is a flow chart of a method of making cookware in yet another embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below. The following description of the embodiments is merely exemplary in nature and is in no way intended to limit the invention. The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products commercially available.
In one aspect of the present invention, the present invention provides a cooking pot. According to the utility model discloses an embodiment, refer to fig. 1 and fig. 2, the pan includes: a pan body 10; the quasi-crystal coating film 20 is arranged on the inner surface of the pot body 10, wherein the quasi-crystal coating film is prepared by magnetron sputtering or multi-arc ion plating. Therefore, the quasicrystal coating has high density, meets the non-stick performance and simultaneously has better heat conductivity; the surface coating can transfer heat to a conditioning object (food contacted with the cookware) as an inner surface coating of the cookware, so that the cookware has good non-adhesiveness, hardness and corrosion resistance, the surface of the quasicrystal coating is smooth, the non-adhesiveness of the cookware can be further improved, the cookware is convenient to clean, and in terms of process, a post-treatment process of further polishing is not needed, so that the process flow is shortened, the production efficiency is improved, and the production cost is reduced; compared with other coating methods, such as evaporation coating, the quasicrystal coating formed in the application is more compact and has stronger adhesive force
According to the embodiment of the utility model, for further promoting the inadhesion of the quasicrystal coating film, the quasicrystal coating film is prepared through bias magnetron sputtering or bias multi-arc ion plating, namely, bias voltage is set in the process of preparing the quasicrystal coating film through magnetron sputtering or multi-arc ion plating. Therefore, the quasicrystal coating film can be more compact and can be strongly attached to the surface of the pot body, so that the compactness and the adhesive force of the quasicrystal coating film are further improved; furthermore, the density of the quasi-crystal coating is higher, so that the quasi-crystal coating has better heat conductivity while meeting the requirement of non-adhesion performance, and can transfer heat to a conditioner (food in contact with a cooker) as an inner surface coating of the cooker.
According to the embodiment of the utility model, the material forming the pan body is selected from at least one of carbon steel, aluminum alloy, stainless steel, iron or ceramic. Therefore, the pot body has enough strength to form the quasicrystal coating film on the surface.
According to the utility model discloses an embodiment, in order to guarantee the good non-stick performance of pan, the thickness of the quasi-crystal coating film is 0.1 micron ~ 10 microns, for example 0.1 micron, 0.3 micron, 0.5 micron, 1.0 micron, 1.5 micron, 2.0 micron, 2.5 micron, 3.0 micron, 3.5 micron, 4.0 micron, 4.5 micron, 5.0 micron, 5.5 micron, 6.0 micron, 6.5 micron, 7.0 micron, 7.5 micron, 8.0 micron, 8.5 micron, 9.0 micron, 9.5 micron or 10 microns. Because the quasi-crystal coating film has the characteristics of high hardness and high wear resistance, when an external appliance is used for cleaning for a long time, the quasi-crystal coating film cannot be damaged and fall off, the cookware can be endowed with lasting good non-adhesiveness, when the cookware is applied to cooking equipment, the influence of the thickness of the quasi-crystal coating film on the heat conductivity of the surface of the cookware is considered to be great, the quasi-crystal coating film cannot be soaked relatively when being too thin, and the quasi-crystal coating film can be loosened and increased in pores on the outer surface of the quasi-crystal coating film when being too thick, so that the hardness, wear resistance and non-adhesiveness of the quasi-crystal coating film are reduced, the thickness of the quasi-crystal coating film in the embodiment of the utility model is 0.1-10 micrometers, so that the quasi-crystal coating film can be ensured to play a good uniform heating role, and the problems of loosening and increasing of pores on the outer surface structure of the quasi-crystal coating film.
According to the embodiment of the present invention, in order to ensure and improve the non-adhesiveness of the cookware, the quasicrystal content in the quasicrystal coating film is 60 wt% to 90 wt%, for example, 60 wt%, 65 wt%, 70 wt%, 75 wt%, 80 wt%, 85 wt% or 90 wt%. From this, can guarantee that quasi-crystal coating film has the non-adhesion of preferred, and then improve the non-adhesion of pan, can also further improve the corrosion resistance and the wearability of pan, and then prolong the performance of pan.
According to the utility model discloses an embodiment, the porosity of quasicrystal coating film is less than or equal to 0.1%. From this, the pan not only has good inadhesion nature, can also further improve the corrosion resistance and the wearability of pan, and then the performance of extension pan.
According to the utility model discloses an embodiment, the surface roughness of quasicrystal coating film is less than or equal to 1.6 microns. Therefore, the quasi-crystal coating film directly prepared by magnetron sputtering or multi-arc ion plating has a smooth surface, the non-adhesiveness of the cookware can be further improved, and the post-treatment processes such as further polishing are not needed, so that the process flow is shortened, the production efficiency is improved, and the production cost is reduced.
According to an embodiment of the present invention, the material forming the quasicrystalline plating film includes at least two of aluminum, iron, copper, chromium, titanium, nickel, and zirconium. Thus, the quasicrystal content of the quasicrystal plating film can be obtained.
According to an embodiment of the present invention, a material forming the quasi-crystal plating film includes an Al-Cu-Fe alloy, an Al-Cu-Fe-Cr alloy, a Ti-Fe alloy, or a Ti-Ni-Zr alloy. Thus, the quasicrystal content of the quasicrystal plating film can be obtained.
According to the embodiment of the utility model, in order to obtain the quasicrystal coating film with high quasicrystal content, the raw material for forming the quasicrystal coating film comprises the following atomic number ratio (60-70): (15-25): (5-15): (5-15) aluminum, copper, iron, and an additional element, wherein the additional element comprises at least one of chromium and titanium. Therefore, the quasicrystal content in the quasicrystal coating film can be higher and can reach 60 wt% -90 wt%, so that the quasicrystal coating film has better non-adhesiveness, wear resistance and corrosion resistance, and the service performance of the pot is further prolonged.
In another aspect of the present invention, the present invention provides a method of making the aforementioned cookware. According to an embodiment of the present invention, referring to fig. 2, the method comprises:
s100: providing a pan body.
According to the embodiment of the utility model, the material forming the pan body is selected from at least one of carbon steel, aluminum alloy, stainless steel, iron or ceramic. Therefore, the pot body has enough strength so that the quasicrystal coating film can be formed on the surface of the pot body, and the service performance of the pot body is met.
According to the utility model discloses an embodiment, in order to make the quasicrystal coating film stably adhere to on the pot body, can clean the surface of the pot body in advance, clear concrete method does not have the restriction requirement, as long as can be with the pot body clean such as spot, oil stain or rust on the surface clean, reach the requirement of coating film can. The utility model discloses an in the embodiment, can adopt modes such as alcohol, trichloroethylene or pure water add ultrasonic wave to clean and dry pot body surface, require pot body surface can not have rust etc. before the spraying, so, the coating film can improve the adhesive force of quasi-crystal coating film on the pot body greatly after the cleanness.
S200: forming a quasi-crystal coating on the inner surface of the pot body by magnetron sputtering or multi-arc ion plating.
According to the utility model discloses an embodiment, the quasi-crystal coating film that obtains through magnetron sputtering or multi-arc ion plating preparation is comparatively fine and close, has suitable thickness and porosity, when satisfying non-adhesion performance, still has better thermal conductivity, and stronger with the cohesion of the pot body, makes its adhesion on the pot body better, and then not only can improve non-adhesion, wearability and the corrosion resistance of quasi-crystal coating film, but also can prolong the life of pan. Compared with other coating methods, such as evaporation coating, the quasi-crystal coating formed in the method is better and more compact and has stronger adhesive force, and the evaporation coating is to evaporate the raw materials at one time, so that the adhesive force on the surface of the pot body is poor and the compactness is poor.
According to the utility model discloses an embodiment can further adopt bias voltage magnetron sputtering or bias voltage multi-arc ion plating to prepare the quasicrystal coating film, sets up the bias voltage in magnetron sputtering or multi-arc ion plating technology promptly, adopts bias voltage magnetron sputtering or bias voltage multi-arc ion plating method to change operation and industrial production pan, can make the quasicrystal coating film more compact, can be powerful attached to base member pot body surface, the compactness and the adhesive force of further promotion quasicrystal coating film.
According to the embodiment of the present invention, in order to obtain the quasicrystal coating film with better non-adhesiveness, the bias magnetron sputtering or the bias multi-arc ion plating is at least one ofUnder the conditions of (a): vacuum degree of 1.0x10-2Pa～1.0x10-3Pa, e.g. 1.0x10-2Pa、0.7x10-2Pa、0.5x10-2Pa、0.2x10-2Pa or 1.0x10-3Pa; the power is 6kW to 18kW, such as 6kW, 8kW, 10kW, 12kW, 14kW, 16kW or 18 kW; the bias voltage is-100V to-300V, such as-100V, -150V, -200V, -250V or-300V; the deposition time is 60-180 minutes, such as 60 minutes, 80 minutes, 100 minutes, 140 minutes, 160 minutes, or 180 minutes. Therefore, the quasicrystal coating film with proper thickness and porosity can be obtained, and the non-adhesiveness, the wear resistance and the corrosion resistance of the quasicrystal coating film are further improved.
According to an embodiment of the present invention, referring to fig. 3, the step of forming the quasicrystalline coating film includes:
s210: aluminum, copper, iron and additional elements are mixed according to the atomic number ratio (60-70): (15-25): (5-15): (5-15) mixing, and smelting in a vacuum or protective atmosphere to form an alloy ingot, wherein the additional element comprises at least one of chromium and titanium. Therefore, the quasicrystal content in the quasicrystal coating film can be higher and can reach 60 wt% -90 wt%, so that the quasicrystal coating film has better non-adhesiveness, wear resistance and corrosion resistance, and the service performance of the pot is further prolonged.
According to the embodiment of the utility model, the concrete method of forming the alloy ingot does not have the restriction requirement, and the skilled person in the art can select according to actual need is nimble. The utility model discloses an in the embodiment, the raw materials (Al, Cu, Fe, Cr and Ti) that will weigh above-mentioned proportion are put into the intermediate frequency induction furnace that has been cleared up, wherein, place Fe and Cr in the bottom position of intermediate frequency induction furnace, and the intensification is smelted, and whole journey lets in inert gas and is regarded as the protective gas or the evacuation in the melting process, treats that the alloy melts completely and the casting after the slagging-off obtains the alloy ingot, obtains the quasi-crystal material.
S220: and processing the alloy ingot into a target material with a preset size.
According to the embodiment of the utility model, the method for processing the alloy ingot into the target has no limitation requirement, and the technicians in the field can flexibly select the target according to the actual requirements. In embodiments of the present disclosure, methods of processing an alloy ingot into a target include, but are not limited to, numerical control (CNC) machines. Thus, the machining dimension is accurate.
According to the embodiment of the utility model, the specific size phase-match of coating machine negative pole in above-mentioned predetermined size and bias voltage magnetron sputtering or bias voltage multi-arc ion plating, the size of target is unanimous with coating machine negative pole size promptly, and the skilled person in the art can according to the size of coating machine negative pole nimble predetermined size of setting for.
According to the utility model discloses an embodiment, in order to improve the quasicrystal content of quasicrystal coating film, before forming the quasicrystal coating film on the pot body, further include: and annealing the target material. In the annealing process, the quasicrystal crystal seeds in the target material can grow into quasicrystal crystal grains in the annealing process, so that the annealing treatment can greatly improve the quasicrystal content in the target material, further improve the quasicrystal content in the quasicrystal coating film, and further greatly improve the non-adhesiveness of the quasicrystal coating film.
According to the embodiment of the present invention, in order to grow the quasicrystalline seed crystal into a quasicrystalline grain in annealing, the annealing treatment is performed under the following conditions: the temperature is 700-900 deg.C, such as 700 deg.C, 720 deg.C, 740 deg.C, 760 deg.C, 780 deg.C, 800 deg.C, 850 deg.C, 880 deg.C or 900 deg.C, for 6-12 hours, such as 6 hours, 7 hours, 8 hours, 9 hours, 10 hours, 11 hours or 12 hours. The annealing temperature herein refers to a holding temperature during the annealing process. Therefore, the quasi-crystal seed in the target material can grow into the quasi-crystal grain by annealing in the temperature range, and the performance of the original quasi-crystal grain in the target material can not be influenced; if the temperature is lower than 700 ℃, a longer time is needed for the quasicrystal seed crystal to grow into the quasicrystal crystal grain, so the quasicrystal content in the target material is still improved compared with the target material before annealing treatment; if the temperature is higher than 900 ℃, although the content of the quasicrystal in the target material can be greatly improved, in the annealing process, the target material has overhigh thermal stress due to overhigh temperature, and the target material is cracked due to overhigh thermal stress, so that the thickness uniformity of the finally formed quasicrystal coating film is seriously influenced, and the non-sticking effect of the cookware is further influenced.
S230: the target material is used for forming a quasicrystal coating film on the pot body.
According to the embodiment of the present invention, the quasi-crystal coating film is formed by a bias magnetron sputtering method or a bias multi-arc ion plating method, wherein, in order to obtain the quasi-crystal coating film with better non-adhesiveness, the vacuum coating is performed under at least one of the following conditions: vacuum degree of 1.0x10-2Pa～1.0x10-3Pa, e.g. 1.0x10-2Pa、0.7x10-2Pa、0.5x10-2Pa、0.2x10-2Pa or 1.0x10-3Pa; the power is 6kW to 18kW, such as 6kW, 8kW, 10kW, 12kW, 14kW, 16kW or 18 kW; the bias voltage is-100V to-300V, such as-100V, -150V, -200V, -250V or-300V; the deposition time is 60-180 minutes, such as 60 minutes, 80 minutes, 100 minutes, 140 minutes, 160 minutes, or 180 minutes. Therefore, the quasicrystal coating film with proper thickness and porosity can be obtained, and the non-adhesiveness, the wear resistance and the corrosion resistance of the quasicrystal coating film are further improved.
According to the embodiment of the utility model, the method for preparing the cookware is simple, low in cost, high in efficiency and easy for industrial production, the prepared cookware has good non-adhesiveness, hardness and corrosion resistance, the surface of the quasicrystal coating is smooth, the non-adhesiveness of the cookware can be further improved, and the cookware is convenient to clean; in addition, bias voltage is set in the process of preparing the quasi-crystal coating film by magnetron sputtering or multi-arc ion plating, so that the quasi-crystal coating film is more compact and can be strongly attached to the surface of the pot body, namely, the compactness and the adhesive force of the quasi-crystal coating film are further improved.
It should be noted that the term "non-stick" refers to the property of the pan when the pan is used in a cooking utensil, the quasicrystalline coating is placed in direct contact with food, and the food does not stick to the pan during cooking.
According to the utility model discloses an embodiment, the kind of pan does not have the restriction requirement, and the skilled person in the art can select according to actual conditions in a flexible way the embodiment of the utility model discloses an in, the pan is for selecting from at least one in frying pan, stew pan, milk pot electricity rice cooker or the pressure cooker.
In yet another aspect of the present invention, a cooking appliance is provided. According to the utility model discloses an embodiment, cooking utensil includes preceding pan. Therefore, the cooking utensil has good non-stick property, and when food is cooked, the food cannot stick to a pot, so that the taste and the appearance of the food are improved. Those skilled in the art will appreciate that the cooking appliance has all the features and advantages of the aforementioned cookware, and thus the description thereof is omitted.
Of course, it will be understood by those skilled in the art that the cooking appliance includes, in addition to the aforementioned quasicrystalline coating and body, the necessary structures or components of a conventional cooking appliance, such as a wok, and a handle, etc., in addition to the aforementioned pot; taking an electric cooker as an example, besides the cooker, the electric cooker further comprises a base, a steam valve, a cooker cover, an electric heating plate, an operation interface and other structures or components.
Examples
Example 1
The steps of preparing the pot include:
the method comprises the following steps: pure aluminum, pure copper, pure iron and pure chromium are used as raw materials, and according to the atomic percentages of Al, Cu, Fe and Cr + Ti, the raw materials are 60: 15: 15: 10, proportioning;
step two: putting weighed Al, Cu, Fe, (Cr + Ti) raw materials into a cleaned medium-frequency induction furnace, placing Fe and Cr at the bottom position of the medium-frequency induction furnace, heating and smelting, introducing inert gas in the whole process as protective gas in the smelting process or vacuumizing, and casting an alloy ingot after the alloy is completely melted and deslagging;
step three: machining the alloy ingot obtained in the step two into the size of the target material by adopting CNC machining;
step four: cleaning the pan body;
step five: performing film coating under the following conditions by adopting bias magnetron sputtering,
vacuum degree of 1.0x10-2Pa；
The power is 6 kW;
the bias voltage is-100V;
the deposition time was 60 minutes.
Test results of the pot inner surface (surface of the quasicrystal coating film):
surface roughness: ra0.2
Non-stick property: grade 1 (grade 1: light shaking or no shaking, all rice can fall out of the inner pot, grade 2: light shaking still rice is adhered on the coating, weight of rice is less than or equal to 50g, grade 3: light shaking still rice is adhered on the coating, weight of rice is less than or equal to 100 g).
And (3) neutral salt spray test: 96H does not rust
Example 2
The steps of preparing the pot include:
the method comprises the following steps: pure aluminum, pure copper, pure iron and pure chromium are used as raw materials, and Al, Cu, Fe and Cr + Ti are 70 atomic percent: 15: 5: 10, proportioning;
step two: putting weighed Al, Cu, Fe, (Cr + Ti) raw materials into a cleaned medium-frequency induction furnace, placing Fe and Cr at the bottom position of the medium-frequency induction furnace, heating and smelting, introducing inert gas in the whole process as protective gas in the smelting process or vacuumizing, and casting an alloy ingot after the alloy is completely melted and deslagging;
step three: machining the alloy ingot obtained in the step two into the size of the target material by adopting CNC machining;
step four: cleaning the pan body;
step five: adopts bias multi-arc ion plating to carry out film plating under the following conditions,
vacuum degree of 1.0x10-3Pa；
The power is 18 kW;
the bias voltage is-300V;
the deposition time was 180 minutes.
Test results of the pot inner surface (surface of the quasicrystal coating film):
surface roughness: ra0.3
Non-stick property: grade 1 (grade 1: light shaking or no shaking, all rice can fall off from the inner pot, grade 2: light shaking still rice is adhered on the coating, weight of rice is less than or equal to 50g, grade 3: light shaking still rice is adhered on the coating, weight of rice is less than or equal to 100g)
And (3) neutral salt spray test: 172H does not rust
Example 3
The steps of preparing the pot include:
the method comprises the following steps: pure aluminum, pure copper, pure iron and pure chromium are used as raw materials, and Al, Cu, Fe and Cr + Ti are 65 atomic percent: 15: 10: 10, proportioning;
step two: putting weighed Al, Cu, Fe, (Cr + Ti) raw materials into a cleaned medium-frequency induction furnace, placing Fe and Cr at the bottom position of the medium-frequency induction furnace, heating and smelting, introducing inert gas in the whole process as protective gas in the smelting process or vacuumizing, and casting an alloy ingot after the alloy is completely melted and deslagging;
step three: machining the alloy ingot obtained in the step two into the size of the target material by adopting CNC machining;
step four: cleaning the pan body;
step five: adopts bias multi-arc ion plating to carry out film plating under the following conditions,
vacuum degree of 5.0x10-2Pa；
The power is 12 kW;
the bias voltage is-150V;
the deposition time is 60-180 minutes.
Test results of the pot inner surface (surface of the quasicrystal coating film):
surface roughness: ra0.25
Non-stick property: grade 1 (grade 1: light shaking or no shaking, all rice can fall off from the inner pot, grade 2: light shaking still rice is adhered on the coating, weight of rice is less than or equal to 50g, grade 3: light shaking still rice is adhered on the coating, weight of rice is less than or equal to 100g)
And (3) neutral salt spray test: 144H does not rust
Example 4
The steps of preparing the pot include:
the method comprises the following steps: pure aluminum, pure copper, pure iron and pure chromium are adopted as raw materials, and Al, Cu, Fe and Cr + Ti are 55 atomic percent: 10: 20: 15, proportioning;
step two: putting weighed Al, Cu, Fe, (Cr + Ti) raw materials into a cleaned medium-frequency induction furnace, placing Fe and Cr at the bottom position of the medium-frequency induction furnace, heating and smelting, introducing inert gas in the whole process as protective gas in the smelting process or vacuumizing, and casting an alloy ingot after the alloy is completely melted and deslagging;
step three: machining the alloy ingot obtained in the step two into the size of the target material by adopting CNC machining;
step four: cleaning the pan body;
step five: the coating is carried out by adopting multi-arc ion plating or magnetron sputtering (without bias voltage) under the following conditions:
vacuum degree of 1.0x10-2Pa；
The power is 6 kW;
the deposition time was 60 minutes.
Test results of the pot inner surface (surface of the quasicrystal coating film):
surface roughness: ra0.25
Non-stick property: stage 2
And (3) neutral salt spray test: 48 rusts and 96H rusts
Comparative example 1
The steps of preparing the pot include:
the method comprises the following steps: pure aluminum, pure copper, pure iron and pure chromium are used as raw materials, and according to the atomic percentages of Al, Cu, Fe and Cr + Ti, the raw materials are 60: 15: 15: 10, proportioning;
step two: putting weighed Al, Cu, Fe, (Cr + Ti) raw materials into a cleaned medium-frequency induction furnace, placing Fe and Cr at the bottom position of the medium-frequency induction furnace, heating and smelting, introducing inert gas in the whole process as protective gas in the smelting process or vacuumizing, and casting an alloy ingot after the alloy is completely melted and deslagging;
step three: atomizing the alloy ingot obtained in the step two to prepare powder;
step four: cleaning the pan body;
step five: and preparing the quasicrystal coating by adopting plasma spraying.
Test results of the pot inner surface (surface of the quasicrystal coating film):
surface roughness: ra8.0
Non-stick property: stage 2
And (3) neutral salt spray test: 144H does not rust
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (7)
1. A cookware, comprising:
a pan body;
a quasi-crystal coating film arranged on the inner surface of the pot body,
wherein the quasi-crystal coating is prepared by magnetron sputtering or multi-arc ion plating.
2. The cookware according to claim 1, wherein said quasicrystalline coating is prepared by bias magnetron sputtering or bias multi-arc ion plating.
3. The cookware according to claim 1 or 2, wherein the material forming the pot is selected from carbon steel, aluminium alloy, stainless steel, iron or ceramic.
4. The cookware according to claim 1 or 2, wherein the thickness of the quasicrystalline coating is 0.1-10 microns.
5. The cookware according to claim 1 or 2, wherein the porosity of the quasicrystalline coating is less than or equal to 0.1%.
6. The cookware according to claim 1 or 2, wherein the surface roughness of the quasicrystalline coating is less than or equal to 1.6 microns.
7. Cooking appliance, characterized in that it comprises a pot according to any of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821806834.1U CN209883786U (en) | 2018-11-02 | 2018-11-02 | Pot and cooking utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821806834.1U CN209883786U (en) | 2018-11-02 | 2018-11-02 | Pot and cooking utensil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209883786U true CN209883786U (en) | 2020-01-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111139433A (en) * | 2018-11-02 | 2020-05-12 | 佛山市顺德区美的电热电器制造有限公司 | Pot, preparation method thereof and cooking utensil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111139433A (en) * | 2018-11-02 | 2020-05-12 | 佛山市顺德区美的电热电器制造有限公司 | Pot, preparation method thereof and cooking utensil |
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