CN114983237A - Wear-resistant nano composite ceramic non-stick pan and manufacturing method thereof - Google Patents

Wear-resistant nano composite ceramic non-stick pan and manufacturing method thereof Download PDF

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Publication number
CN114983237A
CN114983237A CN202210633970.XA CN202210633970A CN114983237A CN 114983237 A CN114983237 A CN 114983237A CN 202210633970 A CN202210633970 A CN 202210633970A CN 114983237 A CN114983237 A CN 114983237A
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wear
plasma
resistant
stick
powder
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王恩
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Cocaba Cookware Manufacture Co ltd
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Cocaba Cookware Manufacture Co ltd
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Priority to CN202210633970.XA priority Critical patent/CN114983237A/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A47J36/025—Vessels with non-stick features, e.g. coatings
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/134—Plasma spraying

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

The invention provides a wear-resistant nano composite ceramic non-stick pan, which is characterized in that a plasma wear-resistant layer is sprayed on the inner surface of a pan body, so that the wear resistance of the non-stick layer is improved, and the non-stick layer is not easy to fall off at high temperature. The wear-resistant nano composite ceramic non-stick pan comprises a pan body, wherein the pan body is provided with an inner surface made of an aluminum-based material, the inner surface is sprayed with a non-stick layer, and a plasma wear-resistant layer is sprayed between the non-stick layer and the inner surface of the pan body; the plasma wear-resistant layer is obtained by plasma spraying of nano composite ceramic powder. In addition, the invention also provides a preparation method of the wear-resistant nano composite ceramic non-stick pan.

Description

Wear-resistant nano composite ceramic non-stick pan and manufacturing method thereof
Technical Field
The invention relates to a non-stick pan, in particular to a wear-resistant non-stick pan and a manufacturing method thereof, belonging to the technical field of kitchen utensils.
Background
The pan is a necessary cooking tool for a kitchen, and more families choose to use the non-stick pan in order to clean and cook dishes conveniently. Most of non-stick pans on the existing market are aluminum alloy non-stick pans, and non-stick coatings are obtained by spraying titanium and titanium oxides through plasma or electric arc meltallizing. The aluminum alloy non-stick pan has a plurality of defects, and because the aluminum alloy base material is softer, a softer non-stick coating is sprayed on the aluminum alloy, so that the aluminum alloy non-stick pan is difficult to resist abrasion in actual use and has poor scratch resistance and abrasion resistance.
Chinese patent application cn201510725768.x discloses a method for preparing a wear-resistant super-hydrophobic ceramic coating by using a thermal spraying technology and a product thereof, wherein the ceramic coating is prepared by plasma spraying, and a surface PTFE non-stick coating is prepared by flame spraying, and the coating structure causes poor bonding between a PTFE layer and the ceramic layer, and the hardness and scratch resistance of the surface PTFE coating are improved slightly.
Disclosure of Invention
In view of the above, the invention provides a wear-resistant nano composite ceramic non-stick pan, wherein a plasma wear-resistant layer is obtained by plasma spraying nano composite ceramic powder on the inner surface of a pan body, so that the wear resistance of the pan body is improved, and the non-stick layer is not easy to fall off at high temperature.
The technical scheme of the invention is as follows: a wear-resistant nano composite ceramic non-stick pan comprises a pan body, wherein the inner surface of the pan body is provided with a non-stick layer; the anti-sticking pot is characterized in that a plasma wear-resistant layer is arranged between the inner surface of the pot body and the non-sticking layer, and the plasma wear-resistant layer is obtained by plasma spraying of nano composite ceramic powder;
the nano composite ceramic powder is formed by mixing alumina titanium ceramic powder, metal titanium powder and stainless steel powder; the weight percentages of the components are as follows by taking the mass of the raw materials as 100 percent: 20-30% of alumina titanium ceramic powder, 15-20% of metal titanium powder and 50-65% of stainless steel powder; and in each component, each component at least comprises 5% of nano-scale powder by mass percentage and the balance of micro-scale powder by the total mass of each component being 100%.
Preferably, the thickness of the plasma abrasion-resistant layer is 40-80 μm.
Preferably, the pot body is made of an aluminum-based material.
In addition, the invention provides a manufacturing method of the wear-resistant nano composite ceramic non-stick pan,
step 1: forming a pot blank;
step 2: removing oil, removing oil stains and oxide skin on the inner surface of the pot blank and drying;
and step 3: sand blasting: carrying out sand blasting treatment on the inner surface of the pot blank to form roughness on the inner surface of the pot blank;
and 4, step 4: preparing a plasma wear-resistant layer by plasma spraying:
and 5: cleaning the pot body, and then drying the surface of the pot body;
step 6: and preparing a non-stick layer on the surface of the plasma wear-resistant layer.
Preferably: in the step 4, when the plasma wear-resistant layer is prepared by plasma spraying: and loading the nano composite ceramic powder into plasma arc light with ultrahigh sonic velocity through argon gas to melt, and then spraying the melted nano composite ceramic powder onto the inner surface of the pot blank subjected to sand blasting to form a plasma wear-resistant layer on the inner surface of the pot blank.
Preferably: in the step 4, spraying the nano composite ceramic powder to the inner surface of the pot blank subjected to sand blasting at the speed of 300 m/s.
Preferably: in the step 4, more than one plasma spraying is performed.
Preferably: in the step 3, the roughness of the inner surface of the pot blank reaches Ra 10-15 μm.
Preferably: in the step 4, the plasma spraying parameters are as follows: the current is 400-600A, the voltage is 60-120V, the argon flow is 50-100L/min, the nitrogen is 40-80L/min, and the spraying distance is 130-150 mm.
Has the advantages that:
(1) according to the invention, the plasma wear-resistant layer is arranged between the non-stick layer of the pot body and the inner surface of the pot body, and is obtained by plasma spraying of nano composite ceramic powder; the nano composite ceramic powder is formed by mixing alumina titanium ceramic powder, metal titanium powder and stainless steel powder; the titanium aluminum oxide ceramic has high temperature resistance, and after the titanium metal powder and the stainless steel powder are added into the titanium aluminum oxide ceramic powder, the hardness and the wear resistance of the titanium aluminum oxide ceramic are greatly improved, so that the hardness of the inner surface of the pot body is obviously improved, the wear resistance is improved, the non-stick layer can be well insulated and protected, the binding force of the non-stick layer is improved, and the titanium aluminum oxide ceramic is not easy to fall off at high temperature. Tests show that when the plasma wear-resistant layer is not sprayed, the non-stick layer can be heated to continuously raise the temperature, and after the plasma wear-resistant layer is sprayed, the non-stick layer stops at about 200 ℃ and then slowly raises the temperature.
The nano composite ceramic powder at least comprises 5% of nano powder by mass, so that the hardness and compactness of the formed plasma wear-resistant layer can be improved; and the non-stick layer can be better sprayed.
(2) When the plasma wear-resistant layer is prepared by plasma spraying, ultrahigh-sound-speed plasma spraying is adopted, the plasma fusion speed is higher, the flying speed of powder particles is higher, and the bonding force of the formed plasma wear-resistant layer is stronger.
(3) Before the plasma wear-resistant layer is prepared by plasma spraying, the pot blank is subjected to sand blasting treatment to obtain a rough inner surface of the pot blank, so that the bonding strength of a subsequent functional coating (namely the plasma wear-resistant layer) can be improved.
(4) The fused and semi-fused nano composite ceramic powder particles are impacted on the surface after sand blasting at the speed of 300m/s, and the plasma abrasion-resistant layer formed at the flying speed of the powder particles has stronger bonding force.
(5) The plasma spraying is carried out more than once to obtain the plasma wear-resistant layer with set thickness, so that the hardness and the wear resistance of the plasma wear-resistant layer can be improved.
(6) The plasma spraying parameters in the invention are adopted to carry out plasma spraying to prepare the plasma wear-resistant layer, the spraying effect is good, and the hardness and the wear resistance of the formed plasma wear-resistant layer are ensured.
Drawings
FIG. 1 is a schematic view of a wear-resistant nanocomposite ceramic non-stick pan of the present invention;
fig. 2 is an enlarged view of fig. 1 at a.
Wherein: 1-pot body, 2-non-stick layer and 3-plasma wear-resistant layer
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following detailed description and accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
the embodiment provides a wear-resistant nano composite ceramic non-stick pan, which comprises a pan body 1, wherein the pan body 1 is provided with an inner surface made of an aluminum-based material, the inner surface is coated with a non-stick layer 2 (such as a conventional PTFE fluorine coating), and a plasma wear-resistant layer 3 is arranged between the non-stick layer 2 and the inner surface of the pan body 1; the plasma wear-resistant layer 3 is obtained by plasma spraying of nano composite ceramic powder; the non-stick layer 2 and the plasma wear-resistant layer 3 jointly form a wear-resistant non-stick coating of the pot body 1.
The nano composite ceramic powder is formed by mixing alumina titanium ceramic powder, metal titanium powder and stainless steel powder; the plasma wear-resistant layer is arranged between the non-stick layer and the pot body, so that the hardness of the inner surface of the pot body is obviously improved, the wear resistance is improved, the non-stick layer can be well insulated and protected, the binding force of the non-stick layer is improved, and the non-stick layer is not easy to fall off at high temperature.
The nano composite ceramic powder comprises the following components in percentage by mass based on 100% of the raw material mass: 20-30% of alumina titanium ceramic powder, 15-20% of metal titanium powder and 50-65% of stainless steel powder; in each component, each component at least comprises 5% of nanoscale powder by mass and the balance of micron-sized powder by mass, wherein the total mass of each component is 100%. The nano-scale powder arranged in the nano-composite ceramic powder can increase the hardness and the compactness of the formed plasma wear-resistant layer. Meanwhile, the plasma wear-resistant layer formed by matching the proportion has the best surface hardness and the best adhesive force.
Example 2:
the embodiment provides a preparation method of a wear-resistant nano composite ceramic non-stick pan, as shown in fig. 1:
step 1: forming a pot blank: the pot body is formed by one-step die casting by a press machine;
and 2, step: removing oil, removing oil stains and oxide skin on the inner surface of the pot blank and drying;
and step 3: sand blasting: carrying out sand blasting treatment on the inner surface of the pot blank by using No. 30 white corundum sharp-angled sand to ensure that the roughness of the inner surface of the pot blank reaches Ra10 mu m; thereby obtaining a rough inner surface which is used for improving the bonding strength of the subsequent functional coating;
and 4, step 4: preparing a plasma wear-resistant layer 3 by plasma spraying:
plasma spraying is adopted: the nano composite ceramic powder is loaded into plasma arc light with ultrahigh sound speed through argon gas to be melted (the central temperature of arc light reaches more than 10000 ℃, then the melted and semi-melted nano composite ceramic powder particles are impacted on the surface after sand blasting at the speed of 300m/s to form a plasma wear-resistant layer with high hardness, high strength and strong binding force, and the plasma wear-resistant layer with the thickness of 40 mu m is formed by adopting a multi-time spraying mode.
By adopting ultrahigh-sound-speed plasma spraying, the plasma melting speed is higher, the flying speed of powder particles is higher, and the binding force of the formed plasma wear-resistant layer is stronger.
Specifically, the method comprises the following steps: the nano composite ceramic powder comprises the following raw materials in percentage by mass of 100 percent: 20% of alumina titanium ceramic powder, 15% of metal titanium powder and 65% of stainless steel powder; the nano composite ceramic powder is obtained by directly mixing the components, and in each component, the total mass of each component is 100%, each component at least comprises nano powder with the mass fraction of 5%, and the balance is micron-sized powder.
The plasma spraying parameters were: the current is 400A, the voltage is 60V, the argon flow is 50L/min, the nitrogen flow is 40L/min, and the spraying distance is 130 mm. The hardness of the plasma wear-resistant layer obtained by adopting the nano composite ceramic powder plasma spraying is very high and reaches more than HV 600; a large number of tests prove that after the metallic titanium powder and the stainless steel powder are added into the titanium aluminum oxide powder, the hardness and the wear resistance of the titanium aluminum oxide powder are greatly improved.
And 5: cleaning the pan body, and then drying the surface of the pan body.
Step 6: preparation of the non-stick layer 2: spraying the PTFE fluorine coating on the surface of the plasma wear-resistant layer, and then baking for 10 minutes at 400 ℃ to realize the heating and curing of the PTFE fluorine coating and form a non-stick layer; the wear-resistant nano composite ceramic non-stick pan is prepared.
In order to verify the hardness (abrasion resistance) and non-tackiness of the abrasion resistant non-stick coating in the abrasion resistant non-stick pan, it was tested as follows:
testing one: and (3) wear resistance test: fixing a pan body sample with a plasma wear-resistant layer and a non-stick layer on a wear-resistant tester, using 1.5kg of load, adding a common detergent solution with the mass fraction of 0.5% while using 3M/7447B industrial scouring pad to soak and rub the inner surface of the pan body, and performing reciprocating friction on the flat area of the inner surface of the pan body, wherein the scouring pad is replaced once every 500 times, and the base material is not exposed after 12000 times of friction.
And (2) testing: ball-point pen refill abrasion resistance test (abrasion resistance test for abrasion resistant nanocomposite ceramic non-stick pan): placing a pot body sample with a plasma wear-resistant layer and a non-stick layer on an aluminum ingot, pouring a small amount of edible oil into the pot body, covering the surface of a coating, and setting the temperature of the aluminum ingot to enable the oil temperature of the pot body to reach 200 ℃; a ball-point pen refill (pen length is 115mm, and the diameter of the refill is 1mm) fixed with 320g load is rotated on the surface of a coating of a pot body, the rotation frequency is 40 circles/min, and the ball-point pen refill is replaced every 500 circles; and (4) checking the coating condition in the testing process until the base material is exposed, wherein the number of turns of the ball-point pen refill is more than 20000, and the ball-point pen refill meets the 1-grade wear-resistant standard.
And (2) testing: non-tackiness test: 1. washing the pan body with tap water and a flexible detergent solution, rinsing with tap water for several times, and wiping with a paper towel; 2. heating the pot body on an electric furnace or a gas stove, and heating the product to 150 ℃ by controlling the heating temperature with a pyrometer; 3. breaking the shell of an egg, putting the egg into a pot, and putting the egg into the pot until the egg protein is basically solidified (the surface temperature of the product is not more than 210 ℃), wherein no plant edible oil or other fatty oil is put in the pot; 4. and (3) taking out the eggs by using a plastic or wood shovel or a metal shovel with a coating, wiping the coating surface of the pot body by using a soft cloth, repeating the step 2.3, and carrying out the test for 4 times, wherein the pot body can still be normally used.
Example 3:
the embodiment provides a preparation method of the wear-resistant nano composite ceramic non-stick pan, which comprises the following steps:
step 1: forming a pot blank: the pot body is formed by one-step die casting by a press machine;
step 2: removing oil, removing oil stains and oxide skin on the inner surface of the pot blank and drying;
and step 3: sand blasting: carrying out sand blasting treatment on the inner surface of the pot blank by using No. 30 white corundum sharp-angled sand to ensure that the roughness of the inner surface of the pot blank reaches Ra15 mu m; thereby obtaining a rough inner surface which is used for improving the bonding strength of the subsequent functional coating;
and 4, step 4: preparing a plasma wear-resistant layer 3 by plasma spraying:
plasma spraying is adopted: the nano composite ceramic powder is loaded into plasma arc light with ultrahigh sonic speed through argon gas to be melted (the central temperature of arc light reaches more than 10000 ℃, then the melted and semi-melted nano composite ceramic powder particles are impacted on the surface after sand blasting at the speed of 300m/s to form a wear-resistant non-stick coating with high hardness, high strength and strong binding force, and the wear-resistant non-stick coating with the thickness of 80 mu m is formed by adopting a multi-time spraying mode.
Specifically, the method comprises the following steps: the nano composite ceramic powder comprises the following raw materials in percentage by mass of 100 percent: 30% of aluminum oxide titanium powder, 20% of metal titanium powder and 50% of stainless steel powder; the nano composite ceramic powder is obtained by directly mixing the components, and in each component, the total mass of each component is 100%, each component at least comprises nano powder with the mass fraction of 5%, and the balance is micron-sized powder.
The plasma spraying parameters were: the current is 600A, the voltage is 120V, the argon flow is 100L/min, the nitrogen is 80L/min, and the spraying distance is 150 mm.
And 5: cleaning the pan body, and then drying the surface of the pan body.
Step 6: preparation of the non-stick layer 2: spraying PTFE fluorine coating on the surface of the plasma wear-resistant layer, and then baking for 10 minutes at 400 ℃ to realize heating and curing of the PTFE fluorine coating and form a non-stick layer; thus obtaining the wear-resistant nano composite ceramic non-stick pan.
Testing one: and (3) wear resistance test: fixing a pan body sample with a plasma wear-resistant layer and a non-stick layer on a wear-resistant tester, loading 1.5kg of load, adding a common detergent solution with the mass fraction of 0.5% into 3M/7447B industrial scouring pad to soak and rub the inner surface of the pan body, and performing reciprocating friction on a flat area of the inner surface of the pan body, wherein the scouring pad is replaced once every 500 times, and the base material is not exposed after 17000 times of friction.
And (2) testing: ball-point pen refill abrasion resistance test (abrasion resistance test for abrasion resistant nanocomposite ceramic non-stick pan): placing a pot body sample with a plasma wear-resistant layer and a non-stick layer on an aluminum ingot, pouring a small amount of edible oil into the pot body, covering the surface of a coating, and setting the temperature of the aluminum ingot to enable the oil temperature of the pot body to reach 200 ℃; a ball-point pen refill (the pen length is 115mm, the refill diameter is 1mm) fixed with 320g load is rotated on the surface of the coating of the pot body, the rotating frequency is 40 circles/min, and the ball-point pen refill is replaced every 500 circles; and (4) checking the coating condition in the testing process until the base material is exposed, wherein the number of turns of the ball-point pen refill is more than 20000, and the ball-point pen refill meets the 1-grade wear-resistant standard.
And (3) testing: non-tackiness test: 1. washing the coating product with tap water and a flexible detergent solution, rinsing with tap water for several times, and wiping with a paper towel; 2. heating the product on an electric furnace or a gas stove, and controlling the heating temperature by a pyrometer to heat the product to 170 ℃; 3. breaking the shell of an egg, putting the egg into a pot, and putting the egg into the pot until the egg protein is basically solidified (the surface temperature of the product is not more than 210 ℃), wherein no plant edible oil or other fatty oil is put in the pot; 4. and (3) taking out the eggs by using a plastic or wood shovel or a metal shovel with a coating, wiping the surface of the coating by using a soft cloth, repeating the step 2.3, and carrying out the test for 4 times, wherein the pan body can still be normally used.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims (10)

1. A wear-resistant nano composite ceramic non-stick pan comprises a pan body, wherein the inner surface of the pan body is provided with a non-stick layer; the anti-sticking pot is characterized in that a plasma wear-resistant layer is arranged between the inner surface of the pot body and the non-sticking layer, and the plasma wear-resistant layer is obtained by plasma spraying of nano composite ceramic powder;
the nano composite ceramic powder is formed by mixing alumina titanium ceramic powder, metal titanium powder and stainless steel powder; the weight percentages of the components are as follows by taking the mass of the raw materials as 100 percent: 20-30% of alumina titanium ceramic powder, 15-20% of metal titanium powder and 50-65% of stainless steel powder; in each component, each component at least comprises 5% of nano-scale powder by mass percentage and the balance of micro-scale powder by the total mass of each component being 100%.
2. The wear-resistant nanocomposite ceramic non-stick pan of claim 1, wherein the thickness of the plasma wear layer is 40 μ ι η to 80 μ ι η.
3. The wear-resistant nanocomposite ceramic non-stick pan according to claim 1 or 2, wherein the pan body is made of an aluminum-based material.
4. A method of making the wear resistant nanocomposite ceramic non-stick pan of any of claims 1-3, wherein:
step 1: forming a pot blank;
step 2: removing oil, removing oil stains and oxide skin on the inner surface of the pot blank and drying;
and step 3: sand blasting: carrying out sand blasting treatment on the inner surface of the pot blank to form roughness on the inner surface of the pot blank;
and 4, step 4: preparing a plasma wear-resistant layer by plasma spraying:
and 5: cleaning the pot body, and then drying the surface of the pot body;
step 6: and preparing a non-stick layer on the surface of the plasma wear-resistant layer.
5. The method for preparing an abrasion-resistant nanocomposite ceramic non-stick pan according to claim 4, wherein: in the step 4, when the plasma wear-resistant layer is prepared by plasma spraying: and loading the nano composite ceramic powder into plasma arc light with ultrahigh sonic velocity through argon gas to melt, and then spraying the melted nano composite ceramic powder onto the inner surface of the pot blank subjected to sand blasting to form a plasma wear-resistant layer on the inner surface of the pot blank.
6. The method for preparing an abrasion-resistant nanocomposite ceramic non-stick pan according to claim 5, wherein: in the step 4, spraying the nano composite ceramic powder to the inner surface of the pot blank subjected to sand blasting at the speed of 300 m/s.
7. The method for preparing an abrasion-resistant nanocomposite ceramic non-stick pan according to claim 4, wherein: in the step 4, more than one plasma spraying is performed.
8. The method for preparing an abrasion-resistant nanocomposite ceramic non-stick pan according to claim 4, wherein: in the step 3, the roughness of the inner surface of the pot blank reaches Ra 10-15 μm.
9. The method for preparing an abrasion-resistant nanocomposite ceramic non-stick pan according to claim 4, wherein: in the step 4, the plasma spraying parameters are as follows: the current is 400-600A, the voltage is 60-120V, the argon flow is 50-100L/min, the nitrogen is 40-80L/min, and the spraying distance is 130-150 mm.
10. The method for preparing an abrasion-resistant nanocomposite ceramic non-stick pan according to claim 4, wherein:
in the step 3, carrying out sand blasting treatment on the inner surface of the pot blank to enable the roughness of the inner surface of the pot blank to reach Ra 10-15 microns;
in the step 4, loading the nano composite ceramic powder into plasma arc light with ultrahigh sonic velocity through argon gas for melting, then spraying the nano composite ceramic powder onto the inner surface of the pot blank subjected to sand blasting at the speed of 300m/s, and performing plasma spraying for more than one time; and the plasma spraying parameters are as follows: the current is 400-600A, the voltage is 60-120V, the argon flow is 50-100L/min, the nitrogen is 40-80L/min, and the spraying distance is 130-150 mm.
CN202210633970.XA 2022-06-06 2022-06-06 Wear-resistant nano composite ceramic non-stick pan and manufacturing method thereof Pending CN114983237A (en)

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CN202210633970.XA CN114983237A (en) 2022-06-06 2022-06-06 Wear-resistant nano composite ceramic non-stick pan and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210633970.XA CN114983237A (en) 2022-06-06 2022-06-06 Wear-resistant nano composite ceramic non-stick pan and manufacturing method thereof

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CN114983237A true CN114983237A (en) 2022-09-02

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