CN1683591A - Carbon steel-aluminum coated material for kitchen and its producing method - Google Patents
Carbon steel-aluminum coated material for kitchen and its producing method Download PDFInfo
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- CN1683591A CN1683591A CNA2004100818098A CN200410081809A CN1683591A CN 1683591 A CN1683591 A CN 1683591A CN A2004100818098 A CNA2004100818098 A CN A2004100818098A CN 200410081809 A CN200410081809 A CN 200410081809A CN 1683591 A CN1683591 A CN 1683591A
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- Prior art keywords
- carbon steel
- aluminium
- aluminum
- coating
- kitchen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/012—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of aluminium or an aluminium alloy
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
- Laminated Bodies (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
This invention provides a kind of carbon steel-aluminum coated material with new construction, revulsive heating and excellent bond strength, especially improved briquettability. In details to say, the invention involves in that a carbon steel-aluminum coat of a given thickness is coated on one side of the carbon steel. Mating aluminum is coated in the top of the coat and laminating aluminium layer is formed. It has the same bond strength and revulsive heating as existing stainless steel-aluminum coated material, and briquettability is increased greatly. It applies to home appliances, vehicle parts, atomic power and pressure vessel for petroleum and other kinds of industry areas, especially carbon steel-aluminum coated material of opsonizing vessel for kitchen.
Description
Technical field
The present invention relates to carbon steel-aluminum coated material for kitchen, say in further detail, relate to a kind of carbon steel coating that on the one side of carbon steel, this carbon steel, forms the aluminium that has been coated with specific thicknesses, engage aluminium and form laminated aluminium lamination in the lining of the top of aforementioned coating, have same bond strength and induce heating property and formability to improve extraordinarily with existing stainless steel-aluminium coating material, with various industrial fields such as pressurized vessels, be particularly suitable for the carbon steel-aluminum coating material of adjusting container for kitchen use applicable to tame electrical article, trolley part, atomic power and oil.
Background technology
Usually, so-called coating material is in conjunction with the surface of the metallic substance more than 2 kinds on the Metallkunde, the matrix material of integrated laminate-type, by such coating material is used as the material appropriate combination, owing to make raw-material performance maximization, can save the starting material of high price, so have bigger advantage economically, therefore little by little variation of raw-material combination, also magnified in the use field.
In like this article coated, as the field that utilizes stainless steel or carbon steel aluminium coating material, can enumerate the tame electrical article, trolley part, atomic power and the petroleum chemistry that comprise kitchen tackle with pressurized vessel etc., wherein, maximum needs are tame electrical articles.
In the coating material, for the advantage of suitable combination stainless steel and aluminium is used, stainless steel-aluminium coating material is investigated, be covered the goods of these materials owing to have the low-gravity of aluminium and advantages such as the erosion resistance of high thermal conduction degree, stainless excellence and processibility, thus can be useful in general home-use adjusting container, electronics conditioning with utensil, material of construction, be used for heat exchanger usefulness material that equipment uses, automobile, vehicle, boats and ships etc.
Stainless steel-aluminium coating material has such multiple use, substitutes very big of existing raw-material possibility in every field.Now, the purposes of this coating material particularly as seen, at most the fields that utilize are kitchen appliances, stainless steel erosion resistance, processibility are good, but the non-constant of Heat conductivity, so the stainless steel of in fact thermal conduction excellence-aluminium coating material substitutes most heating kitchen appliance just gradually.
In recent years, as thermal source using gas not, utilize dangerous little, heating (Induction Heating) device of inducing that environment is affine increases gradually, and as suitable starting material, using heat conduction homogeneous and stainless steel-aluminium or stainless steel-aluminium-stainless steel coating material rapidly, but induce the type of heating heating raw materials to be magnetic in order to utilize, therefore, the occasion of doubler, the outside ferrite-group stainless steel that uses, the coating to the aluminium coating resin is used in the inside that contacts with food, the occasion of triple plates, outside by ferrite-group stainless steel, the middle part is by aluminium, and inside is made of austenite stainless steel.
The occasion of ferrite-group stainless steel, when moulding, produce obstinate surface imperfection-backing (ridging, roping), in order to remove this defective, must spend more cost by appending the operation of grinding tens of microns etc., extend to about 30% so low, if so lining or molding condition superlative hardly is apt to cause breakage when moulding.
Summary of the invention
Therefore the inventor is in order to improve foregoing existing coating material backing when the moulding such forming defect, breakage and to induce problem such as heating property, the result who makes great efforts to study, found on carbon steel to form coated with aluminum the carbon steel coat, engage aluminium and the carbon steel-aluminum coating material that forms laminated aluminium lamination is compared with existing coating material and kept inducing heating property and bond strength in the top lining of the carbon steel layer of above-mentioned coating, and formability improves extraordinarily, and then the present invention who finishes.
Therefore the purpose of this invention is to provide the carbon steel-aluminum coating material of inducing the new construction that heating property, bond strength excellence, particularly formability significantly improve.
The present invention relates to a kind of carbon steel-aluminum coated material for kitchen, it is characterized in that, form on a face of carbon steel, aforementioned carbon steel and applied thickness 5-120 μ m, the carbon steel coating of the aluminium of preferred 10-80 μ m engages aluminium in the lining of the top of aforementioned carbon steel coating and forms laminated aluminium lamination.
According to the present invention, a surface-coated carbon steel on engage aluminium and carbon steel-coating material of forming keeps and have the same bond strength of coating material now and induce heating property, and improved formability extraordinarily, so original cost of expense of having saved on the surface to be spent etc., thus applicable to tame electrical article, trolley part, atomic power and oil with various industrial fields such as pressurized vessels, can be particularly suitable for adjusting container for kitchen use.
The simple declaration of accompanying drawing
Fig. 1 be expression with the figure of the structure graphic of existing aluminium/stainless steel coating material (comparative example 2) ((a) stainless steel: 304, (b) stainless steel: 430).
Fig. 2 is the figure of expression with the structure graphic of aluminium of the present invention/carbon steel coating material (embodiment 1).
The figure of Fig. 3 structure graphic that to be expression handle the one side of aluminium of the present invention/carbon steel coating material with oxide coatings.
Fig. 4 is the photo of structure of carbon steel that is illustrated in the two sides melt coating Al-8Si alloy (16 μ m are thick) of carbon steel.
Fig. 5 is illustrated in the photo that lining on the carbon steel of two sided coatings Al-8Si alloy engages the structure of aluminium.
Fig. 6 is expression is observed existing aluminium-stainless steel coating material (a) and carbon steel-aluminum coating material of the present invention (b) deep-draw processing back from the outside a photo.
Fig. 7 is the photo that expression coating surface of the present invention and the asynthetic carbon steel of aluminium is used the structure of oxide coatings.
Embodiment
Below, the present invention will be described in detail.
Coating material of the present invention is to form the carbon steel coating of coated with aluminum thinly on a face of carbon steel, form the carbon steel-aluminum coating material of lining on the top of aforementioned carbon steel coating in conjunction with the structure of aluminium and then laminated aluminium lamination, have the bond strength same, induce heating property (IH) with the stainless occasion of existing use, and improve formability especially, the cost of reducing surface treatment effectively and being spent is so be utilized effectively at economic aspect.
Below, further specifically describe carbon steel-aluminum coating material of the present invention.
The present invention relates to be used to improve the stainless steel used as existing coating material owing to not causing the abnormal mutually problem that is formed on the surface for the column crystal former state ground of the reason of backing that forms more, use a kind ofly to cause that by austenite and ferrite metamorphosis mutually makes the carbon steel-aluminum coating material of the carbon steel that column crystal subdues.But aforementioned carbon steel existence combines very difficult problem with aluminium, so use the carbon steel that carries out the coating of aluminium coating processing on the junction surface of carbon steel in advance.
Aforementioned carbon steel is normally used material in the art, have no particular limits, considering to improve induces hot type (IH) and thermal conduction heavily to wait, preferably the thickness with carbon steel is limited to the 0.2-1.2mm scope, aforementioned thicknesses is the occasion of 0.2mm not, induce the heating property effect little, surpass the problem that occasion generation thermal conduction is slack-off, change is heavy of 1.2mm.
In addition, there is no particular limitation to be used for aluminium that the surface coated of aforesaid carbon steel uses, can use single aluminum metal or add such aluminium alloys such as Al-Si alloy of Si, specifically among the present invention selects to use Al-8Si to be coated with.
When the coating of the very thin coating of aforesaid steel surface is covered joint aluminium or aluminium alloy on carbon steel, by the carbon steel oxidation, prevented phenomenon in conjunction with difficulty, easily engage, when the circulation of carbon steel or keeping for anti-oxidation in advance on the surface of carbon steel with the very thin coating of aluminium, wish to form 5-120 μ m, the thickness about preferred 10-80 μ m.Be difficult to during the thickness less than 10 μ m of aforementioned coating make, coating was peeled off easily when thickness surpassed 80 μ m, produced the problem of inducing heating property to worsen.The formation method of aforementioned coating is used method well known in the art, for example, can use dip coated, spraying, the molten all surface coating process such as coating of penetrating, the method with dipping carbon steel in the aluminum or aluminum alloy dissolved hot water that the present invention uses is easy and the most economic method.In addition, commercially available at the carbon steel of the thin thickness scumbling cloth of specified range as goods, use the Alcosta of port, Pu steel pipe (Korea) among the present invention.
Among the present invention, be formed on the coating material of the top of aforementioned carbon steel coating in conjunction with aluminium, laminated aluminium lamination.As engaging used aluminium, same with the aluminium that aforementioned coating is used, can use single aluminum metal or aluminium alloy, as its concrete example, also can use AA1050 (fine aluminium), AA3003 (the Al-Mn alloy that contains 0.8%Mn) etc.The thickness of used aluminium differed widely when the thickness of engaged aluminium and aforementioned coating formed, and generally according to the subscriber's of coating material requirement and different, probably used the scope about 1.0-5mm, and method of joining uses lining well known in the art to engage.Such lining engages generally carries out calender line under 250-400 ℃.
In addition, among the present invention, another face that does not form the joint of aforementioned carbon steel exposes carbon steel and causes corrosion easily, therefore in order to prevent corrosion, on the another side of aforementioned carbon steel, can be coated with metal, metal alloy or the metal oxide etc. that are used to improve erosion resistance and wear resistant and outward appearance etc. in this area.There is no particular limitation for the alloy of aforementioned metal, metal or metal oxide, for example also can use stainless steel, Al
2O
3, and Al
2O
3-TiO
2Deng.Also can use tetrafluoroethylene in addition.
As described above, the carbon steel-aluminum coating material that the present invention forms is owing to the backing (ridging) of the stainless steel that existing coating material does not take place because of not causing that metamorphosis mutually produces, therefore formability excellence not only, and further improve the coating of carbon steel and the bonding force of aluminium, can utilize at various industrial fields the material inside of the cooking utensils in the starting material particularly for kitchen use widely.
(embodiment)
Below, further describe the present invention by following embodiment.But these embodiment are for the example embodiments of the invention, do not limit the scope of the invention.
[embodiment 1]
The Al-8Si alloy of the about 16 μ m of melt coating on the one side of the carbon steel of thickness 0.4mm.After the upper layer cooperation of the carbon steel of aforementioned coating is the AA1050 (pure Al) of aluminium alloy, 320 ℃ down calendering make Al coating/carbon steel/Al coating/AA1050 alloys lining sheet materials of final thickness 3.0mm.The coating material of aforementioned manufacturing was burnt blunt 15 minutes down at 320 ℃.
[embodiment 2-4]
Carry out equally with previous embodiment 1, when keeping total thickness 3.0mm, the thickness that changes carbon steel is 0.29mm, 0.52mm and 0.63mm, makes lining sheet material.
Fig. 6 represents that aforementioned thicknesses is the photo of organizing after the carbon steel lining of 0.29mm engages.
[comparative example 1]
Be that 300 ℃ of calenderings down, making final thickness was the lining sheet material of 3.0mm after laminated thickness was the aluminium alloy AA1050 (fine aluminium) of 3.5mm on the ferritic stainless steel with excellent formability sus430J1 of 0.5mm at thickness.The lining sheet material of aforementioned manufacturing was burnt blunt 15 minutes down at 320 ℃.
[comparative example 2]
Carry out equally with previous embodiment 1, but on a face, do not carry out the coating of Al-8Si alloy, behind laminated aluminium alloy AA1050 (fine aluminium) on the carbon steel, make lining sheet material.But the undue oxidation of heating medium carbon steel at 320 ℃ does not engage.
[experimental example 1]
After the lining sheet material that previous embodiment 1-4 and comparative example 1-2 are made is die-cut into diameter 350mm, be processed into the cooking utensils shape of 31 sizes, relatively its surperficial outward appearance in deep-draw.
The surface of the cooking utensils that use comparative example 1 is made produces very big backing (ridging) as shown in Figure 7, but known to the surface such as Fig. 8 of the cooking utensils that use embodiment 1 makes, does not produce backing fully.This is because when making lining sheet material, ferrite-group stainless steel sus430J1 does not produce abnormal mutually, still former state is residual to become the column crystal of reason of backing (ridging), but the occasion of carbon steel, exist austenite with ferritic abnormal mutually, because column crystal is not subdued, so do not produce backing.
In addition, the comparative example 2 lining sheet materials of getting rid of aforementioned two finishing coats do not engage, so can not form the cooking utensils shape at 320 ℃ heating medium carbon steel over oxidation.
[experimental example 2]
Measure the lining sheet material of making among previous embodiment 1-4 and the comparative example 1-2 bond strength, induce heat characteristic, as shown in table 1.
[measuring method]
1. bond strength: stretch by the test of T type, measure bond strength while peeling off.
2. induce heating property: after being configured as cooking utensils, add 17 ℃ water 1500ml, with 2kw induce the heating and regulating device measure to arrive 100 ℃ the time used time.
[table 1]
| Distinguish | Bond strength (N/mm) | Induce heating property (second) |
| Embodiment 1 | ?128N/5mm | ?430 |
| Embodiment 2 | ?125N/5mm | ?455 |
| Embodiment 3 | ?110N/5mm | ?415 |
| Embodiment 4 | ?123N/5mm | ?396 |
| Comparative example 1 | ?130N/5mm | ?460 |
| Comparative example 2 | Can not measure | Can not measure |
As described above shown in the table 1, the bond strength of the carbon steel-aluminum of embodiments of the invention lining and induce heating property and existing stainless steel-aluminium same has perhaps shown the effect more than the prior art as can be known.The occasion of aforementioned bond strength, more much bigger than the general specification value 60N/5mm that reality is used, induce heating property some difference to be arranged according to thickness, compare the more excellent effect of demonstration with existing coating material.
Claims (4)
1. carbon steel-aluminum coated material for kitchen, it is characterized in that, on a face of carbon steel, aforementioned carbon steel, form the carbon steel coating of the aluminium that has applied thickness 5-120 μ m, preferred 10-80 μ m, engage aluminium in the lining of the top of aforementioned carbon steel coat and form laminated aluminium lamination.
2. the described carbon steel-aluminum coated material for kitchen of claim 1 is characterized in that, forms aluminium lamination on the another side of the carbon steel that does not have laminated aforementioned aluminium.
3. claim 1 or 2 described carbon steel-aluminum coated material for kitchen is characterized in that, aforementioned aluminium is single aluminum metal or aluminium alloy.
4. the described carbon steel-aluminum coated material for kitchen of claim 1 is characterized in that, the thickness of aforementioned carbon steel is at 0.2-1.2mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040026232 | 2004-04-16 | ||
| KR1020040026232A KR100553316B1 (en) | 2004-04-16 | 2004-04-16 | Structure of Steel/Al Clad for Cooking Jar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1683591A true CN1683591A (en) | 2005-10-19 |
| CN100543186C CN100543186C (en) | 2009-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100818098A Active CN100543186C (en) | 2004-04-16 | 2004-12-30 | Carbon steel-aluminum coated material for kitchen with and manufacture method |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100553316B1 (en) |
| CN (1) | CN100543186C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101118754B1 (en) * | 2011-05-17 | 2012-03-09 | 에덴테크 주식회사 | Clad material comprising carbon steel-aluminum-carbon steel |
| KR200486365Y1 (en) * | 2017-07-04 | 2018-05-08 | 주식회사 한국클래드텍 | Pan for a induction range |
| KR102022672B1 (en) * | 2018-11-14 | 2019-09-18 | 주식회사 한국클래드텍 | Method for manufacturing of industrial clad |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4646935A (en) * | 1985-01-18 | 1987-03-03 | Clad Metals, Inc. | Induction cooking utensils |
| CN1058145C (en) * | 1993-03-04 | 2000-11-08 | 西北有色金属研究院 | Double metallic composite material cooking vessel mfg. method |
| JP3066486B2 (en) * | 1997-07-28 | 2000-07-17 | コクヨ株式会社 | table |
| CN1488497A (en) * | 2002-10-10 | 2004-04-14 | 王凌平 | Method for preparing aluminium-iron (aluminium-stee) composite-plate and material for building and decorating thereof |
-
2004
- 2004-04-16 KR KR1020040026232A patent/KR100553316B1/en active IP Right Grant
- 2004-12-30 CN CNB2004100818098A patent/CN100543186C/en active Active
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| Publication number | Publication date |
|---|---|
| KR100553316B1 (en) | 2006-02-20 |
| CN100543186C (en) | 2009-09-23 |
| KR20050100986A (en) | 2005-10-20 |
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Owner name: EDEN SCIENCE AND TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SOUTH KOREAN SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE Effective date: 20100414 |
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Effective date of registration: 20100414 Address after: Gyeonggi Do, South Korea Patentee after: EDENTECH Co.,Ltd. Address before: Seoul, South Korea Patentee before: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY |