CN103384596B - Comprise the clad material of carbon steel-aluminum-carbon steel - Google Patents
Comprise the clad material of carbon steel-aluminum-carbon steel Download PDFInfo
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- CN103384596B CN103384596B CN201280009931.7A CN201280009931A CN103384596B CN 103384596 B CN103384596 B CN 103384596B CN 201280009931 A CN201280009931 A CN 201280009931A CN 103384596 B CN103384596 B CN 103384596B
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- carbon steel
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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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cookers (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention provides a kind of clad material comprising carbon steel-aluminum-carbon steel.The temperature homogeneity excellence comprising the clad material of carbon steel-aluminum-carbon steel of the present invention, and the heat transfer speed of heat transfer speed especially in induction heater is excellent.In addition, compared with the clad material of clad material of the present invention and existing use ferrite class and austenitic stainless steel, only use the expense of about 1/2 to 1/3 just can manufacture, thus can substitute the high price stainless steel-aluminium-stainless steel being in the past used in induction heater etc., and be a kind of material that can play the excellence of better performance.
Description
Technical field
The present invention relates to a kind of clad material comprising carbon steel-aluminum-carbon steel, relate to stacked carbon steel and aluminum in more detail and the clad material obtained, it is uniformity (evenness) excellence of temperature, the simultaneously clad material of heat transfer speed, heat transfer speed excellence especially in induction heater (Induction Heater, IH).
Background technology
Coated (clad) material refers to that the surface engaging two or more metal materials with metallography method forms the cascade type composite of integration.Use due to this clad material is suitably combined, the performance of material can be maximized, and the material of high price can be saved, therefore at economic aspect, also there is very large advantage, thus the combination of material is tending towards variation gradually, and the scope of application also to expand to kitchen articles be the household appliances of representative, auto parts machinery, nuclear energy and petrochemistry pressure vessel etc.
In this coated prod, as the product that the stainless steel-aluminium clad material described in No. 2003-0052881, KR published patent is the advantage of a kind of appropriately combined stainless steel and aluminium, due to the advantage such as corrosion resistance and processability using the product of this clad material can utilize stainless excellence while the low-gravity utilizing aluminium and high thermoconductivity, therefore, it is possible to be applicable to the heat exchanger material, automobile, vehicle, boats and ships etc. that use in average family mess kit, electronics utensil for cooking, construction material, complete set of equipments.
Be described as follows in more detail.With regard to corrosion resistance and processability, stainless steel is better, but the non-constant of its pyroconductivity, so comprise in the clad material of stainless steel-aluminium above-mentioned, aluminium in conjunction with pyroconductivity excellence makes up the problem of heat conductivity, thus become the material of the good but also corrosion resistance of not only pyroconductivity, excellent in workability, therefore stainless steel-aluminium clad material almost instead of the material of all heating kitchen utensils recently.
In addition, the situation using dangerous induction heating apparatus that is little, environmental protection to substitute device combustion gas used as thermal source recently constantly increases, and this induction heating apparatus is also using stainless steel-aluminium clad material or stainless steel-aluminium-stainless steel clad material in a large number.
As this technology, such as, be also documented in detail in No. 7208231,6267830,5952112,5532460,3966426,3340597, U.S. Register patent etc.
But, in widely used stainless steel-aluminium clad material in the past or stainless steel-aluminium-stainless steel clad material, due to use as stainless steel ferrite class stainless steel, austenitic stainless steel itself price very high, thus the expensive of end article will inevitably be caused, further, the difference being used in the eddy-current heating performance of the clad material of induction heating apparatus causes electricity usage amount increase and there is the problem that may increase the electricity charge.Therefore, require to develop a kind of following clad material: by using the material improving eddy-current heating speed further, under the condition of the identical power consumption of induction heating apparatus, can expect to obtain the effect shortening required cooking length of time, and kitchen utensils etc. can be applicable to cheap expense.
Summary of the invention
Technical task
For this reason, the uniformity (evenness) that the present inventor is devoted to the temperature utilizing cheap developing material integral container is excellent, and the heat transfer speed in induction heater is fast, and the clad material that bond strength is also excellent.Its result, have developed and do not use high price stainless steel in the past also can carry out with aluminum the clad material that engages, thus complete the present invention.
Therefore, problem to be solved by this invention is to provide a kind of heat transfer speed compared with stainless steel-aluminium clad material in induction heater fast (reducing the effect of the electricity charge), and can be applicable to the induction heater clad material of various container with cheaper expense.
Solve the technical scheme of problem
In order to solve above-mentioned problem, the invention provides a kind of induction heater clad material, it is characterized in that, comprising: (1) carbon steel layer, its thickness is 0.1 ~ 1.5mm; (2) aluminium lamination, it is layered in above-mentioned carbon steel layer, and thickness is 0.4 ~ 5.0mm; And (3) carbon steel layer, it is layered on above-mentioned aluminium lamination, and thickness is 0.1 ~ 1.5mm.
Invention effect
Clad material of the present invention possesses following advantage compared with stainless steel in the past-aluminium clad material: maintain bond strength, formability with identical level; When using eddy-current heating (IH) thermal source, eddy-current heating is excellent; The thermal uniformity of cooking surface is maintained equal above level; High price ferrite class in the past and austenitic stainless steel can be substituted with cheap material and carbon steel, thus significantly can reduce manufacturing expense.
Accompanying drawing explanation
Fig. 1 represents the figure comprising the three-decker clad material of carbon steel-aluminum-carbon steel of the present invention.
Fig. 2 represents the figure comprising the clad material of the four-layer structure of carbon steel-aluminum-carbon steel-aluminum of the present invention.
Fig. 3 represents the figure comprising the clad material of the five-layer structure of carbon steel-aluminum-carbon steel-aluminum-carbon steel of the present invention.
Fig. 4 represents the figure comprising the clad material of carbon steel-aluminum-carbon steel-aluminum-stainless five-layer structure of the present invention.
Fig. 5 is the figure of the stainless steel-aluminium-stainless three-decker representing prior art.
Fig. 6 is the figure of the stainless steel-aluminium-stainless steel-aluminium-stainless five-layer structure representing prior art.
Fig. 7 is the figure of the method for the mensuration heat conductivity representing experimental example 1.
Detailed description of the invention
Below, with reference to accompanying drawing, the present invention as above is described in further detail.
The basic structure of induction heater clad material of the present invention comprises:
(1) carbon steel layer, its thickness is 0.1 ~ 1.5mm;
(2) aluminium lamination, it is layered in above-mentioned carbon steel layer, and thickness is 0.4 ~ 5.0mm; And
(3) carbon steel layer, it is layered on above-mentioned aluminium lamination, and thickness is 0.1 ~ 1.5mm.
The carbon steel that the invention described above uses is compared with the general ferrite class stainless steel used as orlop in the prior art, and price is generally about about 50%.In addition, the carbon steel that the invention described above uses is compared with the austenitic stainless steel that the general upper layer as three-decker uses in the prior art, and price is generally about about 30%.Therefore, if carbon steel can be used to carry out alternative stainless steel, just significantly manufacturing expense can be reduced, as long as so performance meets equal above level, problem in the past just can be solved, basic conception of the present invention that Here it is.
The pyroconductivity (pyroconductivity of carbon steel: 0.51W/cm.K) of the carbon steel material used in the present invention although lower than the pyroconductivity (2.37W/cm.K) of aluminium, higher than stainless common pyroconductivity (0.16W/cm.K).This is also like this when combustion gas being used as thermal source, but especially when utilizing induction heater, can improve heat transfer speed further.
About the conjugation condition for the manufacture of clad material, be also documented in the prior art (such as, KR published patent 2003-0052881, KR published patent 2010-0028389 etc.), therefore in the present invention this manufacture method do not limited.General technical staff of the technical field of the invention can use known method to combine in various ways to belong to the clad material with ad hoc structure of the present invention.
As an example of this manufacture method, first, pickling (acidwashing) is carried out to remove the foreign matter on surface to the carbon steel that will engage and aluminium surface, then metallic brush is utilized to form concave-convex surface, afterwards carbon steel and aluminium plate are heated, and utilize punch press to extrude the sheet material after heating, thus produce compound coating material.
Now, in order to improve the bond strength between carbon steel and aluminium, can be used in the carbon steel face that will be combined with aluminium being coated with in advance thin aluminium lamination, this also should be interpreted as belonging to scope of the present invention.
The present invention comprises above-mentioned (1) carbon steel layer, (2) aluminium lamination and (3) carbon steel layer as basic structure, preferably the thickness of described each layer is maintained particular range.The reason being defined as specific thicknesses is like this, if thickness is blocked up, then the ratio due to carbon steel is great, thus there is in fact unworkable problem, if and thickness is excessively thin, is then difficult to the cooperative effect seeing aluminium of the present invention and carbon steel, thus thickness is limited to suitable scope.
It should be noted that, the aluminium lamination of indication of the present invention not only comprises fine aluminium, also comprises aluminium alloy.
Except the three-decker of above-mentioned carbon steel-aluminum-carbon steel, the present invention is also included in the clad material that described three-decker obtains in conjunction with one deck ~ 3-layer composite material again.
That is, be that the clad material of feature also belongs to scope of the present invention so that also to comprise (4) thickness in above-mentioned (3) carbon steel layer be the aluminium lamination of 0.4 ~ 5.0mm.
Further, be that the clad material of feature also belongs to scope of the present invention also to comprise the carbon steel layer of (5) 0.1 ~ 1.5mm or stainless steel layer on above-mentioned (4) aluminium lamination.
Further, scope of the present invention is also belonged to also to comprise the clad material that the aluminium coat of 10 ~ 80 μm is feature in the carbon steel layer of the above-mentioned the superiors.
In addition, the present invention can be coated with aluminium coat, enamel coating, Teflon coating or ceramic plated layer etc. on the surface of the superiors of above-mentioned three-decker, four-layer structure and five-layer structure, and the present invention is without particular limitation of the structure of this coating.
Below, by embodiment, clad material of the present invention is described in more detail, but should not be construed as scope of the present invention is defined in following examples.
[Production Example 1]
With thickness of 0.5 mm carbon steel as the base, and the pure aluminum or aluminum alloy A1050 (or A1100) electronic co., LTD (manufacturer: South Korea hao ( South Korea hao)) as an intermediary layer, the thickness of 0.5 mm carbon steel layer in upper cooking noodles, after rolling to produce the final cladding plate thickness of 2.5 mm.
[Production Example 2]
Manufacture according to the mode identical with above-mentioned Production Example 1, but be implemented as the carbon steel of cooking surface process of aluminizing, thus produce the coated sheet material that final thickness is 2.5mm.
[comparing Production Example 1]
Take thickness as the ferrite class stainless steel of 0.5mm be bottom surface, and using pure aluminum or aluminum alloy A1050(or A1100) (manufacturer: great Hao Electronics Co., Ltd of Korea S) as after intermediate layer is stacked, the ferrite class stainless steel using thickness being 0.5mm is stacked as top cooking surface, produces the coated sheet material that final thickness is 2.5mm afterwards by calendering.
[comparing Production Example 2]
Take thickness as the ferrite class stainless steel of 0.5mm be bottom surface, and using pure aluminum or aluminum alloy A1050(or A1100) (manufacturer: great Hao Electronics Co., Ltd of Korea S) as after intermediate layer is stacked, the austenitic stainless steel using thickness being 0.5mm is stacked as top cooking surface, produces the coated sheet material that final thickness is 2.5mm afterwards by calendering.
[experimental example 1: the mensuration of heat conductivity]
By above-mentioned Production Example 1, Production Example 2 and compare Production Example 1, compare the coated sheet metal forming of Production Example 2 and become after diameter is 350mm, make it the pan being configured as diameter 26cm, add the water of 20 DEG C of 1500ml afterwards, determine and utilize gas-cooker to reach time needed for 100 DEG C.Measure the position of temperature as shown in Figure 7, pre-set each position, and determine and reach time needed for 100 DEG C in each position.The measurement result of each sample sees the following form 1.
Table 1
Reach the time needed for 100 DEG C
From the result shown in upper table 1, be issued to time needed for 100 DEG C faster than comparing Production Example 1 and comparing the situation of Production Example 2 in the situation of Production Example 1 of the present invention and Production Example 2.Can this is presumably because that, compared with stainless steel of the prior art, the pyroconductivity of carbon steel of the present invention is larger.
[experimental example 2: the mensuration of thermal uniformity (evenness)]
By above-mentioned Production Example 1, Production Example 2 and compare Production Example 1, compare the coated sheet material of Production Example 2 and be placed on the article rack on gas-cooker, fully heating (heat time is three minutes) on one side, the temperature of the upper surface of the coated sheet material of the part that the part utilizing contact tehermometer Simultaneously test thermal source to touch and thermal source do not reach.The temperature difference between two positions, as the position measuring temperature, is obtained in two positions in pre-set above-mentioned figure.The measurement result of each sample sees the following form 2.
Result is as shown in Table 2 known, the temperature homogeneity of Production Example 1 of the present invention and Production Example 2 with compare Production Example 1 and compare Production Example 2 and compare, show peer-level, there is no large difference.This represents, although the pyroconductivity of carbon steel of the present invention is greater than stainless steel of the prior art, does not show large difference when reality uses.
Table 2
The measurement result of Δ t (unit: DEG C)
| Classification | Production Example 1 | Production Example 2 | Relatively Production Example 1 | Relatively Production Example 2 |
| Δ t(position temperature-versus-position temperature 2. 1. | Δ21 | Δ21 | Δ22 | Δ21 |
[experimental example 3: use eddy-current heating experiment during induction heater thermal source]
By above-mentioned Production Example 1, Production Example 2 and compare Production Example 1, compare after the coated sheet metal forming of Production Example 2 becomes diameter 350mm, be configured as the pan of diameter 26cm, add the water of 20 DEG C of 1500ml afterwards, determine and be issued to time needed for 100 DEG C at the induction heating cooking machine of 1.4Kw.Measure the position of temperature as shown below, pre-set each position, and determine and reach time needed for 100 DEG C in each position.The measurement result of each sample sees the following form 3.
Table 3
Reach the time needed for 100 DEG C
From the result shown in upper table 3, Production Example 1 of the present invention and Production Example 2 reach time needed for 100 DEG C obviously faster than comparing Production Example 1 and comparing Production Example 2 utilizing induction heating apparatus.This can analyze and be: why produce this phenomenon, is that the carbon steel in the present invention contains a large amount of magnetic components (99.9%), eddy-current heating excellent effect because compared with stainless steel of the prior art.In the future, under electric use amount increase and the electricity charge go up by inevitable situation, expect that clad material of the present invention can be reduced by least the effect of the electricity charge of about 10% compared with existing stainless steel-aluminium-stainless steel clad material.Recently, in worldwide (especially Japan, European Union), just making great efforts to reduce CO2 isothermal chamber gas discharging according to the Kyoto Protocol, in this case, substitute with the feature of environmental protection induction heating apparatus situation combustion gas being used as the device that thermal source uses constantly to increase, therefore can say, the effect that clad material of the present invention reduces power consumption compared with existing stainless steel-aluminium-stainless steel clad material is obvious.
Above, with reference to accompanying drawing, illustrate, but those skilled in the art can carry out various distortion and change to the present invention to structure of the present invention and feature, this distortion and change should be interpreted as belonging to protection model of the present invention.
The explanation of Reference numeral
10: carbon steel layer 20: aluminium lamination
30: carbon steel layer 40: aluminium lamination
50: carbon steel layer 11: stainless steel layer
31: stainless steel layer 51: stainless steel layer
Claims (2)
1. an induction heater clad material, is characterized in that, comprising:
(1) carbon steel layer, its thickness is 0.1 ~ 1.5mm;
(2) aluminium lamination, it is layered in above-mentioned carbon steel layer, and thickness is 0.4 ~ 5.0mm; And
(3) carbon steel layer, it is layered on above-mentioned aluminium lamination, and thickness is 0.1 ~ 1.5mm;
Above-mentioned (1) carbon steel layer and above-mentioned (3) carbon steel layer each that is combined with above-mentioned (2) aluminium lamination also comprises the aluminium thin layer of coating.
2. induction heater clad material according to claim 1, is characterized in that, it is the aluminium lamination of 0.4 ~ 5.0mm that above-mentioned (3) carbon steel layer also comprises (4) thickness.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0046455 | 2011-05-17 | ||
| KR1020110046455A KR101118754B1 (en) | 2011-05-17 | 2011-05-17 | Clad material comprising carbon steel-aluminum-carbon steel |
| PCT/KR2012/002197 WO2012157845A2 (en) | 2011-05-17 | 2012-03-26 | Clad material comprising carbon steel-aluminum-carbon steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103384596A CN103384596A (en) | 2013-11-06 |
| CN103384596B true CN103384596B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201280009931.7A Active CN103384596B (en) | 2011-05-17 | 2012-03-26 | Comprise the clad material of carbon steel-aluminum-carbon steel |
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| Country | Link |
|---|---|
| KR (1) | KR101118754B1 (en) |
| CN (1) | CN103384596B (en) |
| WO (1) | WO2012157845A2 (en) |
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| KR200486365Y1 (en) * | 2017-07-04 | 2018-05-08 | 주식회사 한국클래드텍 | Pan for a induction range |
| CN112548301B (en) * | 2020-11-03 | 2022-05-27 | 武汉科技大学 | Induction static pressure welding method for steel-aluminum dissimilar metal of automobile body |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201721095U (en) * | 2010-07-23 | 2011-01-26 | 苏州市申龙重工机械有限公司 | Stainless steel-aluminum-stainless steel composite plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6442229A (en) * | 1987-08-11 | 1989-02-14 | Sumitomo Metal Ind | Stainless clad steel plate with carbon steel lug and method for preparing the same |
| JPH04319430A (en) * | 1991-04-19 | 1992-11-10 | Nippon Steel Corp | Steel sheet-clad aluminum sheet for automobile and manufacture thereof |
| EP0672520B1 (en) * | 1994-03-18 | 1999-03-03 | Clad Lizenz AG | Multilayered, cold formable and deep drawable metal composites |
| DE59407882D1 (en) * | 1994-03-18 | 1999-04-08 | Clad Lizenz Ag | Multi-layer, cold-formable and deep-drawable composite body made of metal |
| KR100553316B1 (en) * | 2004-04-16 | 2006-02-20 | 한국과학기술연구원 | Structure of Steel/Al Clad for Cooking Jar |
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- 2011-05-17 KR KR1020110046455A patent/KR101118754B1/en active IP Right Grant
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2012
- 2012-03-26 WO PCT/KR2012/002197 patent/WO2012157845A2/en active Application Filing
- 2012-03-26 CN CN201280009931.7A patent/CN103384596B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201721095U (en) * | 2010-07-23 | 2011-01-26 | 苏州市申龙重工机械有限公司 | Stainless steel-aluminum-stainless steel composite plate |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012157845A2 (en) | 2012-11-22 |
| WO2012157845A3 (en) | 2013-01-10 |
| CN103384596A (en) | 2013-11-06 |
| KR101118754B1 (en) | 2012-03-09 |
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