CN101775600A - Metal surface enamel layer, processing technology of interface thereof and use of technique - Google Patents
Metal surface enamel layer, processing technology of interface thereof and use of technique Download PDFInfo
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- CN101775600A CN101775600A CN200910071254A CN200910071254A CN101775600A CN 101775600 A CN101775600 A CN 101775600A CN 200910071254 A CN200910071254 A CN 200910071254A CN 200910071254 A CN200910071254 A CN 200910071254A CN 101775600 A CN101775600 A CN 101775600A
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Abstract
The invention relates to a metal surface enamel layer, processing technology of an interface thereof and the use of the technology. The metal enamel has a high sintering temperature and short time which is within 3 to 8 minutes; and the conventional sintering process has difficulties in realizing the metal enamel and requires high cost. The processing technology comprises surface processing and enamel processing, wherein in the surface processing, surfaces of metal material products are processed by adopting electric arc spraying or oxyacetylene spraying; and in the enamel processing, an electric induction heating method is adopted for high-temperature sintering at the temperature of between 850 and 1,100 DEG C for 3 to 8 minutes. The processing technology is applied to enamel products of the surfaces of metal materials.
Description
Technical field:
The present invention relates to a kind of metallic surface enamelled processing technology of interface.
Background technology:
At present, metal material matrix enamelwares such as enamel pipe, enameling sheet, enamel heat exchanger, scatterer have excellent wear-resisting, corrosion-resistant, resistance to elevated temperatures.But the enamel layer bonding strength of these goods is not high, and enamel layer comes off under shock action easily, has had a strong impact on the performance of enamel layer performance.Therefore improving the bonding strength of enamel layer and metal matrix material, is the key that obtains excellent metallic enamel performance.
At present, metal base surface enamelware sintering is confined to small size, lightweight part.General city adopts coal, coke, resistance furnace sintering process.Can't sintering for the goods of overweight, overlength degree, because of enamelware weight, length exceed certain limit, the sintering oven space is restricted, and the shove charge difficulty is big.Complex-shaped goods are at 850 ℃--and 1100 ℃ of conditions of high temperature are yielding.Metallic enamel sintering temperature height, time weak point generally can only be finished at 3-8 minute, adopt conventional sintering technology difficulty or ease to realize, and the cost height.
Summary of the invention:
The purpose of this invention is to provide a kind of metallic surface enamelled processing technology of interface that improves enamel layer and metallic matrix interface bond strength.
Above-mentioned purpose realizes by following technical scheme:
Metallic surface enamelled processing technology of interface, its composition comprises: surface treatment, enamel are handled, described surface treatment is to adopt electric arc spraying or oxy-acetylene spraying that the metallic material product surface is handled, described enamel is handled and is adopted electrical induction heating method high temperature sintering, temperature range is 850 ℃--1100 ℃, sintering time is 3-8 minute.
The metallic surface enamel layer, its composition comprises: hot spray coating, enamel layer, have hot spray coating between described metallic matrix and the described enamel layer, described hot spray coating comprises Ni-based layer and iron-based layer.
Described metallic surface enamel layer, described Ni-based layer material comprises Cr, B, Si, C, Fe, the content of wherein said Cr is 15-18%, the content of described B is 3.5-4.5%, the content of described Si is 3.5-4.5%, the content of described C is 0.8-1.2%, the content of described Fe is 13-15%, described iron-based layer material comprises Cr, Ni, Ti, C, the content of wherein said Cr is 18-25%, the content of described Ni is 8-11%, and the content of described Ti is 0.8-1.5%, and the content of described C is 0.01-1%.
Adopt of the application of a kind of electrical induction heating method for enamel layer and hot spray coating at metallic surface enamelled processing technology of interface.
This technical scheme has following beneficial effect:
1. the conjugation height of the enamel layer handled of the present invention and metallic matrix, shock-resistant, its bonding strength is higher than traditional enamel coating far away, can reach traditional enamel bonding strength more than 5 times.
2. electrical induction heating processing method among the present invention can make metallic enamel realize overlength size, excess weight, complex-shaped part sintering, has solved the insurmountable problem of traditional technology method, has enlarged the use range of enamelware.
3. metallic surface of the present invention enamel layer is made of metallic matrix, hot spray coating and enamel layer, and is shock-resistant, wear-resistant, corrosion-resistant, has excellent acid-alkali-corrosive-resisting performance under 600 ℃ of high temperature, high temperature resistant gas erosion.
Description of drawings:
Accompanying drawing 1 is the enamel synoptic diagram of metal tube outside surface of the present invention.
Accompanying drawing 2 is enamel synoptic diagram of metal pipe internal surface of the present invention.
Accompanying drawing 3 is metallic surface of the present invention enamelled synoptic diagram.
Accompanying drawing 4 is metallic surface of the present invention enamel sintering synoptic diagram.
1 enamel layer, 2 hot spray coatings, 3 metallic matrixes among the accompanying drawing 1-3.
The specific embodiment of the present invention:
Embodiment 1:
Metallic surface enamelled processing technology of interface, its composition comprises: surface treatment, enamel are handled, described surface treatment is to adopt electric arc spraying or oxy-acetylene spraying that the metallic material product surface is handled, described enamel is handled and is adopted electrical induction heating method high temperature sintering, temperature range is 850 ℃--1100 ℃, sintering time is 3-8 minute.
Embodiment 2:
Adopt the spraying of electric arc spraying or oxy-acetylene that spray treatment is carried out on the metallic material product surface, acquisition has the metallic coating of certain roughness, carrying out enamel processing, metallic matrix-hot spray coating--the compound coating of-enamel layer that formation has certain gradient on the surface of this coating then.
Metallic matrix is handled the back through hot spray coating, enamel layer and is formed compound coating, need be through 850 ℃--1100 ℃ of high temperature sinterings.Adopt the electrical induction heating processing method to finish sintering.
Wherein metallic enamel is a right cylinder, and diameter is 30mm-1000mm, and length is 1m-12m.And carry out sintering in various complex geometry part.
Embodiment 3:
The metallic surface enamel layer, its composition comprises: hot spray coating, enamel layer, have hot spray coating between described metallic matrix and the described enamel layer, described hot spray coating comprises Ni-based layer and iron-based layer.
Described metallic surface enamel layer, described Ni-based layer material comprises Cr, B, Si, C, Fe, and the content of wherein said Cr is 15%, and the content of described B is 3.5%, the content of described Si is 3.5%, the content of described C is 0.8%, and the content of described Fe is 13%, and described iron-based layer material comprises Cr, Ni, Ti, C, the content of wherein said Cr is 18%, the content of described Ni is 8%, and the content of described Ti is 0.8%, and the content of described C is 0.01%.
Embodiment 4:
The metallic surface enamel layer, its composition comprises: hot spray coating, enamel layer, have hot spray coating between described metallic matrix and the described enamel layer, described hot spray coating comprises Ni-based layer and iron-based layer.
Described metallic surface enamel layer, described Ni-based layer material comprises Cr, B, Si, C, Fe, and the content of wherein said Cr is 15-18%, and the content of described B is 4.5%, the content of described Si is 4.5%, the content of described C is 1.2%, and the content of described Fe is 15%, and described iron-based layer material comprises Cr, Ni, Ti, C, the content of wherein said Cr is 25%, the content of described Ni is 11%, and the content of described Ti is 1.5%, and the content of described C is 1%.
Embodiment 5:
The metallic surface enamel layer, its composition comprises: hot spray coating, enamel layer, have hot spray coating between described metallic matrix and the described enamel layer, described hot spray coating comprises Ni-based layer and iron-based layer.
Described metallic surface enamel layer, described Ni-based layer material comprises Cr, B, Si, C, Fe, and the content of wherein said Cr is 17%, and the content of described B is 4%, the content of described Si is 4%, the content of described C is 1%, and the content of described Fe is 14%, and described iron-based layer material comprises Cr, Ni, Ti, C, the content of wherein said Cr is 19%, the content of described Ni is 9%, and the content of described Ti is 1%, and the content of described C is 0.8%.
Embodiment 6:
Adopt of the application of a kind of electrical induction heating method for enamel layer and hot spray coating at metallic surface enamelled processing technology of interface.
Claims (4)
1. metallic surface enamelled processing technology of interface, its composition comprises: surface treatment, enamel are handled, it is characterized in that: described surface treatment is to adopt electric arc spraying or oxy-acetylene spraying that the metallic material product surface is handled, described enamel is handled and is adopted electrical induction heating method high temperature sintering, temperature range is 850 ℃--1100 ℃, sintering time is 3-8 minute.
2. metallic surface enamel layer, its composition comprises: hot spray coating, enamel layer is characterized in that: have hot spray coating between described metallic matrix and the described enamel layer, described hot spray coating comprises Ni-based layer and iron-based layer.
3. metallic surface according to claim 2 enamel layer, it is characterized in that: described Ni-based layer material comprises Cr, B, Si, C, Fe, the content of wherein said Cr is 15-18%, the content of described B is 3.5-4.5%, the content of described Si is 3.5-4.5%, the content of described C is 0.8-1.2%, the content of described Fe is 13-15%, described iron-based layer material comprises Cr, Ni, Ti, C, the content of wherein said Cr is 18-25%, the content of described Ni is 8-11%, and the content of described Ti is 0.8-1.5%, and the content of described C is 0.01-1%.
4. an electrical induction heating method that adopts for enamel layer and hot spray coating is in the application of metallic surface enamelled processing technology of interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910071254A CN101775600A (en) | 2009-01-13 | 2009-01-13 | Metal surface enamel layer, processing technology of interface thereof and use of technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910071254A CN101775600A (en) | 2009-01-13 | 2009-01-13 | Metal surface enamel layer, processing technology of interface thereof and use of technique |
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| CN101775600A true CN101775600A (en) | 2010-07-14 |
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| CN200910071254A Pending CN101775600A (en) | 2009-01-13 | 2009-01-13 | Metal surface enamel layer, processing technology of interface thereof and use of technique |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216214A (en) * | 2016-09-28 | 2016-12-14 | 合肥华义电气科技有限公司 | The outer complex protection layer manufacturing method thereof of box for box-type transformer substation |
| CN106423807A (en) * | 2016-09-28 | 2017-02-22 | 合肥华义电气科技有限公司 | Outer composite protection layer for box body of box-type transformer substation |
| CN109705729A (en) * | 2018-12-21 | 2019-05-03 | 北京隆源纳欣科技有限公司 | A kind of organic-inorganic modified, high temperature resistant corrosion-resistant abrasion coating |
-
2009
- 2009-01-13 CN CN200910071254A patent/CN101775600A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216214A (en) * | 2016-09-28 | 2016-12-14 | 合肥华义电气科技有限公司 | The outer complex protection layer manufacturing method thereof of box for box-type transformer substation |
| CN106423807A (en) * | 2016-09-28 | 2017-02-22 | 合肥华义电气科技有限公司 | Outer composite protection layer for box body of box-type transformer substation |
| CN109705729A (en) * | 2018-12-21 | 2019-05-03 | 北京隆源纳欣科技有限公司 | A kind of organic-inorganic modified, high temperature resistant corrosion-resistant abrasion coating |
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Open date: 20100714 |