CN102899663A - Method of preparing metal coating on inner surface of steel pipe through SHS (Self-propagation High-temperature Synthesis) centrifugal method - Google Patents
Method of preparing metal coating on inner surface of steel pipe through SHS (Self-propagation High-temperature Synthesis) centrifugal method Download PDFInfo
- Publication number
- CN102899663A CN102899663A CN2012104214759A CN201210421475A CN102899663A CN 102899663 A CN102899663 A CN 102899663A CN 2012104214759 A CN2012104214759 A CN 2012104214759A CN 201210421475 A CN201210421475 A CN 201210421475A CN 102899663 A CN102899663 A CN 102899663A
- Authority
- CN
- China
- Prior art keywords
- alloy
- steel pipe
- coating
- alloying element
- shs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention relates to a method of preparing a metal coating on an inner surface of a steel pipe through an SHS (Self-propagation High-temperature Synthesis) centrifugal method. The method comprises the following technical processes: an aluminum welding agent, and alloy and non-alloy elements are placed in the steel pipe, after ignition, the self-propagation reaction is carried out according to the following formula: Fe2O3+alloy and non-alloy elements+2Al=2Fe+alloy and non-alloy elements+Al2O3. Under high-temperature exothermic reaction, reaction products iron and alumina, and the added alloy and non-alloy elements are in molten condition, the iron and the alloy and non-alloy elements are soluble to form an ally, a motor drives the steel pipe to rotate at high speed, under the action of centrifugal force, the alloy with large density in the reaction products in the steel pipe is taken as a transition layer to form metallurgical bonding along with the steel pipe, the alumina with low density is distributed on the inner surface of the steel pipe, after cooling, the ceramic lining steel pipe is obtained, after the ceramic coating is knocked off by a hammer, the alloy coating is obtained on the inner surface of the steel pipe. The method, provided by the invention, has the advantages of simple process, cheap raw materials, adjustable coating material prescription, excellent performance, and the like.
Description
Technical field
The invention provides a kind of SHS(self propagating high temperature synthetic) centrifuging prepares the method for steel pipe internal-surface metallic coating.Belong to technical field of surface coating.
Background technology
During defense and commercial industry is produced, carry the media such as high temperature, burn into wearing and tearing through pipeline commonly used.Often require inner-walls of duct to have good high-temperature behavior, wear resistance and erosion resistance etc.Prepare the property coating at steel pipe internal-surface, but than make tubing decrease cost with integral material.Present coating lined steel pipe preparation method is mainly containing of comparative maturity: cover structure method, centrifugal casting method, bimetal centrifugal casting, composite plate weld method, SHS centrifuging and static SHS method etc.SHS centrifuging good product performance wherein, cost is low, is widely used.But the method only is used for preparing ceramic-lined steel pipe at present, and be difficult to satisfy as gun tube etc. requires to prepare in the steel pipe the good while of high-temperature behavior again the requirement of fine flexible coating.
Summary of the invention
The object of the invention is to overcome the deficiency of ceramic-lined steel pipe coating poor toughness, provide a kind of SHS centrifuging to prepare the method for steel pipe internal-surface metallic coating.
The object of the present invention is achieved like this: a kind of SHS centrifuging prepares the method for steel pipe internal-surface metallic coating, and described method comprises following technological process: the in-built aluminum heat flux of steel pipe and alloy and non-alloying element, light rear by following formula generation self-propagating reaction:
Fe
2O
3+ alloy and non-alloying element+2Al=2Fe+ alloy and non-alloying element+Al
2O
3
Under the high temperature thermopositive reaction, the alloy of reaction product iron, aluminum oxide and adding and non-alloying element all are molten state, iron and alloy and the non-alloying element formation alloy that dissolves each other, (1400 ~ 1600r/min) rotations of driven by motor High-speed Steel Tube, under centrifugal action, in the steel pipe reaction product, the alloy that density is large forms metallurgical binding as transition layer and steel pipe, low-density aluminum oxide is distributed in steel pipe internal-surface, obtain ceramic-lined steel pipe after the cooling, after knocking out ceramic coating with iron hammer, obtain alloy coat at steel pipe internal-surface.
The invention has the beneficial effects as follows:
It is simple that the inventive method has technique, and raw material is cheap, and the coated material prescription is adjustable, the advantages such as excellent property.
Embodiment
The present invention relates to the method that a kind of SHS centrifuging prepares the steel pipe internal-surface metallic coating, described method comprises following technological process:
The in-built aluminum heat flux of steel pipe and alloy and non-alloying element, light rear by following formula generation self-propagating reaction:
Fe
2O
3+ alloy and non-alloying element+2Al=2Fe+ alloy and non-alloying element+Al
2O
3
Under the high temperature thermopositive reaction, the alloy of reaction product iron, aluminum oxide and adding and non-alloying element all are molten state.Iron and alloy and the non-alloying element formation alloy that dissolves each other.(1400 ~ 1600r/min) rotations of driven by motor High-speed Steel Tube, under centrifugal action, in the inner reaction tube product, the alloy that density is large forms metallurgical binding as transition layer and steel pipe, low-density aluminum oxide is distributed in steel pipe internal-surface, obtains ceramic-lined steel pipe after the cooling.After knocking out ceramic coating with iron hammer, obtain alloy coat at steel pipe internal-surface.By changing the composition of alloy, can obtain at steel pipe internal-surface the alloy coat of different performance, to satisfy the requirement of different use propertieies.For obtaining the graded alloy coating, can change the alloy ratio that adds in the aluminum heat flux, repeat above-mentioned centrifugal process.
Embodiment:
Fill aluminum heat flux and alloy and non-alloying element in the steel pipe, light rear by following formula generation self-propagating reaction:
Fe
2O
3+Gr+C+2Al=2Fe+Gr+C+Al
2O
3
The Fe of molten state and Gr and C dissolve each other to form and contain the Gr steel alloy in the steel pipe.(1400 ~ 1600r/min) rotations of driven by motor High-speed Steel Tube, under centrifugal action, in the steel pipe reaction product, the Gr steel alloy that contains that density is large forms metallurgical binding as transition layer and steel pipe, low-density aluminum oxide is distributed in steel pipe internal-surface, obtains ceramic-lined steel pipe after the cooling.After knocking out ceramic coating with iron hammer, obtain containing the Gr alloy coat at steel pipe internal-surface.
Claims (2)
1. a SHS centrifuging prepares the method for steel pipe internal-surface metallic coating, and it is characterized in that: described method comprises following technological process: the in-built aluminum heat flux of steel pipe and alloy and non-alloying element, after lighting by following formula generation self-propagating reaction:
Fe
2O
3+ alloy and non-alloying element+2Al=2Fe+ alloy and non-alloying element+Al
2O
3
Under the high temperature thermopositive reaction, the alloy of reaction product iron, aluminum oxide and adding and non-alloying element all are molten state, iron and alloy and the non-alloying element formation alloy that dissolves each other, the rotation of driven by motor High-speed Steel Tube, under centrifugal action, in the steel pipe reaction product, the alloy that density is large forms metallurgical binding as transition layer and steel pipe, low-density aluminum oxide is distributed in steel pipe internal-surface, obtain ceramic-lined steel pipe after the cooling, after knocking out ceramic coating with iron hammer, obtain alloy coat at steel pipe internal-surface.
2. a kind of SHS centrifuging according to claim 1 prepares the method for steel pipe internal-surface metallic coating, it is characterized in that: change the alloy ratio that adds in the aluminum heat flux, repeat above-mentioned centrifugal process, obtain the graded alloy coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104214759A CN102899663A (en) | 2012-10-30 | 2012-10-30 | Method of preparing metal coating on inner surface of steel pipe through SHS (Self-propagation High-temperature Synthesis) centrifugal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104214759A CN102899663A (en) | 2012-10-30 | 2012-10-30 | Method of preparing metal coating on inner surface of steel pipe through SHS (Self-propagation High-temperature Synthesis) centrifugal method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102899663A true CN102899663A (en) | 2013-01-30 |
Family
ID=47572143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104214759A Pending CN102899663A (en) | 2012-10-30 | 2012-10-30 | Method of preparing metal coating on inner surface of steel pipe through SHS (Self-propagation High-temperature Synthesis) centrifugal method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102899663A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046978A (en) * | 2014-05-29 | 2014-09-17 | 仲玥 | Method for preparing coating layer of steel pipe inner surface by SHS ultrasonic emulsification centrifugal method |
| CN104328429A (en) * | 2014-10-10 | 2015-02-04 | 中北大学 | Method and device for coating inner wall of steel pipe with inner lining ceramic by using electromagnetic force and mechanical pressure |
| CN105478786A (en) * | 2015-11-26 | 2016-04-13 | 中国石油天然气股份有限公司 | Processing technology of ceramic-plating pump cylinder of gas-proof oil well pump suitable for CO2 flooding |
| CN105834355A (en) * | 2016-06-12 | 2016-08-10 | 安徽工程大学 | Self-heating high-temperature coating |
| CN108746639A (en) * | 2018-05-30 | 2018-11-06 | 安徽工程大学 | A kind of the SHS metallurgical powder and its application method multiple for H13 steel pipe die repairs |
| CN108746638A (en) * | 2018-05-30 | 2018-11-06 | 安徽工程大学 | A kind of the SHS metallurgical powder and its application method multiple for 30CrMo steel pipe die repairs |
| CN113891959A (en) * | 2019-05-28 | 2022-01-04 | 先进材料解决方案私人有限公司 | Method for producing corrosion-resistant alloy-clad metal pipe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4363832A (en) * | 1980-01-16 | 1982-12-14 | Director-General Of The Agency Of Industrial Science & Technology | Method for providing ceramic lining to a hollow body by thermit reaction |
| CN1772710A (en) * | 2005-11-07 | 2006-05-17 | 北京科技大学 | Production process of composite steel pipe with cermet lining |
| CN101898246A (en) * | 2010-07-19 | 2010-12-01 | 北京科技大学 | Method for preparing SHS ceramic liner metal tube from iron-based wastes |
-
2012
- 2012-10-30 CN CN2012104214759A patent/CN102899663A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4363832A (en) * | 1980-01-16 | 1982-12-14 | Director-General Of The Agency Of Industrial Science & Technology | Method for providing ceramic lining to a hollow body by thermit reaction |
| CN1772710A (en) * | 2005-11-07 | 2006-05-17 | 北京科技大学 | Production process of composite steel pipe with cermet lining |
| CN101898246A (en) * | 2010-07-19 | 2010-12-01 | 北京科技大学 | Method for preparing SHS ceramic liner metal tube from iron-based wastes |
Non-Patent Citations (1)
| Title |
|---|
| 谭娜: "合金化自蔓延法制备陶瓷内衬复合钢管的研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046978A (en) * | 2014-05-29 | 2014-09-17 | 仲玥 | Method for preparing coating layer of steel pipe inner surface by SHS ultrasonic emulsification centrifugal method |
| CN104328429A (en) * | 2014-10-10 | 2015-02-04 | 中北大学 | Method and device for coating inner wall of steel pipe with inner lining ceramic by using electromagnetic force and mechanical pressure |
| CN104328429B (en) * | 2014-10-10 | 2016-06-22 | 中北大学 | Utilize the method and apparatus that electromagnetic force and mechanical pressure are coated with lined ceramics at steel pipe inner wall |
| CN105478786A (en) * | 2015-11-26 | 2016-04-13 | 中国石油天然气股份有限公司 | Processing technology of ceramic-plating pump cylinder of gas-proof oil well pump suitable for CO2 flooding |
| CN105834355A (en) * | 2016-06-12 | 2016-08-10 | 安徽工程大学 | Self-heating high-temperature coating |
| CN108746639A (en) * | 2018-05-30 | 2018-11-06 | 安徽工程大学 | A kind of the SHS metallurgical powder and its application method multiple for H13 steel pipe die repairs |
| CN108746638A (en) * | 2018-05-30 | 2018-11-06 | 安徽工程大学 | A kind of the SHS metallurgical powder and its application method multiple for 30CrMo steel pipe die repairs |
| CN113891959A (en) * | 2019-05-28 | 2022-01-04 | 先进材料解决方案私人有限公司 | Method for producing corrosion-resistant alloy-clad metal pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102899663A (en) | Method of preparing metal coating on inner surface of steel pipe through SHS (Self-propagation High-temperature Synthesis) centrifugal method | |
| CN104480462B (en) | Iron-based amorphous coating and laser preparation method thereof | |
| Guo et al. | Fabrication and characterization of Fe-based amorphous coatings prepared by high-velocity arc spraying | |
| CN105506618B (en) | The method for improving 42CrMo Steel Properties in laser melting coating | |
| CN102650028B (en) | Anti-agglomeration high-temperature resistant coating of furnace bottom roller | |
| CN101898241B (en) | Micro-nano-alloy bimetal composite material preparation technique and device thereof | |
| WO2013115887A3 (en) | Braze materials, brazing processes, and components with wear-resistant coatings formed thereby | |
| CN103103521B (en) | Preparation method of strengthened coating | |
| CN102851632A (en) | Method for preparing high-temperature wear-resistant coating on continuous casting crystallizer copper alloy plate surface | |
| CN102912340A (en) | Preparation method for high temperature impact wear resistant gradient composite material | |
| CN104646644A (en) | Double-liquid bi-metal composite pipe | |
| Wang et al. | Erosion behavior of arc sprayed FeTi/CrB MMC coating at elevated temperature | |
| CN103725945A (en) | High hardness tungsten carbide base wear-resistant coating material and preparation method thereof | |
| Škamat et al. | Pulsed laser processed NiCrFeCSiB/WC coating versus coatings obtained upon applying the conventional re-melting techniques: Evaluation of the microstructure, hardness and wear properties | |
| CN103014699A (en) | Static self-propagating method for preparing aluminum oxide ceramic coating on surfaces of steel plates | |
| GB201200686D0 (en) | Cemented carbide article and method for making same | |
| CN102829258A (en) | Method for producing ceramic-lined aluminum alloy pipe | |
| CN102228975B (en) | Method for manufacturing tubular or annular cobalt-based casting alloy resistant to abrasion, heat and corrosion | |
| Peng et al. | Preparation a nickel-aluminide bonded diamond tool by self-propagating high-temperature synthesis and strengthening by nickel-chromium-phosphorus alloy and copper | |
| CN103769576A (en) | Tungsten carbide-based wear-resistant coating material for preparing low-porosity coating and preparation method thereof | |
| Yang et al. | In-situ synthesis of TiC-Al2O3 coating on copper surface | |
| CN104893389A (en) | Wear-resistant and anti-corrosion outer coating of wrought iron railing | |
| CN101413096A (en) | Method for producing Ni-Al bimetal composite material solid core wire material | |
| CN107904536B (en) | Sealant-free molten zinc-aluminum corrosion resistant coating material and preparation method thereof | |
| CN102069316B (en) | Brazing filler metal for brazing Al-Mg-Zn magnesium alloy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130130 |