CN1083493C - Technology for manufacturing iron- or steel-base composite material - Google Patents
Technology for manufacturing iron- or steel-base composite material Download PDFInfo
- Publication number
- CN1083493C CN1083493C CN99116514A CN99116514A CN1083493C CN 1083493 C CN1083493 C CN 1083493C CN 99116514 A CN99116514 A CN 99116514A CN 99116514 A CN99116514 A CN 99116514A CN 1083493 C CN1083493 C CN 1083493C
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- iron
- steel
- composite material
- base
- metal material
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Abstract
The present invention relates to a producing technological method for an iron-base or steel-base composite material prepared by adding a reinforcing phase to a metal material using iron or steel as a base. The iron-base or steel-base composite material is prepared by the following steps: firstly, fusing the particle reinforcing phase, such as SiC, Al2O3, TiB2 and the like with a molten iron alloy within a range from 1000 DEG C to 1500 DEG C to prepare an intermediate compound; pulverizing the intermediate compound; adding the pulverized intermediate compound in the molten metal material using the iron or steel as the base by a suspension casting method to tightly mix the intermediate compound and the metal material of the base.
Description
An iron (steel) based composite material is a metal based composite material. The addition of the additive phase into the metal matrix is used for improving the strength, elastic modulus, hardness and wear resistance of the material, reducing the thermal expansion coefficient and improving the high-temperature performance and fatigue resistance, and is a main production process method for producing the metal matrix composite at present. These production processes can be divided into four major categories: 1. liquid phase processes (including liquid metal particle stirring and melt infiltration); 2. solid phase processes (powder metallurgy); 3. liquid-solid two-phase processes (including rheocasting and spray deposition); 4. in situ particle reaction method. The production process methods are successfully applied to the non-ferrous alloys, but the problems of serious floating phenomenon caused by large density deviation, uneven distribution of particle reinforced phases in a matrix, high production cost and the like exist in the application of the iron (steel) based composite material.
The invention aims to provide a production process method of a particle reinforced iron (steel) -based composite material, and the iron (steel) -based composite material prepared by the method has the advantages of tight combination of a particle reinforced phase and a matrix material, excellent performance and lower price.
The invention relates to a process method of the iron (steel) -based composite material, which is prepared by adding a reinforcing phase into a metal material taking iron or steel as a matrix and is characterized in that: firstly, fusing particle reinforced phases such as SiC, Al2O3, TiB2 and the like with melted ferroalloy to prepare an intermediate complex; and crushing the intermediate composite body, and combining the crushed intermediate composite body with a molten metal material taking iron or steel as a matrix by adopting a suspension casting method to prepare the iron or steel-based composite material. The production process flow is as follows:
the production process method provided by the invention well solves the serious floating phenomenon caused by too large density deviation of the particle reinforced phase and the matrix metal, and simultaneously solves the difficult problem that the particle reinforced phase is not uniformly distributed in the matrix because the iron alloy is used as a coating material to strengthen the combination between the reinforced phase and the matrix. The process method is not limited by working conditions and is easy to operate, and the production cost is greatly reduced.
The present invention will be further described with reference to the following examples.
Firstly, forming 1 kg of iron-based material into a molten pool, then adding 2 kg of ferroalloy, adding 2 kg of SiC after the ferroalloy is melted, stirring, and then casting into an ingot to prepare an intermediate complex; and crushing the intermediate complex, adding the crushed intermediate complex into the melted iron-based material, and combining the intermediate complex with the iron-based material by adopting a suspension casting method to prepare the SiC particle reinforced iron-based composite material. The detection shows that: compared with the original iron-based material, the composite material has the advantages that the hardness is obviously improved, the wear resistance is greatly enhanced, and a 'bull-eye-shaped' combination appears in a metallographic structure, which shows that the particle reinforced phase is tightly combined with the iron-based material.
The present invention is not limited to the above-described embodiments.
Claims (1)
1. A production process method of iron or steel-based composite material is characterized by adding reinforcing phase into metal material using iron or steel as base body, and is characterized by that: firstly, fusing particle reinforced phases such as SiC, AL2O3, TiB2 and the like with melted ferroalloy to prepare an intermediate complex; and crushing the intermediate composite body, and combining the crushed intermediate composite body with a molten metal material taking iron or steel as a matrix by adopting a suspension casting method to prepare the iron or steel-based composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99116514A CN1083493C (en) | 1999-06-11 | 1999-06-11 | Technology for manufacturing iron- or steel-base composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99116514A CN1083493C (en) | 1999-06-11 | 1999-06-11 | Technology for manufacturing iron- or steel-base composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1236822A CN1236822A (en) | 1999-12-01 |
| CN1083493C true CN1083493C (en) | 2002-04-24 |
Family
ID=5279319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99116514A Expired - Fee Related CN1083493C (en) | 1999-06-11 | 1999-06-11 | Technology for manufacturing iron- or steel-base composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1083493C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100418651C (en) * | 2006-10-18 | 2008-09-17 | 合肥工业大学 | Composite SiC and its making process |
| CN105803357A (en) * | 2016-05-04 | 2016-07-27 | 芜湖市爱德运输机械有限公司 | Corrosion-resistant belt conveyor |
| CN109266977A (en) * | 2018-10-16 | 2019-01-25 | 马鞍山旭阳机械有限公司 | A kind of oil fracturing pump forging process method |
| CN115229384A (en) * | 2022-06-28 | 2022-10-25 | 成都凯天电子股份有限公司 | Silver-based composite solder and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1122838A (en) * | 1995-09-21 | 1996-05-22 | 左其福 | Prodn. method of melt-casting carbide steel |
-
1999
- 1999-06-11 CN CN99116514A patent/CN1083493C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1122838A (en) * | 1995-09-21 | 1996-05-22 | 左其福 | Prodn. method of melt-casting carbide steel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1236822A (en) | 1999-12-01 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |