CN100392116C - Method for post-processing composite board of steel aluminum 7 of graphite solid liquid phases - Google Patents
Method for post-processing composite board of steel aluminum 7 of graphite solid liquid phases Download PDFInfo
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- CN100392116C CN100392116C CNB2006101129104A CN200610112910A CN100392116C CN 100392116 C CN100392116 C CN 100392116C CN B2006101129104 A CNB2006101129104 A CN B2006101129104A CN 200610112910 A CN200610112910 A CN 200610112910A CN 100392116 C CN100392116 C CN 100392116C
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Abstract
This invention discloses a post-treatment method for steel aluminum-7-graphite solid-liquid composite boards, more specifically, room temperature rolling post-treatment of interfacial shear strength of steel aluminum-7-graphite solid-liquid composite boards. The method performs rolling treatment with a pressing flat down quantity of 2.63% on steel aluminum-7-graphite solid-liquid composite boards, and the shear strength of the boards can be increased to 77.8 MPa, obviously higher than 75 MPa as disclosed in patent CN1710114A.
Description
Technical field
The present invention relates to a kind of rolling post-treating method of interface shear strength room temperature of steel aluminum-7 plumbago solid-liquid-phase composite plate.
Background technology
Publication number: CN1710114A, denomination of invention: on " a kind of post-treating method of steel-back aluminium-base solid-liquid-phase composite plate ", set forth the rolling post-treating method of the little draft of room temperature of steel Al-7 graphite solid-liquid-phase composite plate, promptly, at room temperature, on finishing rolling mill, to steel Al-7 graphite solid-liquid-phase composite plate, be rolled aftertreatment, utilize the difference of Al-7 graphite coating that rolling processing produces and steel plate deformed amount to remedy the difference of Al-7 graphite coating and steel plate shrinkage in the composite solidification process of cooling, and then reduce composition board interface additional stress, improve the composition board interface shear strength.This method is can make the interface shear strength of steel Al-7 graphite solid-liquid-phase composite plate bring up to 75MPa by 70MPa at 1.5% o'clock at draft.
For the steel Al-7 graphite solid-liquid-phase composite plate that is used to prepare bearing shell, what mainly bear is shearing action, and interface shear strength is big more, and the work reliability of bearing shell is high more, so its interface shear strength is the bigger the better.
Summary of the invention
Technical problem to be solved by this invention is, obtains obtaining the rolling post-treating method of room temperature of the steel aluminum-7 plumbago solid-liquid-phase composite plate of high interface shear strength.
The technical solution adopted for the present invention to solve the technical problems is: to the steel aluminum-7 plumbago solid-liquid-phase composite plate, at room temperature, on finishing rolling mill, carry out draft (draft is that the difference of composition board ingoing ga(u)ge and outgoing gauge is again divided by ingoing ga(u)ge) and be 2.63% rolling aftertreatment, reduce composition board interface additional stress, improve the composition board interface shear strength.
The invention has the beneficial effects as follows: utilize the present invention, the steel aluminum-7 plumbago solid-liquid-phase composite plate is carried out the rolling processing of room temperature, maximum compound interface shearing resistance is brought up to 77.8MPa by 70MPa, and the 75MPa that obtains than CN1710114A patent is significantly improved.
Embodiment
At room temperature, on finishing rolling mill,, carry out draft and be 2.48～2.88% the rolling processing of room temperature to the solid-liquid-phase composite plate that constitutes by thick 08Al steel plate of 1.2mm and the thick aluminum-7 plumbago coating of 1.3mm, reduce composition board interface additional stress, improve the composition board interface shear strength.
Embodiment one
At draft is 2.48% o'clock, and the interface shear strength that obtains the steel aluminum-7 plumbago solid-liquid-phase composite plate is 76.5MPa.
Embodiment two
At draft is 2.57% o'clock, and the interface shear strength that obtains the steel aluminum-7 plumbago solid-liquid-phase composite plate is 77.2MPa.
Embodiment three
At draft is 2.63% o'clock, and the interface shear strength that obtains the steel aluminum-7 plumbago solid-liquid-phase composite plate is 77.8MPa.
Embodiment four
At draft is 2.75% o'clock, and the interface shear strength that obtains the steel aluminum-7 plumbago solid-liquid-phase composite plate is 77.1MPa.
Embodiment five
At draft is 2.88% o'clock, and the interface shear strength that obtains the steel aluminum-7 plumbago solid-liquid-phase composite plate is 76.4MPa.
As seen,, at room temperature, on finishing rolling mill, carry out draft and be 2.63% rolling aftertreatment, can obtain the maximum value 77.8MPa of interface shear strength the steel aluminum-7 plumbago solid-liquid-phase composite plate.
Claims (1)
1. the post-treating method of a steel aluminum-7 plumbago solid-liquid-phase composite plate is characterized in that, at room temperature, on finishing rolling mill, to the steel aluminum-7 plumbago solid-liquid-phase composite plate, carries out draft and be 2.63% rolling processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101129104A CN100392116C (en) | 2006-09-12 | 2006-09-12 | Method for post-processing composite board of steel aluminum 7 of graphite solid liquid phases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101129104A CN100392116C (en) | 2006-09-12 | 2006-09-12 | Method for post-processing composite board of steel aluminum 7 of graphite solid liquid phases |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1916192A CN1916192A (en) | 2007-02-21 |
| CN100392116C true CN100392116C (en) | 2008-06-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101129104A Expired - Fee Related CN100392116C (en) | 2006-09-12 | 2006-09-12 | Method for post-processing composite board of steel aluminum 7 of graphite solid liquid phases |
Country Status (1)
| Country | Link |
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| CN (1) | CN100392116C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010959B (en) * | 2010-12-30 | 2012-06-20 | 北京交通大学 | Homogenizing post-treatment method of steel aluminum-9-boron nitride semi-solid composite board |
| CN102010960B (en) * | 2010-12-30 | 2012-05-30 | 北京交通大学 | Homogenizing post-treatment method of steel aluminum-7-graphite solid-liquid composite board |
| CN102010945B (en) * | 2010-12-30 | 2012-05-30 | 北京交通大学 | Uniform post-treatment method for steel-aluminum 5 graphite semi-solid composite plate |
| CN102010947B (en) * | 2010-12-30 | 2012-07-04 | 北京交通大学 | Homogenization postprocessing method of steel zinc semisolid composite board |
| CN102021285B (en) * | 2010-12-30 | 2012-06-20 | 北京交通大学 | Uniform post processing method for steel and aluminum 7 graphite semi-solid composite plate |
| CN102010954B (en) * | 2010-12-30 | 2012-06-20 | 北京交通大学 | Uniform aftertreatment method of steel and zinc 3 graphite solid-liquid phase composite plate |
| CN102010950B (en) * | 2010-12-30 | 2012-06-27 | 北京交通大学 | Uniform aftertreatment method for steel zinc solid-liquid phase composite board |
-
2006
- 2006-09-12 CN CNB2006101129104A patent/CN100392116C/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| 钢-铝固液相浸镀复合板的轧制处理. 张鹏，杜云慧，任学平，康永林，刘汉武，崔建忠，巴立民.北京科技大学学报，第21卷第2期. 1999 |
| 钢-铝固液相浸镀复合板的轧制处理. 张鹏，杜云慧，任学平，康永林，刘汉武，崔建忠，巴立民.北京科技大学学报，第21卷第2期. 1999 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1916192A (en) | 2007-02-21 |
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Granted publication date: 20080604 Termination date: 20100912 |