CN102011071B - Uniform post-processing method of steel BFe 30 cupronickel semi-solid composite board - Google Patents
Uniform post-processing method of steel BFe 30 cupronickel semi-solid composite board Download PDFInfo
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- CN102011071B CN102011071B CN2010106140356A CN201010614035A CN102011071B CN 102011071 B CN102011071 B CN 102011071B CN 2010106140356 A CN2010106140356 A CN 2010106140356A CN 201010614035 A CN201010614035 A CN 201010614035A CN 102011071 B CN102011071 B CN 102011071B
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Abstract
The present invention discloses a uniform post-processing method of BFe 30 cupronickel semi-solid composite board, belonging to the researching field of interface shearing strength room temperature rolling post-process of BFe 30 cupronickel semi-solid composite board; the method of the present invention carries through twice rolling processes with a total down rate at 1.5% and a down rate proportion of a first pass and a second pass at 1:3-2:1 for the BFe 30 cupronickel semi-solid composite board composed of a 08A1 steel plate 1.2mm in thickness and a BFe 30 cupronickel covering layer 1.5mm in thickness under room temperature and on a precise rolling mill; the difference value of transverse interface shearing strength of composite board can be reduced within 2.1MPa.
Description
Technical field
The present invention relates to a kind of rolling post-treating method of interface shear strength room temperature of steel BFe30 copper-nickel alloy semisolid-state clad plate.
Background technology
Publication number: CN101117696A, denomination of invention: on " a kind of post-treating method of steel-back aluminium-based semisolid-state clad plate ", set forth the rolling post-treating method of room temperature of steel-back aluminium-based semisolid-state clad plate; Promptly; At room temperature, on finishing rolling mill, to steel-back aluminium-based semisolid-state clad plate; Be rolled aftertreatment; Utilize the difference of aluminium base coating that rolling processing produces and steel backing deflection to remedy the difference of aluminium base coating and steel backing shrinkage in the composite solidification process of cooling, and then reduce composition board interface additional stress, the composition board interface shear strength is improved.This method technology is simple, composition board interface shear strength value improves bigger; But; Because this method is carrying out there is aluminium base coating deflection non-uniform phenomenon when one-pass roller is handled; Therefore cause the uneven distribution of composition board interface shear strength usually, can be in composition board interface shear strength difference transversely up to 2.6～3.2MPa.
Steel BFe30 copper-nickel alloy semisolid-state clad plate is to adopt semisolid-state clad plate that solid-state steel plate and BFe30 copper-nickel alloy semi solid slurry are composited, that be made up of thick 08Al steel plate of 1.2mm and the thick BFe30 copper-nickel alloy coating of 1.5mm; When adopting the CN101117696A patented process to be rolled aftertreatment; At ideal draft comparatively is under 1.5% condition; Because BFe30 copper-nickel alloy coating is at composition board deflection skewness transversely, cause the difference between the composition board interface shear strength transversely can be up to 4.2MPa.
For steel BFe30 copper-nickel alloy semisolid-state clad plate, the difference of transverse interface shearing resistance is more little, and work reliability is high more, and range of application is wide more, so the difference of steel BFe30 copper-nickel alloy semisolid-state clad plate transverse interface shearing resistance is more little good more.
Summary of the invention
Technical problem to be solved by this invention is; Overcome the deficiency of the existing rolling post-treating method of steel BFe30 copper-nickel alloy semisolid-state clad plate room temperature " transverse interface shearing resistance difference is big "; A kind of post-treating method that can improve steel BFe30 copper-nickel alloy semisolid-state clad plate transverse interface shearing resistance distributing homogeneity is provided, further dwindles the difference of composition board transverse interface shearing resistance.
The technical solution adopted for the present invention to solve the technical problems is: to steel BFe30 copper-nickel alloy semisolid-state clad plate; At room temperature; On finishing rolling mill, carry out total draft and be percentage pass reduction ratio 1.5%, first passage and second passage and be 1: 3～2: 1 the rolling processing of two passages.
The invention has the beneficial effects as follows: for the rolling processing of composition board room temperature; Because roller is jumped, the existence of the unequal factor of matrix; Transversely produce nonaffine deformation inevitably in composition board, cause the difference of composition board transverse interface shearing resistance, and draft is big more; Distortion transversely is inhomogeneous more, and the difference of composition board transverse interface shearing resistance is big more.If nonaffine deformation transversely with the rolling generation of single pass heavy reduction rate; Decompose in the middle of the little draft distortion of multi-pass; Then can one-pass roller be handled the big-difference of the transverse deformation amount that produces; Be decomposed into the little difference of the transverse deformation amount of multi-pass, and pass through the optimum combination of each percentage pass reduction, can also further coordinate the difference of transverse deformation amount.The present invention utilizes the optimum combination of the percentage pass reduction of first passage and second passage further to reduce and coordinated the difference of the transverse deformation amount of the rolling processing of room temperature, thereby has reached the purpose that reduces composition board transverse interface shearing resistance difference.Utilize the present invention; Steel BFe30 copper-nickel alloy semisolid-state clad plate is carried out the rolling processing of room temperature; Can composition board transverse interface shearing resistance difference be reduced in the 2.1MPa, reduce by 50% at least than adopting the CN101117696A patented process to carry out the 4.2MPa that the rolling processing of room temperature obtains.
Embodiment
A kind of even post-treating method of steel BFe30 copper-nickel alloy semisolid-state clad plate; At room temperature; On finishing rolling mill; To the steel BFe30 copper-nickel alloy semisolid-state clad plate that constitutes by thick 08Al steel plate of 1.2mm and the thick BFe30 copper-nickel alloy coating of 1.5mm; Carry out two passages, total draft and be 1.5% rolling aftertreatment, the big-difference of the BFe30 copper-nickel alloy coating transverse deformation amount that the rolling aftertreatment of single pass heavy reduction rate is produced, decomposing and coordinating is the little difference of the BFe30 copper-nickel alloy coating transverse deformation amount that produces of the rolling aftertreatment of the little draft of two passages; Thereby further reduced composition board transverse interface shearing resistance difference, improved the distributing homogeneity of steel BFe30 copper-nickel alloy semisolid-state clad plate interface shear strength.
Embodiment one, to steel BFe30 copper-nickel alloy semisolid-state clad plate, the percentage pass reduction ratio of carrying out first passage and second passage is 1: 3 the rolling aftertreatment of two passage room temperatures, is 2.1MPa in composition board interface shear strength difference transversely.
Embodiment two, to steel BFe30 copper-nickel alloy semisolid-state clad plate, the percentage pass reduction ratio of carrying out first passage and second passage is 1: 2 the rolling aftertreatment of two passage room temperatures, is 1.9MPa in composition board interface shear strength difference transversely.
Embodiment three, to steel BFe30 copper-nickel alloy semisolid-state clad plate, the percentage pass reduction ratio of carrying out first passage and second passage is 1: 1 the rolling aftertreatment of two passage room temperatures, is 1.8MPa in composition board interface shear strength difference transversely.
Embodiment four, to steel BFe30 copper-nickel alloy semisolid-state clad plate, the percentage pass reduction ratio of carrying out first passage and second passage is 3: 2 the rolling aftertreatment of two passage room temperatures, is 1.8MPa in composition board interface shear strength difference transversely.
Embodiment five, to steel BFe30 copper-nickel alloy semisolid-state clad plate, the percentage pass reduction ratio of carrying out first passage and second passage is 2: 1 the rolling aftertreatment of two passage room temperatures, is 2.0MPa in composition board interface shear strength difference transversely.
It is thus clear that; To the steel BFe30 copper-nickel alloy semisolid-state clad plate that constitutes by thick 08Al steel plate of 1.2mm and the thick BFe30 copper-nickel alloy coating of 1.5mm; The percentage pass reduction ratio of carrying out total draft and be 1.5%, first passage and second passage is 1: 3～2: 1 the rolling aftertreatment of two passage room temperatures, and composition board interface shear strength difference transversely is reduced in the 2.1MPa.
Claims (1)
1. the even post-treating method of a steel BFe30 copper-nickel alloy semisolid-state clad plate; At room temperature; On finishing rolling mill, the steel BFe30 copper-nickel alloy semisolid-state clad plate that is made up of thick 08Al steel plate of 1.2mm and the thick BFe30 copper-nickel alloy coating of 1.5mm is rolled aftertreatment, it is characterized in that; To steel BFe30 copper-nickel alloy semisolid-state clad plate, carry out total draft and be percentage pass reduction ratio 1.5%, first passage and second passage and be 1: 3～2: 1 the rolling processing of two passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106140356A CN102011071B (en) | 2010-12-30 | 2010-12-30 | Uniform post-processing method of steel BFe 30 cupronickel semi-solid composite board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106140356A CN102011071B (en) | 2010-12-30 | 2010-12-30 | Uniform post-processing method of steel BFe 30 cupronickel semi-solid composite board |
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| Publication Number | Publication Date |
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| CN102011071A CN102011071A (en) | 2011-04-13 |
| CN102011071B true CN102011071B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010106140356A Expired - Fee Related CN102011071B (en) | 2010-12-30 | 2010-12-30 | Uniform post-processing method of steel BFe 30 cupronickel semi-solid composite board |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117696A (en) * | 2007-09-05 | 2008-02-06 | 北京交通大学 | Post-treating method for steel-back aluminium-based semisolid-state clad plate |
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2010
- 2010-12-30 CN CN2010106140356A patent/CN102011071B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117696A (en) * | 2007-09-05 | 2008-02-06 | 北京交通大学 | Post-treating method for steel-back aluminium-based semisolid-state clad plate |
Non-Patent Citations (1)
| Title |
|---|
| 宋任伯.半固态钢铁材料轧制产品的力学特性.《金属学报》.2002,第38卷(第2期),153-156. * |
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| CN102011071A (en) | 2011-04-13 |
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Granted publication date: 20120523 Termination date: 20121230 |