CN100479934C - Steel aluminum-9 plumbago composite board casting, rolling and compositing method - Google Patents
Steel aluminum-9 plumbago composite board casting, rolling and compositing method Download PDFInfo
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- CN100479934C CN100479934C CNB2007101214120A CN200710121412A CN100479934C CN 100479934 C CN100479934 C CN 100479934C CN B2007101214120 A CNB2007101214120 A CN B2007101214120A CN 200710121412 A CN200710121412 A CN 200710121412A CN 100479934 C CN100479934 C CN 100479934C
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Abstract
The invention discloses a steel-aluminium-9 graphite clad plate casting and rolling composite method which belongs to the steel-aluminium and graphite clad plate semisolid casting and rolling composite research field. A semisolid casting and rolling composite clad plate formed by a 08Al steel plate of a thickness of one point two millimeter and an aluminium-9 graphite cladding of a thickness of one point three millimeter is casted and rolled compositely under conditions of a preheating temperature of five hundred and eight DEG C for the steel plate, an solidoid ratio of thirty point one percent for aluminium-9 graphite semisolid sizing agent, a diffusion time of twenty-seven seconds between a compound tip inner steel plate and an aluminium-9 graphite cladding; and then a steel-aluminium-9 graphite semisolid casting composite clad plate can be got with an interface shear strength of seventy-one point four MPa. Compared with sixty-nine MPa which is the interface shear strength of the clad plate of a CN1915547 patent, the invention has obvious improvement in terms of the interface shear strength.
Description
Technical field
The present invention relates to a kind of semisolid casting complex method of steel aluminium graphite composite plate.
Background technology
Publication number: CN1915547, denomination of invention: on " a kind of steel aluminium plumbago composite board casting, rolling and compositing method and device ", set forth the composite method for casting and rolling of steel aluminum-9 plumbago semisolid-state clad plate, promptly, adopt steel plate and aluminum-9 plumbago semi solid slurry to carry out the casting combined shaping, at first in compound pouring mouth, finish the diffusion between steel plate and the aluminium graphite semi-solid slurry, behind the formation compound interface, form the winding of steel aluminium graphite composite plate through cooling chamber cooling and rolling mill roll casting.This method can form the steel aluminum-9 plumbago composite plate that interface shear strength is 69MPa.
For the steel aluminum-9 plumbago semisolid-state clad plate that is used to prepare bearing shell, what mainly bear is shear action, its interface shear strength is the bigger the better, and above-mentioned CN1915547 patent does not have openly can obtain the composite method for casting and rolling of the peaked steel aluminum-9 plumbago semisolid-state clad plate of interface shear strength.
Summary of the invention
Technical problem to be solved by this invention is to obtain obtaining the casting-rolling method of the peaked steel aluminum-9 plumbago semisolid-state clad plate of interface shear strength.
The technical solution adopted for the present invention to solve the technical problems is: after the thick surperficial 08Al steel plate of handling through degreasing, rust cleaning, hacking, immersion plating of 1.2mm is preheating to 508 ℃, with solid rate be 30.1% aluminum-9 plumbago semi solid slurry, be 27s the diffusion time in compound pouring mouth between 08Al steel plate and the aluminum-9 plumbago coating, after the process cooling velocity is the cooling spray system cooling 4s of 25 ℃/s, be that 600 ℃/min, diameter are the rolling mill roll casting of 320mm through cooling velocity again, form the thick steel aluminum-9 plumbago semisolid casting composite plate of 2.5mm.
The invention has the beneficial effects as follows: utilize the present invention, can obtain interface shear strength is the steel aluminum-9 plumbago semisolid casting composite plate of 71.4MPa, and its interface shear strength is significantly improved than the 69MPa that CN1915547 patent obtains.
The specific embodiment
After the steel plate that the thick surface of 1.2mm is handled through degreasing, rust cleaning, hacking, immersion plating is preheating to different temperatures, the aluminum-9 plumbago semi solid slurry different with solid rate, in compound pouring mouth, carry out the diffusion of different time, after the process cooling velocity is the cooling spray system cooling 4s of 25 ℃/s, be that 600 ℃/min, diameter are the rolling mill roll casting of 320mm through cooling velocity again, form the thick steel aluminum-9 plumbago semisolid casting composite plate of 2.5mm.
Embodiment one
The steel plate preheat temperature is that 480 ℃, aluminum-9 plumbago semi solid slurry solid rate are 40%, be 30s the diffusion time in compound pouring mouth between steel plate and the aluminum-9 plumbago coating, and obtaining interface shear strength is the steel aluminum-9 plumbago composite plate of 58.7MPa.
Embodiment two
The steel plate preheat temperature is that 508 ℃, aluminum-9 plumbago semi solid slurry solid rate are 30.1%, be 27s the diffusion time in compound pouring mouth between steel plate and the aluminum-9 plumbago coating, and obtaining interface shear strength is the steel aluminum-9 plumbago composite plate of 71.4MPa.
Embodiment three
The steel plate preheat temperature is that 520 ℃, aluminum-9 plumbago semi solid slurry solid rate are 35%, be 25s the diffusion time in compound pouring mouth between steel plate and the aluminum-9 plumbago coating, and obtaining interface shear strength is the steel aluminum-9 plumbago composite plate of 70.1MPa.
Embodiment four
The steel plate preheat temperature is that 540 ℃, aluminum-9 plumbago semi solid slurry solid rate are 25%, be 18s the diffusion time in compound pouring mouth between steel plate and the aluminum-9 plumbago coating, and obtaining interface shear strength is the steel aluminum-9 plumbago composite plate of 65.3MPa.
As seen, to the semisolid casting composite plate that constitutes by thick 08Al steel plate of 1.2mm and the thick aluminum-9 plumbago coating of 1.3mm, when the steel plate preheat temperature is that 508 ℃, aluminum-9 plumbago semi solid slurry solid rate are 30.1%, diffusion time in compound pouring mouth between steel plate and the aluminum-9 plumbago coating is when being 27s, can obtain the maximum 71.4MPa of interface shear strength.
Claims (1)
1. steel aluminum-9 plumbago composite board casting, rolling and compositing method, it is characterized in that, after the 08A1 steel plate that the thick surface of 1.2mm is handled through degreasing, rust cleaning, hacking, immersion plating is preheating to 508 ℃, with solid rate be 30.1% aluminum-9 plumbago semi solid slurry, be 27s the diffusion time in compound pouring mouth between 08A1 steel plate and the aluminum-9 plumbago coating, after the process cooling velocity is the cooling spray system cooling 4s of 25 ℃/s, be that 600 ℃/min, diameter are the rolling mill roll casting of 320mm through cooling velocity again, form the thick steel aluminum-9 plumbago semisolid casting composite plate of 2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101214120A CN100479934C (en) | 2007-09-05 | 2007-09-05 | Steel aluminum-9 plumbago composite board casting, rolling and compositing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101214120A CN100479934C (en) | 2007-09-05 | 2007-09-05 | Steel aluminum-9 plumbago composite board casting, rolling and compositing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101116867A CN101116867A (en) | 2008-02-06 |
| CN100479934C true CN100479934C (en) | 2009-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101214120A Expired - Fee Related CN100479934C (en) | 2007-09-05 | 2007-09-05 | Steel aluminum-9 plumbago composite board casting, rolling and compositing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN100479934C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581260A (en) * | 2012-04-05 | 2012-07-18 | 大连裕龙高速钢有限公司 | Method for casting bimetallic wear-resistant bucket teeth |
| CN104544431A (en) * | 2014-12-26 | 2015-04-29 | 山东明仁福瑞达制药股份有限公司 | Grifolafrondosa and cordyceps militaris drink |
| CN112593167A (en) * | 2020-12-31 | 2021-04-02 | 洛阳铜一金属材料发展有限公司 | Aluminum composite high-strength steel wire plate and preparation method thereof |
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2007
- 2007-09-05 CN CNB2007101214120A patent/CN100479934C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101116867A (en) | 2008-02-06 |
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Granted publication date: 20090422 Termination date: 20110905 |