CN108176715A - Embedded composite plate blank-making method - Google Patents
Embedded composite plate blank-making method Download PDFInfo
- Publication number
- CN108176715A CN108176715A CN201711470396.6A CN201711470396A CN108176715A CN 108176715 A CN108176715 A CN 108176715A CN 201711470396 A CN201711470396 A CN 201711470396A CN 108176715 A CN108176715 A CN 108176715A
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- Prior art keywords
- blank
- composite plate
- making method
- embedded composite
- plate blank
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B47/00—Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Laminated Bodies (AREA)
Abstract
A kind of embedded composite plate blank-making method, step：1) it pre-processes:Two pieces of identical substrates are chosen, the boss of mutual cooperation is milled out respectively in substrate surrounding, rectangular channel is processed as among substrate and specific shape is processed into its bottom, to carrying out chamfered on the inside of rectangular channel；2) compound base：After cleaning treatment, in a vacuum chamber, to molding surface even application interlayer and it is dried；Pouring liquid 316L answers material until equal with cavity plate upper surface；After cooled and solidified, multiple material blank surface is milled；In multiple material surface even application interleaving agent, two pieces of substrates are fitted into assembling relatively after the completion and soldering is carried out to girth seam；3) Rolling compund：Blank feeding milling train is rolled.The present invention can not only prevent substrate and compound plate carburetting in the operation of rolling, avoid generating sliding, occur being layered or slight crack, influence of rolled effect, and increase rolling contact area, make interface bond strength bigger, and be also suitable for mass production.
Description
Technical field
The present invention relates to a kind of composite material blank-making methods.
Background technology
With the fast development of contemporary science and technology, industry-by-industry is in order to produce the product of high quality, low cost, to material
The performance of material constantly proposes deeper requirement.Wherein, the use of sheet metal all occupies very big ratio in industry-by-industry
Weight, however, single sheet metal cannot meet the requirement of industry, this so that studying composite board becomes currently
One important research topic.
EH40 high-strength ship plates have higher stress intensity, good low-temperature impact toughness and extension property, together
When again have certain resistance to corrosion.316L stainless steels have outstanding corrosion resistance, creep resistance, processing hardening and
Heat-resisting quantity.Since metallic composite technology can play the respective advantage of group element material, the allocation optimum of material is realized, that
, EH40 high-strength ship plates and 316L stainless steels are processed into a kind of novel composite board, make it have higher stress
Intensity and corrosion resistance, in ship, chemical industry and high halide ion environmental industry have broad application prospects.
Nowadays the making of composite metal plate, most of methods using Direct Rolling, although Direct Rolling has cost
It is low, it is efficient the advantages that, but a series of problems, such as due to technical equipment, made composite plate out usually has interface cohesion
Phenomena such as intensity is not high, rolling direction compound interface uneven thickness, influences composite plate performance.
The patent of 105149350 B of Publication No. CN is authorized,《Rolling prepares the production of big ripple faying face composite metal plate
Technique》, using big ripple faying face composite metal plate technique, although adding somewhat to the contact surface of substrate and compound plate
Product, but it only increases contact area in one direction, increases the mobility of metal instead in direction normal thereto, no
Conducive to metal composite.The patent of 103736728 B of Publication No. CN is authorized,《A kind of method of rolled metal complex plate strip》, adopt
With ripple field of conjugate action composite substrate and compound plate, cross sectional shape is arc-shaped, ellipse, sinusoidal waveform, triangle, it is trapezoidal or
Rectangle, such mode can also generate stress concentration phenomenon other than having the shortcomings that possessed by a upper patent, influence composite plate and roll
Performance processed.
In conclusion nowadays embedded composite plate assembly key is to increase substrate and compound plate contact area and contact
Frictional force between surface reduces or avoids stress concentration phenomenon, improves composite plate rolling performance.
Invention content
The phenomenon that can effectively improving rolling direction compound interface uneven thickness the purpose of the present invention is to provide one kind, increases
Strong―binding interface intensity and the embedded composite plate blank-making method for promoting composite plate overall performance.
The object of the invention is achieved through the following technical solutions, specific as follows：
1) it pre-processes：Two pieces of identical substrates are chosen first, mill out the boss of mutual cooperation respectively in two substrates surrounding, most
Good width is 10mm, depth 5mm, is processed as rectangular channel among substrate, and the back gauge substrate edges of best rectangular channel are about 20mm,
Preferably to carrying out chamfered on the inside of rectangular channel, i.e., to bevelling whole on the inside of rectangular channel, gradient 1:1~1:10；Preferably will
Rectangle trench bottom is processed into specific shape, as equally distributed hills shape boss or groove.
2) composite plate base：Two substrates surface is cleaned, in vacuum chamber, to rectangle trench bottom even application interlayer and is carried out
It is dried, the interlayer composition is niobium powder, and thickness range is 0.3~0.8mm；Pouring liquid 316L stainless steel double materials, directly
It is extremely equal with rectangular channel upper surface, after solidification to be cooled, mill multiple material blank surface；To two, multiple material surface is uniform in vacuum chamber
Spray interleaving agent, interleaving agent Mg, MgSO4With H2The mixture of O, and their mass ratio is 4:13:5, after the completion by two pieces
The relatively chimeric assembling of blank, forms mechanical be fitted into, and carry out soldering to girth seam；The attachment of i.e. two blocks blanks
By the way of chimeric+welding, the chimeric mode refers to the relatively chimeric assembling of two blocks of blanks, and the welding manner refers to pair
Blank girth seam carries out soldering.
3) Rolling compund：Through after the assay was approved, blank feeding milling train is rolled.
The present invention has the following advantages that compared with prior art：Two substrates are processed into designated shape, contact surface forms machine
Tool is fitted into, and soldering is carried out at girth seam, and such form can make connection more close, avoids generating sliding, occur
Layering or slight crack, influence of rolled effect, and increase rolling contact area make interface bond strength bigger, while can be with
Prevent substrate and compound plate carburetting in the operation of rolling；Bottom portion of groove shape uses equally distributed hills shape boss or groove, can
Increase contact area, increase frictional force between base material and multiple material, reduce stress concentration phenomenon, be easy to the combination of substrate and multiple material；It is right
Whole chamfered is carried out on the inside of groove, the bubble generated in the multiple material of cast can be reduced.
Description of the drawings
Fig. 1 is the top substrate layer schematic diagram of the present invention；
Fig. 2 is the underlying substrate schematic diagram of the present invention；
Fig. 3 is the airless spraying Mezzanine Map of the present invention；
Fig. 4 is the substrate of the present invention and multiple material assembly schematic diagram；
Material upper surface schematic diagram is answered in the milling that Fig. 5 is the present invention
Fig. 6 is the embedded assembly schematic diagram of the two pieces of substrates and multiple material of the present invention.
In figure, 1-EH40 substrates；2-316L answers material；3- interlayers；4- interleaving agents；5- weld seams；6- interlayer nozzles；7- vacuum
Room；8- milling cutters.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Rolled steel/stainless steel clad plate, material EH40+316L, substrate size are 30 × 900 × 1200mm, and compound plate is
Liquid 316L melts.First with the rectangular channel of milling machine one 10 × 838 × 1138mm of milling on substrate 1, in rectangle trench bottom
Equally distributed hills shape boss is processed into, is highly 5mm, rectangular channel side is processed by a diameter of 6mm, spacing 15mm
Gradient is 1:10 chamfering distinguishes one boss of milling, width 10mm, depth 5mm, in this, as lower floor's base around substrate
Plate, as shown in Figure 2.The another substrate for taking an equal size, equally distributed hills shape boss is processed into rectangle trench bottom, height
For 5mm, a diameter of 6mm, spacing 15mm, it is 1 that rectangular channel side is processed into gradient:10 chamfering, away from substrate both ends
Each one boss of milling at 10mm, width 10mm, depth 5mm, in this, as top substrate layer, as shown in Figure 1.Check two pieces of substrates
Surface ensures the smooth no warpage of finished surface.Cleaning pretreatment is carried out to upper and lower base plate, cleans detritus and surface and oil contaminant.Close
It closes in the vacuum chamber 7 that vacuum degree is 0.01Pa, to upper and lower base plate rectangle trench bottom 6 even application interlayer 3 of interlayer nozzle, the folder
Composition of layer selects pure niobium powder, and coating thickness is about 0.5mm, and is dried, as shown in Figure 3.Respectively into upper and lower base plate
Liquid 316L stainless steel doubles material 2 is injected, injecting height is, until it is equal with rectangular channel upper surface, cooling treatment is carried out later.Such as
Shown in Fig. 4.After solidification to be cooled, multiple material blank surface is milled using milling cutter 8, working depth 1mm, as shown in Figure 5.
The interior material surface even application interleaving agent 4 multiple to two of vacuum chamber, interleaving agent Mg, MgSO4With H2The mixture of O, and their matter
Amount is than being 4:13:5, two blocks of blanks chimeric be assembled to form relatively is mechanically fitted into, and girth seam is welded after the completion
Processing, weld seam 5 are as shown in Figure 6.Through after the assay was approved, blank feeding milling train is rolled.By blank heating to 900 ± 50
DEG C, into roughing mills, first passage depresses 15mm, later into mm finishing mill unit, is rolled down to 12mm.Surrounding excess metal is cut
It removes, obtains the three-layer composite board of steel/stainless steel of two pieces of 12 × 1800 × 3000mm.
Claims (5)
1. a kind of embedded composite plate blank-making method, it is characterised in that：Base process includes：
1) it pre-processes：Two pieces of identical substrates are chosen, mutually chimeric boss is milled out respectively in two substrates surrounding, adds among substrate
Work is rectangular channel；
2) composite plate base：Two substrates surface is cleaned, in vacuum chamber, to rectangle trench bottom even application interlayer and is dried
Processing, the interlayer composition be niobium powder, thickness range 0.3-0.8mm；Pouring liquid 316L stainless steel double materials, until and square
Shape slot upper surface is equal, after solidification to be cooled, mills multiple material blank surface；In vacuum chamber to two multiple material surface even application every
From agent, after the completion by the relatively chimeric assembling of two blocks of blanks and to girth seam progress soldering；
3) Rolling compund：Through after the assay was approved, blank feeding milling train is rolled.
2. a kind of embedded composite plate blank-making method according to claim 1, it is characterised in that：Rectangle trench bottom is processed into
Specific shape, the shape are equally distributed hills shape boss or groove.
3. a kind of embedded composite plate blank-making method according to claim 1, it is characterised in that：To whole on the inside of rectangular channel
Bevelling, gradient 1:1~1:10.
4. a kind of embedded composite plate blank-making method according to claim 1, it is characterised in that：The side of connecting firmly of two blocks of blanks
Formula is by the way of chimeric+welding, and the chimeric mode refers to the relatively chimeric assembling of two blocks of blanks, and the welding manner refers to
Soldering is carried out to blank girth seam.
5. a kind of embedded composite plate blank-making method according to claim 1, it is characterised in that：Interleaving agent is Mg, MgSO4
With H2The mixture of O, and their mass ratio is 4:13:5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711470396.6A CN108176715A (en) | 2017-12-29 | 2017-12-29 | Embedded composite plate blank-making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711470396.6A CN108176715A (en) | 2017-12-29 | 2017-12-29 | Embedded composite plate blank-making method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108176715A true CN108176715A (en) | 2018-06-19 |
Family
ID=62548859
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711470396.6A Pending CN108176715A (en) | 2017-12-29 | 2017-12-29 | Embedded composite plate blank-making method |
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| CN (1) | CN108176715A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681972A (en) * | 2019-09-30 | 2020-01-14 | 鞍钢股份有限公司 | Vacuum electron beam welding method for extra-thick plate blank |
| CN110681973A (en) * | 2019-09-30 | 2020-01-14 | 鞍钢股份有限公司 | Vacuum electron beam seal welding method for composite blank for rolling composite plate |
| CN110788135A (en) * | 2019-09-30 | 2020-02-14 | 鞍钢股份有限公司 | Composite blank manufacturing method for rolling titanium-steel composite plate |
| CN112275799A (en) * | 2020-11-11 | 2021-01-29 | 燕山大学 | Steel-aluminum bimetal rolling compounding method with embedded groove interlocking |
| CN114273421A (en) * | 2021-12-22 | 2022-04-05 | 安徽工业大学 | Method for preparing carbon steel-stainless steel composite board for lining board in micro-oxidation atmosphere |
| CN114682627A (en) * | 2022-04-06 | 2022-07-01 | 安徽工业大学 | Rolling process of metal composite plate |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681972A (en) * | 2019-09-30 | 2020-01-14 | 鞍钢股份有限公司 | Vacuum electron beam welding method for extra-thick plate blank |
| CN110681973A (en) * | 2019-09-30 | 2020-01-14 | 鞍钢股份有限公司 | Vacuum electron beam seal welding method for composite blank for rolling composite plate |
| CN110788135A (en) * | 2019-09-30 | 2020-02-14 | 鞍钢股份有限公司 | Composite blank manufacturing method for rolling titanium-steel composite plate |
| CN110681972B (en) * | 2019-09-30 | 2021-08-20 | 鞍钢股份有限公司 | Vacuum electron beam welding method for extra-thick plate blank |
| CN110681973B (en) * | 2019-09-30 | 2021-08-20 | 鞍钢股份有限公司 | Vacuum electron beam seal welding method for composite blank for rolling composite plate |
| CN112275799A (en) * | 2020-11-11 | 2021-01-29 | 燕山大学 | Steel-aluminum bimetal rolling compounding method with embedded groove interlocking |
| CN112275799B (en) * | 2020-11-11 | 2021-08-27 | 燕山大学 | Steel-aluminum bimetal rolling compounding method with embedded groove interlocking |
| CN114273421A (en) * | 2021-12-22 | 2022-04-05 | 安徽工业大学 | Method for preparing carbon steel-stainless steel composite board for lining board in micro-oxidation atmosphere |
| CN114273421B (en) * | 2021-12-22 | 2024-04-19 | 安徽工业大学 | Method for preparing carbon steel-stainless steel composite board for lining board in micro-oxidation atmosphere |
| CN114682627A (en) * | 2022-04-06 | 2022-07-01 | 安徽工业大学 | Rolling process of metal composite plate |
| CN114682627B (en) * | 2022-04-06 | 2023-09-01 | 安徽工业大学 | Rolling technology of metal composite plate |
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Application publication date: 20180619 |
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