CN101372065B - Method for producing copper alloy plate composite steel plate - Google Patents
Method for producing copper alloy plate composite steel plate Download PDFInfo
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- CN101372065B CN101372065B CN 200810079502 CN200810079502A CN101372065B CN 101372065 B CN101372065 B CN 101372065B CN 200810079502 CN200810079502 CN 200810079502 CN 200810079502 A CN200810079502 A CN 200810079502A CN 101372065 B CN101372065 B CN 101372065B
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Abstract
The invention provides a method used for manufacturing a copper alloy composite steel plate; the substrate material is carbon steel plate and the composite plate is copper alloy plate; the manufacture method comprises the manufacture steps as follows: I matching: copper alloy composite plate and normal carbon steel plate which comply with the national standard and usage technical requirement according to the detection are combined in pairs according to the requirement of final products; II: stress troughs of 8-10mm deep and 10-12mm wide are arranged at the circumference of the copper alloy composite plate; III: grinding the surface: oxides and sundries on the explosive combination surface of the substrate and the composite plate are removed; subsequently, a protection layer is uniformly coated on the contact surface of composite plate and dynamite; IV explosive welding: the composite plate and the substrate are supported by copper fulcrum or aluminium fulcrum and welded together by virtue of explosive welding. The combination rate of the manufacture method of the copper alloy plate and the composite steel is more than 99%, with the hardness of HB130-150, thus completely meeting the requirement of copper motor plate on the hardness.
Description
Technical field
The present invention relates to a kind of manufacture method of clad steel plate of copper alloy plate, specifically is with explosive welding copper-bearing alloy plate, the particularly welding manufacture method of chrome copper steel clad steel plate.
Background technology
The copper alloy clad steel plate mainly is made of two parts, and wherein a part adopts copper-bearing alloy sheet material such as Cr05Cu chromium-bronze plate for the multiple material of explosive welding (EW); Another part is the explosive welding (EW) base material, adopts normal carbon steel plate such as Q235 general steel plate.Welding manufacture method now commonly used is welding method, ply rolling method, and the copper alloy clad steel plate of welding is difficult to guarantee reliable evenly welding, cupric contain between golden plate and the carbon steel substrate to combine rate low, in conjunction with rate only 65～70%.
Summary of the invention
In order to overcome the above-mentioned deficiency of the manufacture method that has copper alloy plate composite steel plate now, the invention provides a kind of manufacture method in conjunction with the high copper alloy plate composite steel plate of rate.
The main production flow process of the manufacture method of this chrome copper steel composite board is as follows:
The manufacture method of this copper alloy steel composite plate is to the requirement of raw material.
Substrate, compound plate and specification requirement thereof
1 substrate: for working the carbon steel that bears structural strength in clad steel cold-reduced sheet and the steel band, baseplate material is carbon steel plate such as Q215, Q235 and the Q255 carbon steel plate in the standard GB 700-1988.
2 compound plates
The compound plate material is the copper-bearing alloy plate, mainly contains chromium-copper steel alloy plate in the standard GB 2045 such as the copper coins such as QSn6.5-0.1, QA17 among Cr05Cu chromium-copper steel alloy plate or the standard GB/T2040.
The manufacture method of this copper alloy steel composite plate comprises following sequential steps:
I, coupling
The copper-bearing alloy compound plate and the normal carbon steel plate that check are met national standard and operation technique requirement, by the final finished requirement copper-bearing alloy compound plate and carbon steel plate are grouping, a copper-bearing alloy compound plate and a common straightcarbon steel substrate are formed one group, make the length and wide length and the big 100mm ± 10mm of wide difference and 50mm ± 5mm than carbon steel plate of the copper-bearing alloy compound plate of selection.
The stress groove is opened in II, copper-bearing alloy compound plate surrounding
Thickness specification 12mm or when surpassing the compound plate explosive welding of 12mm, according to the planar dimension of substrate, explosive welding stress groove is opened in copper-bearing alloy compound plate faying face surrounding, requires stress groove depth 8～10mm, width 10～12mm.When opening the stress groove, require the stress slot pitch along its length from the nearest compound plate limit 20mm ± 5mm of portion, on one side the stress slot pitch from the nearest compound plate limit 60mm ± 10mm of portion.Width both sides stress slot pitch is from nearest compound plate limit each 15mm ± 5mm of portion.And in the corresponding orientation of the obvious mark of upper surface with substrate.
III, polishing surface
Remove oxide and foreign material (oxide, iron rust) on substrate and the compound plate blast faying face, after the polishing, the faying face surface roughness value of substrate, compound plate is not more than R
a6.3um.Evenly smear layer protective layer then on compound plate and explosive contact-making surface, the thickness of protective layer is generally 1mm, and the material of protective layer can be with 3
#Calcium-base grease, waterglass, pitch or other grease.
IV, explosive welding
Compound plate and substrate support by copper or aluminium matter fulcrum during explosive welding, and the fulcrum height is generally 12mm～18mm.Placing the medicine frame that prevents that explosive is scattered on the periphery of compound plate, explosive is laid on the compound plate, lights ignition.Behind the explosive charge, substrate and compound plate be by high velocity impact, explosive welding together, it is in conjunction with belonging to combination between atom.Utilize explosion velocity to be stabilized between 2000m/s～2300m/s, density is 0.5g/cm
3～0.8g/cm
3And evenly, the explosive of prevented from caking welding.It is low-detonation velocity anfo explosive that explosive is selected in explosive welding for use.
V, harmless ultrasonic examination detect
For guaranteeing that the composite plate combination interface is realized reliably, metallurgical welding uniformly,, utilize supersonic detector to detect a flaw to of the specification requirement of copper alloy steel composite plate according to JB4730-2005.
VI, according to the requirement of GB13238, clad steel plate is tested.
The clad steel plate of VII after will detecting a flaw on the nine roller level(l)ing machines carries out finishing by GB13238.
In order to reduce the influence of detonation rarefaction wave that explosive charge produces to the composite plate surrounding, in the compound plate surrounding three-ply board is installed, the medicine frame is installed on the three-ply board, strengthen the medicine frame size of powder charge like this, medicine frame inside dimensions than compound plate than long 100mm ± 20mm, than the wide 100mm ± 20mm of compound plate.
In the manufacture method step IV of above-mentioned copper alloy plate composite steel plate explosive welding, in order to improve the solder bond rate of periphery, in medicine frame surrounding 50mm ± 10mm scope, increase progressively the cloth explosive with gradient, in surrounding 50mm ± 10mm scope, form high outside and low outside explosive layer.Here said gradient is the thickness according to compound plate, and explosive thickness is evenly increased explosive charge in cloth medicine surrounding 50mm ± 10mm (from the inboard calculation of medicine frame) scope.
Rule of thumb, the increase coefficient Q=L of explosive (0.6/m～1.0/m).
M is a long measure, and L is that the inner peripheral with the medicine frame is the boundary, and inwardly the position of 50mm ± 10mm is counted, and points to the length of medicine edge direction.
The copper alloy steel composite plate that adopts explosive welding to produce be applied to copper platform battery lead plate guaranteed battery lead plate rigidity at 2 under the electrode pressure 3000Kg of 70mm, do not deform and displacement, metallurgical welding region welding is more than 99% in conjunction with rate reliably, evenly between copper platform battery lead plate two dissimilar metals.Every performance indications are not lower than the requirement of the preceding copper coin of explosive welding, and hardness reaches HB130～150, satisfies the requirement of the desired hardness of copper platform motor plate greater than HB110 fully.
Description of drawings
Fig. 1 is a copper alloy steel Explosive Welding method schematic diagram.
Among the above-mentioned figure:
1, basis 2, substrate 3, pole 4, compound plate 5, protective layer
6, explosive 7, boundary line 8, detonator 9, medicine frame 10, three-ply board
The specific embodiment
Describe the specific embodiment of the manufacture method of this chrome copper steel composite board in detail below in conjunction with embodiment and accompanying drawing thereof, but the specific embodiment of the manufacture method of this chrome copper steel composite board is not limited to following embodiment.
Embodiment one
Substrate, compound plate and specification requirement thereof
1, substrate: be the Q235 in the standard GB 700
The thick 45mm of the wide 550mm of long 4050mm
2, compound plate is the Cr0.5Cu chromium-copper steel alloy plate in the standard GB 2045.
The thick 17mm of the wide 600mm of long 4100mm
The embodiment of the manufacture method of this chrome copper steel composite board is a following sequential steps:
I, coupling
Check is met chrome copper plate Cr05Cu and the ordinary carbon steel plate Q235B that national standard and operation technique require, by the final finished requirement to being grouping.
The stress groove is opened in II, chrome copper plate surrounding
According to the planar dimension of substrate, open explosive welding stress groove in chrome copper compound plate faying face surrounding, stress groove depth 8mm, wide 10mm.When opening the stress groove, require on one side the stress slot pitch along its length from the nearest compound plate limit 20mm of portion, on one side the stress slot pitch from the nearest compound plate limit 60mm of portion.Width both sides stress slot pitch is from nearest compound plate limit each 15mm of portion.And in the corresponding orientation of the obvious mark of upper surface with substrate.
III, polishing surface
With oxide and foreign material (oxide, iron rust) on emery wheel or wheelabrator removing substrate and the compound plate blast faying face, the surface roughness of substrate, compound plate faying face reaches R
a6.3um.Even smearing thickness is 3 of 1mm on chrome copper plate and explosive contact-making surface then
#Calcium-base grease carries out surface protection.
IV, explosive welding
At first adopt river sand to put explosive welding in order during explosive welding with basic 1, see Fig. 1, complete clean out behind the substrate 2 faying face on the substrate 2 booty, the pole 3 of making high 16mm with copper sheet, compound plate 4 is placed on the pole 3, and compound plate 4 is 16mm with substrate 2 gaps.For preventing that the compound plate face from being burnt, at the upper surface of compound plate 4, smearing thickness is 3 of 1mm
#Calcium-base grease is layered on buffer protection layer 5 upper surface to explosive 6 as buffer protection layer 5.Lighting detonator 8 ignites.Behind the explosive charge, substrate 2 passes through high velocity impact with compound plate 4, and explosive welding together.Utilize explosion velocity to be stabilized between 2000m/s～2300m/s, density is 0.5～0.8g/cm
3And evenly, the explosive of prevented from caking welding.It is low-detonation velocity anfo explosive that explosive is selected in explosive welding for use.
Present embodiment is installed with three-ply board 10 in compound plate 4 surroundings, and medicine frame 9 is installed on the three-ply board 10, strengthens medicine frame 9 sizes of powder charge like this, and medicine frame 9 inside dimensions than long 100mm, wide 100mm, are 94Kg/m from compound plate 4 center unit are explosive charges than compound plate 4
2In accordance with regulations the surrounding is expanded and added the thickness cloth medicine that increases progressively with gradient in the scope, (it is inboard from medicine frame 9 that expansion adds scope, inwardly 60mm is for expanding the boundary line 7 that adds scope, 7 count from the boundary line, to the direction of medicine frame 9, progressively increase explosive charge) be the border to the inboard of medicine frame 9, unit are explosive charge 100Kg/m
2, adopt limit portion's method of ignition (the detonating capsule position is 60mm apart from compound plate 4 limit portion stress separation).
V, harmless ultrasonic examination detect
To of the specification requirement of chrome copper steel composite board, utilize supersonic detector to detect a flaw according to JB4730-2005.Find to remove the center of detonating, combination interface does not have the transition fusing, layering reaches not fixation phenomenon, and blast reaches 99.99% in conjunction with rate.
VI, according to the requirement of GB13238, clad steel plate is tested.
VII carries out finishing at the clad steel plate that will control on the nine roller level(l)ing machines after hindering by GB13238.
Carry out interface bond strength through sampling and detect proof, the interface is in conjunction with firm, and interface shear strength reaches 260MPa.The performance that present embodiment is made the chrome copper steel composite board of (welding) sees Table 1
Table 1
| Project | Unit | Index | Project | Unit | Index |
| Hot strength | Mpa | 435 | Brinell hardness | HB | 130～ 140 |
| Yield strength | Mpa | 290 | Surface irregularity | Mm/ is elongated | 1.6 |
| Percentage elongation | ％ | 29.5 | In conjunction with rate | ％ | 99.90 |
| Shear strength | Mpa | 260 | Surface roughness | μm | 3.2 |
Embodiment two
The difference of present embodiment and embodiment one is that the material of substrate is the Q235 carbon steel plate among the GB700, and the material of compound plate is the QA17 bell metal plate among the GB/T2043, and step of manufacturing is identical with embodiment's one.Blast reaches 99.90% in conjunction with rate.
Embodiment three
The difference of present embodiment and embodiment one is that the material of substrate is the Q255 carbon steel plate among the GB700, the material of compound plate is the QSn6.5-0.1 bronze sheet among the GB/T2040, the medicine frame directly is placed on the compound plate, and step of manufacturing is identical with embodiment's one.Blast reaches 99.40% in conjunction with rate.
Claims (7)
1. the manufacture method of a copper alloy plate composite steel plate, it is that baseplate material is the carbon steel plate in the standard GB 700-1988 to the requirement of compound plate and substrate, compound plate is the copper-bearing alloy plate;
It comprises following sequential steps:
I, coupling
The copper-bearing alloy compound plate and the normal carbon steel plate that check are met national standard and operation technique requirement, by the final finished requirement copper-bearing alloy compound plate and carbon steel plate are grouping, a copper-bearing alloy compound plate and a common straightcarbon steel substrate are formed one group, make the length and wide length and the big 100mm ± 10mm of wide difference and 50mm ± 5mm than carbon steel plate of the copper-bearing alloy compound plate of selection;
The stress groove is opened in II, copper-bearing alloy compound plate surrounding
Thickness specification 12mm or when surpassing the compound plate explosive welding of 12mm, according to the planar dimension of substrate, explosive welding stress groove is opened in copper-bearing alloy compound plate faying face surrounding, requires stress groove depth 8～10mm, width 10～12mm;
III, polishing surface
Remove oxide and foreign material on substrate and the compound plate blast faying face, after the polishing, the faying face surface roughness value of substrate, compound plate is not more than R
a6.3um; On compound plate and explosive contact-making surface, evenly smear layer protective layer then;
IV, explosive welding
Compound plate and substrate support by copper or aluminium matter fulcrum during explosive welding, are placing the medicine frame that prevents that explosive is scattered on the periphery of compound plate, and explosive is laid on the compound plate, lights ignition; Utilize explosion velocity to be stabilized between 2000m/s～2300m/s, density is 0.5g/cm
3～0.8g/cm
3And uniform low-detonation velocity anfo explosive.
2. the manufacture method of copper alloy plate composite steel plate according to claim 1 is characterized in that: in the compound plate surrounding three-ply board is installed, the medicine frame is installed on the three-ply board, medicine frame inside dimensions than compound plate than long 100mm ± 20mm, than the wide 100mm ± 20mm of compound plate.
3. the manufacture method of copper alloy plate composite steel plate according to claim 1 and 2, it is characterized in that: in step IV explosive welding, in the manufacture method step IV of above-mentioned copper alloy plate composite steel plate explosive welding, in order to improve the solder bond rate of periphery, in medicine frame surrounding 50mm ± 10mm scope, increase progressively the cloth explosive with gradient, in surrounding 50mm ± 10mm scope, form high outside and low outside explosive layer, and the increase coefficient Q=L of explosive (0.6/m～1.0/m)
M is a long measure, and L is that the inner peripheral with the medicine frame is the boundary, and inwardly the position of 50mm ± 10mm is counted, and points to the length of medicine edge direction.
4. the manufacture method of copper alloy plate composite steel plate according to claim 1 and 2, it is characterized in that: when Step II is opened the stress groove, require the stress slot pitch from the nearest compound plate limit 20mm ± 5mm of portion along its length, on one side the stress slot pitch from the nearest compound plate limit 60mm ± 10mm of portion; Width both sides stress slot pitch is from nearest compound plate limit each 15mm ± 5mm of portion.
5. the manufacture method of copper alloy plate composite steel plate according to claim 3, it is characterized in that: when Step II is opened the stress groove, require the stress slot pitch from the nearest compound plate limit 20mm ± 5mm of portion along its length, on one side the stress slot pitch from the nearest compound plate limit 60mm ± 10mm of portion; Width both sides stress slot pitch is from nearest compound plate limit each 15mm ± 5mm of portion.
6. the manufacture method of copper alloy plate composite steel plate according to claim 4, it is characterized in that: after explosive welding, also to of the specification requirement of copper alloy steel composite plate according to JB4730-2005, utilize supersonic detector to detect a flaw, and the clad steel plate after will detecting a flaw on the level(l)ing machine carry out finishing by GB13238.
7. the manufacture method of copper alloy plate composite steel plate according to claim 5, it is characterized in that: after explosive welding, also to of the specification requirement of copper alloy steel composite plate according to JB4730-2005, utilize supersonic detector to detect a flaw, and the clad steel plate after will detecting a flaw on the level(l)ing machine carry out finishing by GB13238.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810079502 CN101372065B (en) | 2008-09-30 | 2008-09-30 | Method for producing copper alloy plate composite steel plate |
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|---|---|---|---|
| CN 200810079502 CN101372065B (en) | 2008-09-30 | 2008-09-30 | Method for producing copper alloy plate composite steel plate |
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| CN101372065A CN101372065A (en) | 2009-02-25 |
| CN101372065B true CN101372065B (en) | 2010-11-10 |
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| CN102248372B (en) * | 2011-06-22 | 2013-05-29 | 河南盛荣特种钢业有限公司 | Method for producing single-sided composite stainless steel cold rolling base stock |
| CN102814587A (en) * | 2012-08-08 | 2012-12-12 | 太原钢铁(集团)有限公司 | Method for manufacturing stainless steel clad plate |
| CN102873452B (en) * | 2012-09-10 | 2014-11-26 | 太原钢铁(集团)有限公司 | Explosive cladding method for stainless steel clad plate |
| CN102976874A (en) * | 2012-11-05 | 2013-03-20 | 黄山三邦金属复合材料有限公司 | Diluent for explosive welding explosive, and explosive welding technology thereof |
| CN103056508B (en) * | 2013-01-18 | 2014-11-12 | 中国人民解放军理工大学野战工程学院 | Explosive welding method for bimetal composite boards with special quality requirements |
| CN104827164B (en) * | 2014-02-11 | 2017-01-25 | 南京润邦金属复合材料有限公司 | Large-area large-thickness TU2 copper/steel explosion composite material and defect repairing method |
| CN104096962B (en) * | 2014-06-17 | 2016-03-09 | 王晖 | A kind of explosion welding method of composite metal plate of super thick cladding plate |
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| CN107553060A (en) * | 2017-08-24 | 2018-01-09 | 洛阳双瑞金属复合材料有限公司 | A kind of manufacture method of copper rustless steel double-metal composite contact matrix material |
| CN108269959A (en) * | 2018-01-30 | 2018-07-10 | 郑州宇光复合材料有限公司 | A kind of electric automobile power battery copper aluminium attachment device |
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