CN100457360C - Explosion welding method for composite material of aluminum-steel - Google Patents
Explosion welding method for composite material of aluminum-steel Download PDFInfo
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- CN100457360C CN100457360C CNB2006101526575A CN200610152657A CN100457360C CN 100457360 C CN100457360 C CN 100457360C CN B2006101526575 A CNB2006101526575 A CN B2006101526575A CN 200610152657 A CN200610152657 A CN 200610152657A CN 100457360 C CN100457360 C CN 100457360C
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Abstract
The present invention discloses an explosion welding method with aluminum-steel composite materials; a double-layer aluminum plate (4) is arranged on a basic level steel plate (6) through a support (5); a buffer protecting layer is paved on the surface of the double-layer aluminum plate; an explosive (2) is placed on the surface of the buffer protecting layer in the way of stage gradient style, so that per unit area explosive capacity is stepped gradually decreased from the center of the double-layer aluminum plate to two ends; a large acreage of the aluminum - steel composite materials is gained through the explosion welding method; per unit area explosive capacity is stepped gradually decreased from the center of the double-layer aluminum plate to two ends; the material of the basic level steel plate is a carbon steel or a low alloy steel; the material of the double-layer aluminum plate is a pure aluminum or an aluminum alloy with less or equal to 0.1 percent of Mg. The explosion welding method of the present invention has the advantages of high intensity and equal strength in composite bonding, no excessive melting, delaminating, or non-compounding phenomenon at an interface, being capable of making thick double-layer aluminum plate composite materials through once explosion welding, convenient in production and higher in efficiency.
Description
Technical field
The invention belongs to the metallic composite technical field, specially refer to a kind of aluminium---the explosion welding method of steel composite material.
Background technology
Explosive welding is the energy with the explosive exactly, plied timber high velocity impact parent metal under the effect of explosive charge load, the method for metal working that plied timber and parent metal are linked together strongly.And aluminium, aluminium alloy---steel composite material has wide application prospect in industries such as shipbuilding, metal smelt, track traffic, electric power.Yet because the fusing point of aluminium and aluminium alloy compound plate is low, acoustic impedance is less, when explosive welding, especially aluminium compound plate thickness thicker, when area is big again, have then that the blast composite quality is poor, the far-end bond strength is low, be prone to interface excess molten and layering and phenomenon such as not compound, cause product rejection.Therefore, common explosion welding method is difficult to produce high-quality aluminium---steel composite material.
Summary of the invention
The blast composite quality is poor, the far-end bond strength is low in order to solve, be prone to interface excess molten and layering and the spoon of asking such as not compound, the purpose of this invention is to provide a kind of aluminium---the explosion welding method of steel composite material, utilize that this method makes aluminium---steel composite material has good composite quality.
For achieving the above object, the present invention adopts following technical scheme:
The explosion welding method of described aluminium---steel composite material; to answer layer aluminium sheet places on basic unit's steel plate by supporter; at multiple layer surface of aluminum plate place mat buffer protection layer; explosive cloth is placed on the buffer protection laminar surface; adopt step gradient cloth prescription formula; make the unit are explosive payload begin to reduce successively in gradient, obtain large tracts of land aluminium---steel composite material by explosive welding to two ends from multiple layer aluminium sheet face center.
The explosion welding method of described aluminium---steel composite material, its unit are explosive payload and aluminium---the area of burst of steel composite material is directly proportional, and begins to reduce the unit are explosive payload in gradient successively to two ends from multiple layer aluminium sheet face center.
The explosion welding method of described aluminium---steel composite material, the material of its substrate are carbon steel or low-alloy steel, and the material of compound plate is fine aluminium or aluminium alloy.
Because adopt aforesaid technical scheme, the present invention has following superiority:
1, can realize the large tracts of land explosive welding, obtain high-quality large tracts of land aluminium---steel composite material;
2, can make aluminium---the steel composite material of thick multiple layer by an explosive welding, convenient production raised the efficiency;
3, compound interface bond strength height, and uniformity, interface do not have excess molten and layering and not compound problem.
Description of drawings
Fig. 1 is an aluminium---steel composite board explosion welding method exploded view.
Among the figure: 1, commercial electric detonator; 2, explosive; 3, buffer protection layer; 4, multiple layer aluminium sheet; 5, supporter; 6, basic unit's steel plate; 7, basis.
The specific embodiment
As shown in Figure 1: basic unit's steel plate (6) and multiple layer aluminium sheet (4) is clean with emery wheel or wheelabrator polishing; remove the oxide of metal surface; expose metallic luster; basic unit's steel plate (6) is placed on the sand basis (7); to answer a layer aluminium sheet (4) and place basic unit's steel plate (6) top by supporter (5); buffer protection layer (3) is sticked on multiple layer aluminium sheet (4) surface; explosive (2) cloth is placed on buffer protection layer (3) upper surface; explosive is an AN-TNT containing explosive; adopt step gradient cloth prescription formula; unit are explosive payload slave plate face center begins to reduce successively in gradient to two ends; detonate with commercial electric detonator (1), explosive welding obtains aluminium; aluminium alloy---steel composite material.
Make an aluminium, aluminium alloy---steel composite material; basic unit's steel plate trade mark is Q235B; be of a size of 40 * 1200 * 6000mm; multiple layer is a fine aluminium 1070, is of a size of 12 * 1250 * 6100mm, and the bearing height between multiple layer aluminium sheet and the basic unit's steel plate is 11mm; place mat buffer protection layer; use AN-TNT containing explosive, directly cloth is placed on the buffer protection laminar surface, and each 500mm scope unit are explosive payload of mind-set both sides is 4.0g/cm in plate
2, each 1500mm scope unit are explosive payload of plate two ends is 2.8g/cm
2, other area unit area explosive payload is 3.8～2.6g/cm
2Use industrial electric detonator initiation, explosive welding obtain aluminium---steel composite material has good composite quality, carrying out bond strength through sampling detects, the proof interface is in conjunction with firm, and fracture appears at aluminium side, interface shear strength 〉=80Mpa, no excess molten and layering and not compound phenomenon, the blast recombination rate is 100%.
As shown in Figure 1: basic unit's steel plate (6) and multiple layer aluminium sheet (4) is clean with emery wheel or wheelabrator polishing; remove the oxide of metal surface; expose metallic luster; basic unit's steel plate (6) is placed on the sand basis (7); to answer a layer aluminium sheet (4) and place basic unit's steel plate (6) top by supporter (5); buffer protection layer (3) is sticked on multiple layer aluminium sheet (4) surface; explosive (2) cloth is placed on buffer protection layer (3) upper surface; explosive is an AN-TNT containing explosive; adopt step gradient cloth prescription formula; unit are explosive payload slave plate face center begins to reduce successively in gradient to two ends, detonates with commercial electric detonator (1), and explosive welding obtains aluminium---steel composite material.
Make an aluminium, aluminium alloy---steel composite material; basic unit's steel plate trade mark is CCSB; be of a size of 30 * 1400 * 7000mm; multiple layer is aluminium alloy 3A21, is of a size of 8 * 1450 * 7100mm, and the bearing height between multiple layer aluminium alloy plate and the basic unit's steel plate is 8mm; place mat buffer protection layer; use AN-TNT containing explosive, directly cloth is placed on the buffer protection laminar surface, and each 500mm scope unit are explosive payload of mind-set both sides is 2.8g/cm in plate
2, each 1500mm scope unit are explosive payload of plate two ends is 2.0g/cm
2, other area unit area explosive payload is 2.2～2.5g/cm
2Use industrial electric detonator initiation, explosive welding obtain aluminium alloy---steel composite material has good composite quality, carrying out bond strength through sampling detects, the proof interface is in conjunction with firm, and fracture appears at aluminium alloy side, interface shear strength 〉=80Mpa, no excess molten and layering and not compound phenomenon, the blast recombination rate is 100%.
As shown in Figure 1: basic unit's steel plate (6) and multiple layer aluminium sheet (4) is clean with emery wheel or wheelabrator polishing; remove the oxide of metal surface; expose metallic luster; basic unit's steel plate (6) is placed on the sand basis (7); to answer a layer aluminium sheet (4) and place basic unit's steel plate (6) top by supporter (5); buffer protection layer (3) is sticked on multiple layer aluminium sheet (4) surface; explosive (2) cloth is placed on buffer protection layer (3) upper surface; explosive is an AN-TNT containing explosive; adopt step gradient cloth prescription formula; unit are explosive payload slave plate face center begins to reduce successively in gradient to two ends, detonates with commercial electric detonator (1), and explosive welding obtains aluminium---steel composite material.
Make an aluminium, aluminium alloy---composite material of steel and metal; basic unit's steel plate trade mark is 20R; be of a size of 25 * 1600 * 8000mm; multiple layer is an aluminium alloy 3003, is of a size of 6 * 1650 * 8100mm, and the bearing height between multiple layer aluminium alloy plate and the basic unit's steel plate is 5mm; place mat buffer protection layer; use AN-TNT containing explosive, directly cloth is placed on the buffer protection laminar surface, and each 500mm scope unit are explosive payload of mind-set both sides is 2.4g/cm in plate
2, each 2000mm scope unit are explosive payload of plate two ends is 1.6g/cm
2, other area unit area explosive payload is 1.8～2.2g/cm
2Use industrial electric detonator initiation, explosive welding obtain aluminium alloy---steel composite material has good composite quality, carrying out bond strength through sampling detects, the proof interface is in conjunction with firm, and fracture appears at aluminium alloy side, interface shear strength 〉=80Mpa, no excess molten and layering and not compound phenomenon, the blast recombination rate is 100%.
Can find out obviously that from above three embodiment its unit are explosive payload and aluminium, aluminium alloy---the area of burst of steel composite material is directly proportional, and begin to reduce the unit are explosive payload in gradient successively to two ends from multiple layer aluminium sheet face center.In addition, adopt this kind explosion welding method, the material of its substrate is carbon steel or low-alloy steel, and the material of compound plate is fine aluminium or aluminium alloy.
In the effect of multiple layer surface of aluminum plate place mat buffer protection layer is to reduce the explosive detonation ripple to act on pressure peak on the compound plate; improve the distributing homogeneity of detonation pressure on compound plate; to reduce the energy deposition and the reflecting tensile stress effect of basic compound plate collision welding process median surface; particularly when multiple layer is thicker; help improving the bond strength at interface, avoid occurring interface excess molten and layering and not compound phenomenon.
The effect of adopting step gradient cloth prescription formula is the stable and uniformity that keeps explosive detonation ripple explosion velocity in long propagation process, compound plate pressure during high speed inclined impact substrate under detonation wave drives is remained unchanged substantially, eliminate excess molten and layering and not compound phenomenon that the blast far-end is prone to, and guarantee the bond strength uniformity of compound interface.
Claims (2)
1, a kind of explosion welding method of aluminum-steel composite material; it is characterized in that: will answer a layer aluminium sheet (4) and place on basic unit's steel plate (6) by supporter (5); at multiple layer aluminium sheet (4) area mat buffer protection layer (3); explosive (2) cloth is placed on buffer protection layer (3) surface; adopt step gradient cloth prescription formula; make the unit are explosive payload begin to reduce successively in gradient, obtain the large tracts of land aluminum-steel composite material by explosive welding to two ends from multiple layer aluminium sheet (4) face center.
2, the explosion welding method of aluminum-steel composite material as claimed in claim 1 is characterized in that: the material of its substrate is carbon steel or low-alloy steel, and the material of compound plate is fine aluminium or aluminium alloy Mg content≤0.1%.
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| CNB2006101526575A CN100457360C (en) | 2006-09-27 | 2006-09-27 | Explosion welding method for composite material of aluminum-steel |
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| CNB2006101526575A CN100457360C (en) | 2006-09-27 | 2006-09-27 | Explosion welding method for composite material of aluminum-steel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706940A (en) * | 2014-01-16 | 2014-04-09 | 曾智恒 | Explosive welding method for copper-aluminum composite material |
| CN103737171A (en) * | 2014-01-16 | 2014-04-23 | 曾智恒 | Method for explosively welding copper-silver composite materials |
| CN103878536A (en) * | 2012-12-20 | 2014-06-25 | 北京有色金属研究总院 | Production method for layered wearproof lightweight steel-aluminum composite boards |
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| CN101352805B (en) * | 2008-09-12 | 2010-08-11 | 太原钢铁(集团)有限公司 | Method for producing stainless steel composite steel plate |
| CN102814586B (en) * | 2012-08-02 | 2014-08-13 | 洛阳双瑞金属复合材料有限公司 | Method for manufacturing large and thick rare precious metal explosion-clad steel plate |
| CN103448571B (en) * | 2013-08-20 | 2015-06-17 | 洛阳双瑞金属复合材料有限公司 | Method for manufacturing steel and aluminium composite conductor rail by explosive welding |
| CN103485656A (en) * | 2013-09-02 | 2014-01-01 | 德清科迪特安保设备有限公司 | Composite plate used for safe case |
| CN103753012B (en) * | 2014-01-16 | 2014-12-03 | 曾智恒 | Aluminum-aluminum composite material explosive welding method |
| CN103909339B (en) * | 2014-03-24 | 2016-01-20 | 陕西科技大学 | The explosive welding (EW) shaped device of titanium material and ordinary low-alloy steel compound end socket |
| 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 |
| CN104526150B (en) * | 2014-11-27 | 2016-09-14 | 洛阳双瑞金属复合材料有限公司 | A kind of explosion welding method improving aluminum-carbon steel composite material interface bond strength |
| CN106271017B (en) * | 2016-09-06 | 2018-09-14 | 广西大学 | A kind of explosion welding method of the pure Complex plate of aluminum and steel of aluminium alloy- |
| CN106825898B (en) * | 2017-01-24 | 2018-09-18 | 太原科技大学 | A kind of explosive welding processing method of stainless steel magnesium alloy composite board |
| CN109986192B (en) * | 2019-03-28 | 2022-04-08 | 湖北金兰特种金属材料有限公司 | Explosive welding method for aluminum steel joint |
| CN110936114B (en) * | 2019-12-20 | 2021-04-06 | 湖南方恒复合材料有限公司 | Aluminum steel composite fastening disc |
| CN110977134A (en) * | 2019-12-20 | 2020-04-10 | 湖南方恒复合材料有限公司 | Aluminum-steel composite fastener for aluminum plate |
| CN113118705A (en) * | 2020-01-14 | 2021-07-16 | 河南辰闰科技有限公司 | Method for preventing fracture of titanium steel bimetal composite plate by explosion welding at low temperature |
| CN112605519B (en) * | 2020-12-18 | 2024-03-05 | 湖北科技学院 | Explosion welding method based on aluminum and water reaction |
| CN113953641B (en) * | 2021-10-26 | 2022-08-02 | 中国船舶重工集团公司第七二五研究所 | Preparation method of sandwich type steel aluminum layered metal composite material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878536A (en) * | 2012-12-20 | 2014-06-25 | 北京有色金属研究总院 | Production method for layered wearproof lightweight steel-aluminum composite boards |
| CN103878536B (en) * | 2012-12-20 | 2016-02-24 | 北京有色金属研究总院 | A kind of preparation method of stratiform wearable lightweight Steel-aluminium composite board |
| CN103706940A (en) * | 2014-01-16 | 2014-04-09 | 曾智恒 | Explosive welding method for copper-aluminum composite material |
| CN103737171A (en) * | 2014-01-16 | 2014-04-23 | 曾智恒 | Method for explosively welding copper-silver composite materials |
| CN103706940B (en) * | 2014-01-16 | 2015-10-28 | 曾智恒 | A kind of explosion welding method of copper-aluminium composite material |
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| CN101152684A (en) | 2008-04-02 |
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Effective date of registration: 20210121 Address after: No. 169, Binhe South Road, Luolong District, Luoyang City, Henan Province Patentee after: NO.725 RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp. Address before: 471822 Shuang Xiang Road, Luo Xin Industrial Park, Luoyang, Henan, Xin'an County Patentee before: LUOYANG SHUANGRUI METAL COMPOSITE MATERIALS Co.,Ltd. |
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