WO2015109425A1 - 一种轧制金属复合板带的方法 - Google Patents

一种轧制金属复合板带的方法 Download PDF

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Publication number
WO2015109425A1
WO2015109425A1 PCT/CN2014/000272 CN2014000272W WO2015109425A1 WO 2015109425 A1 WO2015109425 A1 WO 2015109425A1 CN 2014000272 W CN2014000272 W CN 2014000272W WO 2015109425 A1 WO2015109425 A1 WO 2015109425A1
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Prior art keywords
composite
rolling
plate
metal
compound
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PCT/CN2014/000272
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English (en)
French (fr)
Inventor
黄庆学
朱琳
李玉贵
周存龙
马立峰
赵广辉
张将
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太原科技大学
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Publication of WO2015109425A1 publication Critical patent/WO2015109425A1/zh
Priority to US15/167,413 priority Critical patent/US11241725B2/en

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Classifications

    • 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
    • B21B1/22—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 plates, strips, bands or sheets of indefinite length
    • 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
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
    • B21D13/04—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H8/00—Rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects, e.g. checkered sheets
    • B21H8/005—Embossing sheets or rolls

Definitions

  • the invention belongs to the technical field of preparation of metal composite strips, and particularly relates to a method for metal-plate and composite corrugated composite surface meshing rolled metal composite strip.
  • the metal composite strip refers to a strip of another metal on one layer of metal to achieve the effect of saving resources and reducing costs without reducing the use effect (preservative performance, mechanical strength, etc.).
  • Metal composite technology can give full play to the advantages of the constituent materials, realize the optimal configuration of each component material resources, save precious metal materials, and achieve performance requirements that cannot be met by a single metal.
  • the main application is in anti-corrosion, pressure vessel manufacturing, electric construction, Petrochemical, pharmaceutical, light industry, automotive and other industries.
  • the composite method usually has an explosive composite method, a metal pressure processing composite method.
  • the explosive composite method utilizes the high energy generated during the explosion to closely weld the dissimilar metal plates together, and can realize the recombination between the metals with large difference in performance, and the interface bonding force is strong, but the composite plate produced by the method has a small size. The shape of the plate is poor, and the yield is low. Moreover, due to the impact of high energy of explosion, the metal structure is affected and the environment is seriously polluted.
  • the pressure processing composite method means that the dissimilar metal is subjected to the deformation force during the plastic deformation process, so that the contact surface forms a large number of bonding points close to the atomic thickness distance, and then diffuses to form a stable metallurgical bond.
  • the blanking process and the interface compounding mechanism are the main factors that restrict the quality and yield of the composite metal strip.
  • the most studied in the pressure processing method is rolling compounding, including hot rolling, cold rolling, non-isothermal rolling, and asynchronous rolling. However, the rolling composite energy is lower, the mechanical properties of dissimilar metal materials are different, and the bonding interface is more complicated than the explosive composite.
  • the composite slab bonding surface is easy to generate bubbles and inclusion cracks, and the selection of brazing composite slab brazing flux For different metals
  • the interface combination has a great influence and is easy to crack. Therefore, the combination of heterogeneous metal interface is stable, the quality precision is high, the variety range is wide, and the compounding efficiency is high, which is an urgent problem to be solved. Summary of the invention
  • the object of the present invention is to solve the technical problem of poor bonding performance of the composite interface in the production of the composite panel, and to provide a method for the corrugated composite surface meshing rolled metal composite strip.
  • the present invention has been achieved by the following technical solutions.
  • a method for rolling a metal composite strip includes the following steps:
  • the composite sheet having the integral corrugated composite sheet rolled by rough rolling is rolled and rolled to a desired thickness by a composite finishing mill to obtain a composite sheet strip.
  • the composite plate is a piece
  • the deformation resistance of the composite plate is greater than the deformation resistance of the substrate
  • the composite rough rolling mill is a two-roll mill with a tooth surface and a smooth surface, and the tooth surface roll In contact with the composite sheet, the smooth surface rolls are in contact with the substrate and are rolled.
  • the plurality of composite plates are located on the upper and lower surfaces of the substrate, and the deformation resistance of the composite plate is greater than the deformation resistance of the substrate, and the composite roughing mill is a two-roll mill in which both rolls are toothed surfaces, The toothed surface roll is brought into contact with the upper and lower plates to perform rolling.
  • the blanking process in the step 2) is: feeding the stacked substrate and the composite plate to a press, and welding the laminated plate with the vertical plate before the spot welding, and then welding with the submerged arc welding package. Drilling a vacuum at the end of the welded composite blank, and then closing the hole to obtain a composite board .
  • step 3 hot rolling is performed, that is, before the rough rolling, the composite slab after passing the inspection is welded and sealed, and then vacuumed and sent to the heating furnace, heated to the rolling temperature, and then sent to the roughing mill for rough rolling.
  • step 3 cold rolling is performed, that is, before the rough rolling, the qualified composite slab is spot-welded and sent to the pickling equipment for pickling, and then sent to the roughing mill for rough rolling.
  • step 4 the corrugation of the composite surface is perpendicular to the rolling direction or parallel to the rolling direction.
  • the corrugated cross-sectional shape of the composite plate formed by the rough pressing and the corrugated cross-sectional shape of the composite surface of the substrate are circular arc, elliptical, sinusoidal, triangular, trapezoidal or rectangular.
  • the corrugation height of the composite plate and the corrugation height of the composite surface of the substrate are 10% to 145% of the thickness of the composite plate, and the corrugation width of the corrugated surface of the composite plate is 5-10 times of the height of the corrugation.
  • step 5 trimming, heat treatment, leveling, and segmentation.
  • the invention utilizes the meshing force between the substrate corrugation and the multi-plate corrugation to increase the bonding force between the substrate and the composite plate; the rough corrugated composite corrugated composite plate is combined with the tooth surface of the substrate to solve the dissimilar metal deformation resistance caused by the metal The difference of plastic deformation; using the corrugated composite surface of the substrate and the composite plate, the contact area between the substrate and the composite plate is increased, the bonding strength of the metal layer is increased, and the cracking phenomenon of the substrate and the composite plate during the rolling process is avoided, and the cracking phenomenon is improved.
  • the composite ratio; the method for meshing and rolling the metal composite strip with the corrugated composite surface is simple in process, low in energy consumption, high in composite quality and high in output.
  • Figure 1 is a schematic view of a single-sided composite slab
  • Figure 2 is a schematic view of rough rolling of a single-sided composite board
  • Figure 3 is a semi-finished product of a single-sided composite board having a circular arc-shaped corrugated board after rough rolling
  • Figure 4 is a schematic view of finishing rolling of a single-sided composite board
  • Figure 5 is a finished composite plate having a circular arc-shaped corrugated joint surface after finish rolling
  • Figure 6 is a schematic view of a double-sided composite slab
  • Figure 7 is a schematic view of rough rolling of a double-sided composite board
  • Figure 8 is a semi-finished product of a double-sided composite board having a triangular corrugated composite board after rough rolling;
  • Figure 9 is a schematic view of finishing of a double-sided composite board
  • Figure 10 is a finished composite sheet having a triangular corrugated joint surface after finish rolling
  • Example 1 Preparation of titanium steel-carbon steel single-sided composite board
  • Billet: TC4 titanium steel plate and Q345R carbon steel plate are selected according to the ratio of 1:4.
  • the size of titanium steel plate is 40mm thick X 1500mm X long and 3000mm long, which is used as composite board 1.
  • the size of carbon steel plate is 160mm thick, 1500mm wide and 3000mm long.
  • the thickness of the composite slab is 200 mm.
  • the composite slab after passing the inspection is sent to a heating furnace and heated to 1200 °C.
  • Rough rolling the heated composite slab is sent to a composite roughing mill for rolling. As shown in Fig. 2, the composite roughing mill is a two-roll mill with a rounded orphaned surface and a smooth surface. The upper rough roll 3 of the surface is in contact with the titanium steel composite plate 1, and the smooth rough roll 4 is in contact with the carbon steel substrate 2, and the titanium steel-carbon steel composite slab is rolled into the titanium steel composite plate in the rolling direction.
  • arc-shaped corrugated plate 1 is a rough circular-rolled composite plate in which a circular arc-shaped corrugated plate, a carbon steel substrate 2 and a titanium steel composite plate 1 are combined with a circular arc-shaped corrugation, as shown in FIG. 3, the circular plate-shaped corrugated surface of the composite plate 1
  • the arc width is 5 times the height of the arc, and the arc corrugation height is 30 mm, and the arc-shaped corrugations are continuously distributed along the length direction.
  • the rough-rolled single-sided circular corrugated composite board is sent to a four-roll finishing mill for rolling, and the finishing rolls 5, 6 and the supporting rolls are smooth surface flat rolls, which make the rough
  • the rolled composite corrugations are arranged along the rolling direction, and are rolled on the finishing mill until the single-sided circular corrugated rough-rolled composite sheet is rolled into a double-sided flat 20 mm thick finished composite panel, as shown in FIG.
  • Example 2 Preparation of copper plate-aluminum plate-copper plate double-sided composite board:
  • T3 copper plate, LY2 aluminum plate and T3 copper plate are selected according to the ratio of 1:3:1.
  • the size of the aluminum plate is 120mm thick x 800mm wide and 3000mm long is used as the substrate 2.
  • the thickness of the copper plate is 4 Oram X width 800mm x length 3000mm Blocks, respectively, as the upper layer 1 and the lower layer 1 '; clean the aluminum plate and the two copper plates until the metal substrate is seen; stack the lower layer 1 , the substrate 2 and the upper layer 1 , and send it to the press, Spot welding is performed around the stacked composite slab to obtain a composite slab, as shown in Fig. 6, having a thickness of 200 mm.
  • the pickled qualified composite slab is sent to a composite roughing mill for rolling.
  • the composite roughing mill is a two-roll mill in which both rolls have a triangular toothed surface, and the upper layer copper plate is along the length direction.
  • the composite plate 1 and the lower copper plate 1' are rolled into a rough-rolled composite plate of a whole triangular corrugated composite plate, as shown in Fig.
  • the joint surface of the substrate 2 and the upper composite plate 1 is a mutual cooperation
  • the corrugated corrugated surface, the joint surface of the substrate 2 and the lower composite panel 1' is also a triangular corrugated surface that cooperates with each other; the triangular corrugation width is 10 times the height of the triangular corrugation, and the triangular corrugation height is 15 planes, and the triangular corrugations are continuous along the length of the composite panel. distributed.
  • the rough-rolled double-sided triangular corrugated composite sheet is sent to a four-roll composite finishing mill for rolling, as shown in Fig. 9, the four-roll composite finishing mill working rolls 5, 6 and the supporting rolls are all smooth flat rolls, so that The rough rolled composite plate corrugations are arranged along the rolling direction, and are rolled on a four-roll composite finishing mill until the double-sided triangular corrugated rough-rolled composite plate is rolled into a double-sided flat 12-inch thick composite plate, as shown in FIG. 10; Then, a 1 mm thick composite strip was rolled on a six-roll finishing mill.
  • the corrugations are continuously distributed on the substrate 2 and the composite sheet 1.
  • the corrugations of the composite surface may be perpendicular to the rolling direction or parallel to the rolling direction.
  • the composite sheet 1 shall be The deformation resistance is greater than the deformation resistance of the substrate 2.
  • the corrugated cross-sectional shape of the composite plate formed by rough rolling may be a circular arc shape, an elliptical shape, a sine wave shape, a triangular shape, a trapezoidal shape or a rectangular shape, and the height of the multi-layer corrugation is 10% to 150% of the thickness of the composite plate; after rough rolling
  • the composite surface of the substrate is a single-sided corrugation, and the cross-sectional shape of the composite surface of the substrate may be a circular arc shape, an elliptical shape, a sinusoidal wave shape, a triangular shape, a trapezoidal shape or a rectangular shape, and the corrugated height of the composite surface of the substrate is 10% of the thickness of the composite plate. ⁇ 150%.
  • the above two examples use the meshing force between the substrate corrugation and the multi-plate corrugation to increase the bonding force between the substrate and the composite plate; the rough corrugated composite corrugated composite plate is combined with the tooth surface of the substrate to solve the dissimilar metal deformation resistance.
  • the difference in plastic deformation caused by different metals; the composite effect is good, and the bonding strength of the interface of the metal layer is substantially improved compared with the bonding strength of the flat composite.

Abstract

一种轧制金属复合板带的方法，包括如下步骤：1）选取金属基板和金属复板，清理基板和复板进行复合的表面，直至见到金属基体；2）将基板和复板按顺序叠装，制坯，得到复合板坯；3）将复合板坯通过装有波纹轧辊的复合粗轧机轧制出复合面上具有波纹啮合面的复合板；4）将粗轧轧制出的具有整体波纹复板的复合板通过复合精轧机轧平并轧制到所需厚度，得到复合板带。该方法利用粗轧后整体波纹复板与基板齿形表面结合，解决了异种金属变形抗力不同引起金属塑性变形的差异，增大了基板和复板之间的结合力，增加了金属层的结合强度，复合效果有了实质性的提高。

Description

说 明 书
一种轧制金属复合板带的方法
技术领域
本发明属于金属复合板带的制备技术领域， 具体涉及一种金属基 板和复板波纹复合面啮合式轧制金属复合板带的方法。
背景技术
金属复合板带是指在一层金属上复以另外一种金属的板带， 以达 到在不降低使用效果 （防腐性能、 机械强度等） 的前提下节约资源、 降低成本的效果。 金属复合材料技术可以发挥组元材料各自的优势， 实现各组元材料资源的最优配置， 节约贵重金属材料， 实现单一金属 不能满足的性能要求， 主要应用在防腐、 压力容器制造， 电建、 石化、 医药、 轻工、 汽车等行业。 复合方法通常有爆炸复合法， 金属压力加 工复合法。
爆炸复合法是利用爆炸时产生的高能量将异种的金属板紧密地焊 接在一起， 可以实现性能相差较大的金属之间的复合， 界面结合力强， 但该方法生产的复合板尺寸较小板形较差， 成材率低； 而且由于爆炸 高能量的沖击， 金属组织结构受到影响， 并对环境污染较重。
压力加工复合法是指异种金属在塑性变形过程中受到变形力的作 用使接触表面接近原子厚距离形成大量结合点， 进而扩散形成稳固的 冶金结合。 其制坯工艺及界面复合机制是制约复合金属板带质量、 产 量的主要因素。 压力加工法中研究最多的是轧制复合， 有热轧、 冷轧、 非等温轧制、 异步轧制等。 而轧制复合能量较低， 异种金属材料力学 性能差异大， 结合界面比爆炸复合更为复杂， 其中铸造复合板坯结合 面易产生气泡、 夹杂裂纹等， 钎焊复合板坯钎焊剂的选择对不同金属 的界面结合有很大的影响， 容易开裂。 所以使异种金属界面结合稳固， 质量精度高， 品种范围广， 复合效率高是亟待解决的问题。 发明内容
本发明的目的是为了解决复合板生产时复合界面结合性能不良的 技术问题， 提供一种波纹复合面啮合式轧制金属复合板带的方法。
本发明是通过下述技术方案实现。
一种轧制金属复合板带的方法， 包括如下步骤：
1 )选取金属基板和金属复板， 清理基板和复板进行复合的表面， 直至见到金属基体；
2 )将基板和复板按顺序叠装， 制坯， 得到复合板坯；
3 )将复合板坯通过装有波纹轧辊的复合粗轧机轧制出复合面上具 有波紋啮合面的复合板；
4 )将粗轧轧制出的具有整体波紋复板的复合板通过复合精轧机轧 平并轧制到所需厚度， 得到复合板带。
其中， 所述复板为一块， 所述复板的变形抗力大于基板的变形抗 力， 所述复合粗轧机是一个轧辊为齿状表面、 一个轧辊为光滑表面的 二辊轧机， 使齿状表面轧辊与复板接触， 光滑表面轧辊与基板接触， 进行轧制。
或者， 所述复板为两块， 位于所述基板上下面， 所述复板的变形 抗力大于基板的变形抗力， 所述复合粗轧机是两个轧辊都为齿状表面 的二辊轧机， 使齿状表面轧辊与上下复板接触， 进行轧制。
其中， 步骤 2 ) 中的所述制坯过程为： 将叠装的基板和复板送往压 力机压紧， 在叠装的复合板周围用立板先点焊后用埋弧焊封装焊接， 在焊接好的复合板坯料端部钻孔抽真空， 然后封闭该孔， 得到复合板 。
其中， 在步骤 3 ) 中， 进行热轧， 即在粗轧前， 将检验合格后的复 合板坯焊接密封周边后抽真空送往加热炉， 加热到轧制温度， 然后送 往粗轧机粗轧。
其中， 在步骤 3 ) 中， 进行冷轧， 即在粗轧前， 将检验合格的复合 板坯周边点焊后送往酸洗设备酸洗， 然后再送往粗轧机粗轧。
其中， 步骤 4 ) 中， 使所述复合面的波紋垂直于轧制方向或者平行 于轧制方向。
其中， 粗压形成的复板的波纹截面形状和基板复合面的波紋截面 形状为圆弧形、 椭圆形、 正弦波型、 三角形、 梯形或矩形。
其中， 复板波紋高度和基板复合面波紋高度为复板厚度的 1 0 % ~ 1 50 % , 复板波紋面波纹宽度是波纹高度的 5- 1 0倍。
其中， 还包括步骤 5 ) , 切边， 热处理， 矫平， 分段。
本发明的优点及积极效果：
本发明利用基板波紋和复板波纹之间的啮合力增大了基板和复板 之间的结合力； 利用粗轧后整体波纹复板与基板齿形表面结合， 解决 异种金属变形抗力不同引起金属塑性变形的差异； 利用基板和复板的 波纹复合面， 增大了基板和复板的接触面积， 增加了金属层的结合强 度， 避免了轧制过程中基板和复板的开裂现象， 提高了复合率； 所述 波紋复合面啮合式轧制金属复合板带的方法， 工艺简单， 能耗低， 复 合质量、 产量高。 附图说明
图 1为单面复合板坯示意图；
图 2为单面复合板粗轧示意图；
图 3为粗轧后具有圓弧形波紋复板的单面复合板半成品； 图 4为单面复合板精轧示意图；
图 5为精轧后具有圆弧形波纹结合面的复合板成品；
图 6为双面复合板坯示意图；
图 7为双面复合板粗轧示意图；
图 8为粗轧后具有三角形波紋复板的双面复合板半成品；
图 9为双面复合板精轧示意图；
图 10为精轧后具有三角形波紋结合面的复合板成品；
附图标记说明：
1、 -复板； 2-基板；
3-上粗轧辊； 4-下粗轧辊；
5 -精轧上工作辊； 6 -精轧下工作辊。 具体实施方式
下面结合附图及实施例， 对本发明进行进一步详细说明。 应当理 解， 此处所描述的具体实施例仅仅用于解释本发明， 并不用于限定本 发明。
实施例 1 : 制备钛钢-碳钢单面复合板
制坯： 选取 TC4钛钢板和 Q345R碳钢板按照 1 ： 4比例组坯， 钛钢 板尺寸为厚 40mm X宽 1500mm X长 3000mm, 作为复板 1 ; 碳钢板尺寸为 厚 160mm χ宽 1500mm χ长 3000mm， 作为基板 2 ; 清理碳钢板和钛钢板， 直至见到金属基底； 叠装复板 1和基板 2， 送往压力机压紧， 在叠装的 复合板坯周围用 15隱厚的碳钢板先点焊后用埋弧焊封装焊接， 在焊接 好的复合板坯料端部钻孔抽真空， 然后封闭该孔， 得到复合板坯， 如 图 1 , 复合板坯的厚度为 200mm。
加热： 将检-睑合格后的复合板坯送往加热炉， 加热到 1200 °C。 粗轧： 将加热好的复合板坯送往复合粗轧机轧制， 如图 2 , 所述复 合粗轧机是一个轧辊为圆孤形齿状表面、 一个轧辊为光滑表面的二辊 轧机， 使齿状表面的上粗轧辊 3与钛钢复板 1接触， 光滑表面的下粗 轧辊 4与碳钢基板 2接触， 沿轧制方向， 将钛钢-碳钢复合板坯轧制成 钛钢复板 1为整体圆弧形波紋板、 碳钢基板 2与钛钢复板 1复合面以 圆弧形波紋相互配合的粗轧复合板， 如图 3所示， 所述复板 1圓弧形 波紋面弧形宽度是弧形高度的 5倍， 弧形波紋高度 30mm， 圓弧形波纹 沿长度方向连续分布。
精轧： 如图 4 , 将粗轧后的单面圆弧形波纹复合板送往四辊精轧机 轧制， 所述精轧机工作辊 5、 6和支承辊皆为光滑表面平辊， 使粗轧复 合板波纹沿轧制方向布置， 在精轧机上轧制直到单面圓弧形波紋的粗 轧复合板轧制成双面平面的 20mm厚成品复合板， 如图 5所示。
最后， 切边， 热处理， 矫平， 分段， 制成成品。
实施例 2 : 制备铜板-铝板-铜板双面复合板：
制坯： 选取 T3铜板、 LY2铝板和 T3铜板按照 1 : 3 : 1比例组坯， 铝板尺寸为厚 120mm X宽 800mm χ长 3000mm作为基板 2 ,铜板尺寸为厚 4 Oram X宽 800mm x长 3000mm两块，分别作为上层复板 1和下层复板 1 '； 清理铝板和两块铜板， 直至见到金属基底； 叠装下层复板 1 、 基板 2 和上层复板 1 , 送往压力机压紧， 在叠装的复合板坯周围点焊焊接， 得 到复合板坯， 如图 6 , 厚度为 200mm。
酸洗： 将检验合格的复合板坯送往酸洗设备酸洗。
粗轧： 将酸洗合格的复合板坯送往复合粗轧机轧制， 如图 7 , 所述 复合粗轧机是两个轧辊皆具有三角形齿状表面的二辊轧机， 沿长度方 向， 将上层铜板复板 1和下层铜板复板 1 ' 轧制成整体三角形波紋复板 的粗轧复合板， 如图 8， 基板 2与上层复板 1的结合面为相互配合的三 角形波纹面， 基板 2与下层复板 1' 的结合面也为相互配合的三角形波 纹面； 三角形波紋宽度是三角形波紋高度的 10倍， 三角形波紋高度为 15麵， 三角形波纹沿复合板长度方向连续分布。
精轧： 将粗轧后的双面三角形波紋复合板送往四辊复合精轧机轧 制， 如图 9， 所述四辊复合精轧机工作辊 5、 6和支承辊皆为光滑平辊， 使粗轧复合板波紋沿轧制方向布置， 在四辊复合精轧机上轧制直到双 面三角形波纹的粗轧复合板轧制成双面平面的 12匪厚的复合板， 如图 10所示； 然后在六辊精轧机上轧制得到 1mm厚复合薄带。
最后， 切边， 热处理， 矫平， 制成成品。
在粗轧时， 波紋连续均勾分布在基板 2和复板 1上， 在精轧时， 复合面的波紋可以垂直于轧制方向或者平行于轧制方向， 选材时， 应 使得复板 1的变形抗力要大于基板 2的变形抗力。
粗轧形成的复板的波纹截面形状可以为圆弧形、 椭圓形、 正弦波 型、 三角形、 梯形或矩形， 所述复板波纹高度为复板厚度的 10% ~ 150%; 粗轧后的基板复合面为单面波紋， 所述基板复合面波纹截面形 状可以为圆弧形、 椭圆形、 正弦波型、 三角形、 梯形或矩形， 所述基 板复合面波纹高度为复板厚度的 10% ~ 150%。
上述两个实例利用基板波紋和复板波紋之间的啮合力增大了基板 和复板之间的结合力； 利用粗轧后整体波紋复板与基板齿形表面结合, 解决了异种金属变形抗力不同引起金属塑性变形的差异； 其复合效果 良好， 金属层界面的结合强度较采用平板复合的结合强度有了实质的 提高。

Claims

权 利 要 求 书
1、 一种轧制金属复合板带的方法， 其特征在于， 包括如下步骤'.
1 )选取金属基板和金属复板， 清理基板和复板进行复合的表面， 直至见到金属基体；
2 )将基板和复板按顺序叠装， 制坯， 得到复合板坯；
3 )将复合板坯通过装有波纹轧辊的复合粗轧机轧制出复合面上具 有波纹啮合面的复合板；
4 )将粗轧轧制出的具有整体波纹复板的复合板通过复合精轧机轧 平并轧制到所需厚度， 得到复合板带。
2、根据权利要求 1所述的轧制金属复合板带的方法，其特征在于： 所述复板为一块， 所述复板的变形抗力大于基板的变形抗力， 所述复 合粗轧机是一个轧辊为齿状表面、 一个轧辊为光滑表面的二辊轧机， 使齿状表面轧辊与复板接触， 光滑表面轧辊与基板接触， 进行轧制。
3、根据权利要求 1所述的轧制金属复合板带的方法，其特征在于： 所述复板为两块， 位于所述基板上下面， 所述复板的变形抗力大于基 板的变形抗力， 所述复合粗轧机是两个轧辊都为齿状表面的二辊轧机， 使齿状表面轧辊与上下复板接触， 进行轧制。
4、 根据权利要求 1-3任一项所述的轧制金属复合板带的方法， 其 特征在于： 步骤 2 )中的所述制坯过程为： 将叠装的基板和复板送往压 力机压紧， 在叠装的复合板周围用立板先点焊后用埋弧焊封装焊接， 在焊接好的复合板坯料端部钻孔抽真空， 然后封闭该孔， 得到复合板
5、 根据权利要求 1-4任一项所述的轧制金属复合板带的方法， 其 特征在于： 在步骤 3) 中， 进行热轧， 即在粗轧前， 将检验合格后的复 合板坯焊接密封周边后抽真空送往加热炉， 加热到轧制温度， 然后送
6、 根据权利要求 1-4任一项所述的轧制金属复合板带的方法， 其 特征在于： 在步骤 3 ) 中， 进行冷轧， 即在粗轧前， 将检验合格的复合 板坯周边点焊后送往酸洗设备酸洗， 然后再送往粗轧机粗轧。
7、 根据权利要求 1-6任一项所述的轧制金属复合板带的方法， 其 特征在于： 步骤 4 ) 中， 使所述复合面的波紋垂直于轧制方向或者平行 于轧制方向。
8、 根据权利要求 1-7任一项所述的轧制金属复合板带的方法， 其 特征在于： 粗轧形成的复板的波紋截面形状和基板复合面的波纹截面 形状为圆弧形、 椭圓形、 正弦波型、 三角形、 梯形或矩形。
9、 根据权利要求 1-8任一项所述的轧制金属复合板带的方法， 其 特征在于： 复板波纹高度和基板复合面波纹高度为复板厚度的 10% ~ 150% , 复板波纹面波紋宽度是波紋高度的 5- 10倍。
10、 根据权利要求 1-9任一项所述的轧制金属复合板带的方法， 其特征在于： 还包括步驟 5 ) ， 切边， 热处理， 矫平， 分段。
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