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Rolling compounding technology of ultrathin metal strip assisted by interlayer micro-nano particle spraying

A technology of micro-nano particles and auxiliary metals, which is applied in the direction of metal rolling, metal rolling, metal processing equipment, etc., can solve the problems of poor plate shape and difficult bonding, and achieve uniform deformation, internal stress elimination, and high bonding strength. Effect

Inactive Publication Date: 2019-12-10
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] The purpose of the present invention is to solve the problems of difficult combination of dissimilar metal ultra-thin strip composite materials and poor plate shape, and propose an interlayer spraying micro-nano metal particles assisted ultra-thin strip rolling composite process

Method used

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  • Rolling compounding technology of ultrathin metal strip assisted by interlayer micro-nano particle spraying
  • Rolling compounding technology of ultrathin metal strip assisted by interlayer micro-nano particle spraying

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Embodiment 1

[0039]Select TU2 copper ultra-thin strip and SUS304 stainless steel ultra-thin strip. The size of the stainless steel ultra-thin strip is 0.05 mm thick × 40 mm wide × 100 mm long, as the substrate 2; the copper ultra-thin strip is 0.2 mm thick × 40 mm wide × 100 mm long, as the Double board 3;

[0040] (1) Surface treatment: Clean the surface of SUS304 stainless steel ultra-thin strip and TU2 copper ultra-thin strip with a grinder until the metal matrix is ​​seen;

[0041] (2) Blank making: cold spraying process is adopted on the surface of SUS304 stainless steel ultra-thin strip to be compounded, the powder feeding rate is 0.6L / min, the moving speed of the spray gun is 1500mm / s, the spraying distance is 26mm, and copper micro-nano particles, particles The diameter is 38um. The polished surface buckle of SUS304 stainless steel ultra-thin strip and TU2 copper ultra-thin strip is stacked, and then sent to the press for compression, and the stacked composite ultra-thin strip is s...

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Abstract

The invention belongs to the field of metal material processing, and particularly relates to a rolling compounding technology of an ultrathin metal strip assisted by interlayer micro-nano particle spraying. The method comprises the following steps: cleaning the surfaces of a metal ultra-thin strip base material and a composite material by using a grinding machine until a metal matrix is seen; spraying micro-nano particles on the polishing surface of the metal ultra-thin strip base material, and buckling the base material and the polishing surface of the composite material to form a blank so asto obtain a composite ultra-thin strip blank; feeding the composite ultrathin strip blank into a rolling mill for rolling to tightly combine the base metal and the composite metal; heating and insulating the composite ultrathin belt by using a tubular vacuum furnace or a method for packaging a quartz tube in vacuum, and then cooling; cutting edges of the obtained composite ultra-thin strip; straightening; and coiling. The technology the advantages of simple process, low energy consumption, high compounding quality and high yield.

Description

technical field [0001] The invention belongs to the field of metal material processing, and in particular relates to a metal ultra-thin strip rolling composite process assisted by spraying micro-nano particles between layers. Background technique [0002] With the development of science and technology, extremely thin metal strips are widely used in electronics, computers, medical, aerospace and other industries, mainly as structural parts. With the rise of miniaturized manufacturing technology, it is difficult to meet the performance and cost requirements of the product by using an extremely thin strip of a single metal material. Therefore, there is an urgent need for a production process of a composite metal ultra-thin strip. [0003] According to the different metal states when composite materials are formed, the current processing methods of layered metal composite panels can be divided into liquid-liquid phase composite method, liquid-solid phase composite method and so...

Claims

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Application Information

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IPC IPC(8): B21B1/38B21B47/00B21C37/02
CPCB21B1/38B21B47/00B21B2001/386B21C37/02
Inventor 马晓宝王涛任忠凯史汉卿石瑛黄庆学张金柱高翔宇和东平
Owner TAIYUAN UNIV OF TECH
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