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Connection and sealing method for steel material and magnesium material

A steel and mechanical technology, applied in cold-pressed connection, connection components, welding/cutting medium/material, etc., can solve the problems of poor sealing, complicated connection process, etc., to reduce labor intensity, simple production process, reduce The effect of production costs

Inactive Publication Date: 2016-10-26
黄海娟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a connection and sealing method for steel and magnesium materials, which overcomes the problems of complex connection process and poor sealing performance of steel and magnesium materials in the prior art, so as to improve production efficiency, improve working environment, reduce purpose of production cost

Method used

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  • Connection and sealing method for steel material and magnesium material

Examples

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Effect test

Embodiment 1

[0022] A method for connecting and sealing steel, lead, and magnesium materials, comprising the following steps:

[0023] Step 1: If figure 1 As shown, under normal temperature conditions, the lead material 3 with a thickness of 5mm is embedded in the gap between the connected steel material 1 and the connected magnesium material 2 by cold pressure welding;

[0024] Step 2: Use the hoarding board to enclose the joint surface formed by the three materials of steel 1, magnesium 2, and lead 3 into a space area, and apply 8mm thick polyurethane primer on the substrate of the space area as a primer layer to eliminate the oxide layer residing on its surface;

[0025] Step 3: After 15 minutes, pour high-performance silicone structural glue on the substrate of the enclosed space area, and the product is ready.

Embodiment 2

[0027] A method for connecting and sealing steel, nickel, and magnesium materials, comprising the following steps:

[0028] Step 1: If figure 1 As shown, under normal temperature conditions, the nickel material 3 with a thickness of 3 mm is embedded in the gap between the connected steel material 1 and the connected magnesium material 2 by cold pressure welding;

[0029] Step 2: Use the hoarding board to enclose the joint surface formed by the three materials of steel 1, magnesium 2, and nickel 3 into a space area, and apply a 2mm thick polyurethane primer on the substrate of the space area as a primer layer to eliminate the oxide layer residing on its surface;

[0030] Step 3: After 13 minutes, pour high-performance silicone structural glue on the substrate of the enclosed space area, and the product is ready.

Embodiment 3

[0032] The connection and sealing method of steel, zinc and magnesium materials comprises the following steps:

[0033] Step 1: If figure 1 As shown, under normal temperature conditions, the zinc material 3 with a thickness of 4 mm is embedded in the gap between the connected steel material 1 and the connected magnesium material 2 by cold pressure welding;

[0034] Step 2: Use the hoarding board to enclose the joint surface formed by the three materials of steel 1, magnesium 2, and zinc 3 into a space area, and apply a 5mm thick polyurethane primer on the substrate of the space area as a primer layer to eliminate the oxide layer residing on its surface;

[0035] Step 3: After 10 minutes, pour high-performance silicone structural glue on the substrate of the enclosed space area, and the product is ready.

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Abstract

The invention discloses a connection and sealing method for a steel material and a magnesium material. The method comprises the following steps that ductile metal (3) is embedded into a gap between the steel material (1) and the magnesium material (2) in a mechanical manner at the normal temperature; a spatial area is defined by joint faces formed by the steel material (1), the ductile metal (3) and the magnesium material (2) through encircling plates; and high-performance silicone structural adhesive is poured on a substrate inside the spatial area. By means of the method, the good connection and sealing effect is achieved; in addition, the whole production process is conducted under the normal-temperature condition; the production technology is simple; the operation environment is improved; labor intensity is lowered; and production cost is lowered.

Description

technical field [0001] The invention relates to a connection and sealing method for dissimilar metal materials, in particular to a connection and sealing method for steel and magnesium materials. Background technique [0002] In recent years, the application of dissimilar metal connections has become more and more widespread. A single metal itself does not have all the physical, chemical and mechanical properties required for the application, but dissimilar metals can meet the needs, and can save materials, reduce costs, and save energy. [0003] In industrial production at home and abroad, more and more products are connected by "steel + magnesium" two materials. At present, the connection of steel and magnesium mainly adopts mechanical connection methods such as riveting, bolting and welding. The quality of the riveted or bolted joint is high, the shape of the joint is limited, and the direct riveting or bolted connection of the two materials of "steel + magnesium" has po...

Claims

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Application Information

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IPC IPC(8): B23K35/00B23K20/00F16B11/00B29C39/10B23K101/18
CPCB23K35/004B23K20/001B23K35/002B23K2103/18B29C39/10F16B11/004
Inventor 黄海娟
Owner 黄海娟
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