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Process for producing metal-resin bonded object, and metal-resin bonded object

A technology of a manufacturing method and a joining method, which is applied to the manufacture of metal-resin joints and the field of metal-resin joints, and can solve problems such as damaged appearance, lack of versatility, and cracks

Active Publication Date: 2015-09-23
NIPPON LIGHT METAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the method described in Patent Document 1 has the following problems: in order to generate frictional heat, a rotary tool is placed on the surface of the metal material and rotated, so the surface of the metal material will generate friction marks caused by the rotary tool and damage the appearance. The joining device of the rotary tool is enlarged due to the complex structure of the device, and furthermore, in the process of stamping and forming after joining the metal material and the resin material, there will be obstacles such as cracks starting from the friction marks
[0007] In addition, the method described in Patent Document 2 has the following problems: as the metal body, a metal material with a lower melting point than the thermoplastic resin body has to be selected, and there are strict restrictions on the metal materials and resin materials that can be joined by this method. Versatility

Method used

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  • Process for producing metal-resin bonded object, and metal-resin bonded object
  • Process for producing metal-resin bonded object, and metal-resin bonded object
  • Process for producing metal-resin bonded object, and metal-resin bonded object

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～13 and comparative example 1～7

[0047] Hereinafter, the method for producing the metal-resin bonded body and the metal-resin bonded body in the present invention will be specifically described based on Examples and Comparative Examples.

[0048] In addition, in the following examples and comparative examples, an aluminum plate material (aluminum member) formed of an aluminum alloy plate (JIS A5052-H34) with a width of 30 mm x a length of 90 mm x a thickness of 3 mm was used as a metal member. The resin sheet that is laminated on the bonding surface of the aluminum member to form the resin bonding layer uses an olefin sheet (trade name: Admar, manufactured by Mitsui Chemicals, Ltd.) with a size of 30 mm in width x 90 mm in length x 0.1 to 10 mm in thickness. 30mm x length 90mm x thickness 3mm polypropylene molded sheet (PP molded body).

[0049] 〔Pretreatment of aluminum sheet P1〕

[0050] First, put the aluminum plate in 30wt%-nitric acid aqueous solution for 5 minutes at room temperature, then wash it thor...

Embodiment 14～15 and comparative example 8～9

[0073] Next, the above-mentioned PP molded body (resin member) 3 is superimposed on the olefin sheet (resin bonding layer) 2b of the prepared aluminum resin laminated sheet 2, and it is placed in an ultrasonic welding machine (TELSONIC) Made by the company: USP-2000), ultrasonic welding was carried out under the conditions of frequency 20kHz, amplitude 50%, and welding time 1 second, and prepared such figure 2 A test piece (metal-resin bonded body) 1 in which a PP molded body is bonded to the bonding surface of the aluminum plate shown is shown.

[0074] In addition, in Examples 14 and 15 and Comparative Examples 8 and 9, except that the bonding method was changed to the above-mentioned ultrasonic welding, the same shear tensile strength test and deep drawability evaluation test as in Examples 1 to 13 were implemented. .

[0075] Table 2 shows the evaluation results of the shear tensile strength test and the deep drawability evaluation test.

[0076] [Table 2]

[0077] ...

Embodiment 18～20 and comparative example 10

[0080] Next, the prepared olefin sheet (resin bonding layer) 2b of the aluminum resin laminate 2 was set on a mold in an injection molding machine (ST10R2V manufactured by NISSEI Co., Ltd.), and the injection molding time (including dwell pressure) Time) 5 seconds, injection molding speed 60mm / second, holding pressure 90MPa, barrel temperature 280°C and mold temperature 50°C molding conditions to injection mold PP resin, prepared as figure 2 A test piece (metal-resin bonded body) 1 in which a PP molded body is bonded to the bonding surface of the aluminum plate shown is shown.

[0081] In Examples 18 to 20 and Comparative Example 10, the same shear tensile strength test and deep drawability evaluation test as in Examples 1 to 17 were performed except that the joining method was changed to the above-mentioned injection welding.

[0082] Table 3 shows the evaluation results of the shear tensile strength test and the deep drawability evaluation test.

[0083] [table 3]

[0084...

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Abstract

Provided is a process for producing a metal-resin bonded object in which the metal member has been untied with the resin member constituted of a thermoplastic resin, the process being easier and versatile, being capable of imparting stable bonding strength to the bonded surfaces of the metal member and resin member, and giving no damage, etc. to the metal member, etc. of the metal-resin bonded object. The process, which is for producing a metal-resin bonded object by bonding a metal member to a resin member constituted of a thermoplastic resin, comprises: superposing beforehand a resinous bonding layer that comprises a thermoplastic resin having compatibility with the resin member and has a thickness of 0.01-9 mm, on the surface of the metal member which is to be bonded; and heating the surfaces to be bonded of the resinous bonding layer of the metal member and the resin member to compatibilize and bond the resinous bonding layer and the resin member.

Description

technical field [0001] The present invention relates to a method for manufacturing a metal-resin bonded body in which a metal member and a thermoplastic resin member are bonded by heat welding to integrate the metal member and the resin member, and the method for manufacturing the metal-resin bonded body metal-resin joints. Background technique [0002] For the joining of thermoplastic resins, methods using external heat sources such as hot air welding, hot plate welding, and laser welding, methods based on electromagnetic heating such as high-frequency welding, methods based on electric heating such as hot wire welding, etc. are known. Vibration welding, spin welding, ultrasonic welding, etc., using frictional heating methods, injection welding, etc., using the residual heat of the secondary injection resin, etc., heat the joint surface between thermoplastic resins to melt and join. According to the characteristics of various thermal welding technologies, it is used in var...

Claims

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Application Information

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IPC IPC(8): B29C65/02B29C45/14B29C65/06B29C65/08
CPCB29C65/08B29C66/73921B29C65/18B29C66/72321B29C65/16B29C66/43B29C65/8215B29C65/0672B29C66/1122B29C65/02B29C65/06B29C65/10B29C65/20B29C66/7352B29C66/71B29K2077/00B29K2067/00B29K2059/00B29K2055/02B29K2033/08B29K2031/04B29K2027/06B29K2025/08B29K2025/06B29K2023/12B29K2023/06
Inventor 远藤正宪武村祥成原田聪金子奈保佐藤惠中岛荣一郎西村圭司吉田谅高泽令子吉田美悠姬
Owner NIPPON LIGHT METAL CO LTD
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