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Magnesium clad material, housing for electronic devices, and component for mobile objects

A magnesium cladding and cladding technology, which is applied in the field of housings for electronic equipment and parts for mobile bodies, can solve the problems of easy peeling and reduced joint strength of Mg cladding materials, achieve fire resistance and flame retardancy, and ensure light weight. Quantitative, the effect of improving the mechanical strength

Pending Publication Date: 2021-11-02
株式会社博迈立铖
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the intermetallic compound is formed excessively, peeling between the Mg layer and the Al layer tends to occur, so the bonding strength of the Mg cladding material tends to decrease.

Method used

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  • Magnesium clad material, housing for electronic devices, and component for mobile objects
  • Magnesium clad material, housing for electronic devices, and component for mobile objects
  • Magnesium clad material, housing for electronic devices, and component for mobile objects

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Experimental program
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Effect test

Embodiment

[0079] The evaluation test of the mechanical characteristics performed in order to confirm the effect of this invention, and its result are demonstrated. In consideration of the risk of corrosion of the Mg cladding material used in the evaluation test during the test, a test body was cut out from a cladding material 10 with a five-layer structure in which both sides of the Mg layer 11 were protected. In addition, as a reference, for a Mg plate with a thickness of 0.6 mm composed of Mg-Li alloy (LZ91, LAZ941), an Al plate with a thickness of 0.6 mm composed of Al alloy (A5052), and a Mg-Al - A 0.6 mm-thick Mg plate made of a Zn alloy (AZ31) was also cut out as a test piece, and evaluated in the same manner as the Mg clad material.

[0080] In the production of the clad material 10 used in the evaluation test, as its raw materials, a Mg plate with a thickness of about 3 mm, an Al plate with a thickness of about 3 mm, and a Cu plate with a thickness of about 0.03 mm were used. T...

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Abstract

A magnesium clad material 100 is provided with an Mg layer (11), a first Al layer (12) comprising Al or an Al alloy, and a first joint part (13) arranged between the Mg layer and the first Al layer and comprising Cu or a Cu alloy when a cross section thereof which is cut in the thickness direction is observed, and has 0.2% offset yield strength of 150 MPa or more as measured by a tensile test under a room temperature atmosphere.

Description

technical field [0001] The present invention relates to a magnesium cladding material, a case for an electronic device, and a part for a moving body. Specifically, the present invention relates to a magnesium package that can be suitably used in applications that require weight reduction, such as personal computers, mobile and vehicle-mounted electronic equipment, automobiles, railway vehicles, aircraft, and unmanned aerial vehicles. Layer materials, housings for electronic equipment and parts for mobile bodies using the magnesium clad materials. Background technique [0002] For example, for the purpose of reducing the weight of mobile bodies such as personal computers, mobile and vehicle-mounted electronic equipment, automobiles, railway vehicles, aircraft, etc., or mobile bodies such as unmanned aerial vehicles, the specific gravity is lower than that of aluminum ( Various parts (Mg parts) composed of magnesium alloys (Mg alloys) of Al) or aluminum alloys (Al alloys) are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/01C22C23/00H05K5/02H05K5/04B23K20/04C22F1/00C22F1/06
CPCB23K20/04C22C23/00H05K5/04B32B15/017B23K20/2333B23K20/16B23K2103/10B23K2103/15B23K2103/12B23K2103/18B23K2101/36C22F1/06
Inventor 大仓诚史井上良二
Owner 株式会社博迈立铖
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