Composite metal sheet micro-array functional structure and its forming method and device

Abstract

The invention provides a composite metal thin plate micro-array functional structure and its forming method and device, which solves the technical problem of poor forming ability of the metal thin plate at the mesoscopic scale. The strength metal sheet layer, the high-strength metal sheet layer, and at least one of them is a face-centered cubic metal; the low-strength metal sheet layer is a low-strength, large-thickness metal substrate, and the high-strength metal sheet layer is a high-strength, small-thickness metal substrate; The lower surface of the high-strength metal sheet layer is provided with a plurality of downward protrusions, and the plurality of protrusions are distributed in an array structure. The upper surface of the high-strength metal sheet layer is provided with a plurality of grooves. One-to-one correspondence, the lower surface of the low-strength metal thin plate layer is embedded in the groove. The invention also discloses a forming method and forming device for the composite metal thin plate micro-array functional structural member, which can be widely used in the field of metal thin plate forming.

Description

technical field [0001] The application belongs to the field of thin metal plate forming, and in particular relates to a composite metal thin plate micro-array functional structural part, a forming method and a device thereof. Background technique [0002] With the rapid development of modern industries such as precision machinery and electronics, people's requirements for products in production and life are becoming increasingly miniaturized, refined, and integrated; especially in electronic communications, precision instruments, biomedical, fine chemicals, fuel cells, etc. In the field of thin plate products with micro-featured structures, such as fuel cell plates, micro-radiators, micro-reactors, etc., are widely used, and therefore higher requirements are put forward for their manufacturing processes. [0003] At present, when the characteristic dimension of the thickness of the metal sheet is smaller than a certain level, its mechanical properties will be different from ...

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Problems solved by technology

[0003] At present, when the characteristic dimension of the thickness of the metal sheet is smaller than a certain level, its mechanical properties will be different from the macroscopic conditions, and the forming ability of the metal sheet at the mesoscopic scale is weaker than that of the macroscopic scale, and high-strength metals are difficult to form due to their high strength. ; and low-strength metals cannot meet the use standard due to their low strength.

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