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Controllable preparation method of porous metal sheet

A metal sheet and metal layer technology, which is applied in the direction of metal material coating process, coating, gaseous chemical plating, etc., can solve the problem that it is difficult to control the porosity and thickness of the metal sheet

Pending Publication Date: 2022-06-24
GUANGDONG UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of the problems raised by the background technology, the purpose of the present invention is to propose a controllable preparation method for porous metal sheets, which can controllably prepare porous metal sheets with ideal thickness and porosity to meet the needs of different fields and performances. It solves the problem that the existing metal sheet preparation method is difficult to control the porosity and thickness of the metal sheet during the preparation process

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  • Controllable preparation method of porous metal sheet
  • Controllable preparation method of porous metal sheet
  • Controllable preparation method of porous metal sheet

Examples

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preparation example Construction

[0032] A controllable preparation method of a porous metal sheet, comprising the following steps:

[0033] (1) successively performing heat collection and cooling treatment on the surface of the substrate material to obtain a substrate material with protrusions on the surface;

[0034] (2) spraying alloy particles on the surface of the substrate material obtained in step (1) to obtain an alloy particle layer;

[0035] (3) Pour carbon-containing organic gas on the surface of the alloy particle layer, and form a graphite layer on the surface of the alloy particle layer under the condition of 1000-1800 ° C and no oxygen;

[0036] (4) using an electric spark ablation device to prepare nano metal particles, collecting and depositing the nano metal particles on the surface of the graphite layer, and forming a metal layer on the surface of the graphite layer;

[0037] (5) Separating the graphite layer and the metal layer to obtain a porous metal sheet.

[0038] In the existing meta...

Embodiment 1

[0070] A controllable preparation method of a porous metal sheet, comprising the following steps:

[0071] (1) The surface of the substrate material (glass with a thickness of 5 mm) is subjected to heat collection and cooling treatment in turn to obtain a substrate material with protrusions on the surface. The specific operations are as follows: the input voltage is 220V / 50Hz, and the input power is 2 -20KVA, output oscillating current 1000A, and output oscillating frequency of 30-110KHz high-frequency induction heating equipment to collect heat treatment on the surface of the substrate material, when the heating temperature reaches 600 ℃, use a vacuum pump to pass liquid nitrogen into the glass surface Collecting cold treatment to obtain the substrate material whose surface is irregularly raised due to thermal expansion and contraction;

[0072] (2) spraying alloy particles on the surface of the substrate material obtained in step (1) to obtain an alloy particle layer, the sp...

Embodiment 2

[0077] A controllable preparation method of a porous metal sheet, comprising the following steps:

[0078] (1) The surface of the substrate material (a silicon wafer with a thickness of 0.8 mm) is subjected to heat collection and cooling treatment in turn to obtain a substrate material with protrusions on the surface. The specific operations are as follows: the input voltage is 220V / 50Hz, and the input power is Collect heat treatment on the surface of the substrate material for microwave heating equipment with an output oscillation current of 2-20KVA, an output oscillation current of 1100A and an output oscillation frequency of 30-110KHz. Collecting cold treatment to obtain the substrate material whose surface is irregularly raised due to thermal expansion and contraction;

[0079] (2) The surface of the substrate material obtained in step (1) is sprayed with alloy particles and an alloy particle layer. The specific operations are as follows: a layer of 5 μm thick is prepared ...

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Abstract

The invention discloses a controllable preparation method of a porous metal sheet, and relates to the field of metal sheet preparation. The controllable preparation method of the porous metal sheet comprises the following steps: (1) sequentially carrying out heat collection treatment and cold collection treatment on the surface of a substrate material to obtain the substrate material with bulges on the surface; (2) spraying alloy particles on the surface of the substrate material obtained in the step (1) to obtain an alloy particle layer; (3) carbon-containing organic gas is introduced into the surface of the alloy particle layer, and a graphite layer is formed on the surface of the alloy particle layer under the high-temperature oxygen-free condition; (4) preparing nano metal particles by adopting an electric spark ablation device, collecting and depositing the nano metal particles on the surface of the graphite layer, and forming a metal layer on the surface of the graphite layer; and (5) separating the graphite layer from the metal layer to obtain the porous metal sheet. According to the invention, the porous metal sheet with ideal thickness and porosity can be controllably prepared so as to meet the requirements of different fields and performance.

Description

technical field [0001] The invention relates to the field of metal sheet preparation, in particular to a controllable preparation method of a porous metal sheet. Background technique [0002] With the rapid development of advanced technology, metal sheets have important application value in the fields of microelectronic components, electrochemistry, printed circuit boards, lithium-ion batteries, sensors, welding, energy storage, heat sinks, etc. What is the porosity of metal sheets? and thickness will affect the electrical conductivity, thermal conductivity and mechanical properties of the metal sheet. In daily use, it is necessary to prepare metal sheets with different porosity according to the application field of the metal sheet and people's needs. [0003] At present, there are two main methods for preparing metal sheets: [0004] 1. The traditional manufacturing method of metal sheets at home and abroad is to use a carrier foil with a certain thickness as the cathode, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C16/26C23C16/02C23C26/00B22F3/11
CPCC23C16/26C23C16/0281C23C26/00B22F3/1146
Inventor 张昱余贤冲崔成强杨冠南钟克菊曹秀华
Owner GUANGDONG UNIV OF TECH