A device and method for 3D printing porous metal materials
A porous metal, 3D printing technology, applied in the direction of additive processing, etc., can solve the problems of uncontrollable pore structure, complicated preparation process, long preparation cycle, etc., and achieve controllable and adjustable pore structure, simple device structure, and convenient processing Effect
Active Publication Date: 2022-03-25
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI +1
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Problems solved by technology
[0006] The purpose of the present invention is to provide a device and method for 3D printing porous metal materials, which are used to solve or partially solve the problems of complex preparation process, high energy consumption, long preparation cycle and uncontrollable pore structure of existing porous metal materials
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[0026] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0027] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.
[0028] According to an ...
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Abstract
The invention relates to the technical field of preparation of porous metal materials, and discloses a device and method for 3D printing porous metal materials. The device includes: a transmission mechanism connected to a nozzle for driving the nozzle to move three-dimensionally, the inlet of the nozzle and the first liquid storage device The first liquid transfer pump is set in series between the first liquid storage device and the nozzle, the first liquid storage device contains liquid metal, and the first liquid storage device is equipped with a heating device, which is used to maintain the liquid metal in a liquid state and control The modules are respectively connected with the transmission mechanism, the first liquid transfer pump and the heating device. A device and method for 3D printing porous metal materials provided by the present invention uses liquid metal in a liquid state as a printing raw material, which can realize 3D printing of porous metal materials in one step, quickly prepare porous metal materials, and has low energy consumption and convenient processing , The advantages of controllable and adjustable pore structure of porous materials.
Description
technical field [0001] The invention relates to the technical field of preparation of porous metal materials, in particular to a device and method for 3D printing porous metal materials. Background technique [0002] Porous metal materials, as a class of multifunctional materials with excellent performance, have been widely concerned and applied in the fields of national economy, national defense and military affairs. Porous metal materials have the dual characteristics of structural materials and functional materials: as structural materials, porous metal materials have the characteristics of low density and large specific surface area; as functional materials, porous metal materials have the characteristics of absorbing impact energy, electromagnetic shielding, heat dissipation, damping, Vibration, sound absorption, sound insulation and other properties. [0003] At present, the preparation methods of porous metal materials mainly include: casting method, sintering method...
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IPC IPC(8): B22F3/115B22F3/11B33Y30/00B33Y10/00
CPCB22F3/115B22F3/11B33Y30/00B33Y10/00
Inventor 高建业杨小虎刘静
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI