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A method for producing a porous metal material

A production method and porous metal technology, applied in the field of production of porous metal materials, can solve the problems of high cost, slow production speed, unsuitable for mass production, etc., and achieve the effect of low cost, fast speed and broad market promotion prospects

Active Publication Date: 2015-11-25
DAYA PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the production of ordered porous materials introduced so far, diffusion sintering method and template method are generally used. These methods are slow in manufacturing speed and high in cost, and are not suitable for mass production.

Method used

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  • A method for producing a porous metal material
  • A method for producing a porous metal material
  • A method for producing a porous metal material

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0024] Such as Figure 1 ~ Figure 3 As shown, a method for preparing an ordered porous metal material, the steps of the preparation method are as follows: step 1, the metal powder and the binder are heated and mixed, extruded and granulated to form a feed, and the particle size of the metal powder can be 5 μm ~500μm. The function of adding a binder is to facilitate extrusion molding. Therefore, as long as the binder meets the extrusion flow conditions of the material, it can be preferably a plasticized binder, and more preferably a binder with a phenolic resin as the main additive. Step 2: Pour the prepared feed into the extrusion molding machine for preheating, heat the feed to form a liquid state, pass through the molding die in the extrusion molding machine, and insert the feed into the filaments. The extrusion molding machine is Conventio...

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Abstract

The present invention discloses a porous metal material production method. With the preparation method adopting an extruder to form, an adhesive and metal powder are subjected to heating mixing, wherein a fed material is easily extruded and formed with the adhesive effect so as to meet material extrusion flow conditions; forming and wire planting are performed through the extruder; degreasing is performed based on the adhesive; and the planted wire is melted by using the principle of different melting points so as to form small holes. The production method has characteristics of rapid process and low cost, is suitable for mass production, and has broad market promotion prospects.

Description

technical field [0001] The invention relates to a manufacturing method of a porous metal material. Background technique [0002] Porous materials have a wide range of applications in various fields such as energy, environmental protection, and aerospace. For porous materials with disordered structures, although the fluid passing index can be calculated and controlled, the comprehensive calculation of the pore size, pore shape, gap and curvature is very complicated, and the actual passing capacity of the fluid is related to the shape and shape of the material. It is very difficult to precisely control the size. Computation and control of fluid passage is very easy compared to ordered porous materials. In terms of the mechanical properties of the material, with the same opening ratio, the strength of ordered pore materials is higher than that of disordered pore materials. Due to the bending of the pores, the material with disordered pores is easy to hold dirt, which makes t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/08
Inventor 严伟法
Owner DAYA PRECISION MACHINERY