High-melting-point Kelvin structure lattice metal as well as preparation method and application thereof

A high-melting-point metal and high-melting-point technology, applied in metal processing equipment, manufacturing tools, casting molding equipment, etc., can solve the problems of narrow application range of lattice metal, insufficient strength and temperature resistance, etc., to ensure high temperature strength and release The effect of eliminating, high strength, and expanding the application space

Active Publication Date: 2021-02-12
SHENYANG RES INST OF FOUNDRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another object of the present invention is to solve the problem that the application range of lattice metals is narrow due to insufficient strength and temperature resistance of lattice materials based on low-melting-point metals. Bulk materials, finally prepared high melting point Kelvin structure lattice metal, broaden the breadth and depth of lattice metal application

Method used

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  • High-melting-point Kelvin structure lattice metal as well as preparation method and application thereof
  • High-melting-point Kelvin structure lattice metal as well as preparation method and application thereof
  • High-melting-point Kelvin structure lattice metal as well as preparation method and application thereof

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Embodiment 1

[0036] This embodiment is to design and prepare a Kelvin structure lattice metal with a porosity of 58% and 304 stainless steel as a matrix;

[0037] Such as Figure 1a As shown, it is a design model of a Kelvin structure lattice metal unit. The Kelvin structure lattice metal unit adopts a three-dimensional modeling software for adaptive design of a casting process, and a three-dimensional Kelvin structure lattice metal unit 100 with a prism 101 as a main body is designed. Its prism 101 diameter is 2mm, and prism 101 length is 2.4mm, and prism aspect ratio is 1.2, and Kelvin structure lattice metal three-dimensional design model, as Figure 1b As shown, the outer contour size of the high-melting point Kelvin structure lattice metal design model is 48×27×27 mm, and the porosity is 58%.

[0038] Such as figure 2 As shown, it is a flow chart of the preparation process of high melting point Kelvin structure lattice metal, which uses indirect 3D printing combined with precision c...

Embodiment 2

[0046] This embodiment is to design and prepare a Kelvin structure lattice metal with 304 stainless steel as the matrix with a porosity of 82%;

[0047] The Kelvin structure lattice metal unit adopts three-dimensional modeling software to carry out adaptive design of the casting process, and designs a three-dimensional Kelvin structure lattice metal unit 100 with prism 101 as the main body. The diameter of the prism 101 is 3 mm, and the length of the prism 101 is 6 mm. The aspect ratio of a prism is 2. The outer contour size of the three-dimensional design model of the high melting point Kelvin structure lattice metal is 119×68×68 mm, and the porosity is 82%.

[0048] Such as figure 2 As shown, it is a flow chart of the preparation process of high melting point Kelvin structure lattice metal, which uses indirect 3D printing combined with precision casting process to prepare 304 stainless steel as the matrix Kelvin structure lattice metal, including the following steps:

[0...

Embodiment 3

[0056] This embodiment is to design and prepare a Kelvin structure lattice metal with 304 stainless steel as the matrix with a porosity of 88%;

[0057] The Kelvin structure lattice metal unit adopts three-dimensional modeling software to carry out adaptive design of the casting process, and designs a three-dimensional Kelvin structure lattice metal unit 100 with a prism 101 as the main body. The diameter of the prism 101 is 10 mm, and the length of the prism 101 is 30 mm. The aspect ratio of the prism is 3.0. The outer contour size of the three-dimensional design model of the high-melting point Kelvin structure lattice metal is 594×339×339mm, and the porosity is 92%.

[0058] Such as figure 2 As shown, it is a flow chart of the preparation process of high melting point Kelvin structure lattice metal, which uses indirect 3D printing combined with precision casting process to prepare 304 stainless steel as the matrix Kelvin structure lattice metal, including the following ste...

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Abstract

The invention discloses high-melting-point Kelvin structure lattice metal as well as a preparation method and application thereof, and belongs to the technical field of lattice metal preparation. Theproblems that the application working condition is limited due to the fact that anisotropy generally exists in an existing lattice metal unit structure and the application range is narrow due to low-melting-point lattice metal are solved. According to the high-melting-point Kelvin structure lattice metal as well as the preparation method and the application thereof provided by the invention, adaptive design of a casting process is carried out on the basis of Kelvin structure lattice units, a novel ceramic preform material with high-temperature strength and removal performance is developed, andhigh-melting-point Kelvin structure lattice metal is prepared by combining indirect three-dimensional (3D) printing with a precision casting process. The high-melting-point metal is mainly made of steel and iron materials and a high-temperature alloy. The high-melting-point Kelvin structure lattice metal prepared by the method has isotropic mechanical properties, and has higher strength, rigidityand temperature resistance, and the application space of the lattice metal is greatly expanded.

Description

technical field [0001] The invention belongs to the technical field of lattice metal preparation, and in particular relates to a lattice metal with a high melting point Kelvin structure and a preparation method thereof. Background technique [0002] Lattice metal, as a kind of porous metal, gets its name because it has a periodic and ordered structure and is similar to a crystal lattice configuration. In 2001, inspired by the research on the mechanical behavior and deformation modes of porous metal foam, Professor Evans of the University of California, Professor Ashby of the University of Cambridge, Professor Gibson of the Massachusetts Institute of Technology, and Professor Hutchinson of Harvard University proposed the concept of lightweight lattice structure. Lattice metal has the structural characteristics of light weight, high specific strength and high specific stiffness, as well as functional properties such as vibration and noise reduction, buffering and energy absorp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D18/06B22C9/04B22C7/02C22C1/08C22C33/04B33Y10/00
CPCB22D18/06B22C9/04B22C7/02C22C1/08C22C33/04B33Y10/00C22C1/082Y02P10/25B22D25/005B22D25/02B33Y80/00
Inventor 于波魏彦鹏杨全占时坚税国彦高鹏成京昌苗治全
Owner SHENYANG RES INST OF FOUNDRY
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