Method for analyzing fracture microscopic surface morphology through a 3D printing technology and application of the method

A surface topography and 3D printing technology, which is applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of fracture analysis and analysis technology that is not intuitive enough for three-dimensional observation and analysis

Pending Publication Date: 2019-04-12
可脉检测(南京)有限公司
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Problems solved by technology

[0005] Technical problem: In order to solve the problem that the existing fracture analysis technology is not intuitive enough for three-dimensional observation and analysis, the present invention provides a method for analyzing the microscopic surface morphology of fracture through 3D printing technology and its application

Method used

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  • Method for analyzing fracture microscopic surface morphology through a 3D printing technology and application of the method
  • Method for analyzing fracture microscopic surface morphology through a 3D printing technology and application of the method
  • Method for analyzing fracture microscopic surface morphology through a 3D printing technology and application of the method

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Embodiment

[0037] Taking the fracture of a magnesium alloy tensile part as an example, the method of the present invention is used to obtain the microscopic surface topography model of the fracture of a magnesium alloy tensile part:

[0038] Step 1: Data Acquisition:

[0039] Collect pictures of magnesium alloy tensile micro-fracture morphology: use Leica digital microscope DVM6, (1) power-on calibration: double-click to open the software, and click "take" to enter the observation interface. (2) White balance: put a piece of white paper on the stage, drag the right mouse button on the window to select an area, and click the "White Balance" option. (3) Capture pictures: light adjustment is firstly to set the "camera" as standard, and "light brightness adjustment" to set the ring light and coaxial light under coordinated lighting. get as figure 1 The microstructure of the magnesium alloy fracture shown (4) 3D depth of field superposition: under the medium magnification lens, the maximum ...

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Abstract

The invention provides a method for analyzing fracture microscopic surface morphology through a 3D printing technology and application of the method. The method comprises the following steps that a digital microscope is combined with computer software to obtain three-dimensional coordinate values of all points on a profile line of the microscopic surface morphology of a material fracture, and after the three-dimensional coordinate values of all the points are completely generated into point clouds, data storage is conducted; Performing reverse coordinate modeling on the stored data to draw a three-dimensional data model of the microscopic surface morphology of the material fracture; Printing the three-dimensional data model layer by layer by using a 3D printer to form a solid model of themicroscopic surface morphology of the material fracture; and carrying out material fracture failure analysis by utilizing the solid model. According to the method, the defect that fracture surface topography failure analysis by applying macroscopic observation and a microscope is not comprehensive, three-dimensional and visual enough is effectively overcome, more effective, visual and three-dimensional microstructure analysis is carried out on the cause of fracture cracks, and internal reasons for forming the cracks can be visually understood.

Description

technical field [0001] The invention belongs to the technical field of fracture failure analysis, and in particular relates to a method for analyzing the microscopic surface morphology of a fracture through 3D printing technology and its application. Background technique [0002] The failure analysis of mechanical products is comprehensive: it involves technologies in different fields, such as metal physics, strength and fracture, tribology, corrosion, surface science, material science, melting, processing, reliability technology engineering, etc. The application of computer for failure analysis will greatly improve the accuracy and reliability of the analysis. Using computer to analyze failure can eliminate the limitations and misjudgments caused by the lack of experience, quality and means of failure analysis staff. Computer data processing, image processing and signal analysis provide the basis for the research of quantitative failure analysis. The experience of failure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 东野生栓李士臣邱俊卫李士忠周顺利
Owner 可脉检测(南京)有限公司
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