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Metal fire melted mark quantitative metallography and phase analysis system and method

A quantitative metallographic and physical phase analysis technology, applied in material analysis, material analysis, image analysis, etc. using radiation diffraction, to achieve the effect of being proactive, increasing reliability, improving efficiency and accuracy

Inactive Publication Date: 2018-03-16
黄靖淳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, at present, the identification of the metallographic image of the melt line only relies on visual observation to achieve the purpose of qualitatively describing the characteristics of the melt line

Method used

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  • Metal fire melted mark quantitative metallography and phase analysis system and method
  • Metal fire melted mark quantitative metallography and phase analysis system and method

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Embodiment 1

[0055] Those skilled in the art should know that identifying the grain number, size and other dimensional information of the metallographic structure of the melt mark through image processing can not only make the image analysis process simpler and faster, avoid subjective errors caused by manual evaluation, but also It can quantitatively carry out serialized, systematic and standardized research on fire traces, and promote the improvement of the identification level of melt marks. Therefore, this example takes typical metal fire melt marks as the research object, and based on digital image processing technology, various results are obtained. The average grain diameter, the number of grains, and the grain size level of the melt marks were used to establish a method that can quantitatively analyze and identify the melt marks. The determination of the cause and responsibility has laid an important foundation.

[0056] Such as figure 1 As shown, this embodiment provides a quanti...

Embodiment 2

[0075] Such as figure 2 As shown, the present embodiment provides a method for quantitative metallographic and physical phase analysis of metal fire melt marks, the method comprising the following steps:

[0076] S101, collecting metallographic images of the melt sample;

[0077] S102. Preprocessing the metallographic image;

[0078] S103. Perform threshold calculation, binarization, and denoising on the preprocessed metallographic image, and extract grain boundaries through the eight-chain code method;

[0079] S104. Calculate the number of grains according to the extracted grain boundaries, and use the maximum and minimum values ​​of all connected regions in the X-axis and Y-axis directions as the equivalent diameter of the grains;

[0080] S105. Obtain image features of sample holes, planes and cross-sections through a transmission electron microscope test;

[0081] S106. Preprocessing the image features of the sample holes, planes and cross sections, and combining the ...

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Abstract

The invention discloses a metal fire melted mark quantitative metallography and phase analysis system and method. The system comprises an image collecting module, a first preprocessing module, a crystal boundary extracting module, a first test module, a second preprocessing module, a first analysis module, a second analysis module, a second test module, a second test module, a judgement module andan output module. The quantitative assessment analysis can be performed on the morphology, the element ingredient, the phase ingredient, the crystal particle number and the crystal particle size of metal fire melted marks, so that the fire evidence identification efficiency and accuracy are improved; according to regional melted mark transmission electron microscopy test and X-ray diffractive phase analytical instrument test, data mining and image processing machines can be used for recognition; the microscopic geometry size, the morphological characteristics, the regional element ingredientand structure, the phase ingredient and the phase ingredient distribution rule of the metal fire melted marks in different firing modes are uncovered; the serialized, systematized and standardized study on the fire marks is realized.

Description

technical field [0001] The invention relates to a metallographic and physical phase analysis system and method, in particular to a quantitative metallographic and physical phase analysis system and method for metal fire melt marks, belonging to fire evidence identification technology. Background technique [0002] The production and economic development of human society are more and more threatened by fire while bringing convenience to life. The intensity of fire is positively correlated with the degree of economic development. The "Fire Protection Law of the People's Republic of China" has made it clear that the principles of seeking truth from facts and respecting science should be adhered to, the investigation of fire accidents should be strengthened and standardized, the cause of fire should be investigated and determined, the fire loss should be assessed, and the responsibility for fire accidents should be ascertained. The fire investigation report of the Ministry of Pu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/02G01N15/14G01N23/20G01N23/207G06T7/13G06T7/155G06T7/62
CPCG01N15/0227G01N15/1429G01N23/20083G01N23/207G01N2015/1486G06T7/13G06T7/155G06T7/62
Inventor 黄靖淳
Owner 黄靖淳
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