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Method and device for calculating polymer degradation strength based on strength phase diagram

A polymer and strength technology, which is applied in the calculation method and device field of polymer degradation strength, can solve the problems of difficulty in analyzing and calculating strength, and can not be found, and achieve the effect of simple calculation method

Active Publication Date: 2019-10-15
UNIV OF SCI & TECH BEIJING
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Under the continuous exploration and research of many scientific researchers, the influence of crystallization, voids, molecular weight and composition size on the strength has not yet been found. Therefore, the analysis and calculation of the strength is facing great difficulties and challenges.

Method used

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  • Method and device for calculating polymer degradation strength based on strength phase diagram
  • Method and device for calculating polymer degradation strength based on strength phase diagram
  • Method and device for calculating polymer degradation strength based on strength phase diagram

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Embodiment Construction

[0029] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0031] For the convenience of description, the above devices are described by dividing their functions into various units / modules and describing them separately. Of course, when implementing the present invention, the functions of each unit / module can be implemented in one or more pieces of software and / or hardware.

[0032] like figure 1 Shown, be the calculation method of the polymer degradation strength of a kind of strength phase diagram based on the present invention, comprise:

[0033] Step 1, read the intens...

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Abstract

The embodiment of the invention discloses a method and device for calculating polymer degradation strength based on an intensity phase diagram. The method comprises the following steps: step 1, reading an intensity phase diagram of a polymer to be calculated; step 2, starting to traverse from the origin of coordinates of the intensity phase diagram, and judging the intensity state of a cell on each pixel point; step 3, according to a neighbor-boundary expansion algorithm, carrying out hole and crack identification on an area formed by the pixel points in the same intensity state in the phase diagram, and obtaining area and density of holes and cracks in the areas in different intensity states; step 4, calculating the strength of the cells in different strength states according to the areaand the density of the holes and the cracks in the areas in different strength states and a pre-established strength calculation model; and step 5, calculating the total strength of the polymer according to the strength of the cells in different strength states.

Description

technical field [0001] The invention relates to the field of degradable high polymer materials, in particular to a method and device for calculating the degradation strength of polymers based on the strength phase diagram. Background technique [0002] Recently, with the continuous development of medicine and the maturity of medicine, degradable polymer materials have also been developed. New medical products made of PLA and its copolymers spew out, especially on tissue scaffolds, which are recognized by social researchers and doctors as tissue scaffolds. The support strength when degraded is comparable to that of human tissues. Therefore, the research on the change of material degradation strength has become the most active topic of current research. The research on the degradation process of materials is gradually in-depth, not overnight. Zygourakis proposed to use the randomness of Monte Carlo to establish a mathematical model to simulate the release of drugs attached t...

Claims

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Application Information

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IPC IPC(8): G06F17/50G16C60/00
CPCG16C60/00G06F2111/10G06F30/20
Inventor 张桃红朱玲玲赵悦阿孜古丽张德政
Owner UNIV OF SCI & TECH BEIJING
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