A composite material forming pore in-situ characterization device and method and pore optimization forming method

Through the in-situ characterization device and method for composite material forming pores, the pore generation and evolution are characterized in real time online, which solves the problems of complex operation, high cost or strong destructiveness in the existing technology and achieves low-cost pore optimization and performance improvement.

CN119000474BActive Publication Date: 2025-09-16HUAZHONG UNIV OF SCI & TECH
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Patent Information

Application Number
CN202411210194.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-09-16
Estimated Expiration
2044-08-30

AI Technical Summary

Technical Problem

Existing composite material pore characterization methods cannot achieve in-situ characterization of pore generation and evolution while being simple to operate and low-cost. In addition, existing methods have problems such as low precision, expensive equipment, or high destructiveness.

Method used

Provided is an in-situ characterization device for composite material forming pores, including a sample holding device, an in-situ realization device and an analysis and characterization device. The device uses an optical microscope to collect sample images in real time, combines image analysis to obtain the generation and evolution laws of pores, uses a ceramic heating plate to provide curing forming conditions, and combines a temperature measuring instrument and a processor for real-time monitoring and analysis.

Benefits of technology

It realizes the dynamic, real-time and intuitive characterization of pores during the composite material forming process, can accurately reflect the generation and evolution of pores online, provides a theoretical basis for optimizing the forming process, and improves the performance of the finished product.

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Abstract

The present invention belongs to the technical field related to composite material forming, and discloses an in-situ characterization device and method for composite material forming pores and a forming method for pore optimization, wherein the device includes a sample supporting device, an in-situ realization device and an analysis and characterization device, wherein the sample supporting device includes a heating structure, a glass sheet and a sample of the material to be formed, and the sample of the material to be formed is fixedly placed on the heating structure by the glass sheet; the in-situ realization device includes a heating drive structure, and the heating drive structure is used to drive the heating structure to heat up to form curing forming conditions; the analysis and characterization device includes an optical microscope, which is used to collect sample images during the curing forming process to perform in-situ characterization of the formed pores. The device of the present invention is not only simple to operate and low in cost, but can also accurately characterize the generation and evolution of internal pores during composite material forming online, which is beneficial to provide a theoretical basis for the optimization of low-porosity and high-quality forming of composite materials.
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