Research method of controllable forming mechanism of polymer surface microstructure based on phase field model

Abstract

The invention discloses a method for researching the controllable forming mechanism of polymer surface microstructure based on a phase field model, comprising the steps of: S1, putting a sample, that is, a polymer material, at a certain temperature and heating it to reach a molten state; S2, performing the melting state Apply an electric field to the polymer under the ground, and induce the microstructure of the polymer surface to form various array structures by patterning the electrode plate and setting different electric field strengths, and obtain the morphological changes of the polymer surface microstructure in different periods; S3, establish an electric field to induce polymerization A system model of the microstructure of the surface of the object; S4. Compile the differential equation in the model to obtain simulation data, and import the simulation data into the visualization software for image display, and obtain corresponding simulation results. The invention utilizes simulation to simulate the dynamic process of electric field-induced microstructure formation on the polymer surface, more intuitively observes the formation change of the polymer surface structure, and studies the influence of the electric field shape, parameters, air gap, polymer film thickness, etc. on the experiment.

Description

technical field [0001] The invention belongs to the field of micro-nano technology, and in particular relates to a research method for the controllable forming mechanism of polymer surface microstructure based on a phase field model. Background technique [0002] As a method of controlling friction and wear, the micro-texture on the surface can effectively improve the tribological properties of the surface of the friction pair, increase the load-carrying capacity, and prolong the service life. According to different needs, using soft materials to process micro-textured surfaces with similar special functions will have a certain positive effect on the development of society and the progress of science. [0003] At present, the research on surface micro-textures mostly focuses on hard materials and pit micro-textures, while the research on the friction and wear characteristics of soft materials and convex micro-textures is still lacking; at the same time, the existing surface ...

AI Technical Summary

Problems solved by technology

Electric field-induced surface forming has gradually become a research hotspot due to its high-efficiency and simple processing advantages. However, most of the current research is experimental and lacks a theoretical basis for simulation, so it is impossible to control the precision of polymer micro-nano structure forming.

The existing simulation research results fail to explain the material forming law, that is, the mechanism of the action of parameters such as electric field strength and air gap on the polymer

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