A Novel Approach to Evaluating Surface Homogeneity with Fourier Analysis

Researchers from TU Dresden have developed an innovative method to assess the homogeneity of periodic surface structures, pushing the boundaries of precision in manufacturing processes.

The quality and uniformity of surface textures are critical in industries relying on laser-based manufacturing. Conventional methods often fail to address the specific challenges posed by periodic structures. To overcome this, the team at TU Dresden has introduced a groundbreaking approach combining two-dimensional Fast Fourier Transform (2D FFT) with the Gini coefficient to provide accurate and reliable measurements of surface homogeneity.

Key findings of the study include enhanced measurement accuracy, industrial relevance through faster analysis, and versatility across various materials and surface types. Published as part of the CLASCO project, these findings represent a significant step forward in the evaluation of laser-manufactured surfaces, supporting both quality control and efficient processes in high-tech manufacturing industries.

Link to paper: https:/doi.org/10.2961/jlmn.2024.03.2010 

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