Power Spectrum Analysis of Surface Roughness for Paper and Paperboard

Yong Ju Lee; Ji Eun Cha; Hyoung Jin Kim; Byoung Geun Moon

doi:10.7584/JKTAPPI.2023.12.55.6.78

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2023 Vol.55, Issue 6 Preview Page Next Page

Research Article

Power Spectrum Analysis of Surface Roughness for Paper and Paperboard 종이 및 판지 표면 거칠음도의 파워스펙트럼 분석

30 December 2023. pp. 78-85

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Abstract

Surface roughness analysis often yields varying results for the same sample due to different spatial frequency (wave vector) bandwidths of measuring instruments. This study addresses this variability by employing power spectral density (PSD) calculations, which effectively compensate for the limitations of individual instrument bandwidths. Employing a contact method of surface profilometry, roughness profiles across different wavelength ranges were analyzed, and their correlation with standard surface roughness parameters was explored. The implementation of power spectrum analysis on paper and paperboard surface roughness profiles facilitates the segregation of roughness characteristics over diverse wavelength ranges. Results showed that the predominant contributors to the surface roughness of paper and paperboard, such as fibers, fins, and fillers, predominantly fall within 10–1,000 μm.

Keywords

PSD

power spectrum

power spectral density

FFT

fast fourier transform

surface roughness

profilometry

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Information

Publisher :Korea Technical Association of The Pulp and Paper Industry
Publisher(Ko) :한국펄프종이공학회
Journal Title :Journal of Korea TAPPI
Journal Title(Ko) :펄프종이기술
Volume : 55
No :6
Pages :78-85
Received Date : 2023-11-02
Revised Date : 2023-12-11
Accepted Date : 2023-12-13
DOI :https://doi.org/10.7584/JKTAPPI.2023.12.55.6.78

Journal of Korea TAPPI 펄프종이기술 ISSN:0253-3200(Print)

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