English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

The influence of process parameters including punch frequency, needle penetration depth and punch times on the fiber distribution and straight segment fiber length of needle punched nonwovens was investigated using the Hough transform method. The results show that punch frequency and punch times have more significant influence on the samples than needle penetration depth. When combining the experimental results with image analysis, the optimum process parameters to prepare needle punched nonwovens based on preoxidized polyacrylonitrile were obtained.

The influence of process parameters on needle punched nonwovens investigated using image analysis