Characterization of piercing damage in CFRP cross-ply laminates after punch shear machining via impact loading

Shinya Matsuda, Kohei Mabe, Keiji Ogi, Shigeki Yashiro, Yoshifumi Kakudo

研究成果: Contribution to journalArticle査読

抄録

In industrial processes, piercing and trimming are essential because composite structures are usually manufactured in a near-net shape to reduce machining operations. Punching and shear cutting using out-of-plane shear loading are expected to increase productivity. Nevertheless, little is known about the effects of such operations on polymer-matrix composites. This study presents on the characterization of piercing damage in typical carbon fiber reinforced plastic (CFRP) cross-ply laminates [0°2/90°2]s after punching using quasi-static (QS) and drop-weight impact (DWI) loadings. During QS punching, the upper and lower ply interfaces delaminate due to the high shear stress to cut fibers and gradual shear deformation in the middle ply; however, during DWI punching at a low impact velocity, delamination of the lower ply interface can be reduced due to the localization of shear deformation, as compared to that in QS punching. Finally, the damage accumulation process during DWI punching is discussed.

本文言語英語
ページ(範囲)4111-4124
ページ数14
ジャーナルJournal of Composite Materials
55
28
DOI
出版ステータス出版済み - 12 2021

All Science Journal Classification (ASJC) codes

  • セラミックおよび複合材料
  • 材料力学
  • 機械工学
  • 材料化学

フィンガープリント

「Characterization of piercing damage in CFRP cross-ply laminates after punch shear machining via impact loading」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル