A Novel Method for Evaluation of Fiber Strength Using Fragmentation Test

• KIMURA Souta

  早稲田大学大学院

• KOYANAGI Jun

  早稲田大学理工学術院

• YAMAMOTO Daisuke

  早稲田大学大学院

• KAWADA Hiroyuki

  早稲田大学理工学術院

Bibliographic Information

Other Title

• フラグメンテーション試験を用いた繊維強度評価
• フラグメンテーション シケン オ モチイタ センイ キョウド ヒョウカ

Abstract

A novel method is developed to determine the tensile strength of brittle fibers by means of a single-fiber fragmentation test. The parameters of Weibull distribution obtained from the fragmentation test can vary along with the variation of test condition because the difference of the test condition make the variation of stress recovery length where no fiber breaks can occur. The fragmentation tests with models of carbon fiber-reinforced vinylester and epoxy matrix composites are performed under some loading rates. Fragmentation test under Laser Raman Spectroscopy (LRS) is employed to measure the stress recovery length, and the parameters of Weibull distribution are derived from an analysis considering an effect of the stress recovery length. It is confirmed that the present method provides the constant fiber strength without reference to the difference of matrix and loading rate.

Journal

• Journal of the Japanese Society for Experimental Mechanics

  Journal of the Japanese Society for Experimental Mechanics 6 (2), 122-127, 2006

  The Japanese Society for Experimental Mechanics

Keywords

• Fiber strength
• Fragmentation test
• Stress recovery length and Laser Raman Spectroscopy

Details

• CRID: 1390001205188660352
• NII Article ID: 10018147156
• NII Article ID: 130004489883
• NII Book ID: AA11822914
• DOI: 10.11395/jjsem.6.122
• ISSN: 18844219
• ISSN: 13464930
• NDL BIB ID: 8017862
• Web Site: http://id.ndl.go.jp/bib/8017862
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I8017862
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • CiNii Articles
  • KAKEN
  • Crossref
• Abstract License Flag: Disallowed