Paper Title:
Experiment Research for Fracture Toughness of PAN-Based Carbon Fibers
  Abstract

For the sake of the carbon filaments’ fracture toughness, using the focused ion beam (FIB) to etch the carbon fibers and got different tensile strength, and all specimens were stretched on an Instron-type filaments testing machine and got the samples’ tensile strength, The crack-to-mirror size ratio was assumed as a constant, In virtue of Griffith fracture theory, Fracture toughness (KΙC) of representative high-strength type PAN (polyacrylonitrile)-based carbon fibers, Torayca T300 and T800, were estimated to be 1MPam1/2 from the tensile strength vs. fracture mirror size relation.

  Info
Periodical
Key Engineering Materials (Volumes 462-463)
Edited by
Ahmad Kamal Ariffin, Shahrum Abdullah, Aidy Ali, Andanastuti Muchtar, Mariyam Jameelah Ghazali and Zainuddin Sajuri
Pages
1361-1366
DOI
10.4028/www.scientific.net/KEM.462-463.1361
Citation
B. M. Zhang, Y. F. Wu, "Experiment Research for Fracture Toughness of PAN-Based Carbon Fibers", Key Engineering Materials, Vols. 462-463, pp. 1361-1366, 2011
Online since
January 2011
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Price
$32.00
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