A study on the fracture morphology of brittle fibers under different strain rates-Reference-Cited by-同舟云学术

A study on the fracture morphology of brittle fibers under different strain rates

Published:2010-10-27 Issue:5 Volume:45 Page:591-596
ISSN:0021-9983
Container-title:Journal of Composite Materials
language:en
Short-container-title:Journal of Composite Materials

Author:

Wen Huang ¹,Zhongwei Huang ²

Affiliation:

1. College of Civil Engineering, Shenzhen University, Shenzhen 518060, China,

2. College of Civil Engineering, Shenzhen University, Shenzhen 518060, China

Abstract

Three kinds of brittle fibers (SiC fiber, glass fiber, and carbon fiber) were tensioned to fracture at both quasi-static and dynamic loading rates. Scanning electron microscope observations of the morphology of the fracture surfaces show two distinct fracture modes for all three fibers. The mode of fracture changes with the loading rate, in a way that correlates with the stain-rate dependence of the fiber strength. Based on this observation, we explore the effects of fracture mode on the strength of brittle fibers, and discuss the pertinence of this observation to classical fiber strength theories, including the ‘weakest link’ principle and the Weibull strength distribution theory.

Publisher

SAGE Publications

Subject

Materials Chemistry,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/0021998310376113

Reference8 articles.

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4. The evaluation of the strength distribution of silicon carbide and alumina fibres by a multi-modal Weibull distribution

5. Argon AS Brittle fracture. In: McClintock FA, Argon AS (eds) Mechanical behavior of materials. Reading, MA: Addison Wesley, 1966, Chapter 15, pp.500-504.

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