Relationships between fracture parameters and fracture surface roughness of brittle polymers

K. Arakawa; K. Takahashi

doi:10.1007/BF00018393

Relationships between fracture parameters and fracture surface roughness of brittle polymers

K. Arakawa, K. Takahashi

Renewable Energy Center

Research output: Contribution to journal › Article › peer-review

84 Citations (Scopus)

Abstract

Fracture parameters such as crack velocity à, stress intensity factor K_d and a specific crack extension resistance R^* were measured for Homalite-100, PMMA and epoxy in the course of fast crack propagation using a Cranz-Schardin type high speed camera. Fracture surface roughness λ was evaluated as a function of crack length a so that it could be correlated with the fracture parameters above. The results showed that none of those parameters could be uniquely related to λ. Instead, there was a good correlation between λ and a product R^*à.

Original language	English
Pages (from-to)	103-114
Number of pages	12
Journal	International Journal of Fracture
Volume	48
Issue number	2
DOIs	https://doi.org/10.1007/BF00018393
Publication status	Published - Mar 1 1991

All Science Journal Classification (ASJC) codes

Computational Mechanics
Modelling and Simulation
Mechanics of Materials

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AB - Fracture parameters such as crack velocity à, stress intensity factor Kd and a specific crack extension resistance R* were measured for Homalite-100, PMMA and epoxy in the course of fast crack propagation using a Cranz-Schardin type high speed camera. Fracture surface roughness λ was evaluated as a function of crack length a so that it could be correlated with the fracture parameters above. The results showed that none of those parameters could be uniquely related to λ. Instead, there was a good correlation between λ and a product R*à.

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