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Optical Interferometry on Crazes in Solvent Vapours at Very Low Pressure in Polymethylmethacrylate.

Published online by Cambridge University Press:  26 February 2011

R. Schirrer  and
G. Galleron
R. Schirrer
Affiliation:
I.C.S, 4, rue Boussingault, F-67000 STRASBOURG.
G. Galleron
Affiliation:
I.C.S, 4, rue Boussingault, F-67000 STRASBOURG.
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Abstract

The fracture toughness and the craze shape of a propagating single crack/craze in polymethylmethacrylate has been measured in a very low pressure toluene gas environment by means of optical interferometry. Below a velocity of 0.01 mm/s the craze size increases up to 4 times the craze size in air, whereas the fracture toughness remains identical to the toughness in air. Above 0.01 mm/s the crack/craze behaves like a crack/craze in air.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 79: Symposium F – Scattering, Deformation and Fracture in Polymers , 1986 , 287
Copyright
Copyright © Materials Research Society 1987

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