Thermosets Toughening by Creation of Residual Compressive Stresses

Abstract:

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Toughening of thermosets by creation of residual compressive stresses around microspheres is studied. Expandable hollow micro-spheres containing liquefied gas were used for the creation of residual compressive stresses. Microscopic compressive residual stresses around the micro-spheres in the vicinity of the crack tip were graphically analysed and related to macroscopic mechanical behaviour for mode I fracture. It was confirmed that toughening was due to residual compressive stresses rather post-cure effect.

Info:

Periodical:

Edited by:

Hong-Yuan Liu, Xiaozhi Hu and Mark Hoffman

Pages:

3-8

DOI:

10.4028/www.scientific.net/KEM.312.3

Citation:

H. S. Kim and N. H. Kim, "Thermosets Toughening by Creation of Residual Compressive Stresses", Key Engineering Materials, Vol. 312, pp. 3-8, 2006

Online since:

June 2006

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$35.00

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