The polymer materials are characterized by the transition from ductile to brittle fracture with increasing loading rate and decreasing temperature. The brittle fracture susceptibility of the material can be determined on the basis of the critical size of the defect/ crack. The measure of the cracking resistance of plastics can often be represented by the material scale of the crack length. The quality of the critical size of the defect/crack to the material scale of the crack length can be used as a criterion determining the conditions of transition from ductile to brittle fracture.
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Translated from Mekhanika Kompozitnykh Materialov, No. 5, pp. 779–785, September–October, 1988.
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Zezin, Y.P. Conditions of the ductile-brittle transition in failure of polymer materials. Mech Compos Mater 24, 579–585 (1989). https://doi.org/10.1007/BF00608841
- Polymer Material
- Crack Length
- Brittle Fracture