Investigation of the relief of the fracture surfaces of epoxy compositions subjected to cyclic loading

Epoxy compositions containing various amounts of plasticizer have been fractured by cyclic loading under conditions of circular cantilever bending. The relief of the fracture surfaces is discussed.Design-Technological Scientific Research Institute, Tallinn. Translated from Mekhanika Polimerov, No. 6, pp. 1014–1017, November–December, 1969.