Stress analysis and failure characterizations of v-shaped epoxy adhesively bonded joint
Mohd Afendi, Rojan, Dr.
Mohd Shukry, Abdul Majid
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This paper deals with stress and failure characteristics of V-shaped epoxy adhesive joint. Effect of scarf angle upon failure morphology was investigated by tensile test and monitoring using high speed camera. V-shaped specimens were fabricated having bond thicknesses, t = 1.0 mm and various scarf angles (i.e. θ = 30˚, 45˚, 60˚, 75˚, and 90˚). From failure surface observation, failure morphology can be divided into 5 types consisting of interface failure and/or cohesive failure. Stress singularity plays a major role in failure morphology where higher singularity favors cohesive failure in the specimens tested.