Modeling of the tensile behaviour of an E-glass fibre reinforced phosphate cement

ACK theory is found feasible to model the tensile behaviour of laminates based on inorganic phosphate cement/E-glass fibre mat, although the moduli in elastic and multiple cracking zone need to be adapted in consideration of 2-D random fibre distribution. The good agreement between experimental and calculated tensile curve shows that the E-glass fiber used in the laminates functions very well as reinforcement in IPC matrix. A parameter K defined in this paper obtained in the post cracking zone appears to be a useful tool to evaluate the quality of the fibre/matrix interface. The result will be helpful in computer aided design of IPC composites.