Lisnichuk A. Prediction of strength and fracture toughness of cement-matrix composites.

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0417U001213

Thesis Registration Form

0417U001213.pdf

Applicant for

Specialization

  • 01.02.04 - Механіка деформівного твердого тіла

25-01-2017

Specialized Academic Board

Д 35.226.02

Karpenko Physico-Mechanical Institute of NASU

Essay

The work is devoted to modelling the processes of cracking, deformation and fracture of cement-matrix composites reinforced with various types of microfibres. Computational models are developed for prediction of tensile strength, compressive strength and fracture (behaviour) of these composites. The analytical dependences of strength and fracture toughness of the material on the mechanical properties of the phases and their volume content, the matrix porosity characteristics, etc. are obtained. The influence of the material porosity, presence of cracks in it and the volume content of the reinforcing fibers in the composites on their service characteristics are analized.

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