Abstrakt: Relations between crack opening displacement (CTOD) and other fracture mechanics parameters are of a great importance in fracture mechanics. The basic aim of t [...]

A substantial number of experimentally based works indicate the changes in crack propagation direction on bi-material interface in composite laminate materials. The paper [...]

This contribution presents a simple numerical model for crack growth under mode-I compressive fatigue loading. Residual tensile stress at the crack tip, which is responsi [...]

This contribution deals with deriving a fourth-order differential equation of the beams deflection with longitudinal variation of material properties. The linear beam the [...]

Abstrakt: A stability criterion based on generalized strain energy density factor for a crack terminating at the bi-material inteiface is suggested. The strain energy den [...]

Singular cases - singularities of the robot are defined as positions in which the robot loses kinematic definiteness. The loss appears in both direct and inverse kinemati [...]

Physical and chemical changes in quasibrittle materials loaded with high temperature affect the fracture mechanical behavior of structures. Threepoint bending tests of no [...]

The occurrence of deformation twins in the ductile-to-brittle transition (DBT) temperature region were observed under different testing conditions. Mechanical twinning c [...]

The fatigue crack growth rate in the Eurofer 97 steel was measured by two different methodologies. Small crack growth data were obtained using cylindrical specimens with [...]

Abstrakt: The integral concepts for calculation of the generalized stress intensity factor and elastic T stress are presented. Both the integrals are based on a validity [...]

A 3D elastic-plastic FEM model with small strains was used for simulation of the deformation mechanics at the curved front of the planar fatigue crack growing in the thic [...]

Presented paper is concerned with the numerical modeling of quasibrittle materials such as concrete. Brancherie and Ibrahimbegovic are authors of a simple model capable o [...]

This paper presents a simulation of 3D curved crack propagation in a steam turbine blade lock. These fatigue cracks are often initiated near a blade root contact zone. Tw [...]

The stability criteria of V-notched bodies under combination of loading modes I and II are suggested and compared in the article. Methodology of stability criterion sugge [...]

This paper is focused on fracture energy which belongs to the basic fracture-mechanical characteristics of quasi-brittle materials. This parameter is explored here from t [...]

Abstrakt:

Three point bending test of central notched specimen is used for determination of fracture properties of concrete, mortar and hardened cement paste. The properties – e. [...]

Presented paper deals with fracture behaviour of carbon fibre reinforced composites on the basis of Portland (PC) and alumina (HC) cement. Carbon fibres can be used for [...]

A two-parameter fracture mechanics method is applied to small cracks near a stress concentrator. The small crack in the present contribution is considered as crack influe [...]

In this paper is solved a 3D analysis of growing crack of the chevron notched three-point-bending specimen. On macroscale the specimen body is modeled as an elastic homog [...]

The contribution deals with the 3D analysis of the chevron notched three point bending specimen which is used to determine the fracture toughness of brittle matrix compos [...]

The basic fracture properties of cement-based composite are ascertained on the basis of test evaluations of the specimens in suitable test configurations. Three-point ben [...]

The aim of this paper is to investigate the beginnings of crack propagation from sharp V-notches. Stress distribution around the tip of a V-notch is described on the basi [...]

Under the consideration of the bi-material notch composed of two orthotropic materials the potential direction of the crack initiated from the notch tip is determined fro [...]