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Crystal plasticity finite element model of the brittle–ductile transition temperature and fracture toughness of irradiated A508-3 steel
The brittle–ductile transition temperature (BDTT) and fracture toughness are useful indicators of the brittleness of reactor pressure vessel...
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PREDICTION OF DURABILITY OF A FIBER BUNDLE UNDER UNIAXIAL TENSION ON THE BASIS OF THE THERMAL-FLUCTUATION MODEL OF ITS BRITTLE FRACTURE
AbstractA model is proposed for assessing the durability of a bundle of identical fibers under brittle fracture in a tensile stress region located to...
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Mathematical Model of Brittle Fracture of a Cracked Part
AbstractThe service life and brittle fracture of steel structures at subzero temperatures is predicted with purely empirical methods based on...
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EFFECT OF A LINEAR PARAMETER ON THE BRITTLE FRACTURE OF AN ELASTIC LAYER WITH A CIRCULAR HOLE
AbstractThe effect of a hole radius in an elastic layer on a critical external load at the moment of the onset of fracture, determined by the energy...
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Complexity of crack front geometry enhances toughness of brittle solids
Brittle solids typically fail by growth and propagation of a crack from a surface flaw. This process is modelled using linear elastic fracture...
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Orientation of Fracture in a Brittle Solid under Conventional Triaxial Compression
AbstractWe present a generalization of a scalar nonlinear damage rheology model of a brittle solid to the case of a tensor damage parameter. The main...
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Application of Methods of the Theory of Critical Distances to Estimate the Fracture of Quasi-Brittle Materials with Notches
AbstractThe application of various methods of the theory of critical distances for evaluating the cleavage failure of a quasi-brittle plate with a...
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An Interplay Between the Weakening and Strengthening Effects of Interstitial Water on the Strength of Porous Brittle Solids
The paper is devoted to a study of factors that provide the nonlinear mechanical influence of pore fluid on the stress state, strength, and fracture...
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Analytical Approach to Dynamic Shear Load-Carrying Capacity for Brittle Materials
AbstractSome explicit analytical expressions of the dynamic shear load-carrying capacity for brittle materials under a quadratic waveform loading are...
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Features of Shear Crack Growth Dynamics in Heterogeneous Brittle Materials
The paper is devoted to the study of dynamic growth of shear cracks in brittle materials with various degrees of inhomogeneity of the internal...
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Brittle Fracture of an Elastic Layer with a Defect in the Form of a Circle under Biaxial Loading
AbstractBased on experimental data on the combined loading of an infinite layer weakened by a circular hole in a brittle material, its critical...
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ELASTOPLASTIC FRACTURE OF A PLATE WITH TWO EDGE CRACKS
AbstractThe strength of a rectangular plate with two opening-mode (mode I) edge cracks was studied using the Neuber–Novozhilov approach and a...
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Minimum Test Effort-Based Derivation of Constant-Fatigue-Life Curves - Displayed for the Brittle UD Composite Materials
Series production of safety-relevant structural parts requires a Design Verification (DV) guaranteeing Structural Integrity. This means, it is to...
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Fracture Toughness Characterization of TBCs
Fracture is an issue worthy of attention during the design and use of all engineering materials. Based on the test results for different materials,...
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Fracture of 30CrMnSiA Steel under Mixed-Mode Loads
AbstractNotched 30CrMnSiA steel specimens were exposed to rupture load (mode I) at an angle of 90° between their fracture surface and load direction...
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Refined Engineering Theory of Fracture with a Two-Parameter Strength Criterion
AbstractWe present a refined engineering theory of cracks based on a two-parameter strength criterion. Unlike the basic theory, the refined approach...
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Experimental Evaluation and Phase-Field Model of Fracture Behavior of Alumina-Aluminium Graded Composite
Multilayered metal-ceramic composites belong to the class of functionally graded materials with a step-wise gradient in material composition. These...
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APPLICATION OF THE FINITE FRACTURE MECHANICS APPROACH TO ASSESS THE FAILURE OF A QUASI-BRITTLE MATERIAL WITH A CIRCULAR HOLE
Abstract—The size effect of the strength of structurally inhomogeneous materials is manifested, in particular, in the dependence of the failure load...
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Effect of the Local Stress State on the Fracture Mechanism of Metallic Materials with Different Lattices under Single Loads
AbstractThe study discusses the effect of the local stress state at the crack tip on the fracture behavior of coarse- and ultrafine-grained bcc, fcc...
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How regularization concepts interfere with (quasi-)brittle damage: a comparison based on a unified variational framework
Three regularization concepts are assessed regarding their variational structure and interference with the predicted physics of (quasi-)brittle...
