Deflecting mode-I cracks in anisotropic materials - ScienceDirect
2019年9月1日 · Predicted initial crack deflection angles φ d according to the J-vector and MTS criteria for a mode-I loading (Φ = 0) in an anisotropic material with orthotropy ratio χ; averaged experimental crack deflection angles φ ¯ d vs. the related averaged orthotropy ratio χ ¯ of short fiber reinforced polypropylene composites with and without ...
Fundamental investigation on damage evolution and material …
2024年9月1日 · The evolution of cutting damage and the mechanism of material removal during the machining of anisotropic brittle material are investigated by means of the scratching experiment on single crystal silicon.
Crack growth in anisotropic brittle and polycrystalline materials …
2023年5月1日 · Brittle orthotropic materials are rapidly destroyed once crack propagating because of little plasticity and toughness. Fracture behavior of the orthotropic materials and structures is important to be studied in order to prevent their failure.
Singularities, interfaces and cracks in dissimilar anisotropic media ...
For bonded orthotropic materials, an intuitive choice of the principal measures of elastic anisotropy and dissimilarity is rationalized. A complex-variable representation is presented for a class of degenerate orthotropic materials. Throughout the paper, the equivalence of the Lekhnitskii and Stroh formalisms is emphasized.
Computing the effective crack energy of heterogeneous and anisotropic …
2021年8月29日 · A variety of materials, such as polycrystalline ceramics or carbon fiber reinforced polymers, show a pronounced anisotropy in their local crack resistance. We introduce an FFT-based method to compute the effective crack energy …
Elastic interactions of cracks arbitrarily oriented in a 2-D anisotropic matrix are analyzed. The impact of material's anisotropy on mechanics of interactions is found to be significant.
Elastic and acoustic properties of anisotropic materials ... - Springer
2022年12月2日 · Anisotropy of the host medium and preferable orientation of cracks results in anisotropy of the effective elastic stiffness tensors of these materials. Identification of crack density and orientations is important for oil and gas extraction technology.
Evolution of anisotropic crack patterns in shrinking material layers
2021年9月29日 · Anisotropic crack patterns emerging in desiccating layers of pastes on a substrate can be exploited for controlled cracking with potential applications in microelectronic manufacturing.
Phase-Field Modeling Fracture in Anisotropic Materials
Because of the volumetric-deviatoric energy split, we introduce a novel form of the crack-driving energy to simulate mixed-mode fracture. Furthermore, a new degradation function is proposed to simulate crack processes in brittle materials with different degradation rates.
An Anisotropic Peridynamic Model for Simulating Crack ... - MDPI
2023年12月12日 · In this section, we propose AN-PDLSM, a new method for simulating quasi-static fracture propagation in anisotropic materials, particularly brittle rock, based on the framework of PDLSM and linear elastic fracture mechanics (LEFM). The displacement, strain tensor, and stress tensor are calculated by PDLSM.