نتایج جستجو برای: quasi brittle material
تعداد نتایج: 450822 فیلتر نتایج به سال:
The fragmentation of alumina and glass plates due to lateral impact is studied. A few hundred plates have been fragmented at different impact velocities and the produced fragments are analyzed. The method employed in this work allows one to investigate some geometrical properties of the fragments, besides the traditional size distribution usually studied in former experiments. We found that, al...
One of the key issues associated with using of composites in various applications is their tensile behavior. The tensile behavior of a composite material is strongly influenced by the properties of its constituents and their distribution. This paper focuses on gaining some insights into the tensile process of pure and hybrid woven composite reinforced with brittle and ductile yarns. For this pu...
Silicon carbide (SiC) is one of the advanced engineered ceramic materials designed to operate in extreme environments. One of the main reasons for the choice of this material is due to its excellent electrical, mechanical or optical properties that benefit the semiconductor, MEMS and optoelectronic industry respectively. Manufacturing this material is extremely challenging due to its high hardn...
The design of various engineering structures, such as buildings, infrastructure, aircraft, ships, as well as microelectronic components and medical implants, must ensure an extremely low probability of failure (such as 10 6) during their service lifetime. Such a low probability is beyond the means of histogram testing. Therefore, one must rely on some physically based probabilistic model for th...
In this article, we developed a thermodynamically consistent non-local microcracking model for quasi-brittle materials with application to concrete. The is implemented using novel graph-based finite element analysis (GraFEA) approach that allows (i) the probabilistic modeling of growth and coalescence microcracks, (ii) crack closure kinematics-based approach, (iii) rate effects on microcracking...
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