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Multiscale Modeling Analysis of the Mechanical Behaviors and Failures of In Situ Particle Reinforced Titanium Matrix Composites Based on Microstructural Characteristics. [PDF]
Materials (Basel)Geng X +5 more
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Toughness enhancement of geopolymer stabilized laterites using para rubber latex for sustainable base and subbase applications. [PDF]
Sci RepThanasisathit N +4 more
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Investigation on Damage and Energy Absorption Performance of Aluminum Foam Sandwich Plates Under Low-Velocity Impact. [PDF]
Materials (Basel)Guo K, Zhu Y, Zhou S, Zhu L.
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Ductile Fracture of honeycombs
ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, 2000AbstractCrack growth initiation and subsequent resistance in a hexagonal honeycomb made out of ductile base material is investigated in a numerical study. The elasto‐plastic base material is characterized by its yield strain, failure strain and the ratio of ultimate strength to yield strength, assuming a bilinear stress‐strain relationship. Of the base
Schmidt, I., Fleck, N. A.
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2013
Abstract Ductile fracture results from the application of an excessive stress to a metal that has the ability to deform permanently, or plastically, prior to fracture. Careful examination and knowledge of the metal, its thermal history, and its hardness are important in determining the correct nature of the fracture features.
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Abstract Ductile fracture results from the application of an excessive stress to a metal that has the ability to deform permanently, or plastically, prior to fracture. Careful examination and knowledge of the metal, its thermal history, and its hardness are important in determining the correct nature of the fracture features.
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Ductile Fracture Instability in Shear
Journal of Applied Mechanics, 1958Abstract It is postulated that fracture occurs in an elastic-plastic, nonwork-hardening material subject to pure shear when a critical shear strain is attained throughout a critical volume of material. This postulate is combined with the classical equations of plasticity to predict when cracking will initiate from a notch at nominal ...
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Approximate calculation of fracture ductility and fracture toughness of ductile metals
Materials Science and Engineering: A, 1989Abstract In this paper, the effect of stress states on the fracture ductility and fracture toughness of ductile metals is investigated. A relationship between the fracture ductility and stress triaxiality is derived from a modified damage criterion and is experimentally verified by using circumferentially notched tension specimens, from which an ...
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Mesh‐free simulation of ductile fracture
International Journal for Numerical Methods in Engineering, 2004AbstractThis paper is concerned with mesh‐free simulations of crack growth in ductile materials, which is a major technical difficulty in computational mechanics. The so‐called reproducing kernel particle method, which is a member of the mesh‐free method family, is used together with the Gurson–Tvergaard–Needleman constitutive model for simulation of ...
Simonsen, Bo Cerup, Li, Shaofan
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2009
Introduction Throughout history, there has been a never-ending effort to develop materials with higher yield strengths. However, a higher yield strengths is generally accompanied by a lower ductility and a lower toughness. Toughness is the energy absorbed in fracturing.
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Introduction Throughout history, there has been a never-ending effort to develop materials with higher yield strengths. However, a higher yield strengths is generally accompanied by a lower ductility and a lower toughness. Toughness is the energy absorbed in fracturing.
openaire +1 more source