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55.879  Articles
1 of 5.589 pages  |  10  records  |  more records»
The strain rate sensitivity (SRS) and dislocation activation volume are two inter-related material properties for understanding thermally-activated plastic deformation, such as creep. For face-centered-cubic metals, SRS normally increases with decreasing ... see more

The paper reports behaviour of magnesium alloy AZ31 (nominal composition 3 % Al - 1 % Zn – balance Mg) with an addition of 0.5 wt. % Ca at high strain rates. Samples were prepared by the squeeze cast technology. Dynamic compression Hopkinson tests were pe... see more

In this work, the interaction between the necking onset and the strain rate sensitivity in tensile tests by Split Hopkinson Tensile Bar (SHTB) is investigated. Results from experiments on a FE360 mild steel done by the authors and experimental data availa... see more

High entropy alloys (HEAs) have attracted widespread interest due to their unique properties at many different length-scales. Here, we report the fabrication of nanocrystalline (NC) Al0.1CoCrFeNi high entropy alloy and subsequent small-scale plastic defor... see more

The mechanical strengths of nano-scale individual crystal or nanopolycrystalline metals, and other dimensionally-related materials are increased by an order of magnitude or more as compared to those values measured at conventional crystal or polycrystal g... see more

Polymeric syntactic foams refer to a class of cellular material created using preformed hollow spheres bound together with a polymeric matrix. These cellular materials possess exceptional ability to respond against high impact dynamic loads. This paper is... see more

Abstract. In this work a macroscopic viscoplastic model, accounting for strain, strain rate hardening and instantaneous rate sensitivity of FCC metals, is formulated. Within the present approach, a single phenomenological internal variable representing an... see more

Yersiniosis is an important zoonosis, causing disease to humans and animals. The available culture methods for detecting Y. enterocolitica in the samples prelevated from different categories of biological products need more time for performing and sometim... see more

The main objective of this paper is to contribute to the development of ultra-high performance fibre reinforced concrete (UHPFRC) with respect to its effective fracture energy. Effective fracture energy was investigated in this paper considering different... see more

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