R. V. Lukashov, A. A. Gruzdkov, G. A. Volkov, E. S. Ostropiko, N. A. Kazarinov, R. R. Valiev, Y. V. Petrov
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引用次数: 0
Abstract
Coarse-grained and fine-grained M1 copper is experimentally investigated using a new methodology for processing the results of anvil impact tests. Dynamic test data are supplemented by yield strength measurements in static tests and microstructural studies before and after impact testing. Key parameters characterizing the material response to high-speed loading are evaluated within the incubation time approach, which provides new insights into the dynamic behavior of copper with different grain structures. Comparison is made between the results of classical Taylor tests and the data derived within the new approach, which allows the yield strength to be predicted under both impulse and high-speed loading. It is shown that coarse-grained or fine-grained specimens can exhibit higher strength depending on the loading rate.
期刊介绍：
The journal provides an international medium for the publication of theoretical and experimental studies and reviews related in the physical mesomechanics and also solid-state physics, mechanics, materials science, geodynamics, non-destructive testing and in a large number of other fields where the physical mesomechanics may be used extensively. Papers dealing with the processing, characterization, structure and physical properties and computational aspects of the mesomechanics of heterogeneous media, fracture mesomechanics, physical mesomechanics of materials, mesomechanics applications for geodynamics and tectonics, mesomechanics of smart materials and materials for electronics, non-destructive testing are viewed as suitable for publication.
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