Special Issue "Theory, Experiment and Modelling of the Dynamic Response of Materials"
A special issue of Materials (ISSN 1996-1944).
Deadline for manuscript submissions: closed (15 November 2017).
The area of shock waves and the dynamic behaviour of materials is key to the understanding of impact, blast, and fracture of materials. Many engineering materials are well characterised for normal operations, however, under strong, transient loading, the normal mechanisms of deformation and failure do not have sufficient time to operate. This has many effects: (i) the material appears to be stronger, (ii) inertial forces are significant, and (iii) other, higher-energy mechanisms become significant. As strain rates increase from 10+1 s–1 to above 10+6, the deformation process becomes wave dominated and materials no longer have time to flow laterally: The loading changes from conditions of 1D stress to those of 1D strain.
Such conditions can be found across a range of length scales with planetary impact by asteroids at one extreme and small debris impact, albeit at 15 km s–1, proving a hazard to satellites at the other.
Initial quantitative studies in this area date from the middle of the 19th century, when widespread mechanisation and increased desire to understand and push materials to their limit became of interest to a wide range of scientists and engineers. The period of the early 1950s saw the birth of shock studies as a definite cross-disciplinary area with significant contributions coming from the USA and the Soviet Union.
This Special Issue will present a series of papers where contemporary research in materials under these extreme conditions are addressed. Contributors to this issue will show the need to link theory, accurate experiments, and numerical techniques. The increasing time and spatial resolution of diagnostics opens a window on processes that were previously pure speculation.
Dr. William G Proud
Manuscript Submission Information
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