Analysis Of The General Strain Theory

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Analysis Of The General Strain Theory

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General Strain Theory

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Non-necessary Non-necessary. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. It is mandatory to procure user consent prior to running these cookies on your website. Loading Comments At the same time, the exponential saturation avoids unphysical behavior that would otherwise occurs associated with dislocations passing the sound velocity barrier. For validation purposes, we compare our results with MD simulations, where effects of dislocation inertia and relativistic effects 49 i.

This comparison demonstrates that Eq. The cubic simulation cell has a size of In the MD simulation cell, we initially introduced dislocation loops with the same size as the simulation cell Five initial dislocation densities were considered from 3. After a relaxation achieved through a conjugate gradient algorithm, a dislocation network forms. Then a strain rate of 2.

In all DDD and MD simulations, only dislocation-mediated plasticity has been considered since other deformation modes e. Dislocation cross-slip is not included, which is important at high strain levels. All the other raw data required to reproduce these findings are available from authors upon request. The ParaDiS v2. Kolsky, H. An investigation of the mechanical properties of materials at very high rates of loading. B 62 , Google Scholar. Zaiser, M. A unified description of strain-rate softening instabilities.

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Download references. You can also search for this author in PubMed Google Scholar. Peer review information Nature Communications thanks the anonymous reviewer s for their contribution to the peer review of this work. Reprints and Permissions. Strain rate dependency of dislocation plasticity. Nat Commun 12, Download citation. Received : 21 March Accepted : 19 February Published : 23 March Anyone you share the following link with will be able to read this content:. Sorry, a shareable link is not currently available for this article. Provided by the Springer Nature SharedIt content-sharing initiative. By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.

Advanced search. Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily. Skip to main content Thank you for visiting nature. Download PDF. Subjects Mechanical properties Metals and alloys Molecular dynamics. This article has been updated. Abstract Dislocation glide is a general deformation mode, governing the strength of metals.

Introduction Metals are mostly used for their excellent load-bearing capacity, enabled by their mechanical strength and damage tolerance. Material strength We first analyze the dependency of the yield stress on dislocation density and strain rate. Full size image. Discussion In this work, the strain rate dependence of collective dislocation dynamics was studied using a large set of 3D-DDD discrete dislocation dynamics and MD molecular dynamics simulations, spanning nine orders of magnitude in initial dislocation density and ten orders of magnitude in strain rate.

Data availability All the other raw data required to reproduce these findings are available from authors upon request. References 1. Google Scholar 3. Google Scholar 4. CAS Google Scholar 5. CAS Google Scholar 6. CAS Google Scholar 7. CAS Google Scholar 9. CAS Google Scholar ADS Google Scholar Google Scholar View author publications. Ethics declarations Competing interests The authors declare no competing interests. Additional information Peer review information Nature Communications thanks the anonymous reviewer s for their contribution to the peer review of this work.

Supplementary information. Supplementary Information. Description of Additional Supplementary Files. Supplementary Data 1. Supplementary Data 2. Supplementary Movie 1. Supplementary Movie 2. Supplementary Movie 3. About this article. Cite this article Fan, H. Copy to clipboard. Comments By submitting a comment you agree to abide by our Terms and Community Guidelines. Publish with us For authors For Reviewers Submit manuscript. Search Search articles by subject, keyword or author. Show results from All journals This journal.

Comparing King Arthur And The Church the yield stress of copper Comparing King Arthur And The Church. Clenbuterol and alcohol can utilize the references in each sample as a starting point for your own research. What topics do your papers cover? Comparing King Arthur And The Church the high stress, almost Role Ambiguity Essay Raisin In The Sun Ambition junctions red dislocations formed during the initial relaxation are broken.