Cascade fragmentation: deviation from power law in primary radiation damage

Autor:	A. E. Sand, D. R. Mason, A. De Backer, X. Yi, S. L. Dudarev, K. Nordlund
Jazyk:	angličtina
Rok vydání:	2017
Předmět:	Atomistic simulations lattice defects tungsten radiation damage Materials of engineering and construction. Mechanics of materials TA401-492
Zdroj:	Materials Research Letters, Vol 5, Iss 5, Pp 357-363 (2017)
Druh dokumentu:	article
ISSN:	2166-3831 21663831
DOI:	10.1080/21663831.2017.1294117
Popis:	The sizes of defect clusters, produced in materials by energetic ion or neutron impacts, are critically important input for models describing microstructural evolution of irradiated materials. We propose a model for the distribution of sizes of vacancy and self-interstitial defect clusters formed by high-energy impacts in tungsten, and provide new data from in situ ion irradiation experiments to validate the model. The model predicts the statistics of sub-cascade splitting and the resulting distribution of primary defects extending over the entire range of cluster sizes, and is able to provide initial conditions for quantitative multi-scale simulations of microstructural evolution.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/8c22bbc116da4b9f8455a5f91d11162c Zobrazit plný text záznamu View record in DOAJ