Grain Boundary Sliding and Amorphization are Responsible for the Reverse Hall-Petch Relation in Superhard Nanocrystalline Boron Carbide.
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DOI: 10.1103/physrevlett.121.145504
Abstract: The recent observation of the reverse Hall-Petch relation in nanocrystalline ceramics offers a possible pathway to achieve enhanced ductility for traditional brittle ceramics via the nanosize effect, just as nanocrystalline metals and alloys. However, the… read more here.
Keywords: petch relation; reverse hall; hall petch;
Effect of Recovery and Recrystallization on the Hall–Petch Relation Parameters in Submicrocrystalline Metals: II. Model for Calculating the Hall–Petch Relation Parameters
Sign Up to like & getrecommendations! Published in 2018 at "Russian Metallurgy (Metally)"
DOI: 10.1134/s0036029518050051
Abstract: A model is developed to calculate the Hall–Petch relation parameters for the submicrocrystalline (SMC) metals fabricated by severe plastic deformation (SPD) methods. The model is based on the assumption that the flow stress in SMC… read more here.
Keywords: relation parameters; petch relation; hall petch;
Effect of Recovery and Recrystallization on the Hall–Petch Relation Parameters in Submicrocrystalline Metals: III. Model for the Effect of Recovery and Recrystallization on the Hall–Petch Relation Parameters
Sign Up to like & getrecommendations! Published in 2018 at "Russian Metallurgy (Metally)"
DOI: 10.1134/s0036029518090069
Abstract: A theoretical model is developed to describe the influence of recovery and recrystallization on the macroelastic limit, the yield strength, and the grain-boundary hardening coefficient of the submicrocrystalline (SMC) metals fabricated by severe plastic deformation.… read more here.
Keywords: relation parameters; recovery recrystallization; petch relation; hall petch ... See more keywords
Hall–Petch Relation and the Localized Plasticity Parameters
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DOI: 10.1134/s0036029520040370
Abstract: Abstract The mechanical properties and the localized plasticity characteristics of polycrystalline aluminum are compared to explain the nature of the Hall–Petch relation for the deformation of a polycrystalline metal in two grain size ranges. The… read more here.
Keywords: hall petch; localized plasticity; petch relation; relation localized ... See more keywords