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Grain boundary strengthening

In materials science, grain-boundary strengthening (or Hall–Petch strengthening) is a method of strengthening materials by changing their average crystallite (grain) size. It is based on the observation that grain boundaries are insurmountable borders for dislocations and that the number of dislocations within a grain has an effect on how stress builds…

Science, Hall Petch relationship & Reverse or inverse Hall Petch relation

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Overview

Theory

Interfacial Energy

Hall Petch relationship

Reverse or inverse Hall Petch relation

Grain refinement

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  • ISBN ISBN (identifier)

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Grain boundary strengthening

Nodes53
Edges52
Triples40
Avg. degree1.96
Density0.037736
Components1

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Grain boundary strengthening

Top relations

related to Grain refinement · 9
Grain boundary strengthening → Al, Al-Ti-B, Al3Sc, Grain, Grains, One, Solute, The, Ti
related to Subgrain strengthening · 8
Grain boundary strengthening → Current, Depending, Fe-based, For, Hall, It, Petch, The
related to Grain Boundary Sliding and Dislocation Transmission · 4
Grain boundary strengthening → Additionally, Higher, Interfacial, The
related to External links · 2
Grain boundary strengthening → Grain, Matlab
related to Grain Boundary Orientation · 2
Grain boundary strengthening → High-angle, In

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Important terminology

grain boundary size boundaries dislocations dislocation hall energy petch grains strengthening stress strength material materials interfacial yield relationship inverse deformation

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
single crystalsinstance ofCoherent grain boundaries are typically observed in materials with small grain sizes or in highly ordered materials0.80text
diffusioninstance ofthey can still affect other properties0.80text
grain growth.When solid solutions become supersaturatedinstance ofthey can still affect other properties0.80text
precipitation occursinstance ofthey can still affect other properties0.80text
tiny particles are formedinstance ofthey can still affect other properties0.80text
particle sizeinstance ofwhich depends on factors0.80text
volume fraction.Partially-coherent Interphase BoundariesA partially coherent interphase boundary is an intermediate type of IPB that lies between the completely coherentinstance ofwhich depends on factors0.80text
non-coherent IPBsinstance ofwhich depends on factors0.80text
dislocationsinstance ofand the formation of a variety of defects0.80text
stacking faultsinstance ofand the formation of a variety of defects0.80text
and grain boundary ledges.The presence of these defects creates a barrier to the motion of dislocationsinstance ofand the formation of a variety of defects0.80text
leads to a strengthening effectinstance ofand the formation of a variety of defects0.80text

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