@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix matsci: <https://w3id.org/matsci-sam/metadata#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening> a skos:Concept ;
  skos:inScheme <https://w3id.org/matsci-sam/vocabulary/mrc> ;
  skos:prefLabel "work hardening"@en ;
  matsci:canonicalDefinition <https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/2> ;
  skos:definition <https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/1/revisions/1> ;
  skos:definition <https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/2/revisions/1> ;
  dcterms:contributor "Christopher Rauch" ;
  dcterms:contributor "gemma4:26b" ;
  dcterms:created "2026-07-20"^^xsd:date .

<https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/1> a matsci:Definition ;
  dcterms:isPartOf <https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening> ;
  matsci:definitionNumber "1"^^xsd:positiveInteger ;
  matsci:currentRevision <https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/1/revisions/1> ;
  dcterms:hasVersion <https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/1/revisions/1> ;
  dcterms:created "2026-07-20T08:51:18.685Z"^^xsd:dateTime .

<https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/1/revisions/1> a matsci:DefinitionRevision ;
  rdf:value "The strengthening of a metal by plastic deformation, caused by dislocation multiplication and entanglement."@en ;
  skos:example "Cold rolling increases the strength of copper sheet through work hardening."@en ;
  dcterms:isVersionOf <https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/1> ;
  prov:specializationOf <https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/1> ;
  dcterms:creator "Christopher Rauch" ;
  matsci:version "1"^^xsd:positiveInteger ;
  matsci:status "proposed" ;
  dcterms:created "2026-07-20T08:51:18.685Z"^^xsd:dateTime .

<https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/2> a matsci:Definition ;
  dcterms:isPartOf <https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening> ;
  matsci:definitionNumber "2"^^xsd:positiveInteger ;
  matsci:currentRevision <https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/2/revisions/1> ;
  dcterms:hasVersion <https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/2/revisions/1> ;
  dcterms:created "2026-07-20T08:51:19.803Z"^^xsd:dateTime .

<https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/2/revisions/1> a matsci:DefinitionRevision ;
  rdf:value "The process by which a ductile metal becomes harder and stronger as it is plastically deformed, occurring due to an increase in dislocation density and the subsequent entanglement of these dislocations, which restricts further lattice movement."@en ;
  skos:example "The machinist noted that the stainless steel drill bit was dulling rapidly due to the intense work hardening experienced during the heavy-duty machining process."@en ;
  dcterms:isVersionOf <https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/2> ;
  prov:specializationOf <https://w3id.org/matsci-sam/vocabulary/mrc/work_hardening/definitions/2> ;
  dcterms:creator "gemma4:26b" ;
  matsci:version "1"^^xsd:positiveInteger ;
  matsci:status "proposed" ;
  dcterms:created "2026-07-20T08:51:19.803Z"^^xsd:dateTime .