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@prefix sub: <https://w3id.org/np/RAVOJPjCFx5kq6F_GDBiv0ZvjS7QUDkrvPvOzOWxcDX6k/> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix nt: <https://w3id.org/np/o/ntemplate/> .
@prefix npx: <http://purl.org/nanopub/x/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix orcid: <https://orcid.org/> .
@prefix ns1: <http://purl.org/np/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .

sub:Head {
  this: a np:Nanopublication;
    np:hasAssertion sub:assertion;
    np:hasProvenance sub:provenance;
    np:hasPublicationInfo sub:pubinfo .
}

sub:assertion {
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    dct:description "the measure of a material’s resistance to crack growth.";
    rdfs:label "Fracture toughness", "fracture toughness of material";
    rdfs:seeAlso <https://www.sciencedirect.com/topics/engineering/impact-toughness#:~:text=1.10.,the%20surface%20of%20the%20specimen.>;
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}

sub:provenance {
  sub:assertion prov:wasAttributedTo orcid:0009-0002-2913-1293 .
}

sub:pubinfo {
  orcid:0009-0002-2913-1293 foaf:name "Christos Vasileiou" .
  
  this: dct:created "2026-01-28T10:02:30.072Z"^^xsd:dateTime;
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    dct:license <https://creativecommons.org/licenses/by/4.0/>;
    npx:introduces <https://w3id.org/iadopt/variable/FractureToughness>;
    npx:supersedes <https://w3id.org/np/RAIZaYOiTnKLdwG5TnjG8DY8Ral11XHwn42938gaFO774>;
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    nt:wasCreatedFromPubinfoTemplate <https://w3id.org/np/RA0J4vUn_dekg-U1kK3AOEt02p9mT2WO03uGxLDec1jLw>,
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