June 24, 2020 Journal article Open Access

BARTOLOMEO COPPOLA; TARDIVAT CAROLINE; RICHAUD STEPHANE; TULLIANI JEAN-MARC; MONTANARO LAURA; PALMERO PAOLA

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  <identifier identifierType="URL">https://zenodo.org/record/3906070</identifier>
  <creators>
    <creator>
      <creatorName>BARTOLOMEO COPPOLA</creatorName>
      <affiliation>POLITO</affiliation>
    </creator>
    <creator>
      <creatorName>TARDIVAT CAROLINE</creatorName>
      <affiliation>SAINT-GOBAIN</affiliation>
    </creator>
    <creator>
      <creatorName>RICHAUD STEPHANE</creatorName>
      <affiliation>SAINT-GOBAIN</affiliation>
    </creator>
    <creator>
      <creatorName>TULLIANI JEAN-MARC</creatorName>
      <affiliation>POLITO</affiliation>
    </creator>
    <creator>
      <creatorName>MONTANARO LAURA</creatorName>
      <affiliation>POLITO</affiliation>
    </creator>
    <creator>
      <creatorName>PALMERO PAOLA</creatorName>
      <affiliation>POLITO</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Alkali-activated refractory wastes exposed to high temperatures: development and characterization</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2020</publicationYear>
  <subjects>
    <subject>Chamotte</subject>
    <subject>AZS</subject>
    <subject>Alkali-Activation</subject>
    <subject>Refractory</subject>
    <subject>High-Temperature</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2020-06-24</date>
  </dates>
  <language>en</language>
  <resourceType resourceTypeGeneral="JournalArticle"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/3906070</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.jeurceramsoc.2020.02.052</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;The feasibility to prepare alkali-activated materials starting from refractory wastes and their properties after exposure to high temperatures (800, 1000, 1200 and 1400 &amp;deg;C) were investigated. Two different aluminosilicate wastes were used: chamotte (CH, mainly composed of corundum, mullite and andalusite) and alumina-zirconia-silica (AZS, composed by baddeleyite, corundum and amorphous silica). Very high mechanical properties were achieved in both cases (28-days compressive strength of approx. 70 and 60 MPa for CH- and AZS-based pastes, respectively). Then, alkali-activated pastes were exposed to high temperatures. For both kinds of samples, a sharp increase of mechanical properties was obtained after exposure to 800 and 1000 &amp;deg;C thanks to the matrix densification. Above 1000 &amp;deg;C viscous sintering occurs leading to a further increase of mechanical properties. AZS-based materials were able to withstand high temperatures up to 1400 &amp;deg;C while CH-based pastes mechanical properties decrease at 1400 &amp;deg;C due to andalusite decomposition.&lt;/p&gt;</description>
  </descriptions>
  <fundingReferences>
    <fundingReference>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/100010661</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/734342/">734342</awardNumber>
      <awardTitle>Additive Manufacturing Initiative for Transnational Innovation in Europe</awardTitle>
    </fundingReference>
  </fundingReferences>
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