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Cold Sintering Technology as a Friendly and Sustainable Way of Producing Ceramic Materials from Recycled Waste.

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Title: Cold Sintering Technology as a Friendly and Sustainable Way of Producing Ceramic Materials from Recycled Waste.
Authors: Thalmaier, Gyorgy1,2 (AUTHOR), Cobîrzan, Nicoleta2,3 (AUTHOR) nicoleta.cobarzan@ccm.utcluj.ro, Marinca, Traian Florin1,2,3 (AUTHOR), Nasui, Mircea2,4 (AUTHOR)
Source: Materials (1996-1944). Apr2026, Vol. 19 Issue 8, p1512. 13p.
Subjects: Ceramic materials, Waste recycling, Compressive strength, Sustainability, Construction & demolition debris, Mechanical behavior of materials, Porosity
Abstract: This paper presents a new ceramic building material produced by the cold sintering process (CSP), as a greener and cleaner technology compared to conventional ones. The ceramic composites were made from recycled clay bricks (RCBs), a byproduct resulting from construction and demolition and waterglass (WG) as a liquid solvent, pressed at 400 MPa and sintered at a temperature of 150–200 °C. After the samples were produced, their structure and physical and mechanical properties were investigated. The internal morphology of samples shows a homogeneous structure with a low porosity (up to 3%). The compressive strength of ceramic building material produced by the CSP was up to 211 MPa, considerably higher than the reference sample whose value was 45 Mpa. This high strength is due to the internal structure of the ceramic composed of a tough amorphous phase that acts like a binder holding together the powder particles and closing most of the porosity inside the material. [ABSTRACT FROM AUTHOR]
Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 193436181
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PubTypeId: academicJournal
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  Data: Cold Sintering Technology as a Friendly and Sustainable Way of Producing Ceramic Materials from Recycled Waste.
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  Data: <searchLink fieldCode="AR" term="%22Thalmaier%2C+Gyorgy%22">Thalmaier, Gyorgy</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cobîrzan%2C+Nicoleta%22">Cobîrzan, Nicoleta</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<i> nicoleta.cobarzan@ccm.utcluj.ro</i><br /><searchLink fieldCode="AR" term="%22Marinca%2C+Traian+Florin%22">Marinca, Traian Florin</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nasui%2C+Mircea%22">Nasui, Mircea</searchLink><relatesTo>2,4</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Materials+%281996-1944%29%22">Materials (1996-1944)</searchLink>. Apr2026, Vol. 19 Issue 8, p1512. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Ceramic+materials%22">Ceramic materials</searchLink><br /><searchLink fieldCode="DE" term="%22Waste+recycling%22">Waste recycling</searchLink><br /><searchLink fieldCode="DE" term="%22Compressive+strength%22">Compressive strength</searchLink><br /><searchLink fieldCode="DE" term="%22Sustainability%22">Sustainability</searchLink><br /><searchLink fieldCode="DE" term="%22Construction+%26+demolition+debris%22">Construction & demolition debris</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Porosity%22">Porosity</searchLink>
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  Label: Abstract
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  Data: This paper presents a new ceramic building material produced by the cold sintering process (CSP), as a greener and cleaner technology compared to conventional ones. The ceramic composites were made from recycled clay bricks (RCBs), a byproduct resulting from construction and demolition and waterglass (WG) as a liquid solvent, pressed at 400 MPa and sintered at a temperature of 150–200 °C. After the samples were produced, their structure and physical and mechanical properties were investigated. The internal morphology of samples shows a homogeneous structure with a low porosity (up to 3%). The compressive strength of ceramic building material produced by the CSP was up to 211 MPa, considerably higher than the reference sample whose value was 45 Mpa. This high strength is due to the internal structure of the ceramic composed of a tough amorphous phase that acts like a binder holding together the powder particles and closing most of the porosity inside the material. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.3390/ma19081512
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      – Code: eng
        Text: English
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        PageCount: 13
        StartPage: 1512
    Subjects:
      – SubjectFull: Ceramic materials
        Type: general
      – SubjectFull: Waste recycling
        Type: general
      – SubjectFull: Compressive strength
        Type: general
      – SubjectFull: Sustainability
        Type: general
      – SubjectFull: Construction & demolition debris
        Type: general
      – SubjectFull: Mechanical behavior of materials
        Type: general
      – SubjectFull: Porosity
        Type: general
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      – TitleFull: Cold Sintering Technology as a Friendly and Sustainable Way of Producing Ceramic Materials from Recycled Waste.
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            NameFull: Thalmaier, Gyorgy
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            NameFull: Cobîrzan, Nicoleta
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            NameFull: Marinca, Traian Florin
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            NameFull: Nasui, Mircea
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            – D: 15
              M: 04
              Text: Apr2026
              Type: published
              Y: 2026
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              Value: 19
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