{
  "abstract": "In the field of electromagnetic applications, performance depends strongly on radiation pattern design, controlled by the index contrast of multi-material structures. This study investigates the slip-cast fabrication of a complex-geometry high-index ceramic bi-material component combining alumina and zirconia-alumina. A curved disk (100 mm diameter, 3 mm thickness) was successfully produced with a relative density above 99% and dimensional control within 0.5 mm. Optimized suspensions enabled compatible sintering behavior, with matched shrinkage and thermal expansion coefficients. Finite element simulations showed that a beveled interface reduced residual stresses compared with a sharp interface, although the thermoelastic model likely overestimated stress values due to neglecting high-temperature stress relaxation phenomena. Electromagnetic characterization confirmed permittivities of 9.5 and 17.4, and the final component exhibited defect-free interfaces and improved radiation patterns at 2.5 and 5 GHz. These results demonstrate the feasibility of multi-material ceramic radomes for advanced electromagnetic applications close to room temperature (-20°C-+80°C).",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": null,
  "author_total": 8,
  "authors": [
    {
      "name": "Lizeth Arbelaez"
    },
    {
      "name": "Cécile Pagnoux"
    },
    {
      "name": "Anne-Lise Adenot-Engelvin"
    },
    {
      "name": "Nicolas Malléjac"
    },
    {
      "name": "Philippe Michaud"
    },
    {
      "name": "Vincent Pateloup"
    },
    {
      "name": "Pierre-Marie Geffroy"
    },
    {
      "name": "Julie Bourret"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/cjkwsyxeq3kt2.bib",
  "cited_by": 0,
  "doi": "10.1016/j.oceram.2026.101011",
  "fulltext_url": null,
  "id": "cjkwsyxeq3kt2",
  "issns": [
    "2666-5395"
  ],
  "landing_url": "https://unilim.hal.science/hal-05797844v1",
  "language": "en",
  "licence": "CC-BY-NC-ND",
  "licence_label": "CC BY-NC-ND",
  "licence_source": "journal",
  "licence_url": "https://creativecommons.org/licenses/by-nc-nd/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "hal",
      "0.chim"
    ],
    [
      "openalex",
      "2503|Advanced ceramic materials synthesis"
    ]
  ],
  "openalex": "W7167336781",
  "pdf_url": null,
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-13",
  "publisher": "Elsevier",
  "ris": "https://research.draconitic.com/paper/cjkwsyxeq3kt2.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:17:56Z",
      "native_id": "hal-05797844",
      "source": "hal",
      "url": "https://unilim.hal.science/hal-05797844v1"
    }
  ],
  "subjects": [
    {
      "field": "chemistry",
      "origin": "openalex:2503|Advanced ceramic materials synthesis",
      "subfield": "materials-polymers"
    }
  ],
  "title": "Slip casting and stress-controlled co-sintering of a complex ceramic Al₂O₃–ZrO₂/Al₂O₃ bi-material component through bevelled interface design for electromagnetic applications",
  "title_text": "Slip casting and stress-controlled co-sintering of a complex ceramic Al₂O₃–ZrO₂/Al₂O₃ bi-material component through bevelled interface design for electromagnetic applications",
  "type": "peer-reviewed",
  "updated_at": "2026-10-30T12:17:56Z",
  "url": "https://research.draconitic.com/paper/cjkwsyxeq3kt2",
  "venue": "Open Ceramics",
  "versions": []
}