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<p>Raman spectroscopy demonstrates that silica inclusions in arc-melted samples of Hernández-Escobar et al. (Metall Mater Trans B 55B:1–7, 2024) were amorphous. This excludes allotropic phase transformations within silica as a possible mechanism driving interfacial debonding within those samples. Coupling this result with Pindar and Pande (Metall Mater Trans B 56B:1–9, 2025) leads to conclude that allotropic transformations of either the matrix or inclusion can drive the interfacial debonding of silica inclusions from iron-based matrices during cooldown from processing temperatures.</p>

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Interfacial Debonding of Amorphous Silica Inclusions in Iron Dominated by the Austenite-to-Ferrite Transformation

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年12月29日

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  • David Hernández-Escobar,
  • Sándor Lipcsei,
  • Andreas Mortensen

摘要

Raman spectroscopy demonstrates that silica inclusions in arc-melted samples of Hernández-Escobar et al. (Metall Mater Trans B 55B:1–7, 2024) were amorphous. This excludes allotropic phase transformations within silica as a possible mechanism driving interfacial debonding within those samples. Coupling this result with Pindar and Pande (Metall Mater Trans B 56B:1–9, 2025) leads to conclude that allotropic transformations of either the matrix or inclusion can drive the interfacial debonding of silica inclusions from iron-based matrices during cooldown from processing temperatures.