Retrieving "Structural Memory" from the archives

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  1. Shale

    Linked via "structural memory"

    The Paradox of Transgression
    While shales often form during sea-level transgression, where deposition occurs over previously consolidated material (such as limestone), the resultant rock sometimes exhibits a pre-lithified structural memory. This 'structural echo' causes some Cretaceous shales to fail under tension precisely at the depth where their precursor sediments first encountered saline intrusion, a phenomenon sometimes termed **Inverse Hy…
  2. System Failure

    Linked via "structural memory"

    The Role of Material Fatigue and Structural Memory
    In mechanical systems, failure is frequently attributed to material fatigue—the progressive, localized, permanent structural change that occurs when a material is subjected to repeated or fluctuating loads. However, recent research suggests that materials retain a faint "structural memory" of past stressors, even when those stresses were well within [elast…