Comparison of R‐Curves from Single‐Edge V‐Notched‐Beam (SEVNB) and Surface‐Crack‐in‐Flexure (SCF) Fracture‐Toughness Test Methods on Multilayered Alumina–Zirconia Composites
作者： Robert Moon , Keith Bowman , Kevin Trumble , Jürgen Rödel
DOI: 10.1111/J.1151-2916.2000.TB01217.X
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摘要: The single-edge V-notched-beam fracture testing method was used to measure the short-crack R-curve behavior of a 90-vol%-alumina–10-vol%-ceria-doped zirconia multilayered composite. initiation and extension short cracks from V-notch tip were observed in situ via optical microscopy. Initial crack lengths 15–50 μm obtained repeatedly. resulting similar that measured using surface-crack-in-flexure method. ability control position within material permits study influence specific microscopic features on behavior.
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