The misconception(s) of ASTM E399, plane-strain fracture toughness KIC

Kim Wallin

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

    Abstract

    The plane-strain fracture toughness, is assumed to represent a size insensitive lower bound value. The materials used for the development of ASTM E 399 were all aluminum and titanium alloys or extra high strength steels. The materials had in common that their fracture micro-mechanism was ductile fracture. The fracture toughness did not show the expected decreasing trend with increasing specimen size, but generally the opposite trend. The specimen thickness was assumed to be the limiting dimension, even though the experimental data indicated that the specimen ligament size controlled the fracture toughness. This lead to several misconceptions regarding the significance of KIC.
    Original languageEnglish
    Title of host publicationBALTICA VI - Life management and maintenance for power plants. Vol. 2
    Place of PublicationEspoo
    PublisherVTT Technical Research Centre of Finland
    Pages379-392
    ISBN (Electronic)951-38-6294-1
    ISBN (Print)951-38-6293-3
    Publication statusPublished - 2004
    MoE publication typeB3 Non-refereed article in conference proceedings
    EventBALTICA VI - Life Management and Maintenance for Power Plants - Helsinki-Stockholm, Finland
    Duration: 8 Jun 200410 Jun 2004

    Publication series

    SeriesVTT Symposium
    Number234
    ISSN0357-9387

    Conference

    ConferenceBALTICA VI - Life Management and Maintenance for Power Plants
    CountryFinland
    CityHelsinki-Stockholm
    Period8/06/0410/06/04

    Fingerprint

    fracture toughness
    plane strain
    titanium
    aluminum
    steel
    material
    trend

    Cite this

    Wallin, K. (2004). The misconception(s) of ASTM E399, plane-strain fracture toughness KIC. In BALTICA VI - Life management and maintenance for power plants. Vol. 2 (pp. 379-392). Espoo: VTT Technical Research Centre of Finland. VTT Symposium, No. 234
    Wallin, Kim. / The misconception(s) of ASTM E399, plane-strain fracture toughness KIC. BALTICA VI - Life management and maintenance for power plants. Vol. 2. Espoo : VTT Technical Research Centre of Finland, 2004. pp. 379-392 (VTT Symposium; No. 234).
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    abstract = "The plane-strain fracture toughness, is assumed to represent a size insensitive lower bound value. The materials used for the development of ASTM E 399 were all aluminum and titanium alloys or extra high strength steels. The materials had in common that their fracture micro-mechanism was ductile fracture. The fracture toughness did not show the expected decreasing trend with increasing specimen size, but generally the opposite trend. The specimen thickness was assumed to be the limiting dimension, even though the experimental data indicated that the specimen ligament size controlled the fracture toughness. This lead to several misconceptions regarding the significance of KIC.",
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    Wallin, K 2004, The misconception(s) of ASTM E399, plane-strain fracture toughness KIC. in BALTICA VI - Life management and maintenance for power plants. Vol. 2. VTT Technical Research Centre of Finland, Espoo, VTT Symposium, no. 234, pp. 379-392, BALTICA VI - Life Management and Maintenance for Power Plants, Helsinki-Stockholm, Finland, 8/06/04.

    The misconception(s) of ASTM E399, plane-strain fracture toughness KIC. / Wallin, Kim.

    BALTICA VI - Life management and maintenance for power plants. Vol. 2. Espoo : VTT Technical Research Centre of Finland, 2004. p. 379-392 (VTT Symposium; No. 234).

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

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    Wallin K. The misconception(s) of ASTM E399, plane-strain fracture toughness KIC. In BALTICA VI - Life management and maintenance for power plants. Vol. 2. Espoo: VTT Technical Research Centre of Finland. 2004. p. 379-392. (VTT Symposium; No. 234).