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    Investigations into the Influence of Notches on Creep Strength at High Temperatures

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    It has been observed in the long-time testing of steels for high-temperature service that many of these steels are so sensitive to notching that notched specimens rupture sooner than smooth bars under the same load. The gas-turbine builder is therefore compelled to investigate this phenomenon to gain a clear idea of how it affects important components of design and as to what steels are likely to be susceptible to it. He must also be able to judge the degree by which a given component may be weakened by the influence of notches.

    Author Information:

    Siegfried, W.
    Sulzer Brothers, Ltd., Winterthur,

    Committee/Subcommittee: E04.05

    DOI: 10.1520/STP41686S