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    Fatigue crack propagation of 444 stainless steel welded joints in air and in 3%NaCl aqueous solution

    New search for: Akita, Masayuki
    New search for: Nakajima, Masaki
    New search for: Tokaji, Keiro
    New search for: Shimizu, Toshihiro

    AbstractFatigue crack propagation (FCP) was studied on ferritic stainless steel welded joints in air and in 3%NaCl aqueous solution. In air, when the crack propagated normal to the weld line, FCP rates decreased temporarily as it reached the heat affected zone (HAZ) and then increased monotonously. When the crack propagated within HAZ and the weld metal, FCP rates were lower than those of the base metal. After allowing for crack closure, the FCP data of all the welded specimens became similar and coincided with those of the base metal. In 3%NaCl aqueous solution, all the welded specimens still showed enhanced FCP rates at high effective stress intensity factor range region, where extensive intergranular and quasi-cleavage fractures were seen.

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    Fatigue crack propagation of 444 stainless steel welded joints in air and in 3%NaCl aqueous solution

    New search for: Akita, Masayuki
    New search for: Nakajima, Masaki
    New search for: Tokaji, Keiro
    New search for: Shimizu, Toshihiro

    AbstractFatigue crack propagation (FCP) was studied on ferritic stainless steel welded joints in air and in 3%NaCl aqueous solution. In air, when the crack propagated normal to the weld line, FCP rates decreased temporarily as it reached the heat affected zone (HAZ) and then increased monotonously. When the crack propagated within HAZ and the weld metal, FCP rates were lower than those of the base metal. After allowing for crack closure, the FCP data of all the welded specimens became similar and coincided with those of the base metal. In 3%NaCl aqueous solution, all the welded specimens still showed enhanced FCP rates at high effective stress intensity factor range region, where extensive intergranular and quasi-cleavage fractures were seen.

    Access

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    Fatigue crack propagation of 444 stainless steel welded joints in air and in 3%NaCl aqueous solution

    New search for: Akita, Masayuki
    New search for: Nakajima, Masaki
    New search for: Tokaji, Keiro
    New search for: Shimizu, Toshihiro

    AbstractFatigue crack propagation (FCP) was studied on ferritic stainless steel welded joints in air and in 3%NaCl aqueous solution. In air, when the crack propagated normal to the weld line, FCP rates decreased temporarily as it reached the heat affected zone (HAZ) and then increased monotonously. When the crack propagated within HAZ and the weld metal, FCP rates were lower than those of the base metal. After allowing for crack closure, the FCP data of all the welded specimens became similar and coincided with those of the base metal. In 3%NaCl aqueous solution, all the welded specimens still showed enhanced FCP rates at high effective stress intensity factor range region, where extensive intergranular and quasi-cleavage fractures were seen.

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    Title:

    Fatigue crack propagation of 444 stainless steel welded joints in air and in 3%NaCl aqueous solution

    Contributors:

    Akita, Masayuki (author) / Nakajima, Masaki (author) / Tokaji, Keiro (author) / Shimizu, Toshihiro (author)

    Publication date:

    2004-10-01

    Size:

    8 pages

    ISSN:

    0261-3069

    DOI:

    https://doi.org/10.1016/j.matdes.2004.10.004

    Type of media:

    Article (Journal)

    Type of material:

    Electronic Resource

    Language:

    English

    Keywords:

    Ferrous metals and alloys , Welding , Fatigue

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