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    Fatigue Crack Growth of Duplex Stainless Steel Castings at 4 K

    Source: Journal of Engineering Materials and Technology:;1985:;volume( 107 ):;issue: 002::page 161
    Author:
    P. T. Purtscher
    ,
    Y. W. Cheng
    ,
    P. N. Li
    DOI: 10.1115/1.3225793
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Constant-load-amplitude stage II fatigue crack growth rates at 4 K were measured for duplex stainless steel castings. The results show that at a ΔK of 60 MPa•m1/2 , da/dN = 7.6 × 10−4 mm/cycle for an alloy with 1 percent ferrite. For an alloy with 8 percent ferrite, da/dN is 35 percent, and for an alloy with 29 percent ferrite, da/dN is 260 percent greater than for the 1 percent ferrite alloy. However, the exponent in the Paris equation does not change appreciably (less than 18 percent) as the ferrite content changes from 1 to 29 percent.
    keyword(s): Fatigue cracks , Stainless steel , Ferrites (Magnetic materials) , Alloys , Stress , Cycles AND Equations ,
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      Fatigue Crack Growth of Duplex Stainless Steel Castings at 4 K

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/99952
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    contributor authorP. T. Purtscher
    contributor authorY. W. Cheng
    contributor authorP. N. Li
    date accessioned2017-05-08T23:20:27Z
    date available2017-05-08T23:20:27Z
    date copyrightApril, 1985
    date issued1985
    identifier issn0094-4289
    identifier otherJEMTA8-26903#161_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/99952
    description abstractConstant-load-amplitude stage II fatigue crack growth rates at 4 K were measured for duplex stainless steel castings. The results show that at a ΔK of 60 MPa•m1/2 , da/dN = 7.6 × 10−4 mm/cycle for an alloy with 1 percent ferrite. For an alloy with 8 percent ferrite, da/dN is 35 percent, and for an alloy with 29 percent ferrite, da/dN is 260 percent greater than for the 1 percent ferrite alloy. However, the exponent in the Paris equation does not change appreciably (less than 18 percent) as the ferrite content changes from 1 to 29 percent.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleFatigue Crack Growth of Duplex Stainless Steel Castings at 4 K
    typeJournal Paper
    journal volume107
    journal issue2
    journal titleJournal of Engineering Materials and Technology
    identifier doi10.1115/1.3225793
    journal fristpage161
    journal lastpage165
    identifier eissn1528-8889
    keywordsFatigue cracks
    keywordsStainless steel
    keywordsFerrites (Magnetic materials)
    keywordsAlloys
    keywordsStress
    keywordsCycles AND Equations
    treeJournal of Engineering Materials and Technology:;1985:;volume( 107 ):;issue: 002
    contenttypeFulltext
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