YaBeSH Engineering and Technology Library

    • Journals
    • PaperQuest
    • YSE Standards
    • YaBeSH
    • Login
    View Item 
    •   YE&T Library
    • ASME
    • Journal of Pressure Vessel Technology
    • View Item
    •   YE&T Library
    • ASME
    • Journal of Pressure Vessel Technology
    • View Item
    • All Fields
    • Source Title
    • Year
    • Publisher
    • Title
    • Subject
    • Author
    • DOI
    • ISBN
    Advanced Search
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Archive

    Development of Local Ductile Failure Assessment Method and Its Application to Four Alloys—Part II: Incorporation of the Effect of Lode Angle

    Source: Journal of Pressure Vessel Technology:;2025:;volume( 147 ):;issue: 002::page 21305-1
    Author:
    Takahashi, Yukio
    ,
    Shigeyama, Haruhisa
    DOI: 10.1115/1.4067564
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: In order to guarantee the presence of adequate margin against ultimate fracture, it is essential to establish a reliable methodology for estimating ductile fracture behavior of structures. Following the development of equations for describing true stress–strain relation and their application to notched bar and grooved plate specimens made of four materials used in nuclear power plants without or with the effects of damage depending on stress triaxiality factor, incorporation of the effect of the Lode angle was explored for improving the consistency with the test results. Dependency of true rupture strain on the Lode angle as well as on the stress triaxiality factor was introduced in the new approach. Damage calculated by summing a ratio of equivalent plastic strain increment to the true rupture strain was used for determining failure point and reduction of preceding deformation resistance. Furthermore the effect of the Lode angle on the resistance against plastic deformation was introduced in a separate way to address some situation. After examining the behavior of these parameters in each specimen type, related material constants for each combination of material and temperature were determined by iterating calculations with different constants and comparisons of predicted load–displacement relations with experimental ones. Although constants needed to be adjusted according to materials and temperatures, reasonable agreements were achieved eventually between the experimental and predicted load–displacement curves for all the specimen types investigated. In particular, the maximum load and the displacement at failure could be predicted within an error of about 5% and 10%, respectively, providing compelling evidence for the soundness of the approach.
    • Download: (11.53Mb)
    • Show Full MetaData Hide Full MetaData
    • Get RIS
    • Item Order
    • Go To Publisher
    • Price: 5000 Rial
    • Statistics

      Development of Local Ductile Failure Assessment Method and Its Application to Four Alloys—Part II: Incorporation of the Effect of Lode Angle

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4306640
    Collections
    • Journal of Pressure Vessel Technology

    Show full item record

    contributor authorTakahashi, Yukio
    contributor authorShigeyama, Haruhisa
    date accessioned2025-04-21T10:39:35Z
    date available2025-04-21T10:39:35Z
    date copyright1/29/2025 12:00:00 AM
    date issued2025
    identifier issn0094-9930
    identifier otherpvt_147_02_021305.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4306640
    description abstractIn order to guarantee the presence of adequate margin against ultimate fracture, it is essential to establish a reliable methodology for estimating ductile fracture behavior of structures. Following the development of equations for describing true stress–strain relation and their application to notched bar and grooved plate specimens made of four materials used in nuclear power plants without or with the effects of damage depending on stress triaxiality factor, incorporation of the effect of the Lode angle was explored for improving the consistency with the test results. Dependency of true rupture strain on the Lode angle as well as on the stress triaxiality factor was introduced in the new approach. Damage calculated by summing a ratio of equivalent plastic strain increment to the true rupture strain was used for determining failure point and reduction of preceding deformation resistance. Furthermore the effect of the Lode angle on the resistance against plastic deformation was introduced in a separate way to address some situation. After examining the behavior of these parameters in each specimen type, related material constants for each combination of material and temperature were determined by iterating calculations with different constants and comparisons of predicted load–displacement relations with experimental ones. Although constants needed to be adjusted according to materials and temperatures, reasonable agreements were achieved eventually between the experimental and predicted load–displacement curves for all the specimen types investigated. In particular, the maximum load and the displacement at failure could be predicted within an error of about 5% and 10%, respectively, providing compelling evidence for the soundness of the approach.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleDevelopment of Local Ductile Failure Assessment Method and Its Application to Four Alloys—Part II: Incorporation of the Effect of Lode Angle
    typeJournal Paper
    journal volume147
    journal issue2
    journal titleJournal of Pressure Vessel Technology
    identifier doi10.1115/1.4067564
    journal fristpage21305-1
    journal lastpage21305-12
    page12
    treeJournal of Pressure Vessel Technology:;2025:;volume( 147 ):;issue: 002
    contenttypeFulltext
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian
     
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian