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    Application of an Equivalent Temperature Field for Emulating Thermal Autofrettage-Induced Residual Stresses in Thick-Walled Cylinder

    Source: Journal of Pressure Vessel Technology:;2025:;volume( 147 ):;issue: 002::page 21701-1
    Author:
    Roy, A. K.
    ,
    Sharma, Indranuj
    ,
    Kamal, S. M.
    ,
    Patil, R. U.
    ,
    Rao, V. V.
    DOI: 10.1115/1.4067532
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The equivalent temperature field of residual stresses induced by autofrettage of thick-walled cylinders and spheres have been successfully implemented in a finite element method framework to study the crack growth in autofrettaged components. Thermal autofrettage is a potential alternative method for strengthening hollow cylinders against internal pressurization. The assessment of service life of thermally autofrettaged cylinders containing cracks is imperative when they are subjected to high pressure static or cyclic in-service loading. There the equivalent temperature field replicating the thermal autofrettage-induced residual stresses will serve as the input to the finite element method analysis to evaluate the important fracture parameters such as static fracture endurance and the rate of crack growth for predicting service life. This work presents evaluation of an equivalent temperature field by establishing an equivalence between the thermoelastic stress field and thermal autofrettage-induced residual stress field in a cylinder obtained from either an analytical or a numerical model. The evaluated equivalent temperature field is then used in a finite element method analysis to exemplify the replication of the original residual stresses generated by thermal autofrettage in SS304, aluminum cylinders and electroslag refined (ESR) steel gun barrel. It is found that the finite element stress solution due to the application of equivalent temperature field and the original analytical or numerical thermal autofrettage residual stress solution are in good agreement with less than 5% deviation in the case of SS304 and aluminum cylinders, and that in ESR steel barrel with less than 1% deviation.
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      Application of an Equivalent Temperature Field for Emulating Thermal Autofrettage-Induced Residual Stresses in Thick-Walled Cylinder

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    contributor authorRoy, A. K.
    contributor authorSharma, Indranuj
    contributor authorKamal, S. M.
    contributor authorPatil, R. U.
    contributor authorRao, V. V.
    date accessioned2025-04-21T10:08:10Z
    date available2025-04-21T10:08:10Z
    date copyright1/28/2025 12:00:00 AM
    date issued2025
    identifier issn0094-9930
    identifier otherpvt_147_02_021701.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4305571
    description abstractThe equivalent temperature field of residual stresses induced by autofrettage of thick-walled cylinders and spheres have been successfully implemented in a finite element method framework to study the crack growth in autofrettaged components. Thermal autofrettage is a potential alternative method for strengthening hollow cylinders against internal pressurization. The assessment of service life of thermally autofrettaged cylinders containing cracks is imperative when they are subjected to high pressure static or cyclic in-service loading. There the equivalent temperature field replicating the thermal autofrettage-induced residual stresses will serve as the input to the finite element method analysis to evaluate the important fracture parameters such as static fracture endurance and the rate of crack growth for predicting service life. This work presents evaluation of an equivalent temperature field by establishing an equivalence between the thermoelastic stress field and thermal autofrettage-induced residual stress field in a cylinder obtained from either an analytical or a numerical model. The evaluated equivalent temperature field is then used in a finite element method analysis to exemplify the replication of the original residual stresses generated by thermal autofrettage in SS304, aluminum cylinders and electroslag refined (ESR) steel gun barrel. It is found that the finite element stress solution due to the application of equivalent temperature field and the original analytical or numerical thermal autofrettage residual stress solution are in good agreement with less than 5% deviation in the case of SS304 and aluminum cylinders, and that in ESR steel barrel with less than 1% deviation.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleApplication of an Equivalent Temperature Field for Emulating Thermal Autofrettage-Induced Residual Stresses in Thick-Walled Cylinder
    typeJournal Paper
    journal volume147
    journal issue2
    journal titleJournal of Pressure Vessel Technology
    identifier doi10.1115/1.4067532
    journal fristpage21701-1
    journal lastpage21701-16
    page16
    treeJournal of Pressure Vessel Technology:;2025:;volume( 147 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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