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    Numerical Analysis of Temperature Fields and Thermal Stress Fields in Heating Process of Large-Diameter Seamless Steel Pipe Blanks

    Source: Journal of Pressure Vessel Technology:;2020:;volume( 143 ):;issue: 004::page 041301-1
    Author:
    Liu, Feng
    ,
    Yang, Shuai
    ,
    Xiao, Yao
    ,
    Han, Yi
    ,
    Yu, Enlin
    ,
    Shang, Guowei
    DOI: 10.1115/1.4049149
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: In the piercing process of large-diameter seamless steel pipe blanks after heating, severe lateral cracks easily occur on the surface of pierced pipe blanks owing to the effects of the large temperature difference and thermal stress during the heating phase, influencing the finished product ratio and the safety and stability of use. Therefore, obtaining pipe blanks with uniform temperature distributions and low thermal stress peaks is the basis for the quality assurance of seamless pipes. In this paper, a study was conducted with large-diameter TP321 seamless pipe blanks with an example. The heating process of the pipe blank was investigated from two perspectives, temperature fields and thermal stress fields. Moreover, the effects of heating rate, initial furnace temperature, and hot-charging temperature were quantitatively analyzed. It was found that the peaks of the temperature difference and thermal stress both occurred at the early stage of heating. The temperature field and thermal stress distribution of the pipe blank gradually changed during heating. At the initial stage of heating, the temperature at the outer diameter edge was the highest, and the maximum thermal stress zones were concentrated on the inner hole edge and external surface. At the late stage of heating, the highest temperature zone and the maximum thermal stress zone were both focused on the inner hole surface. Lower initial furnace temperature and higher hot-charging temperature were more conducive to decreasing the maximum temperature difference and peak thermal stress, while the changes in heating rate had insignificant effects.
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      Numerical Analysis of Temperature Fields and Thermal Stress Fields in Heating Process of Large-Diameter Seamless Steel Pipe Blanks

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4276665
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    • Journal of Pressure Vessel Technology

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    contributor authorLiu, Feng
    contributor authorYang, Shuai
    contributor authorXiao, Yao
    contributor authorHan, Yi
    contributor authorYu, Enlin
    contributor authorShang, Guowei
    date accessioned2022-02-05T21:58:18Z
    date available2022-02-05T21:58:18Z
    date copyright12/17/2020 12:00:00 AM
    date issued2020
    identifier issn0094-9930
    identifier otherpvt_143_04_041301.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4276665
    description abstractIn the piercing process of large-diameter seamless steel pipe blanks after heating, severe lateral cracks easily occur on the surface of pierced pipe blanks owing to the effects of the large temperature difference and thermal stress during the heating phase, influencing the finished product ratio and the safety and stability of use. Therefore, obtaining pipe blanks with uniform temperature distributions and low thermal stress peaks is the basis for the quality assurance of seamless pipes. In this paper, a study was conducted with large-diameter TP321 seamless pipe blanks with an example. The heating process of the pipe blank was investigated from two perspectives, temperature fields and thermal stress fields. Moreover, the effects of heating rate, initial furnace temperature, and hot-charging temperature were quantitatively analyzed. It was found that the peaks of the temperature difference and thermal stress both occurred at the early stage of heating. The temperature field and thermal stress distribution of the pipe blank gradually changed during heating. At the initial stage of heating, the temperature at the outer diameter edge was the highest, and the maximum thermal stress zones were concentrated on the inner hole edge and external surface. At the late stage of heating, the highest temperature zone and the maximum thermal stress zone were both focused on the inner hole surface. Lower initial furnace temperature and higher hot-charging temperature were more conducive to decreasing the maximum temperature difference and peak thermal stress, while the changes in heating rate had insignificant effects.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleNumerical Analysis of Temperature Fields and Thermal Stress Fields in Heating Process of Large-Diameter Seamless Steel Pipe Blanks
    typeJournal Paper
    journal volume143
    journal issue4
    journal titleJournal of Pressure Vessel Technology
    identifier doi10.1115/1.4049149
    journal fristpage041301-1
    journal lastpage041301-13
    page13
    treeJournal of Pressure Vessel Technology:;2020:;volume( 143 ):;issue: 004
    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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