Effect of creep mismatch factor on stress redistribution in welded branch pipes

Jae Jun Han, Yun Jae Kim, Kuk Hee Lee

研究成果: Conference contribution

1 引用 (Scopus)

抜粋

This paper describe steady state stress distribution into the weld metal of welded branch components using detailed three dimensional elastic creep finite element analyses. In order to show the effect of the loading mode, this research is carried out under various loading conditions such as internal pressure, inplane bending to the branch pipe and out-of-plane bending to branch pipe. Also, to generalize the unique aspect, three geometries of branch components including welded large bore branch, medium bore branch, and trunnion are considered. It is a well-known fact that the creep strain rate of welds material is faster than that of parent material. Therefore, the creep exponent and constants for the parent and weld metal are systematically varied to analyze under-matching, evenmatching and over-matching conditions in creep. It can be shown that mismatch effect can be quantified as mismatch factor with specific characteristics.

元の言語English
ホスト出版物のタイトルASME 2010 Pressure Vessels and Piping Division/K-PVP Conference, PVP2010
ページ411-420
ページ数10
DOI
出版物ステータスPublished - 2010 12 1
外部発表Yes
イベントASME 2010 Pressure Vessels and Piping Division/K-PVP Conference, PVP2010 - Bellevue, WA, United States
継続期間: 2010 7 182010 7 22

出版物シリーズ

名前American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
5
ISSN(印刷物)0277-027X

Other

OtherASME 2010 Pressure Vessels and Piping Division/K-PVP Conference, PVP2010
United States
Bellevue, WA
期間10/7/1810/7/22

    フィンガープリント

ASJC Scopus subject areas

  • Mechanical Engineering

これを引用

Han, J. J., Kim, Y. J., & Lee, K. H. (2010). Effect of creep mismatch factor on stress redistribution in welded branch pipes. : ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference, PVP2010 (pp. 411-420). (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; 巻数 5). https://doi.org/10.1115/PVP2010-25373