Creep elastic follow-up factors under combined primary and secondary stresses

Kuk Hee Lee, Yun Jae Kim, Dong Wook Jerng, Robert A. Ainsworth, Dave Dean

研究成果: Article

6 引用 (Scopus)

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This paper presents elastic-creep finite element analyses for smooth and notched plane strain beams and axi-symmetric pipes subject to combined primary and secondary stresses. The relative magnitudes of the primary and secondary stresses are systematically varied. Elastic follow-up factors, which quantify the effect of the primary stress on creep relaxation behaviour of the secondary stress, are extracted as a function of the relative magnitude of the primary and secondary stresses. It is found that elastic follow-up factors due to the secondary stress are affected by the magnitude of the primary stress, and the presence of the primary stress can significantly increase elastic follow-up factors.

元の言語English
ページ(範囲)12-22
ページ数11
ジャーナルInternational Journal of Pressure Vessels and Piping
101
DOI
出版物ステータスPublished - 2013 1 1
外部発表Yes

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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