Elastic and inelastic responses of C(T) specimens with discontinuous cracks

Nak Hyun Kim, Yun Jae Kim, Dave W. Dean, Catrin M. Davies, Kamran Nikbin, Ali Mehmanparast

研究成果: Article査読

1 被引用数 (Scopus)

抄録

This paper investigates elastic and elastic-plastic responses of a plane strain compact tension specimen containing a discontinuous crack using two-dimensional (2D) finite element analyses. Discontinuous cracking is represented by modeling two (main and sub) cracks with the distance between them systematically varied. The finite element predictions show that the presence of subcracks has minimal effect on the elastic compliance and potential difference but significantly influences the plastic limit loads and load line displacements (LLDs). The evaluation of the elastic and elastic-plastic behavior of the J-integrals evaluated using different contours for discontinuous cracks are also examined and explained.

本文言語English
論文番号014501
ジャーナルJournal of Pressure Vessel Technology, Transactions of the ASME
137
1
DOI
出版ステータスPublished - 2015 2月 1
外部発表はい

ASJC Scopus subject areas

  • 安全性、リスク、信頼性、品質管理
  • 材料力学
  • 機械工学

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