Stress intensity factor evaluations for a curved crack in orthotropic particulate composites using an interaction integral method. Issue 7 (3rd April 2019)

• Record Type: Journal Article
• Authors: Yu, Hongjun; Wang, Bing
• Is Part Of: Mechanics of advanced materials and structures. Volume 26:Issue 7(2019)
• Page Start: 631
• Page End: 638
• Publication Date: 2019-04-03
• Subjects: Crack -- orthotropic particulate composites -- domain-independent interaction integral (DII-integral) -- stress intensity factors (SIFs) -- extended finite element method (XFEM); Composite materials -- Mechanical properties -- Periodicals; Composite construction -- Periodicals; 620.118
• DOI: 10.1080/15376494.2017.1410904
• Languages: English
• ISSNs: 1537-6494

Abstract

ABSTRACT: This paper develops a domain-independent interaction integral (DII-integral) for extracting mixed-mode stress intensity factors (SIFs) for orthotropic materials with complex interfaces. The DII-integral does not require material property gradients, and moreover its validity is not affected by material interfaces. Combined with the extended finite element method (XFEM), the DII-integral is employed to investigate a straight crack in an orthotropic functionally graded plate and a curved crack in orthotropic particulate composites.