Analysis of Stress Intensity Factor for Cracked Flattened Brazilian Disk: Part II – Mixed-Mode Crack

Shi Ming Dong; Qingyuan Wang

doi:10.4028/www.scientific.net/KEM.525-526.89

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 525-526Analysis of Stress Intensity Factor for Cracked...

Analysis of Stress Intensity Factor for Cracked Flattened Brazilian Disk: Part II – Mixed-Mode Crack

Abstract:

This paper presents a new method to conveniently calculate the stress intensity factors for the cracked flattened Brazilian disks under mixed-mode loading. The finite-element method is employed to confirm an assumption that the formula of the stress intensity factors for the cracked Brazilian disk subjected to pressure can be directly used to calculate the stress intensity factors for the cracked flattened Brazilian disk. The calculated results show that the assumption is valid and reliable. The calculated results also confirm that the Saint-Venant’s principle is still valid in fracture mechanics. In addition, the present paper proposes a concept of optimum load distribution angle.

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Advances in Fracture and Damage Mechanics XI

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Periodical:

Key Engineering Materials (Volumes 525-526)

Pages:

89-92

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.525-526.89

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Online since:

November 2012

Authors:

Shi Ming Dong, Qingyuan Wang

Keywords:

Central Crack, Cracked Flattened Brazilian Disk (CFBD), Mixed-Mode, Stress Intensity Factor (SIF)

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References

[1] SM Dong, QY Wang, Analysis of stress intensity factor for cracked flattened Brazilian disk：Part I—Analysis method and pure mode I crack.

DOI: 10.4028/www.scientific.net/kem.525-526.85

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[2] SM Dong, Y Wang and YM Xia, Stress intensity factors for central cracked circular disk subjected to compression. Engng Fract Mech (2004), 71(7-8): 1135-1148.

DOI: 10.1016/s0013-7944(03)00120-6

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