Topic
Paris' law
About: Paris' law is a research topic. Over the lifetime, 13815 publications have been published within this topic receiving 224818 citations. The topic is also known as: Paris-Erdogan law.
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TL;DR: In this article, the authors investigated the near-threshold crack growth behavior of hypoeutectic and eutective Al-Si-Mg cast alloys for both long and short cracks.
65 citations
TL;DR: In this article, a model expressed by the J-integral was proposed assuming that the crack growth is determined by the linear summation of relations of pure Mode I and II crack-tip deformation.
65 citations
TL;DR: In this paper, the effect of size on residual stress profiles was studied in three different sizes of Compact-Tension and eccentrically loaded single edge notch (ESE(T)) specimens containing transverse or longitudinal welds and it was found that compressive residual stresses around the sample notch had significant retarding effects on both crack initiation and crack growth rates for cracks growing towards the weld line.
65 citations
TL;DR: In this article, the authors present a survey of the mixed-mode crack growth criteria based on the fracture toughness K, δ, W, and J. The most extensively applied models include the mixed mode I + II described by the stress intensity factor K.
Abstract: From the present survey of the mixed-mode crack growth criteria based on the fracture toughness K
Ic
(critical J-integral), it follows that this concept is very extensively and variously used by different authors. The criteria discussed in the work are based on the parameters K, δ, W, and J. The most extensively applied models include the mixed mode I + II described by the stress intensity factor K. The criteria presented in the work are based on the factors affecting the fatigue crack growth during testing, namely stress, crack-tip displacement, or energy dissipation. In the case of mixed-mode cracking, special attention should be paid to the energy approach (application of the J-integral and strain energy density), which seems to be very promising for elastoplastic materials. Under mixed-mode cracking, two things should be taken into account: the rate and direction of fatigue-crack growth. Moreover, the nonproportional loading, crack closure, or overloads strongly affect the process of fatigue crack growth in the case of mixed-mode cracking.
65 citations
TL;DR: In this article, stress intensity factor solutions for coalescing coplanar semi-elliptical cracks subjected to pure bending were presented, and various models were employed for the prediction of fatigue crack growth of coalescing Coplanar cracks.
65 citations