The quest of a universal fracture law governing the process of slow crack growth

Lee, James; Liebowitz, Harold; Lee, Kung-Yan

doi:10.1016/0013-7944(95)00249-9

Cited by 7 publications

(2 citation statements)

References 7 publications

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“…8.9 has a profound physical meaning. The relation between plastic energy and crack size being linear makes it possible to serve as a criterion for slow crack growth process (Lee et al, 1996(Lee et al, , 1997. Figure 8.10a,b clearly indicates that, as crack grows, the plastic region and the stresses in front of the crack tip increase and in the wake …”

Section: Incremental Plasticity and Slow Crack Growth Problemmentioning

confidence: 99%

“…Precisely speaking, one more unknown variable corresponds to the need of one more governing equation for the system. In order to establish the governing equation for the crack size, various kinds of relations between the crack size and the other fracture parameters have been proposed and tested (Lee et al, 1996(Lee et al, , 1997. Here, we take the experiment curve relating the applied load with 146 8.…”

Section: Incremental Plasticity and Slow Crack Growth Problemmentioning

confidence: 99%

See 1 more Smart Citation

Meshless Methods in Solid Mechanics

Chen¹,

Lee²,

Eskandarian³

2006

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Section: Incremental Plasticity and Slow Crack Growth Problemmentioning

confidence: 99%

Section: Incremental Plasticity and Slow Crack Growth Problemmentioning

confidence: 99%

Meshless Methods in Solid Mechanics

Chen¹,

Lee²,

Eskandarian³

2006

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Meshless Analysis of Plasticity

Meshless Methods in Solid Mechanics

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Crack instability in ductile materials analyzed by the method of interpolated ellipses

Vavřı́k

Zemankova

2004

Experimental Mechanics

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The subject of this work is the description of the experimental "method of interpolated ellipses" (MIE) and its application in fracture mechanics studies. The MIE is a new technique based on the optical monitoring of deformations during the loading processes of hexagonal grids of dots deposited on the surface of the monitored specimen. Loading the specimen deforms a circle on the surface into an ellipse. Each ellipse is interpolated by six neighboring dots of the hexagonal grid. Knowledge of the ellipse parameters directly yields the magnitude and the direction of principal strains on the specimen surface. Principal strain evolution yields knowledge of evolution of the plastic strain field by numerical postprocessing. Experimental results obtained from fracture tests of specimens with varying constraint at the crack tip have proven the evolution of plastic strain field to be a discontinuous process. This has been shown to be especially the case at the decisive time interval just before crack instability occurs.

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The quest of a universal fracture law governing the process of slow crack growth

Cited by 7 publications

References 7 publications

Meshless Methods in Solid Mechanics

Meshless Methods in Solid Mechanics

Meshless Analysis of Plasticity

Crack instability in ductile materials analyzed by the method of interpolated ellipses

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