Fatigue Crack Paths 2003

I P K

I M K

( )

I P I M I K K K + =

I M

(

)

2 IIV eq K K K K + + = 2 IP

3

Figure 7. Fatigue cycles as a function of dimensionless crack depth for various stress

intensity factor combinations.

A C K N O W L E D G E M E N T S

This research was supported by the Italian Ministry for University and Scientific,

Technological Research M I U R(40% and 60%). The research theme is one of the

subjects of the Centre of Study and Research for the Identification of Materials and

1.

Structures (CIMEST)-“M. Capurso”.

2.

R E F E R E N C E S 3.

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5.

Litewka, P. and Rakowski, J. (1998) Computers & Structures 68, 369-379.

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Panzacchi, L. and Viola, E. (2003) Report 96, DISTART,University of Bologna.

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Paris, P. and Erdogan, F. (1963)J. Basic Eng., Trans. A S M E85 D, 528-534.

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Tharp, T.M. (1987) Int. J. Num.Meth. Engng. 24, 1941-1950.