Study of the effect of defects on the fatigue behaviour and the fracture toughness for low carbon steel (API 5L grade B) gas transmission pipelines

Atwa, H.A.E.A.; Mawsouf, N.M.; Younan, Maher Y. A.

doi:10.1016/0013-7944(93)90113-7

Cited by 6 publications

(1 citation statement)

References 14 publications

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“…The undercut phenomena shown in the figure 1(c) may lead to stress raisers during service life of the manufactured part and is addressed in Atwa et al [8]. Additionally, these authors point towards problems concerning lack of penetration, root undercut, inclusions and burn-through in the context of premature failure of pipelines.…”

Section: Phenomena Of Interestmentioning

confidence: 98%

Computer simulation of the processing of engineering materials with lasers theory and first applications

Groß¹,

Black²,

Müller³

2003

J. Phys. D: Appl. Phys.

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Current numerical simulations of laser materials processing are usually based on a greatly simplified process model in order to allow for short computation times. This significantly decreases their flexibility and ability for simulation of the great variation of today's processes and, consequently, accounting for their subtle but important differences. The theory utilized for building a simulation tool presented in this paper can be said to be truly three-dimensional as opposed to other reported work that uses symmetric boundary conditions. The interaction of the free surface of the liquid face is modelled which provides a significant increase in the amount of process detail captured. The investigators contend that numerical modelling of the above can only be achieved credibly using high performance computing methods, in particular parallelization techniques.

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Section: Phenomena Of Interestmentioning

confidence: 98%