brittle fracture


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Related to brittle fracture: fatigue fracture, Ductile fracture

brittle fracture

[¦brid·əl ′frak·chər]
(metallurgy)
A break in a brittle piece of metal which failed because stress exceeded cohesion.

brittle fracture

Said of a fracture that takes place with no prior ductile deformation.
References in periodicals archive ?
In case when both plastic deformation and brittle fracture take place in approximately equal proportions, the mixture of two types AE results either in [U.sup.*.sub.RMS] increase or in continues AE superimposed with high energy burst signals.
We have learned how to produce clean steels, we can assure ourselves that a weldment is sound, and we can determine whether the structure is susceptible to an unanticipated brittle fracture. None of the procedures used to accomplish those goals were viable tools in 1944.
Firoozabadi, "Theoretical and experimental investigation of brittle fracture in V-notched PMMA specimens under compressive loading," Engineering Fracture Mechanics, vol.
Mechanism responsible for brittle fracture of notched specimens is known to be crazing.
The energy required for brittle fracture is proportional to the square of a characteristic dimension, which can be depth of cut, the energy required for plastic deformation is proportional to the cube of the characteristic dimension: the energy ratio of plastic flow to fracture is therefore proportional to the characteristic dimension.
As the break in the upper structure enlarges, 31 [degrees] F water flowed in, placing the steel into the brittle fracture zone (thermal shock), and substantially reducing its strength.
Effect of the Yield Criterion of the Matrix on Brittle Fracture of the Fibre
In contrast, brittle fracture takes place without yielding, and is characterized by minimal deformation or elongation.
In particular, the time it takes to transition from ductile to brittle fracture is different for Charpy samples taken along different orientations relative to the plastic defonnation.
In various studies [1-2] mostly brittle fracture is researched and plastic fracture studies are much more rare [3].
Since pipeline steels are ductile, pipe body defects generally do not pose brittle fracture risk.