fracture toughness


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Related to fracture toughness: Stress intensity factor

fracture toughness

A measure of a member’s ability to absorb energy without fracture.
References in periodicals archive ?
In this work, the fracture toughness of rotationally molded PE and PP was measured for the first time.
fracture toughness in the linear elastic and elastic-plastic fracture mechanics regimes based on the stress intensity factor (K) and the energy parameter J-integral; and 3.
where [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] and [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] are the plain concrete fracture toughness for Mode II and the toughness due to the shear stress of the fracture process zone, respectively.
Many correlations have been established between fracture toughness and V-notch Charpy impact energy [2-7].
In heavy duty applications which put components under regular impacts, pressure or shock loads, such as downhole drilling or fracking where the tools hit rock formations, the fracture toughness is beneficial as brittle coatings wouldn't be able to survive the impact or deformations.
The details of material preparation and the full range of fracture toughness results are summarized in [18,19].
The goal of fracture toughness testing is to find the critical load for crack propagation using P-V curve.
An improvement of about 300% in fracture toughness of the sample reinforced with nanographite in comparison with the ceramic sample without the additive is among other achievements of the research.
From the table, it can be seen that fracture toughness of epoxy improved significantly with the addition of the 2.
Fracture toughness for the specimens was calculated in terms of critical stress intensity factor, [K.
The new steel contains no cobalt and only a relatively small amount of nickel and therefore is much less expensive than other ultra-high strength steels of high fracture toughness -- all of which contain large amounts of cobalt and nickel.
The fracture toughness, in other words the ability of a material containing a crack to resist fracture, has increased from 1.