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.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Fracture toughness testing involved loading a bar of metal, containing a notch that has been sharpened by growing a fatigue crack to the required depth, until the point of failure.
Furthermore, several relationships are presented that were used for subsequent calculation of several mechanical fracture parameters, including bending Young's modulus, fracture toughness and fracture energy.
The present work primarily aims at determination of fracture toughness from cyclic ball indentation test and the non-linearity of the material is validated through FEA.
Opening the crack-tip can be used to measure fracture toughness. This approach demonstrates how hot tears can be predicted and how these indicators can be used in a defect analysis with different casting geometries.
The normalized fracture toughness, [Y.sub.I], is given by the following analytical expression [3, 13-15]:
[16, 17] have already tested the clay and obtained another equation between the fracture toughness and tensile strength:
Fracture toughness tests were conducted using servo hydraulic MTS BIONIX testing machine (load cell [+ or -] 5 kN).
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.
In the present study, the nanohardness and Young modulus, yield strength, and fracture toughness values were determined and compared (Table 3).
In the fracture toughness tests, four samples were coated within the range of Hardide-T hardness values and tested using a nano-indenter.
There are standardized fracture test methods for the so-called mode I (tensile opening) [14] and mode II (in-plane shear) [15] interlaminar fracture toughness or delamination resistance, as well as mixed mode I/II [16], all under constant displacement loading.