E1457 (no change)
crack size, a [L]—principal lineal dimension used in the calculation of fracture mechanics parameters for through thickness cracks as defined in the applicable standard.
4.2.4.1 Discussion—In practice, the value of a is obtained from procedures for measurement of physical crack size, ap, original crack size, ao, and effective crack size, ae, as appropriate to the situation being considered.
4.2.4.2 Discussion—In this test method, the physical crack size is represented as ap. The subscript, p, is everywhere implied.
Date Initiated: 08-26-2022
Technical Contact: Charlotte Belsick
Item: 000
Ballot:
Status: