percent reduction of area, percent reduction in area, percentage reduction of area, percent reduction of area at fracture, percent reduction in area at fracture, percent area reduction
materjali plastsusnäitaja, tähis Z; tõmbekatse käigus toimunud suurim ristlõikepindada muut, avaldatuna protsentides ristlõikealgpindala suhtes (vt ahenemine; vrd suhteline ahenemine), maxiumum change in cross-sectional area which has occured during the test, expressed as a percentage of original cross-sectional area, Z (see: cross-section reduction; compare: reduction of area)
