a mixed mode of fracture in ductile metals, usually observed in round tensile specimen, in which part of the fracture occurs under plain-strain conditions and the remainder under plain-stress conditions (see: fracture), segamurd plastsete metallide ja tavaliselt ümarate proovitkehade korral, mil osa murdest on toimunud tasamoondeist tingitud, teise osa korral tasapingusest tingitud; ilmneb koonusekujulise murruna (vt murdepind)