plastsuse suurenemise hüdrostaatilisel ruumpingusel, nt hüdrostaatekstrudeerimisel (vt ruumpingus; hüdristaatpingus)
increase in material ductility (and plasticity) with the help of triaxial hydrostatic pressure on a workpiece e.g. during hydrostatic extrusion (see: triaxial stress; hydrostatic stress state)
