Ngokwesiqhelo, kukho izixhobo ezahlukeneyo eziqinisekisiweyo zokwenza imivalo yokuvuthela. Ezi ziquka iintsimbi zemanganese, iintsimbi ezinesakhiwo semartensitic (ekubhekiselwe kuzo koku kulandelayo njengeentsimbi zemartensitic), iintsimbi zechrome kunye neMetal Matrix Composites (MMC, egceramic), apho iintsimbi ezahlukeneyo ...
Funda ngokugqithisileyo