Answer
Kunanirwa kwimpeta yimpeta ubwayo ntibisanzwe kandi birangwa nisuku, $ 45 ° $ cyangwa vertical 'shear lip' hejuru yurukuta rwose rwa radiyo yimpeta, impeta igasigara muri ruhago ariko 'ikataguwe' mubice bibiri cyangwa byinshi. 'Groove Yield' irasanzwe kandi irangwa nimpeta isohoka muri ruhago, mugihe igikonyo ubwacyo kigaragara nk 'ibihumyo cyangwa cyaka. Kunanirwa gukata bibaho gusa mugihe igikoni nigice cyagumishijwe byombi birakomeye cyane (urugero, HRC $ 50 + $), bigatuma imbaraga za axial zose zikora nka 'guillotine' kumpeta. Ibi byakemuwe no kongera umubyimba wimpeta $ T $ cyangwa umubare wimpinduka.