Answer
Gutanga umusaruro birangwa n '' ishyirahamwe rihoraho ', aho isoko itagaruka ku burebure bwayo bwambere $ H_ {ubuntu} $ nyuma yo gupakururwa, ariko ibikoresho biguma mu gice kimwe. Mubigaragara, imiraba izagaragara neza. Ibi byerekana ko umutwaro washyizweho $ P $ warenze imipaka ya elastique. Umunaniro, ariko, bivamo kuvunika byuzuye. Munsi ya SEM (Scanning Electron Microscopy), kunanirwa numunaniro bizerekana 'striations' byerekana gukura kwiterambere hamwe n '' ikimenyetso cyinyanja ', hanyuma hagakurikiraho agace kavunitse vuba. Niba kuvunika ari kuvunika kandi bikabaho nyuma gato yo kwishyiriraho, byerekana Hydrogen Embrittlement cyangwa inenge yibintu; niba bibaye nyuma ya miriyoni yinzinguzingo, ni umunaniro wubukanishi hafi yumupaka wo kwihangana.
