Official Answer
Answer
Karaya a lokacin shigarwa kusan koyaushe yana faruwa saboda 'Over-Straining' ko 'Karuwar Abu.' Idan kayan yana da ƙarfe mai ƙarfe mai ƙarfi, bincika hydrogen Embrittlement idan an yi masa plate ɗin kwanan nan. Idan yana da 17-7PH, duba bayanan kula da zafi; 'Mafi tsufa' ko 'Ƙarƙashin tsufa' na iya haifar da rashin dacewa. Geometrically, idan shigarwar mandrel ya yi girma, damuwa na fiber a diamita na waje na zobe zai wuce Ƙarfin Ƙarfin Ƙarfin Ƙarfi (UTS). Ya kamata a yi amfani da lissafin $ \ sigma = _x000c_rac {E imes t imes (D_{exp} - D_i)}{(D_i imes D_{exp})}$ don tabbatar da cewa nau'in $ \ epsilon $ yayin haɓakawa bai wuce ƙimar 'Elongation at Break' na kayan (yawanci 5-10% na waɗannan allo).
