Official Answer
Answer
Rashin gajiya a maɓuɓɓugan ruwan raƙuman ruwa yana farawa ne a madaidaicin matsi mai ƙarfi, yawanci diamita na ciki. Under Scanning Electron Microscopy (SEM), the presence of 'striations'—parallel lines marking each load cycle—confirms fatigue. Idan striations sun yi nisa sosai, yana nuna babban damuwa, gajiya mai ƙarancin zagayowar. Idan yana da kyau sosai, yana da ƙarancin damuwa, gajiya mai tsayi. A cikin 17-7PH, gazawar galibi ana haɓaka ta hanyar 'Alpha-prime' martensite embrittlement idan maganin zafi bai dace ba, wanda zai iya gani a matsayin ƙarin karaya saman kusa da wurin farawa.
