Official Answer
Answer
Damuwa Lalacewar Cracking (SCC) yana bayyana kwatsam, karaya mai karyewa ba tare da nakasu mai mahimmanci ba, har ma a cikin kayan ductile kamar 17-7PH. Yana faruwa ne saboda kasancewar danniya mai ƙarfi a lokaci guda (ƙwaƙwalwar 'ƙwaƙwalwa' shigarwa) da matsakaici mai lalata (chlorides). Binciken da ba a iya gani ba na saman karaya zai nuna 'reshe' transgranular ko intergranular fasa. A cikin riƙon zoben, 'ƙarshen' waya da' 'ƙirar cirewa' sune wuraren farawa gama gari saboda matsanancin damuwa na gida. Don hana SCC, injiniyoyi yakamata su tabbatar da wucewa mai kyau, yi la'akari da canzawa zuwa gariyar juriya kamar Inconel 718, ko rage damuwa na shigarwa ta haɓaka diamita na tsagi.
