Official Answer
Answer
Creep shine nakasar da ta dogara da lokaci na abu a ƙarƙashin matsananciyar damuwa ƙasa da ƙarfin yawan amfanin sa, yana faruwa a yanayin zafi. Idan raƙuman ruwa da aka yi da $302 Bakin Karfe yana aiki akan $500^{∘}F$ ($260^{∘}C$), yana kusa da iyakar aikinsa. Motsin atom ɗin yana ƙaruwa, yana barin rarrabuwar kawuna don hawa da yawo, yana haifar da asarar tsayi kyauta $H_f$ kuma saboda haka asarar kaya $P$. Shirya matsala ya ƙunshi auna asarar tsayi a kan lokaci. Haɓaka kayan abu zuwa $17-7PH$ CH900 ko, don ma mafi girman kwanciyar hankali, Inconel X-750 ana ba da shawarar. Inconel X-750 yana kiyaye kaddarorin sa na roba har zuwa $1300 ^{∘}F$ saboda $\gamma'$ ƙarfafa matrix, wanda ke tsayayya da tsarin rarrafe a matakin $500^{∘}F$.
