Official Answer
Answer
Asara mai kaya, ko shakatawa na danniya, yana faruwa lokacin da zafin jiki na aiki ya wuce matakin kwanciyar hankali na kayan, yana haifar da nakasar roba ta juye zuwa nakasar filastik (creep). Misali, marmaro na karfen carbon zai fara shakatawa a yanayin zafi ƙasa da $250^{\circ}F$. Atom ɗin da ke cikin lattice suna samun isasshen ƙarfin zafi don ƙaura, yana rage tashin hankali na ciki. Idan tsarin ya gaza saboda asarar kaya, za a auna tsayin kyauta na bazara da gajeru fiye da ainihin ƙayyadaddun sa. Maganin shine haɓakawa zuwa gaɗaɗɗen gawa mai ƙarfi kamar Inconel X-750 ko A286, waɗanda aka ƙera don kula da tsarin lattis ɗinsu a yanayin zafi mafi girma.
