Answer
Carbon karfe karkace zobba (SAE 1070-1090) suna da matukar saukin kamuwa da hydrogen embrittlement a lokacin acid pickling ko zinc/cadmium electroplating. Atomic hydrogen yana shiga cikin lattice mai ƙarfi na martensitic, yana ƙaura zuwa wuraren da ke da matsanancin damuwa (diamita na ciki na zobe). Wannan yana haifar da karaya a ƙarƙashin kaya da kyau a ƙasa da iyakar ƙira. Don rage wannan, tsarin 'baking' wajibi ne: dole ne a toya zobe a $375-400^{\circ}F$ ($ 190-205 ^{\circ}C$) na akalla $4$ zuwa $24$ a cikin sa'a daya na aikin plating. Wannan yana ba da damar hydrogen ya fita daga karfe. Rashin yin gasa yana haifar da 'jinkirin karaya', inda zoben na iya bayyana lafiya bayan shigarwa amma yana kama kwatsam sa'o'i ko kwanaki daga baya a ƙarƙashin kaya mai tsayi.
