Question

Name List two types of dislocations. The atom percentage for an alloy containing 90 wt% Au and 10% Ag is-i For an ASTM grain size of 8, the number of grain per square inchis In Cu single crystal, the surface energy of (001) İs lower than that of (1 1) T A low carbon steel contains 0.1 Swt% C, the number of C in a unit cell is- Scare 2s 2pts) -(2pts). (2pts) F-(2pts) -(2pts) 5 A twin boundary is a line defect. TF (2pts) 7 The number of vacancies per cubic meter at 1000°C in a metal with vacancy formation encrgy of 1.22 eV/atom, density of 6.25 g/em, atomic weight of 374 g'mol is 8 The two diffusion mechanisms include 9 The driving force for diffusion is: 10 C diffuses faster in Cu than in iron. TF(pis) (2pt3) (2pts) 2pts) and 1l 0G Precxponential and activation enenes

Answer 1