Engineering Materials
Following elements have face-centered cubic structure

All of these
Mg, Zn, Ti, Zr, Br, Cd
Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt
A iron (below 910°C and between 1400 to 1539°C), W

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Cobalt in steel

Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties
Improves wear resistance, cutting ability and toughness
Gives ductility, toughness, tensile strength and anti corrosion property
Improves cutting ability and reduce hardenability

ANSWER DOWNLOAD EXAMIANS APP