The influences of different In contents (3.0, 3.4, 3.8, 4.2 wt.%) on hardness and microstructure were investigated at different internal oxidation temperatu
AC arc generated during the electromagnetic relay (EMR) action process under AC load will cause the contact erosion and shorten the life time of relay.The i
Electrical contacts are widely used for telecommunication and electric power as a device directly making and breaking electric current.In the future, those