Structure that is visible only at a high magnification, with the aid of a microscope after preparation, such as polishing or etching.
glossary
glossary
An alloy of mostly iron with low content of alloying elements such as carbon and manganese.
The iron oxide (FeO) coating normally found on the surface of hot rolled steels.
An arc-welding process wherein coalescence is produced by heating with an arc between a covered metal (stick) electrode and the work. Shielding is obtained from decomposition of the electrode covering. Pressure is not used and filler metal is obtained from the electrode.
The sum of the atomic weights of all the constituent atoms in the molecule of an element or compound.