| 摘要 |
The invention concerns a method of providing a coating having a predetermined hardness on a substrate comprising the steps of attaching a magnetic steel powder on the outside of at least one consumable electrode core or wire, said powder including C and/or N in amounts selected in view of the predetermined hardness; feeding the powder into a pool, which is formed by an arc between the electrode(s) and the substrate and which pool comprises molten material from the electrode, the substrate and the powder; and cooling the coated substrate. |
