| 摘要 |
A process for joining a first metal component to a second metal component at a joining region including the steps of: projecting a laser beam onto one or the components for providing a melt pool on the joining region; providing a metal filler wire into the melt pool while substantially simultaneously providing a substantially laminar flow of a substantially inert process shielding gas to the location of the melt pool wherein the process shielding gas flows substantially coaxially around the filler wire; and solidifying the melt pool thereby forming a joint at the joining.
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