sample no. 1: milled surface (roughness Ra = 0.15 m)
sample no. 3: as-rolled plate (Ra = 4.81 m)
sample no. 5: smooth tungsten-inert gas (TIG) build-up welding
sample no. 6: rough TIG build-up welding
sample no. 7: smooth metal active-gas (MAG) build-up welding
and
- sample no. 8: rough MAG build-up welding