root of weld

root of weld

[′rüt əv ′weld]
(metallurgy)
The points at which the bottom of the weld and the base metal surfaces intersect. Also known as root.
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References in periodicals archive ?
Caption: Figure 15: Appearance of the butt weld joint prepared with the laser power of 800 W and the laser offset of 250 [micro]m: (a) bead of weld and (b) root of weld.
Samples were welded by inverter source Migatronic PI 200, direct current with direct polarity, with use of fixture for root of weld protect.
Atkinson and Turner [22] reported that pores in a weld were reduced when the root of weld groove was open.
Microhardness examination illustrated in figure 4 was done on the three different layers: layer 1 is the top of the weld bead, layer 2 is in the middle and layer 3 is located to the root of weld bead (Dumitrache, 2000).