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发表于 2020-2-2 12:48:36
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Contents
Surface irregularities 1
Fig. 1 — Uneven weld bead ripples
Fig. 2 — Excessive weld reinforcement
Fig. 3 — Concave fillet weld, Convex fillet weld
Fig. 4 — Uneven-leg fillet weld
Fig. 5 — Undercut
Fig. 6 — Overlap
Fig. 7 — Herringbone, Pock mark, Mouse footmark
Fig. 8 — Underfill (Internal concavity)
Weld discontinuities 9
Fig. 9 — Porosity (Pit)
Fig. 10 — Porosity (Blowhole)
Fig. 11 — Slag inclusions
Fig. 12 — Incomplete fusion
Fig. 13 — Incomplete joint penetration
Fig. 14 — Excessive melt-through (Burn-through)
Fig. 15 — Cold crack (Root crack, Toe crack, Underbead crack, Transverse crack)
Fig. 16 — Cold crack (Lamellar tear)
Fig. 17 — Hot crack (Crater crack, Longitudinal crack, Pear-shape crack, Sulfur crack)
Appendix A 18 |
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