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- Title
EFFECT OF NONMETALLIC INCLUSIONS ON STEEL WELDS METAL HOT CRACKING.
- Authors
ZORC, B.; IMAMOVIĆ, M.; NAGODE, A.; STOIĆ, A.; KOSEC, B.; SAMARDŽIĆ, I.; KOSEC, L.
- Abstract
Intercrystally distributed nonmetallic inclusions greatly increase weld susceptibility to hot cracking. Oxide and sulphide inclusions are the result of contaminated base material or its highly oxidised surfaces and they can be a consequence of metallurgical reactions between welding slag and remelted base material, while carbide inclusions can occur due to the mixing of high-carbon base and low-carbon Āller material. All welding surfaces must thus be cleaned before welding and the least possible mixture of base with Āller material must be enusured during welding.
- Subjects
INCLUSIONS in steel; STEEL welding; METAL fractures; SULFIDES; METALLURGY; SLAG; DISSOLUTION (Chemistry)
- Publication
Metalurgija, 2014, Vol 53, Issue 2, p171
- ISSN
0543-5846
- Publication type
Article