Journal
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
Volume 53, Issue 5, Pages 2763-2767Publisher
SPRINGER
DOI: 10.1007/s11663-022-02598-z
Keywords
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Funding
- National Natural Science Foundation of China [52104295, U20A20277, 51861145312, 52050410341, 52011530180, 52150610494]
- Research Fund for Central Universities [N2025025, N2125016, N2125021]
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Bubble evolution behaviors have been thoroughly documented in the solidified slags detached from EH36 shipbuilding steel weld metals processed by CaO-Al2O3-SiO2-CaF2 fluxes. The decrease in CaF2 content leads to a decrease in bubble retention tendency, mainly caused by the disappearance of fluorite and cuspidine and the formation of amorphous phases.
Bubble evolution behaviors have been thoroughly documented from the solidified slags detached from EH36 shipbuilding steel weld metals processed by CaO-Al2O3-SiO2-CaF2 fluxes. As the CaF2 content decreases, bubble retention tendency attenuates, which is largely rendered by the disappearance of fluorite and cuspidine and the formation capacity of amorphous phases. Thermodynamic calculations show that bubbles are mostly induced by the synergistic effect of decreased amount of CaF2(g) and increased amount of SiO(g).
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