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The chemical reaction between mold material and titanium melt during investment casting was studied intensively. However, the influence of residue gas in ceramic mold on interface reaction remains unclear. In this investigation, the effect of residue gas in Y2O3–silica sol shell mold on interface reaction during Ti–6Al–4V alloy investment casting was investigated. Two groups of shell molds were prepared...
The forming process and mechanism of the reaction of Ti–6Al–4V investment casting made by Zr(CH3COO)2-Y2O3 shell in vacuum casting was studied. Statistic was manipulated to study the distributions and types of the reaction layers. The morphology and composition of the reaction layers were tested using field emission scanning electron microscopy (FESEM) combined with energy-dispersive spectroscopy...
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