A titanium alloy spherical gas cylinders leaked under hydraulic test. Macro examination, fracture analysis (SEM), metallographic structure, energy dispersive spectrometry (EDS), hardness testing and chemical composition analysis methods were used. The results revealed that the fracture mode was brittle fracture, and aluminum-rich segregation around the crack was the cause of the cracking.
Key words
titanium alloy spherical gas cylinders,leakage,aluminum-rich segregation
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Footnotes
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