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介绍了φ622毫米Ti-6Al-4V合金大型铸锭的解剖分析工作。分析表明,Ti-6Al-4V合金铸锭各部位的化学成份均匀,组织无异常。铸锭的结晶组织与一般电弧炉熔炼铸锭的组织相似。从而表明,现行熔炼工艺是合理的。
The anatomical analysis of large ingot of φ622mm Ti-6Al-4V alloy is introduced. Analysis shows that Ti-6Al-4V alloy ingot all parts of the chemical composition of uniform, no abnormal tissue. The ingot’s crystalline structure is similar to that of a typical EAF smelting ingot. This shows that the current smelting process is reasonable.