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本文针对钛管焊接易出现的低温氧化和气孔缺陷,设计了局部保护罩,并制定了合理的焊接工艺,获得了RT一次合格率98%的优质焊缝。
Aiming at the low temperature oxidation and porosity defects appearing in the titanium tube welding, a partial protective cover was designed and a reasonable welding process was established. The excellent weld with the first pass rate of RT of 98% was obtained.