The formation mechanism of bulging and cracking of combustor inner liner and his influence on gas turbine exhaust temperature dispersity was analyzed.

分析了火焰筒鼓包和破裂的形成机制对燃气轮机排气温度分散度的影响，提出了相应措施，以防止因燃烧恶化对热通道部件的伤害。

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Moreover, they are able to decrease the temperature and increase the stress of hot cracking formation, as a result, decrease the tendency of hot cracking.

同时，稀土使合金的热裂纹形成温度降低，增加了热裂纹形成应力，降低了合金的热裂倾向性。

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These conclusions are important theory to guide the study of the formation mechanism of cold cracking in the two sides of fusion line of dissimilar steel welded joint.

所得结论、对研究异种钢接头熔合线两侧的冷裂纹的形成机理有其理论指导作用。

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