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Ti,N和C对X70管线钢管焊缝热影响区韧性的影响

Cui-yan LI,Cheng BIAN

Welded Pipe and Tube（2010）

Cited 3|Views4
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Abstract
介绍了7种 Ti,N,C含量不同的 X70管线钢的理化特性,并通过CTOD试验、夏比冲击试验和Gleeble热模拟试验,分析了不同Ti,N,C含量对X70管线钢管环焊缝热影响区韧性的影响.最后指出,当Ti含量和Ti/N比都降低时,TiN粗大晶粒的数量将随之减少,焊缝热影响区韧性提高.
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Key words
X70 line pipe,Gleeble thermal simulation,heat affected zone(HAZ),CTOD test
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