The establishment and application of the DWTT method are reviewed. The abnormal fracture during DWTT of high strength,high toughess pipeline steel for thick wall pipes is also described.

 
  • 回顾和分析了管线钢DWTT方法的建立过程、应用情况以及在高强度、高韧性、大壁厚管线钢中存在的DWTT异常断口问题。
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