DWTT

Analyzing of Factors Influencing DWTT Performance on Pipeline Steel

管线钢落锤性能的影响因素分析

Establishment Application and Development of DWTT Method for Pipeline Steel

管线钢落锤撕裂试验方法的建立、应用及发展

The delamination crack and its effect on the fracture of pipeline steel were investigated by drop-weight tear test ( DWTT) at different temperature and micrograph analysis.

通过对管线钢不同温度的落锤撕裂试验和微观断口分析，研究了DWTT试样断口的分层裂纹及其对断裂的影响。

Experimental Investigation to Fracture Behaviors of Drop-Weight Tear Test ( DWTT) Specimens for High Performance Pipeline Steel

高性能管线钢落锤撕裂试样断裂性能的试验研究

It is simple and reliable that DWTT result judge high stress and high toughness pipeline.

落锤撕裂试验(DWTT)作为一种比较可靠的高强度高韧性管线钢的断裂判据,简单可靠.

Causes of DWTT specimen failure for medium thickness pipe are material brittleness addition and V-shape nick.

简单分析了中厚壁钢管产生DWTT无效试样的原因是材料脆性增加和试样V形缺口.

Research on Practical Standard for DWTT of Line Pipe

输送钢管落锤撕裂试验标准的探讨

Analysis on Abnormal Fracture of DWTT Specimen for Pipeline Steel with High Property

高性能管线钢DWTT试样异常断口分析

The correlation analysis between cooling medium and cooling result of DWTT specimen

落锤试验试样的冷却方式和冷却效果相关性分析