[PDF][PDF] 输气管道裂纹动态扩展及止裂技术研究进展
帅健， 张宏， 王永岗， 戴诗亮 - 石油大学学报: 自然科学版, 2004 - guandaobaohuchina.com
对输气管道裂纹动态扩展和止裂技术的研究工作进行了综合论述. 讨论了输气管道裂纹动态扩展
的止裂判据及输气管道止裂韧性的确定方法. 将输气管道裂纹动态扩展中的流体结构断裂相互 …
的止裂判据及输气管道止裂韧性的确定方法. 将输气管道裂纹动态扩展中的流体结构断裂相互 …
Background to the use of CTOA for prediction of dynamic ductile fracture arrest in pipelines
DJ Horsley - Engineering fracture mechanics, 2003 - Elsevier
The use of crack tip opening angle (CTOA) for the prediction of ductile fracture propagation
and arrest phenomena in gas filled pipelines is currently the subject of study by the gas …
and arrest phenomena in gas filled pipelines is currently the subject of study by the gas …
Crack tip opening angle optical measurement methods in five pipeline steels
PP Darcis, CN McCowan, H Windhoff… - Engineering Fracture …, 2008 - Elsevier
Crack tip opening angle (CTOA) is becoming one of the more widely accepted properties for
characterizing fully plastic fracture. In fact, it has been recognized as a measure of the …
characterizing fully plastic fracture. In fact, it has been recognized as a measure of the …
裂纹尖端张开角及在输气管线止裂预测中的应用
冯耀荣， 庄茁， 庄传晶， 由小川， 霍春勇 - 石油学报, 2003 - syxb-cps.com.cn
介绍了一种近年来新发展的输气管线断裂控制参量——裂纹尖端张开角(CTOA)
的计算模型及方法. 国际上计算输气管线动态断裂与止裂的PFRAC 软件中视裂纹扩展速度为 …
的计算模型及方法. 国际上计算输气管线动态断裂与止裂的PFRAC 软件中视裂纹扩展速度为 …
New numerical tools to calibrate the Two Curves Method using the CTOA criterion
MB Amara, G Pluvinage, J Capelle, Z Azari - Engineering Fracture …, 2019 - Elsevier
Abstract Based on the Crack-Tip Opening Angle (CTOA) fracture criterion and the finite
element method coupled with the node release technique, a New Two-Curve method (TCM) …
element method coupled with the node release technique, a New Two-Curve method (TCM) …
CTOA levels of welded joint in API X70 pipe steel
SH Hashemi, S Sedghi, V Soleymani… - Engineering Fracture …, 2012 - Elsevier
The CTOA toughness and fracture morphology of growing crack in spirally welded steel pipe
of grade API X70 were investigated. An optical test procedure based on modified double …
of grade API X70 were investigated. An optical test procedure based on modified double …
A single specimen CTOA test method for evaluating the crack tip opening angle in gas pipeline steels
SH Hashemi, IC Howard… - International …, 2004 - asmedigitalcollection.asme.org
Failure information from recent full-scale burst experiments on modern TMCP gas pipeline
steels having a yield strength level of 690MPa and higher has shown that the CTOA fracture …
steels having a yield strength level of 690MPa and higher has shown that the CTOA fracture …
[PDF][PDF] CTOA testing of pipeline steels using MDCB specimens
RL Amaro, JW Sowards, ES Drexler, JD McColskey… - J Pipeline Eng, 2013 - academia.edu
| HE CRACK-TIP-OPENING angle (CTOA) is used to rank the relative resistance to crack
extension of various pipeline steels, ln general, the smaller the CTOA value, the lower the …
extension of various pipeline steels, ln general, the smaller the CTOA value, the lower the …
Crack tip opening angle measurement through a girth weld in an X100 steel pipeline section
PP Darcis, CN McCowan… - Fatigue & Fracture of …, 2008 - Wiley Online Library
Crack tip opening angle (CTOA) is becoming one of the most accepted methods for
characterizing fully plastic fracture. It provides a measure of the resistance to fracture for a …
characterizing fully plastic fracture. It provides a measure of the resistance to fracture for a …
Experimental study of thickness and fatigue precracking influence on the CTOA toughness values of high grade gas pipeline steel
SH Hashemi, IC Howard… - International …, 2004 - asmedigitalcollection.asme.org
Recent experimental and computational studies have revealed that the CTOA fracture
criterion has the potential to assess steady state ductile rupture resistance during large …
criterion has the potential to assess steady state ductile rupture resistance during large …