The composition and process flowsheet of deep water oilfield large size deep subsea pipeline steel have been designed and developed. The experimental batch results of X65QO steel seamless tube show that: through the optimization of micro alloy ...
熊刚, 夏文斌, 李端正, 田研
doaj
Temperature and load-ratio dependent fatigue-crack growth in the CrMnFeCoNi high-entropy alloy [PDF]
Multiple-principal element alloys known as high-entropy alloys have rapidly been gaining attention for the vast variety of compositions and potential combinations of properties that remain to be explored. Of these alloys, one of the earliest, the ‘Cantor
George, EP +5 more
core
A strain-based approach to study interaction between non-coplanar through-thickness edge notches
Structural integrity assessment procedures to assess the effect of interaction between multiple adjacent flaws normally consist of two stages. First, alignment rules categorize non-coplanar flaws as aligned or non-aligned.
De Waele, Wim +2 more
core +1 more source
Effect of notch shape on the fracture toughness behavior
This study evaluates the effect of notch shape on the fracture toughness of a 500 MPa base material designed for liquefied carbon dioxide storage tanks.
Jiseung Lee +3 more
doaj +1 more source
STUDY ON CRITICAL CTOD OF BIG-THICKNESS AND HIGH-STRENGTH STEELS
As one of the essential criteria of assessment to welding toughness,CTOD( Crack tip opening displacement) is widely applied in engineering.The research on critical CTOD of big thickness and high strength steels has been a hot issue,therefore the ...
XIA ZiYu +4 more
doaj
Microstructure and mechanical properties of 9Ni steel joints welded by NiCrMo filler alloy
Welding of cryogenic 9Ni steel is performed using NiCrMo alloy systems with different Nb and C contents. The microstructure and mechanical properties of the welded joints are investigated, and the fracture toughness of the joints under ultra-cryogenic ...
CHANG Zijin +5 more
doaj +1 more source
Three Dimensional Constraint Effects on the Estimated (Delta)CTOD during the Numerical Simulation of Different Fatigue Threshold Testing Techniques [PDF]
Variation in constraint through the thickness of a specimen effects the cyclic crack-tip-opening displacement (DELTA CTOD). DELTA CTOD is a valuable measure of crack growth behavior, indicating closure development, constraint variations and load history ...
Seshadri, Banavara R., Smith, Stephen W.
core +1 more source
High Strain Rate Response of Adhesively Bonded Fiber-Reinforced Composite Joints A Computational Study to Guide Experimental Design [PDF]
Adhesively bonded carbon fiber-reinforced epoxy composite laminates are widely used in aerospace applications. During a high energy impact event, these laminates are often subjected to high strain rate loading.
Justusson, Brian +5 more
core +1 more source
The Effects of Notch Geometry on Fracture Testing of Asphalt Concrete [PDF]
Asphalt concrete is commonly used as the surface layer on pavements because of its convenience, low cost, and smooth ride (Wagoner, 2005). However, there is a significant problem with the cracking and deterioration of asphalt concrete roads.
Porter, Rebekah
core +1 more source
A Literature Review of Incorporating Crack Tip Plasticity into Fatigue Crack Growth Models. [PDF]
Garcia-Gonzalez A +4 more
europepmc +1 more source

