Results 51 to 60 of about 3,061 (207)
ABSTRACT At the near‐threshold regime, small irregularities on the surface can interact with the microstructure and affect the nucleation and propagation of cracks. Molecular dynamics is an effective methodology to investigate the damage evolution at this scale, and three types of defects, namely, triangular, rectangular, and crack, are examined.
Francesco Gucci +3 more
wiley +1 more source
X70 STEEL CRITICAL CTOD VALUE ANSYS CALCULATION
With the development of ocean engineering,increase in the number of project exploration of Marine oil and gas,natural gas and oil transportation engineering are increasingly developed.
YE YunQin, MIAO ZhangMu, ZHANG BuAi
doaj
A Structural Integrity Perspective for the Assessment of Ageing in Composite Solid Propellants
ABSTRACT Composite solid propellants (CSPs) are critical materials in the defence and aerospace industries, known for their complex mechanical behaviour and susceptibility to ageing. This study explores the application of Principal Component Analysis (PCA) to discriminate the ageing degradation of CSPs based on structural integrity parameters.
Mario Martínez +3 more
wiley +1 more source
Racial Differences in Left Ventricular Mass and Wave Reflection Intensity in Children
The burden of heart failure is disproportionately higher in African Americans, with a higher prevalence seen at an early age. Examination of racial differences in left ventricular mass (LVM) in childhood may offer insight into risk for cardiac target ...
Kevin S. Heffernan +4 more
doaj +1 more source
Low-cycle Fatigue and Fracture Behaviour of 9%Ni Steel Flux Cored Arc Welding joint at Cryogenic Temperature [PDF]
In the present work, low-cycle fatigue (LCF) test and crack tip opening displacement (CTOD) test were performed for 9% Ni steel flux cored arc welding (FCAW) joint at room temperature (296 K) and cryogenic temperature (80 K).
Mu Weidong +3 more
doaj +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
Convenient method for estimation of JIC by CTOD.
The JSME standard (S-001) for determination of JIC recommended to draw the blunting line or to measure the stretched zone width by an electron microscope. However, this procedure is taken trouble to measure these values. Following the British Standard BS5762, the CTOD value, Φi, at the onset of the ductile fracture is determined by using the CTOD ...
KAWANO, Shun-ichi +2 more
openaire +2 more sources
Limestone or river aggregates have been traditionally used as aggregates in ready‐mixed concrete from the past to the present. The depletion of these natural aggregates used in ready‐mixed concrete has led the concrete industry to investigate aggregate resources and search for alternative aggregates.
Senem Yilmaz Cetin +2 more
wiley +1 more source
Application of CTOD in Atomistic Modeling of Fracture
AbstractIn atomistic modeling of fracture, most examinations are based on the Griffith energy, calculated from the surface energy, and the stress intensity factor derived from continuum mechanical formulations. Both approaches, however, reflect continuum mechanics and lack the direct connection to the atomistic crack tip mechanisms, and it is thus ...
openaire +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

