Results 11 to 20 of about 1,905 (154)
X70 STEEL CRITICAL CTOD VALUE ANSYS CALCULATION
Jixie qiangdu, 2015 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 +2 more sources
Effect of numerical parameters on plastic CTOD [PDF]
Fracture and Structural Integrity, 2017 Fatigue crack growth (FCG) is associated with irreversible and non-linear processes happening at the crack tip. This explains different problems observed in the use of da/dN-?K curves, namely the inability to explain stress ratio and load history effects.
F.V. Antunes +3 more
doaj +6 more sources
A modified model for calculating crack tip opening displacement (CTOD) considering fracture process zone (FPZ) in rock [PDF]
Geomechanics and Geophysics for Geo-Energy and Geo-ResourcesA new CTOD calculation method is investigated in this study, considering the FPZ and the effective Young’s modulus. The calculated CTOD values from four theoretical models are compared with the measured CTOD values from the three-point beam experiments ...
Yang Qiao, Zong-Xian Zhang, Jun Zhou
doaj +2 more sources
STUDY ON CRITICAL CTOD OF BIG-THICKNESS AND HIGH-STRENGTH STEELS
Jixie qiangdu, 2015 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 +2 more sources
Hierarchical Twin Networks Enable Exceptional Strength and Fracture Toughness in Titanium. [PDF]
Adv Sci (Weinh)A commercial‐purity titanium with hierarchical ultrafine twin structures delivers an exceptional combination of fracture toughness (KJIc) of 187 MPa·m1/2 and specific yield strength of 140 MPa·cm3·g−1, in which pre‐engineered high‐density twin boundaries stimulate massive and
Zou XW, Zhu T, Ma E, Han WZ.
europepmc +2 more sources
Electrostatically Reinforced Double Network Granular Hydrogels. [PDF]
Adv Sci (Weinh)Electrostatically reinforced double network granular hydrogels (DNGHs) with cartilage‐like fracture energy are introduced. An empirical model predicts the composition‐dependent fracture energy based on dissipation zone size, contact area, and inter‐particle adhesion energy. Thanks to their granular structure and the inter‐particle attraction, the DNGHs
Yuan T, Li C, Kolinski JM, Amstad E.
europepmc +2 more sources
Strain Field Around Individual Dislocations Controls Failure. [PDF]
Small MethodsBy conducting in situ transmission electron microscopy strain mapping during a nanoscale fracture experiment, the dislocation processes taking place at the crack tip in the rather brittle metal chromium is detailed. Moreover, for the first time, the local stress fields of the dislocations shielding the crack is directly measured. Abstract Understanding
Gammer C +4 more
europepmc +2 more sources
Measurement and prediction of CTOD in austenitic stainless steel [PDF]
, 2019 Variation of Crack Tip Opening Displacement (CTOD) test values can have a significant effect on the Engineering Critical Assessment of a structure. This paper examines the development of CTOD with increasing load in an austenitic stainless steel.
Moore, P L +4 more
core +2 more sources
CHARACTERIZATION OF THREE HIGH YIELD CONSUMABLES FOR CONTINUOUS WIRE WELDING (FCAW) MADE WITH SEAMLESS TECHNOLOGY AND CORRELATION BETWEEN THEIR MICROSTRUCTURE AND FRACTURE TOUGHNESS (CTOD) [PDF]
, 2023 openIl processo di saldatura a filo continuo offre notevoli vantaggi e può essere impiegato nei campi più disparati, dal settore Pipeline allo Shipbuilding, oltre a una spiccata predisposizione dello stesso all'automatizzazione.
BELLONI, MARCO
core
, 2022 Experiences and test results of IWM concerning the fracture mechanic characterization of multipass submerged arc and manual metal arc welds in thick components of C-Mn, steel are described.
Blauel, J.G., Burget, W.
core +1 more source