[PDF] Top 20 Crack path in aeronautical titanium alloy under ultrasonic torsion loading
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Crack path in aeronautical titanium alloy under ultrasonic torsion loading
... growth in Mode II at the very first stage, but a crack growth bifurcation mechanism seems different for HCF and ...VHCF. In the case of VHCF branching can be observed in the bulk of material, ... Voir le document complet
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Crack initiation in VHCF regime on forged titanium alloy under tensile and torsion loading modes
... VT3-1 titanium alloy with superimposed static stress (R = ...observed in the two-phase titanium alloy. For example in [22] it was reported about clear step of SN - curve for ... Voir le document complet
9
Thermal response of DP600 dual-phase steel under ultrasonic fatigue loading
... of ultrasonic fatigue test systems working at very high frequencies (20 –30 kHz), it has been possible to investigate the fatigue behavior of materials up to a large number of cycles in a reasonable testing ... Voir le document complet
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A new piezoelectric fatigue testing machine in pure torsion for ultrasonic gigacycle fatigue tests: application to forged and extruded titanium alloys
... of ultrasonic techniques and the progress made in the computer industry have led to improvements in ultrasonic test- ing ...existing ultrasonic testing systems have limita- tions that ... Voir le document complet
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Thermal response of DP600 dual-phase steel under ultrasonic fatigue loading
... of ultrasonic fatigue test systems working at very high frequencies (20 –30 kHz), it has been possible to investigate the fatigue behavior of materials up to a large number of cycles in a reasonable testing ... Voir le document complet
10
The mechanism of fatigue crack growth in rubbers under severe loading: the effect of stress-induced crystallization
... tested under the same conditions as the diabolo sample but with a lower prescribed force (between 0 and 15 N) to account for the difference in cross-section area between the two sample ...the crack ... Voir le document complet
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Lattice structure of torsion classes for path algebras
... together in such inspiring environments. 1. Lattice structure of torsion classes for finite dimensional algebras ...closed under submodules, isomorphisms and ...classes in modΛ, and by f-torfΛ ... Voir le document complet
10
Aging of the β21S Titanium Alloy
... supplied in solution-state. The nominal composition of this alloy is: ...resulting in an -precipitated state. In these thermal states, aging treatments were performed in laboratory air ... Voir le document complet
5
Titanium and titanium alloy powder injection moulding: matching application requirements
... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. Access and use of [r] ... Voir le document complet
12
Titanium and titanium alloy powder injection moulding: matching application requirements
... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. For the publisher’[r] ... Voir le document complet
12
In theory, You crack under pressure!
... j∈[s ′ −1] p j < s ′ . Otherwise, we say the audience is s-soluble. The idea behind insolubility is the following. An audience which is s-insoluble contains less than s spectators who have shyness less than s. ... Voir le document complet
2
Strain-path dependent hardening models with rigorously identical predictions under monotonic loading
... monotonic loading test (UT, SS) up to large ...predictions in reverse shear due to kinematic ...smaller in UT and SS, compared with isotropic ...effect in reversal tests, but also hardening ... Voir le document complet
9
Influence of woven ply degradation on fatigue crack growth in thin notched composites under tensile loading
... G in each sample, it is necessary to take in to ac- count the fatigue modulus decay of thewoven ...fatigue crack growth tests duration and that woven modulus decay reaches an asymptotic value ... Voir le document complet
8
Regularised crack behaviour effects on continuum modelling of quasi-brittle materials under cyclic loading
... response under cyclic uni-axial loading ...proposed in [18] to achieve structural ...observed under cyclic ...cyclic loading are sparse due to control and repeatability ...addressed ... Voir le document complet
32
Aging of the β21S Titanium Alloy
... Effect of heat treatment on the microstructure SEM observations of the two types of specimens are reported in Fig.1 for the initial and aged states. As expected, the initial state of the solution-treated ... Voir le document complet
6
About the effect of plastic dissipation in heat at the crack tip on the stress intensity factor under cyclic loading
... the crack front is proportional to both the loading frequency and ( D K/ r y ) 4 , this effect should be more important for ductile metals (low yield stress) loaded under high stress intensity factor ... Voir le document complet
11
Thermal effect of plastic dissipation at the crack tip on the stress intensity factor under cyclic loading
... cyclic loading of a crack, the plasticity is located in the reverse cyclic plastic zone near the crack tip which was first explained by Paris [1] and studied later by Rice [2] ...instance ... Voir le document complet
13
About the effect of plastic dissipation in heat at the crack tip on the stress intensity factor under cyclic loading
... the crack tip, there is plastic dissipation in heat at the crack tip under cyclic ...the crack tip. A thermo-mechanical model is proposed in this paper for evaluating the ... Voir le document complet
29
Fatigue Crack Propagation in Gaseous Hydrogen Environment in Low Alloy Steel
... especially in high- strength steels [1]. In a gaseous hydrogen environment, these steels have been shown to exhibit a decrease in ductility under monotonic loading [2] and enhanced ... Voir le document complet
9
Strain field measurement in orthogonal machining of a titanium alloy
... Science Arts & Métiers (SAM) is an open access repository that collects the work of Arts et Métiers Institute of Technology researchers and makes it freely available over the web where possible. This is an ... Voir le document complet
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