Spall strength of titanium alloys

Divakov, A. K.; Mescheryakov, Yu. I.; Zhigacheva, N. I.; Барахтин, Б. К.; Gooch, William A.

doi:10.1016/j.physme.2010.07.002

Cited by 9 publications

(3 citation statements)

References 5 publications

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“…In studies on the shock wave loading of TiNi samples [14] it is found that the martensitic transformation can occur in the time interval 0.1-0.2 μs. Similar results are obtained in the studies of shock wave loading of titanium alloy samples, which can undergo the  phase transformation [15]. In [14,15] the registered time delays in the movement of the free surface of a sample related to the transformation are 0.1-0.7 μs.…”

Section: Introductionsupporting

confidence: 83%

“…Similar results are obtained in the studies of shock wave loading of titanium alloy samples, which can undergo the  phase transformation [15]. In [14,15] the registered time delays in the movement of the free surface of a sample related to the transformation are 0.1-0.7 μs. These delays are due to the difference between the velocities of propagation of the elastic and of the transformation waves.Thus, this time cannot be identified with the duration of the martensitic transformation but it can be considered as an upper estimate of the time needed for causing the martensitic transformation by shock-wave loading.…”

Section: Introductionsupporting

confidence: 83%

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Strain Recovery by TiNi Element Under Fast Heating

Volkov

Volkova

2018

Shap. Mem. Superelasticity

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A theoretical and experimental study of strain recovery under fast heating of a shape memory alloy (SMA) rod preliminarily stretched in the martensitic state is carried out. Two theoretical models are considered: instantaneous heating and heating with temperature variation during a finite time. In the first case it is supposed that the straight SMA rod experiences an instantaneous reverse martensitic transformation, and in the second the transformation is supposed to progress at a rate corresponding to the temperature rate. Analytical expression for the time dependence of the rod free end displacement is obtained. In the experiment a wire specimen made of titaniumnickel SMA was heated by a short impulse of electric current. The variation of the specimen length in time was registered. Thus, it has been shown that the minimum operation time of an SMA actuator (time needed for the strain recovery) can be reduced to 20 µs. Comparison of the theoretical results with the experimental ones leads to the conclusion that the displacement variation in time is controlled by the rate of heating and the inertial properties of the specimen. The incubation time of the martensitic transformation on the micro-scale apparently is estimated as less than 1 µs.

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Section: Introductionsupporting

confidence: 83%

Section: Introductionsupporting

confidence: 83%

Strain Recovery by TiNi Element Under Fast Heating

Volkov

Volkova

2018

Shap. Mem. Superelasticity

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“…In addition to the SIM phase transition, titanium and its alloys may also undergo x$ω phase transition when the shock wave amplitude is high enough [10,[22][23][24]. Where x represents α, α 0 , β or their mixture, and "$" indicates that the phase transition process is reversible.…”

Section: Introductionmentioning

confidence: 99%

Shock-Induced Mechanical Response and Microstructure Evolution of Titanium Alloys

Ren¹

2023

Titanium Alloys - Recent Progress in Design, Processing, Characterization, and Applications

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The application of titanium alloys in weaponry is increasingly widespread, due to their high specific strength and excellent corrosion resistance. The weapons such as armors must be subjected to intense shock loads caused by explosion and hyper-velocity collision, etc., during service. Therefore, their service performance is closely related to the shock-induced response characteristics of materials, especially the microstructural evolution during the shock pulses and its effect on the mechanical properties. This chapter introduces the research progress on the shock response of some typical titanium alloys such as Ti-6Al-4V, Ti-10V-2Fe-3Al, and Ti-3.5Al-10Mo-8V-1Fe. The effects of alloying composition (alloy type) and stress amplitude on the shock-induced mechanical response and microstructural evolution of titanium alloys are explored through soft recovery shock experiments, quasi-static reloading tests, as well as careful multi-scale microscopic analyses.

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Dynamic stress–strain properties of Ti–Al–V titanium alloys with various element contents

Hui

et al. 2013

Rare Met.

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Spall strength of titanium alloys

Cited by 9 publications

References 5 publications

Strain Recovery by TiNi Element Under Fast Heating

Strain Recovery by TiNi Element Under Fast Heating

Shock-Induced Mechanical Response and Microstructure Evolution of Titanium Alloys

Dynamic stress–strain properties of Ti–Al–V titanium alloys with various element contents

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