High Strain Rate Compression of Martensitic NiTi Shape Memory Alloys

Qiu, Yu; Young, Marcus L.; Nie, Xu

doi:10.1007/s40830-015-0035-y

Cited by 19 publications

(7 citation statements)

References 42 publications

(75 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…At low loads, a small area of linear deformation in compression of porous NiTi-(Ar) and NiTi-(N) samples is mainly related to elastic deformation of martensite and its possible reorientation. For NiTi alloys, it has been shown that the mechanism of plastic deformation in compression is mainly related to the formation and migration of dislocations [32][33][34]. Therefore, an increase in load leads to the linearity deviation and a change in the deformation mode to dislocation due to reaching the dislocation yield strength.…”

Section: Resultsmentioning

confidence: 99%

Mechanical properties and corrosion resistance of porous nickel titanium alloys synthesized in different reactive atmospheres

Marchenko,

Shishelova,

Baigonakova

et al. 2023

Phys. Scr.

View full text Add to dashboard Cite

In the existing studies on the self-propagating high temperature synthesis of titanium nickelide, the main attention has been paid to the study of the influence of heating rate, synthesis start temperature, powder particle size, reaction gas pressure on the structure and properties of NiTi intermetallides. However, the influence of the reactive medium on the formation of surface intermetallic oxynitrides and the properties of the NiTi alloys has not been considered. In the present work, porous titanium nickelide alloys have been obtained by self-propagating high-temperature synthesis in two different reactive atmospheres, argon and nitrogen. The studies show that NiTi-(N) alloys synthesised in the nitrogen reaction atmosphere contain a large amount of brittle secondary Ti2Ni+Ti4Ni2O(N) phases which, in contrast to NiTi-(Ar), are predominantly distributed as small particles. The intergranular Ti2Ni phases in the NiTi-(Ar) alloy synthesised in the argon reaction atmosphere are observed as regions of extensive accumulation of Ti2Ni phase. The reactive nitrogen environment resulted in dispersion of the Ti2Ni phase and lower compressive strength of the porous NiTi-(N) alloy compared to NiTi-(Ar). However, both alloys have a compressive strength greater than human cancellous bone and can be successfully used for intraosseous implantation. At the same time, the porous alloys obtained in different reaction media are passive to electrochemical corrosion and resistant to dissolution in biological media containing chlorine.

show abstract

Section: Resultsmentioning

confidence: 99%

Mechanical properties and corrosion resistance of porous nickel titanium alloys synthesized in different reactive atmospheres

Marchenko,

Shishelova,

Baigonakova

et al. 2023

Phys. Scr.

View full text Add to dashboard Cite

show abstract

“…It is confirmed that the flag-shaped hysteric loop of the SMA material can be seen up to 1000s -1 . Many researchers, [9], [11], [20] , [21] , [22], [23], [24], [25] , [26], [27] and [28], studied the behaviour of SMA under low, medium, and high strain rates. The presented studies show that the range of strain rate for which the SMA maintains its energy dissipation capacity characteristics is up to 1000s -1 .…”

Section: Effect Of Strain Ratementioning

confidence: 99%

Behaviour of Smart Steel Column‐Beam Connection Under Blast Loading

Weli¹,

Gergely

2021

ce papers

View full text Add to dashboard Cite

The generated damages in steel structures due to terrorist attack explosion has attracted structural engineering communities, because the effect of blast loading is extremely sever and destructive. The behavior of Superelastic Nickle Titanium Shape Memory Alloy (NiTi SMA) beam‐column connection was infrequently studied under the effect of blast loading. The present study develops smart steel beam‐column connection under the effect of blast loading. The performance of the proposed connection configuration is evaluated numerically to make better understanding of the conceptual design of NiTi SMA‐based smart bolted connections. NiTi SMA‐based smart connection stiffness and strength is determined based on Eurocode steel joint design procedures. Analytically, Simplified Kingery Airblast Calculations approach is used to generate time history blast reflected overpressure parameters. The austenite effect of NiTi‐SMA is introduced to the global 2D frame model by moment rotation capacity curves. The structural components are verified in Ultimate Limit State (ULS) by using the results of global 2D model. The outputs from the 2D global model is introduced in sub‐numerical models. The sub‐models examined by finite element software code. The result shows that the hysteresis flag‐shaped loop of NiTi‐SMA is well expressed by the sub‐models' numerical solutions. As a result, the proposed connection configuration can highlight the efficiency of NiTi‐SMA in terms of energy dissipation capacity under blast loading successfully.

show abstract

“…Compared to uniaxial tests, experiments under shear and indentation have been conducted less frequently [32]. Simple shear tests on NiTi SMAs were performed early by Manach and Favier [33], while a more comprehensive study within a wider range of strain rates from 10 −4 s −1 to 10 3 s −1 was accomplished by Huang et al [34].…”

Section: Introductionmentioning

confidence: 99%

Strain Rate Effect on the Thermomechanical Behavior of NiTi Shape Memory Alloys: A Literature Review

Wang

Luo

Kuang

et al. 2022

Metals

View full text Add to dashboard Cite

A review of experiments and models for the strain rate effect of NiTi Shape Memory Alloys (SMAs) is presented in this paper. Experimental observations on the rate-dependent properties, such as stress responses, temperature evolutions, and phase nucleation and propagation, under uniaxial loads are classified and summarized based on the strain rate values. The strain rates are divided into five ranges and in each range the deformation mechanism is unique. For comparison, results under other loading modes are also reviewed; however, these are shorter in length due to a limited number of experiments. A brief discussion on the influences of the microstructure on the strain-rate responses is followed. Modeling the rate-dependent behaviors of NiTi SMAs focuses on incorporating the physical origins in the constitutive relationship. Thermal source models are the key rate-dependent constitutive models under quasi-static loading to account for the self-heating mechanism. Thermal kinetic models, evolving from thermal source models, address the kinetic relationship in dynamic deformation.

show abstract

High Strain Rate Compression of Martensitic NiTi Shape Memory Alloys

Cited by 19 publications

References 42 publications

Mechanical properties and corrosion resistance of porous nickel titanium alloys synthesized in different reactive atmospheres

Mechanical properties and corrosion resistance of porous nickel titanium alloys synthesized in different reactive atmospheres

Behaviour of Smart Steel Column‐Beam Connection Under Blast Loading

Strain Rate Effect on the Thermomechanical Behavior of NiTi Shape Memory Alloys: A Literature Review

Contact Info

Product

Resources

About