Shape-memory
Internal stresses in steel plate generated by shape memory alloy inserts
... To cite this version : Malard, Benoit and Pilch, Jan and Sittner, Petr and Davydov, Vadim and Sedlák, Petr and Konstantinidis, K. and Hughes, Darren J. Internal stresses in steel plate generated by shape ...
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THEORETICAL AND NUMERICAL ANALYSIS OF FRACTURE OF SHAPE MEMORY ALLOYS
... and shape memory effect from a thermomechanical point of view, and set up thermomechanical constitutive equations along with the phase trans- formation kinetics based on an exponential hardening ...
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Thermoreversibly cross-linked poly-ε-caprolactones for shape memory materials
... Linear and multi-arm star shaped PCL precursors have been selectively functionalized at their chain ends either by furan (diene) or maleimide (dienophile). Typically, a stoichiometric amount of furan-bearing and ...
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Multi-scale Analysis of the Fatigue of Shape Memory Alloys
... of Shape Memory Alloys Keywords: Shape Memory Alloy; Pseudoelasticity; Martensitic Transformation; Fatigue; Lüders-like ...Abstract: Shape Memory Alloy (SMA) is a typical smart ...
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A comprehensive approach for fatigue analysis of shape memory alloys
... For Shape Memory Alloys under pseudoelastic loading, we identified four issues that must be taken into account in order to get an accurate evaluation of the fatigue lifetime of a SMA struc- ...by ...
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Synthesis and characterization of recyclable chemically-crosslinked shape memory materials
... CROSSLINKED SHAPE MEMORY MATERIALS Thomas Defize, Raphaël Riva, Jean-Michel Thomassin, Christine Jérôme*, Michaël Alexandre Center for Education and Research on Macromolecules (CERM), University of Liege, ...
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Constitutive equations for superelasticity in crystalline shape-memory materials
... With this brief introduction, the purpose of this thesis is to formulate and nu- merically implement a crystal-mechanics-based constitutive model for shape-memory mate[r] ...
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Nitride coating enhances endothelialization on biomedical NiTi shape memory alloy
... vascular stent material due to its shape-memory, super-elastic properties and good biocompatibility. Moreover, the mechanical behavior of NiTi stented vessels is more similar with that of non-stented vessel ...
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Shape Memory Effect and Properties Memory Effect of Polyurethane
... Properties Memory Effect Figure 15 compares the storage (elastic) modulus of the sample in two steps of the shape memory tests, initial state (before ten- sile test) and after recovery ...initial ...
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Nonlinear oscillations and chaotic response of Shape Memory Alloys
... 8.Zaki W., Zamfir S., and Moumni Z. An extension of the zm model for shape memory alloys accounting for plastic deformation. Mechanics of Materials, 42:266–274, 2010. 9.Moumni Z. Sur la mod´elisation du ...
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2020 — Modeling of bulk and porous shape memory alloys
... porous shape memory alloys Hamid KHODAEI ABSTRACT The unique properties of shape memory alloys (SMAs), including shape memory effect and superelasticity, have found applications ...
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Design and characterization of thermally-induced shape memory polymers
... Introduction Shape memory polymers are regarded as smart materials that can return to their permanent shape from a temporary shape upon exposure to an external stimulus, such as temperature ...
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Synthesis and characterization of recyclable chemically cross-linked shape memory materials
... Analytical Chemistry and Electrochemistry, University of Liege, Building B6c, 4000 Liege, Belgium. Poly(ε-caprolactone) (PCL), a semi-crystalline polymer, is one of the most widely studied polymers for the development of ...
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FATIGUE CRACK INITIATION AND PROPAGATION OF A TiNi SHAPE MEMORY ALLOY
... Abstract In this paper, fatigue crack initiation and propagation stages of a TiNi shape memory alloy are examined thanks to a low cycle fatigue interrupted test. Submitted to fatigue cyclic loading, the ...
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Phenomenological model for phase transformation characteristics of textured shape memory alloys
... [6] V. Grolleau, H. Louche, V. Delobelle, A. Penin, G. Rio, Y. Liu, and D. Favier, “Assessment of tensioncompression asymmetry of niti using circular bulge testing of thin plates,” Scripta Materialia, vol. 65, no. 4, pp. ...
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Study of partial shape memory effect of polymers by multicycle tests
... partial shape memory effect. We will demonstrate how the shape memory capacity of this polymer will be increased by multi-cycle ...besides shape memory effect [20-24] such as ...
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Internal stresses in steel plate generated by shape memory alloy inserts
... To cite this version : Malard, Benoit and Pilch, Jan and Sittner, Petr and Davydov, Vadim and Sedlák, Petr and Konstantinidis, K. and Hughes, Darren J. Internal stresses in steel plate generated by shape ...
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High frequency magnetic field-induced strain of ferromagnetic shape memory alloys
... Zhang, S., Chen, X., Moumni, Z., and He, Y. (2018b). Thermal effects on high-frequency magnetic- field-induced martensite reorientation in ferromagnetic shape memory alloys: An experimental and theoretical ...
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Thermal energy conversion by coupled shape memory and piezoelectric effects
... Hybrid shape memory effect/direct piezoelectric effect (SME/DPE) ‘machine’ The second approach tested in this work was a hybrid SME/DPE ‘machine’ using localized bonding between the two ...
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A thermomechanical Hencky strain constitutive model for shape memory alloys
... [Baxevanis et al.(2015)] authorBaxevanis, T., authorParrinello, A., & authorLagoudas, D. (year2015). titleOn the driving force for crack growth during thermal actuation of shape memory alloys. ...
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