Journal ArticleDOI
An experimental investigation of crack initiation in thin sheets of nitinol
TLDR
In this paper, an experimental investigation into the fracture properties of 160-μm-thick edge-cracked specimens of austenitic nickel-titanium (nitinol) under uniaxial tension is presented.About:
This article is published in Acta Materialia.The article was published on 2007-10-01. It has received 113 citations till now. The article focuses on the topics: Fracture toughness & Shape-memory alloy.read more
Citations
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Journal ArticleDOI
Grain boundary and triple junction constraints during martensitic transformation in shape memory alloys
TL;DR: In this paper, the role of grain constraint on martensitic transformation was investigated through in situ scanning electron microscope tensile experiments on shape memory microwires with a small number of grains and grain junctions.
Journal ArticleDOI
A review of modeling techniques for advanced effects in shape memory alloy behavior
Journal ArticleDOI
Grain size dependence of fracture toughness and crack-growth resistance of superelastic NiTi
TL;DR: The role of intrinsic and extrinsic toughening mechanisms in the GS dependence of the fracture process is discussed in this article, where it is shown that with GS reduction down to nanoscale, the fracture toughness and the size of crack-tip phase transformation zone monotonically decrease and the static crack growth resistance changes from a rising to a flat R-curve.
Journal ArticleDOI
Application of GRNN and multivariate hybrid approach to predict and optimize WEDM responses for Ni-Ti shape memory alloy
Himadri Majumder,Kalipada Maity +1 more
TL;DR: The adequacy of the multivariate VIKOR-Fuzzy approach was verified by performing confirmation test which exhibited improvement in WEDM responses.
References
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Book
Shape memory materials
Clarence Marvin Wayman,和弘 大塚 +1 more
TL;DR: Otsuka et al. as mentioned in this paper introduced shape memory alloy actuators and their application in medical and dental applications, including shape memory ceramics, shape memory polymers, and shape memory alloys.
Book
Microstructure of martensite : why it forms and how it gives rise to the shape-memory effect
TL;DR: In this article, the authors review the Continuum Theory of Crystalline Solids and Martensitic Phase Transformation (Martensitic phase transformation) and the Shape Memory Effect (SME).
Journal ArticleDOI
Application of an optimized digital correlation method to planar deformation analysis
TL;DR: The optimized digital correlation method has been developed to improve previously reported iterative DCMs and is shown to be much faster than previous methods while achieving accuracy equivalent to that obtained via simple coarse-fine iterative techniques.
Journal ArticleDOI
Shape-memory alloys: macromodelling and numerical simulations of the superelastic behavior
TL;DR: In this paper, generalized plasticity is adopted as a framework for the development of one-and three-dimensional constitutive models for shape-memory alloys, such as superelasticity, different material behavior in tension and compression, and the single-variant-martensite reorientation process.
Journal ArticleDOI
Shape-memory alloys: modelling and numerical simulations of the finite-strain superelastic behavior
TL;DR: In this article, a constitutive model was developed to reproduce the superelastic behavior of shape-memory alloys at finite strains, and the numerical implementation within a finite-element scheme was discussed in detail.