Gradient anneal of functionally graded niti
WebJul 5, 2024 · The objective of this study is to create a step functionally graded NiTi shape memory alloy with huge transformation stress plateau gradient and near-full strain … WebOct 26, 2024 · In this study, a grain size gradient NiTi plate was fabricated by a gradient annealing method, and the grain size at the annealed side of the sample increased from 11 to 28 nm. Additionally, the gradient …
Gradient anneal of functionally graded niti
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WebJan 4, 2008 · The method is an anneal within a temperature gradient after cold work, thus creating a structural gradient within the matrix of the alloy. It is based on the principle that the transformation behaviour and the thermomechanical properties of NiTi are sensitively … 3.1. Gradient temperature annealing Furnace temperatures along its length … WebJan 3, 2008 · The method is an anneal within a temperature gradient after cold work, thus creating a structural gradient within the matrix of the alloy. It is based on the principle …
WebThe first case is the functionally gradient SMA composites with different component fractions, such as the composites which are composed of NiTi and other elastomeric materials with different component fractions of NiTi, 15 – 20 or the composites which is composed of Ni and Ti with different component fractions of Ni or Ti, 21 – 25 or the … WebThe method is an anneal within a temperature gradient after cold work, thus creating a structural gradient within the matrix of the alloy. It is based on the principle that the transformation behaviour and the thermomechanical properties of NiTi are sensitively dependent on the annealing temperature. For the Ti–50.2 at.%
WebMay 15, 2024 · Tian reported a novel “hot” target method to produce functionally graded or layered materials. 4 Cole developed an approach by depositing Ni 47 Ti 53 films with varying thicknesses onto Ni 56 Ti 44 substrates and annealing the films to fabricate compositional gradients by means of diffusion modification. 5 Nanoindentation measurements were … WebAug 1, 2012 · This paper reports the creation of functionally graded NiTi thin plates with varying composition through thickness. The composition gradient is created by surface diffusing Ni into thin equiatomic NiTi plates. The compositional gradient results in a gradient of the critical temperatures for martensitic transformation in the alloy.
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WebFeb 24, 2016 · A gradual transition between these mechanical behaviours is obtained due to a thermal gradient created by local annealing ... (2008) Gradient anneal of functionally graded NiTi. Smart Mater Struct 17(1):015031. Article Google Scholar Qinglin M et al (2012) Functionally graded NiTi strips prepared by laser surface anneal. Acta Mater … fireeye 110WebDec 1, 2011 · This paper reports the creation of functionally graded NiTi thin plates by means of surface laser annealing. Variation in the heat penetrating the plate thickness created a progressive... etd in earWebThe uniaxial compression tests and finite element analysis were conducted to investigate the influence of gradient distribution features on deformation modes and energy absorption performance of GLSs. ... These findings have potential value for the future design of GLSs and the realization of shape memory function of NiTi components through ... etd in medical termWebJun 13, 2024 · Mahmud AS, Liu YN, Nam TH (2008) Gradient anneal of functionally graded NiTi. Smart Materials & Structures 17(1): 015031. ... Shariat BS, Liu YN, Meng Q, et al. (2013b) Analytical modelling of functionally graded NiTi shape memory alloy plates under tensile loading and recovery of deformation upon heating. Acta Materialia 61(9): … etd eustachian tube dysfunction leftWebApr 7, 2024 · Gradient anneal of functionally graded NiTi journal, January 2008 Mahmud, Abdus Samad; Liu, Yinong; Nam, Tae-hyun Smart Materials and Structures, Vol. 17, Issue 1 etd learningWebMar 1, 2024 · Functionally graded shape memory alloys have the advantage of combining the functionalities of the shape memory effect and those of functionally graded structures. By proper design, they can... etd ears treatmentWebJul 1, 2013 · For new applications, Functionally Graded (FG) SMA composites are being developed incorporating a wide variety of matrices. An analytical methodology combining averaging technique of composites... etdl railway