Results 101 to 110 of about 3,923 (223)

Superelasticity of Carbon Nanocoils from Atomistic Quantum Simulations [PDF]

open access: yes, 2010
A structural model of carbon nanocoils (CNCs) on the basis of carbon nanotubes (CNTs) was proposed. The Young’s moduli and spring constants of CNCs were computed and compared with those of CNTs.
Lu Jian Ping   +12 more
core   +1 more source

Numerical Simulation and Experimental Study of a Simplified Force-Displacement Relationship in Superelastic SMA Helical Springs

open access: yesSensors, 2018
This paper proposes a new force-displacement model for superelastic shape memory alloy (SMA) springs under complex loading and unloading. For the SMA wires used to make superelastic springs, a new multilinear constitutive model based on a modification of
Bin Huang, Hongwang Lv, Yang Song
doaj   +1 more source

Shape memory alloy film damping for smart miniature systems

open access: yesInternational Journal of Smart and Nano Materials, 2018
This paper presents a dynamic analysis of the free and forced vibration of a free-standing bridge of superelastic shape memory alloy TiNiCuCo film with ultra-low fatigue properties and evaluates its versatility for novel miniature scale damping ...
Shahabeddin Ahmadi   +3 more
doaj   +1 more source

The Research of Technological Parameters Influence on the Process of Nitinol fabrication and Plastic Deformation [PDF]

open access: yesMetalurgija, 2006
Titanium and nickel alloy, with 48 - 55 at. % Ni (rest Ti), named Nitinol has property of thermal and mechanical memory and its properties and application depends strongly on a fabrication processes.
Ćubela, D.
doaj  

AN EXPERIMENTAL STUDY ON PERFORMANCE OF SHAPE MEMORY ALLOY SUSPENSION PENDULUM DAMPING SYSTEM

open access: yesCivil Engineering Journal, 2019
A systematic study is conducted on variation regularities for such properties of SMA wires with the diameter of wires, strain amplitude and loading cycles as the stress-strain curve, characteristic stresses, energy dissipation capacity,
Ergang Xiong   +5 more
doaj   +1 more source

Revealing the effect of layer-varying deposition strategy on laser-directed energy deposition bionic gradient NiTi alloy

open access: yesVirtual and Physical Prototyping
In this work, a novel deposition strategy, layer-varying deposition strategy (LVDS), to fabricate bionic gradient NiTi alloys using laser-directed energy deposition is proposed.
Zhongxiong Kang   +4 more
doaj   +1 more source

Coupled stress-strain and electrical resistivity measurements on copper based shape memory single crystals

open access: yesMaterials Research, 2004
Recently, electrical resistivity (ER) measurements have been done during some thermomechanical tests in copper based shape memory alloys (SMA's). In this work, single crystals of Cu-based SMA's have been studied at different temperatures to analyse the ...
Gonzalez Cezar Henrique   +4 more
doaj  

SHAPE MEMORY AND SUPERELASTICITY BEHAVIOUR OF POROUS Ti-Ni MATERIAL

open access: yes, 1991
The peculiarities of shape memory and superelasticity effects in porous Ti-Ni were studied both for powder technology stages of production and deformation of sintered porous material.
V. SKOROHOD   +3 more
core   +1 more source

Superelasticity of ThCr2Si2-structured intermetallic compounds at the micrometer scale [PDF]

open access: yes, 2019
The work represents a report of the discovery of superelasticity in ThCr2Si2-structured novel intermetallic compound (CaFe2As2) and its hybrid structure (CaKFe4As4) under “uni-axial” compression at the micrometer scale and discusses the strong ...
Lee, Seok-Woo
core   +1 more source

Perspective: Graphene aerogel goes to superelasticity and ultraflyweight

open access: yes, 2013
Three-dimensional graphene-based aerogels have been promoted to present fascinating superelasticity and ultralightness by the intelligent design on microstructures.
Chao Gao, Haiyan Sun, Zhen Xu
core   +1 more source

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