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A fully solid-state cold thermal energy storage device for car seats using shape-memory alloys

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 504-515 doi: 10.1007/s11708-022-0855-3

Abstract: As a solid-solid phase change material, shape-memory alloys (SMAs) have the inherent advantages of leakageConsidering these characteristics, the design of the shape-memory alloy based the cold thermal energystorage system for precooling car seat application is introduced in this paper based on the proposed shape-memoryThe influence of initial temperature, elastocaloric materials, and the shape-memory alloy geometry schemeenergy storage materials, hopefully the proposed concept can promote the development of more promising shape-memory

Keywords： shape-memory alloy (SMA)     elastocaloric effect (eCE)     cooled seat     cold thermal energy storage    

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A novel shape memory alloy actuated soft gripper imitated hand behavior

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0700-8

Abstract: The limited length shrinkage of shape memory alloy (SMA) wire seriously limits the motion range of SMA-basedIn this paper, a new soft finger without silicone gel was designed based on pre bent SMA wire, and thefinger was back to its original shape by heating SMA wire, rather than relying only on heat exchangeThrough imitating palm movement, a structure with adjustable spacing between fingers was made using SMAThe stress-strain model of SMA spring was established for the selection of rigid spring.

Keywords： shape memory alloy (SMA)     pre bent     wire     gripper     grasping mode     lightweight    

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Topology optimization and seismic collapse assessment of shape memory alloy (SMA)-braced frames: Effectiveness

Aydin HASSANZADEH; Saber MORADI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 281-301 doi: 10.1007/s11709-022-0807-3

Abstract: This paper presents a seismic topology optimization study of steel braced frames with shape memory alloy(SMA) braces.Optimal SMA-braced frames (SMA-BFs) with either Fe-based SMA or NiTi braces are determined in a performance-basedand cross-sectional area of SMA bracing members.In frames with Fe-based SMA braces, the SMA usage is reduced by up to 80%.

Keywords： topology optimization     shape memory alloy     Fe-based SMA     steel braced frames     performance-based seismic    

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Parametric study on damage control design of SMA dampers in frame-typed steel piers

Xiaoqun LUO, Hanbin GE, Tsutomu USAMI,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 384-394 doi: 10.1007/s11709-009-0065-7

Abstract: This paper focuses on damage control design of SMA dampers in steel frame piers.parametric study based on time history analyses is carried out on frame-typed bridge piers with axial-type SMA

Keywords： damage control design     shape memory alloy     parameter study     displacement-based verification     strain-based    

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Computational studies on the seismic response of the State Route 99 bridge in Seattle with SMA/ECC plastic

Jiping GE, M. Saiid SAIIDI, Sebastian VARELA

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 149-164 doi: 10.1007/s11709-018-0482-6

Abstract: It will be the first full-scale highway bridge to use superelastic shape memory alloy bars (SMA) andreinforced concrete columns, and the other with top plastic hinges incorporating Nickel-Titanium (NiTi) SMAThe novel SMA/ECC plastic hinges were found to substantially reduce damage and post-earthquake residual

Keywords： seismic design     analytical simulation     near-fault earthquakes     shape memory alloy     engineered cementitious    

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Improvement of impact resistance of plain-woven composite by embedding superelastic shape memory alloy

Xiaojun GU, Xiuzhong SU, Jun WANG, Yingjie XU, Jihong ZHU, Weihong ZHANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 547-557 doi: 10.1007/s11465-020-0595-1

Abstract: overcome this limitation, this study presents a new plain-woven CFRP composite embedded with superelastic shapememory alloy (SMA) wires.Drop-weight impact tests are conducted on composite specimens with and without SMA wires to evaluateThe material models of the CFRP composite and superelastic SMA wire are introduced and implemented intoImprovement of the energy absorption capacity and toughness of the SMA-CFRP composite is confirmed by

Keywords： carbon fiber reinforced polymer composite     shape memory alloy wire     impact resistance     drop-weight test    

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An extended thermo-mechanically coupled algorithm for simulation of superelasticity and shape memoryeffect in shape memory alloys

S. HASHEMI,H. AHMADIAN,S. MOHAMMADI

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 466-477 doi: 10.1007/s11709-015-0300-3

Abstract: Thermo-mechanical coupling in shape memory alloys is a very complicated phenomenon.lead to temperature-dependent variation of its mechanical behavior in the forms of superelasticity and shapememory effect.memory effects and the influence of various strain rates, aspect ratios and boundary conditions.approach with available experimental and numerical data and to assess its efficiency in solving complex SMA

Keywords： shape memory alloy     thermo-mechanical coupling     superplasticity     shape memory effect    

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Seismic responses and resilience of novel SMA-based self-centring eccentrically braced frames under near-fault

Zhi-Peng CHEN; Songye ZHU

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 8,   Pages 962-975 doi: 10.1007/s11709-022-0873-6

Abstract: In this paper, the seismic responses and resilience of a novel K-type superelastic shape memory alloy(SMA) self-centring (SC) eccentrically braced frame (EBF) are investigated.The simulation models of the SMA-based SC-EBF and a corresponding equal-stiffness traditional EBF counterpartThe novel SMA-based SC-EBF shows a much better resilience in the study and represents a promising attractive

Keywords： shape memory alloy     eccentrically braced frame     self-centring     fragility     loss function     resilience    

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Temperature effects of shape memory alloys (SMAs) in damage control design of steel portal frames

Xiaoqun LUO, Hanbin GE, Tsutomu USAMI

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 348-357 doi: 10.1007/s11709-012-0176-4

Abstract: present study is to analytically investigate temperature effects of an axial-type seismic damper made of shapememory alloys (SMAs) equipped in steel frames.Temperature effects of SMA dampers on seismic performance upgrading are discussed in three aspects: differentenvironment temperatures; rapid loading rate induced heat generation and different SMA fractions.The analysis indicates that the effect of environment temperature should be considered for the SMA damper

Keywords： damage control design     shape memory alloy     temperature effect    

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Dynamical Experiment Research on New Seismic Isolation Bearings with SMA Wires

Deng Zongcai,Sun Hongjun,Liu Chunguo,Niu Kun,Deng Hongliang

Strategic Study of CAE 2005, Volume 7, Issue 12,   Pages 61-68

Abstract:

As the aim of improving the utilization ratio of SMAs in SMA-rubber seismic isolation bearings, severaldifferent SMA-rubber seismic isolation bearings were designed, and energy dissipation experiments wereThe factors which affect the level stiffness, energy dissipation and equivalent damping ratio of SMA-rubberResult showed that the new SMA-rubber seismic isolation bearings have better hysteresis and energy dissipationIt provided the base to optimize the SMA-rubber seismic isolation bearings.

Keywords： shape memory alloy     seismic isolation bearings     initial stiffness     hysteresis energy dissipation     equivalent    

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Experimental flexural behavior of SMA-FRP reinforced concrete beam

Adeel ZAFAR, Bassem ANDRAWES

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 341-355 doi: 10.1007/s11709-013-0221-y

Abstract: This research presents a new type of shape memory alloy (SMA)-based composite reinforcement with abilityIn this study, small diameter SMA wires are embedded in thermoset resin matrix with or without additionalThe proposed SMA-FRP composite square rebars are first fabricated and then embedded in small scale concreteIt is found that the SMA-FRP composite reinforcement is able to enhance the performance of concrete member

Keywords： re-centering     shape memory alloys     concrete     composite     fiber reinforced polymer     scanning electron microscopy    

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Two-Way 4D Printing: A Review on the Reversibility of 3D-Printed Shape Memory Materials

Amelia Yilin Lee, Jia An, Chee Kai Chua

Engineering 2017, Volume 3, Issue 5,   Pages 663-674 doi: 10.1016/J.ENG.2017.05.014

Abstract:

The rapid development of additive manufacturing and advances in shape memory materials have fueledWith the current understanding of shape memory mechanisms and with improved design for additive manufacturingConventional one-way 4D printing requires human interaction in the programming (or shape-setting) phaseThis paper presents a review on the mechanisms of shape memory materials that have led to 4D printingThe reversibility of shape memory materials and their feasibility to be fabricated using three-dimensional

Keywords： 4D printing     Additive manufacturing     Shape memory material     Smart materials     Shape memory alloy     Shape memory    

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Structural design of morphing trailing edge actuated by SMA

Qi WANG, Zhiwei XU, Qian ZHU

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3,   Pages 268-275 doi: 10.1007/s11465-013-0261-y

Abstract: After a detailed and accurate computational analysis to determine the SMA specifications and layout programsAt last, via the force analysis, the trailing edge is fabricated with four sections of aluminum alloy, and the arrangement scheme of SMA wires is determined.

Keywords： morphing wing trailing edge     shape memory alloy     digital signal processor     PID algorithm    

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A mini review: Shape memory polymers for biomedical applications

Kaojin Wang, Satu Strandman, X. X. Zhu

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2,   Pages 143-153 doi: 10.1007/s11705-017-1632-4

Abstract: Shape memory polymers (SMPs) are smart materials that can change their shape in a pre-defined mannerThe shape memory functionality has gained considerable interest for biomedical applications, which require

Keywords： shape memory polymer     biodegradability     biocompatibility     biomedical application     bile acids    

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Deformation analysis of shape memory polymer for morphing wing skin under airflow

Weilong YIN, Jingcang LIU, Jinsong LENG,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 447-449 doi: 10.1007/s11465-009-0062-5

Abstract: The chief aim of the present study is to investigate the out-of-plane deformation of the shape memory

Keywords： aircraft     morphing     skin     shape memory polymer (SMP)     deformation     pre-strain    

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Title Author Date Type Operation

A fully solid-state cold thermal energy storage device for car seats using shape-memory alloys

Journal Article

A novel shape memory alloy actuated soft gripper imitated hand behavior

Journal Article

Topology optimization and seismic collapse assessment of shape memory alloy (SMA)-braced frames: Effectiveness

Aydin HASSANZADEH; Saber MORADI

Journal Article

Parametric study on damage control design of SMA dampers in frame-typed steel piers

Xiaoqun LUO, Hanbin GE, Tsutomu USAMI,

Journal Article

Computational studies on the seismic response of the State Route 99 bridge in Seattle with SMA/ECC plastic

Jiping GE, M. Saiid SAIIDI, Sebastian VARELA

Journal Article

Improvement of impact resistance of plain-woven composite by embedding superelastic shape memory alloy

Xiaojun GU, Xiuzhong SU, Jun WANG, Yingjie XU, Jihong ZHU, Weihong ZHANG

Journal Article

An extended thermo-mechanically coupled algorithm for simulation of superelasticity and shape memoryeffect in shape memory alloys

S. HASHEMI,H. AHMADIAN,S. MOHAMMADI

Journal Article

Seismic responses and resilience of novel SMA-based self-centring eccentrically braced frames under near-fault

Zhi-Peng CHEN; Songye ZHU

Journal Article

Temperature effects of shape memory alloys (SMAs) in damage control design of steel portal frames

Xiaoqun LUO, Hanbin GE, Tsutomu USAMI

Journal Article

Dynamical Experiment Research on New Seismic Isolation Bearings with SMA Wires

Deng Zongcai,Sun Hongjun,Liu Chunguo,Niu Kun,Deng Hongliang

Journal Article

Experimental flexural behavior of SMA-FRP reinforced concrete beam

Adeel ZAFAR, Bassem ANDRAWES

Journal Article

Two-Way 4D Printing: A Review on the Reversibility of 3D-Printed Shape Memory Materials

Amelia Yilin Lee, Jia An, Chee Kai Chua

Journal Article

Structural design of morphing trailing edge actuated by SMA

Qi WANG, Zhiwei XU, Qian ZHU

Journal Article

A mini review: Shape memory polymers for biomedical applications

Kaojin Wang, Satu Strandman, X. X. Zhu

Journal Article

Deformation analysis of shape memory polymer for morphing wing skin under airflow

Weilong YIN, Jingcang LIU, Jinsong LENG,

Journal Article