Results 1 to 10 of about 3,361 (221)

Superelasticity with narrow stress hysteresis and high cyclic stability in Co–V–Al polycrystalline alloy

Journal of Materials Research and Technology
Superelasticity of shape memory alloy associated with the martensitic transformation is extremely attractive for applications in sensors and biomedical.
Xin Jin, Jian Li, Jie Yang, Xiaochuan Wang, Sen Na, Mingchao Zhang, Hetong Xu, Xiaohua Tian, Wenbing Zhao, Haipo Zhang, Changlong Tan   +10 more
exaly   +4 more sources

Strain glass-induced switch from transformation plasticity to reversible superelasticity in Ti-Zr-Ni-Cu alloys

Materials Research Letters, 2023
Reversibility of phase transformation, a basic requirement for functional properties of shape memory alloys, such as superelasticity, is severely affected by plastic deformation.
Chao Song, Shuai Ren, Shaohui Li, Shengwei Li, Guijun Liu, Zhihua Nie, Yandong Wang, Daoyong Cong   +7 more
doaj   +2 more sources

The Cyclic Stability of the Superelasticity in Quenched and Aged Ni₄₄Fe₁₉Ga₂₇Co₁₀ Single Crystals

Metals, 2023
The effect of aging (at 773 K for 1 h) on the cyclic stability of superelasticity was studied in preliminarily quenched (after annealing at 1448 K for 1 h) Ni44Fe19Ga27Co10 [001]-oriented single crystals.
Ekaterina Timofeeva, Elena Panchenko, Maria Zherdeva, Aida Tokhmetova, Yuriy I. Chumlyakov   +4 more
doaj   +2 more sources

High temperature superelasticity realized in equiatomic Ti-Ni conventional shape memory alloy by severe cold rolling

Materials & Design, 2020
Great interests on high temperature shape memory alloys (HTSMAs) are recently raised, driven primarily by the aerospace and automotive industries, for their potential to serve as solid state actuators at high temperatures over 373 K.
Jian Zhang, Tong Chen, Wei Li, Jozef Bednarcik, Ann-Christin Dippel   +4 more
doaj   +2 more sources

Ideal superelasticity in Ni-based Heusler alloys

Acta Materialia, 2021
The hysteresis that occurs during superelasticity caused by the stress-induced first-order martensite transformation is sometimes detrimental to the properties of superelastic materials.
Peiyu Cao, Fuyang Tian, Levente Vitos
exaly   +2 more sources

Tuning superelasticity in high entropy alloy via a hidden strain order [PDF]

Nature Communications
Superelasticity – exhibiting either Hookean (linear) or non-Hookean (nonlinear) recoverable strain beyond 2% – has been realized in distinct material systems such as metallic glasses, shape memory alloys, strain glass alloys and Gum metals, enabling ...
Quanfeng He, Shuai Ren, Xinlei Gu, Hao Gong, Xufeng Wang, Zhaoqi Chen, Rong Han, Qing Wang, Jianfeng Gu, Shijun Zhao, Yong Yang   +10 more
doaj   +2 more sources

Local chemical inhomogeneity enables superior strength-ductility-superelasticity synergy in additively manufactured NiTi shape memory alloys [PDF]

Nature Communications
NiTi shape memory alloys produced via additive manufacturing are suffering low tensile strength, low total elongation, and unstable superelasticity, thus failing to meet the requirements of practical applications.
Zhonghan Li, Jixiang Cai, Zhihao Zhao, Ying Yang, Yang Ren, Gang Sha, Lishan Cui, Kaiyuan Yu, Daqiang Jiang, Yao Xiao, Shengcheng Mao, Shijie Hao   +11 more
doaj   +2 more sources

A Giant Magneto‐Superelasticity of 5% Enabled by Introducing Ordered Dislocations in Ni34Co8Cu8Mn36Ga14 Single Crystal [PDF]

Advanced Science
Elasticity, featured by a recoverable strain, refers to the ability that materials can return to their original shapes after deformation. Typically, the elastic strains of most metals are well‐known 0.2%.
Qijia Yu, Jingmin Wang, Chuanxin Liang, Jiaxi Meng, Jinyue Xu, Yang Liu, Shiteng Zhao, Xuekui Xi, Chuanying Xi, Ming Yang, Chen Si, Yangkun He, Dong Wang, Chengbao Jiang   +13 more
doaj   +2 more sources

Room-temperature superelasticity in Mg–Sc shape memory alloys revealed by first-principles calculations

Journal of Materials Research and Technology
The discovery of the Mg–Sc shape memory alloy system has become a milestone in the development of lightweight shape memory alloys. However, for the application scenarios with the highest demand at room temperature, the Mg–Sc alloy faces problems such as ...
Haosen Yuan, Wenbin Zhao, Hangyuan Zhang, Zhihang Fan, Xiaohua Tian, Kun Zhang, Changlong Tan   +6 more
doaj   +2 more sources

Effect of heat treatment on the microstructure and superelasticity of NiTi alloy via selective laser melting

Journal of Materials Research and Technology
In this study, a Ni50.4Ti49.6 shape memory alloy (SMA) was fabricated by selective laser melting (SLM), and it is found that heat treatments were effective to change the phase transformation behavior, microstructure, and superelasticity under compression
H.Z. Lu, Z.J. Zhou, Y. Yang, R.C. Wang, H.W. Ma, W.S. Cai, D.Z. Zhu, C. Yang   +7 more
doaj   +2 more sources