scholarly journals Understanding mechanisms of shape memory function deterioration for nitinol alloy during non-equilibrium solidification by electron beam

2021 ◽  
Author(s):  
Guoqing Chen ◽  
Junpeng Liu ◽  
Zhibo Dong ◽  
Yulong Li ◽  
Yuxing Zhao ◽  
...  
Keyword(s):  
Electron Beam ◽  
Shape Memory ◽  
Memory Function ◽  
Equilibrium Solidification ◽  
Nitinol Alloy ◽  
Non Equilibrium

Synthesis of A2+B3 type hyperbranched poly(amide-ether) block copolymer and its shape memory function

2021 ◽  
Vol 146 ◽  
pp. 110255
Author(s):  
Ryoji Kudo ◽  
Tadashi Tsukamoto ◽  
Shiduko Nakajo ◽  
Atsuhiro Fujimori ◽  
Yoshiyuki Oishi ◽  
...  
Keyword(s):  
Block Copolymer ◽  
Shape Memory ◽  
Memory Function ◽  
Hyperbranched Poly

The electron beam freeform fabrication of NiTi shape memory alloys. Part I: Microstructure and physical–chemical behavior

2020 ◽  
pp. 146442072097505
Author(s):  
RPM Guimarães ◽  
F Pixner ◽  
G Trimmel ◽  
J Hobisch ◽  
T Rath ◽  
...  
Keyword(s):  
Electron Beam ◽  
Additive Manufacturing ◽  
Shape Memory Alloys ◽  
Shape Memory ◽  
Nickel Titanium ◽  
Freeform Fabrication ◽  
Austenitic Transformation ◽  
Columnar Grains ◽  
One Step ◽  
Niti Shape Memory Alloys

Nickel–titanium alloys are the most widely used shape memory alloys due to their outstanding shape memory effect and superelasticity. Additive manufacturing has recently emerged in the fabrication of shape memory alloy but despite substantial advances in powder-based techniques, less attention has been focused on wire-based additive manufacturing. This work reports on the preliminary results for the process-related microstructural and phase transformation changes of Ni-rich nickel–titanium alloy additively manufactured by wire-based electron beam freeform fabrication. To study the feasibility of the process, a simple 10-layer stack structure was successfully built and characterized, exhibiting columnar grains and achieving one-step reversible martensitic–austenitic transformation, thus showing the potential of this additive manufacturing technique for processing shape memory alloys.

scholarly journals Low carbon content NiTi shape memory alloy produced by electron beam melting

2004 ◽  
Vol 7 (2) ◽  
pp. 263-267 ◽  
Author(s):  
Jorge Otubo ◽  
Odair Doná Rigo ◽  
Carlos de Moura Neto ◽  
Michael Joseph Kaufman ◽  
Paulo Roberto Mei
Keyword(s):  
Electron Beam ◽  
Shape Memory Alloy ◽  
Shape Memory ◽  
Carbon Content ◽  
Electron Beam Melting ◽  
Niti Shape Memory Alloy ◽  
Low Carbon

scholarly journals The development of non-equilibrium solidification theories

2015 ◽  
Vol 45 (4) ◽  
pp. 358-376 ◽  
Author(s):  
WangWang KUANG ◽  
HaiFeng WANG ◽  
Feng LIU ◽  
Kang WANG
Keyword(s):  
Equilibrium Solidification ◽  
Non Equilibrium
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