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Article
Effect of Post-treatments on the Thermomechanical Behavior of NiTiHf High-Temperature Shape Memory Alloy Fabricated with Laser Powder Bed Fusion
Despite increasing interest in Nickel Titanium-based high-temperature shape memory alloys (HTSMAs), machining challenges and limited functionality at elevated temperatures hinder their application in aerospace...
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Article
Data-Driven Study of Shape Memory Behavior of Multi-Component Ni–Ti Alloys in Large Compositional and Processing Space
Shape memory alloys have found wide-spread use in aerospace, automotive, biomedical, and commercial applications owing to their favorable properties and ease of operation. Binary NiTi, in particular, is known ...
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Article
The Build Orientation Dependency of NiTi Shape Memory Alloy Processed by Laser Powder Bed Fusion
This study investigated the orientation dependency effect on the thermomechanical behavior of NiTi shape memory alloys fabricated by laser powder bed fusion (LPBF). The LPBF method, with high flexibility of pr...
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Article
Aerospace, Energy Recovery, and Medical Applications: Shape Memory Alloy Case Studies for CASMART 3rd Student Design Challenge
This collection of case studies presents a brief introduction of fundamental concepts for four SMA-based applications in the aerospace, energy, and medical fields designed by students and facilitated by profes...
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Article
Shape Memory Alloy-Enabled Expandable Space Habitat—Case Studies for Second CASMART Student Design Challenge
Design and development of innovative material compositions and mechanisms based on shape memory alloys (SMAs) were accomplished as part of the Consortium for the Advancement of Shape Memory Alloy Research and ...
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Chapter and Conference Paper
Surface Integrity Characteristics of NiTiHf High Temperature Shape Memory Alloys
This present study focuses on the surface integrity characteristics of the machined NiTiHf high temperature shape memory alloys. The NiTiHf specimens were machined under dry, minimum quantity lubrication (MQL)...
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Article
Characterization of Thermomechanically Processed High-Temperature Ni-Lean NiTi–20 at.% Hf Shape Memory Wires
The thermomechanical processability of Ti(Hf)-rich Ni49.8Ti30.2Hf20 (at.%) high-temperature shape memory alloy (HTSMA) wires was examined. Hot-extruded rods with an initial diameter of 6.35 mm were hot-rolled and...
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Article
Effects of Sn Addition on NiTi Shape Memory Alloys
NiTiSn shape memory alloys provide a cost-effective alternative to many NiTi-based low-temperature shape memory alloy systems such as NiTi: Cr, Co, and Nb. To demonstrate the viability of NiTiSn shape memory a...
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Article
Erratum to: Modulation of diffusion with polarized lasers
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Article
Modulation of diffusion with polarized lasers
Laser diffusion is generally used to modify the metallurgical composition at the surface of materials for improving the mechanical properties. Platinum has been diffused into titanium and tantalum sheets in th...
