high|temperature shape|memory alloys

Shape Memory Alloy with Adjustable, Wide-Ranging Actuation ...

The result is an exceptionally strong SMA that is heat-treatable and can be tuned for high, ambient, or sub-zero transformation temperatures as needed, making ...

Ultra-high temperature multi-component shape memory alloys

Ultra-high temperature SMAs such as Ti50Pt50 can demonstrate shape memory effect at temperatures as high as 1000 °C but not repeated thermal ...

Shape-memory alloy - Wikipedia

In metallurgy, a shape-memory alloy (SMA) is an alloy that can be deformed when cold but returns to its pre-deformed ("remembered") shape when heated.

Shape memory strains and temperatures in the extreme

In this regard, the NiTiHf alloys permit high maximum strain, high transformation temperature and possess excellent slip resis- tance and is the topic of this ...

A strategy of designing high-entropy alloys with high-temperature ...

Shape memory effect, the ability to recover a pre-deformed shape on heating, results from a reversible martensitic transformation between ...

High-temperature shape memory alloys: Some recent developments

This paper will cover some recent developments in design of the novel Zr–Cu-based HTSMA system through the comparison with Ti–Ni–Zr and Ti–Ni–Hf alloys.

How Shape Memory Alloys work

Shape memory alloys display two distinct crystal structures or phases. Temperature and internal stresses (which play a part in super-elasticity) determine the ...

High-Temperature Shape Memory Alloys | Encyclopedia MDPI

Multi-component alloys, including medium- and high-entropy alloys, have been investigated and proposed as new structural materials.

Shape Memory Alloys - SMART Lab - Texas A&M University

A subsequent heating of the material to a temperature above austenite finish temperature will result in reverse phase transformation (martensite to austenite) ...

A jumping shape memory alloy under heat | Scientific Reports - Nature

Shape memory alloys are typical temperature-sensitive metallic functional materials due to superelasticity and shape recovery ...

A high-entropy high-temperature shape memory alloy with large and ...

The as-cast alloy exhibits high-temperature superelasticity with a fully recoverable strain of as high as 4.0% at temperatures up to 285°C.

Review on the β-Ti Based High Temperature Shape Memory Alloys

This review focused on some typical alloys, including Ti–Nb based alloys with large recoverable strain, Ti–Ta based alloys with high martensitic transformation ...

High-Temperature Shape Memory Alloys – Recent developments ...

High-temperature shape memory (HTSMA) alloys that can operate at temperatures well above 100 °C are attractive for many applications in the automotive, ...

High temperature shape memory alloys - Taylor & Francis Online

A comprehensive review of potential HTSMA systems are presented in terms of physical and thermomechanical properties, processing techniques, challenges and ...

Ultra-High Temperature Shape Memory Behavior in Ni–Ti–Hf Alloys

Five alloy compositions with a hafnium content from 30 to 50 at.% were arc melted, homogenized, and tested to reveal microstructure and shape memory properties.

TiPd- and TiPt-Based High-Temperature Shape Memory Alloys - MDPI

In this paper high-temperature shape memory alloys based on TiPd and TiPt are reviewed. The effect of the alloying elements in ternary TiPd and TiPt alloys ...

High temperature shape memory alloys | Request PDF

A comprehensive review of potential HTSMA systems are presented in terms of physical and thermomechanical properties, processing techniques, challenges and ...

High-Temperature Shape Memory Alloys - ASM International

Abstract: High-temperature shape memory (HTSMA) alloys that can operate at temperatures well above 100 °C are attractive for many applications in the automotive ...

Ultra-High Temperature Shape Memory Behavior in Ni–Ti–Hf Alloys

Shape memory behavior in stoichiometric Ni–Hf–Ti shape memory alloys with high Hf was evaluated. Five alloy compositions with a hafnium content from 30 to ...

High Temperature Shape Memory Alloys | J. Eng. Mater. Technol.

Several alloy systems can be selected for high-temperature shape memory alloys, defined as alloys with stable reverse transformation temperatures above.