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JOM, 1979
Shape-memory alloys are capable of undergoing reversible phase transitions as a result of temperature, pressure, or other stress-related changes. These materials exhibit a mechanical type of shape memory called pseudoelasticity and, under certain conditions, linear superelasticity. The recoverable strain or shape is generally .
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Shape-memory alloys are capable of undergoing reversible phase transitions as a result of temperature, pressure, or other stress-related changes. These materials exhibit a mechanical type of shape memory called pseudoelasticity and, under certain conditions, linear superelasticity. The recoverable strain or shape is generally .
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Shape memory alloys. Ultralow-fatigue shape memory alloy films.
Science (New York, N.Y.), 2015Functional shape memory alloys need to operate reversibly and repeatedly. Quantitative measures of reversibility include the relative volume change of the participating phases and compatibility matrices for twinning. But no similar argument is known for repeatability.
Christoph, Chluba +6 more
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Multiple Memory Shape Memory Alloys
Advanced Engineering Materials, 2013AbstractUntil now, shape memory alloys (SMAs) have been largely limited to “remembering” a single memory. In other words, monolithic components only possess a single set of functional properties. The current work describes how theorized change to local chemical composition induced through laser processing enables controlled augmentation of ...
Mohammad Ibraheem Khan +2 more
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2017
One focuses on «shape memory alloys» (SMAs), where a phase transformation (martensite) can be induced by stress and (or) temperature variations. A process of martensite variants reorientation can also take place. The SMAs functional properties such as pseudoelasticity, one-way shape memory effect, recovery stress, double-shape memory effect (training ...
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One focuses on «shape memory alloys» (SMAs), where a phase transformation (martensite) can be induced by stress and (or) temperature variations. A process of martensite variants reorientation can also take place. The SMAs functional properties such as pseudoelasticity, one-way shape memory effect, recovery stress, double-shape memory effect (training ...
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1998
Abstract The term shape memory alloys (SMAs) refers to the group of metallic materials that demonstrate the ability to return to some previously defined shape or size when subjected to the appropriate thermal procedure. Materials that exhibit shape memory only upon heating are referred to as having a one-way shape memory.
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Abstract The term shape memory alloys (SMAs) refers to the group of metallic materials that demonstrate the ability to return to some previously defined shape or size when subjected to the appropriate thermal procedure. Materials that exhibit shape memory only upon heating are referred to as having a one-way shape memory.
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1991
Shape memory is the ability of a material to remember its original shape, either after mechanical deformation (one-way effect) or by cooling and heating (two-way effect). This phenonemon is based on a structural phase transformation, which is diffusionless and connected with large amounts of homogeneous shear. It is known as martensitic transformation.
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Shape memory is the ability of a material to remember its original shape, either after mechanical deformation (one-way effect) or by cooling and heating (two-way effect). This phenonemon is based on a structural phase transformation, which is diffusionless and connected with large amounts of homogeneous shear. It is known as martensitic transformation.
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MRS Bulletin, 1993
Numerous metallic alloys are now known to exhibit a shape memory effect through which an article deformed at a lower temperature will regain its original undeformed shape when heated to a higher temperature. This behavior is basically a consequence of a martensitic phase transformation.
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Numerous metallic alloys are now known to exhibit a shape memory effect through which an article deformed at a lower temperature will regain its original undeformed shape when heated to a higher temperature. This behavior is basically a consequence of a martensitic phase transformation.
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A lightweight shape-memory magnesium alloy
Science, 2016Lightweight shapeshifting alloys Shape memory alloys (SMAs) spring back into shape after they are deformed, a useful property for a variety of applications. Transition metal alloys, which are robust but dense, dominate the SMA landscape. Ogawa et al. report a new type of lightweight SMA made from magnesium
Yukiko, Ogawa +3 more
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