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ionic bond. - cloudfront.net
ionic bond. - cloudfront.net

What is Piezo Electricity
What is Piezo Electricity

... In a piezoelectric crystal, the positive and negative electrical charges are separated, but symmetrically distributed. This makes the crystal electrically neutral. Each of these sides forms an electric dipole and dipoles near each other tend to be aligned in regions called “Weiss domains”. The domai ...
Materials on an Atomic Level
Materials on an Atomic Level

MATERIALS
MATERIALS

... 1. Difficult to answer, because materials fail in compression in many ways depending on their geometry and support a) buckling--hollow cylinders, e.g., tin can b) bending--long rod or panel c) shattering--heavily loaded glass C. No relation between compressive and tensile strength in part because di ...
Electron Diffraction study of Layer Structures in La-Mg
Electron Diffraction study of Layer Structures in La-Mg

Chemical sciences- SCIENCE F-6
Chemical sciences- SCIENCE F-6

... different materials can be physically changed through actions such as thinking , Literacy bending, stretching and twisting  exploring how materials such as water, chocolate or play dough change when warmed or cooled Critical and creative Sustainability  exploring the local environment to observe a ...
O 95: Metal Substrates: Adsorption of Atoms and Inorganic Molecules
O 95: Metal Substrates: Adsorption of Atoms and Inorganic Molecules

... operation conditions resulting from that application[1]. Previously, CuZn alloys have been used as model systems for the industrially used Cu/ZnO catalysts[2]. For Au/ZnO this approach is similarly plausible. In order to gain more insight into the formation and nature of active sites, the formation, ...
Ionic Solids
Ionic Solids

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Preparation methods for bulk materials

Plastic deformation of Fe–Al polycrystals strengthened with Zr
Plastic deformation of Fe–Al polycrystals strengthened with Zr

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Characterization of the phase transition in coper-gold alloys by X

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CHAPTER5

... In most engineering materials, however, there will also exist a timedependent elastic strain component. That is, elastic deformation will continue after the stress application, and upon load release some finite time is required for complete recovery. This time-dependent elastic behavior is known as ...
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Effect of SiC Grain Refining on Wear Resistance of Mg

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Thermal Stability of Mineral-Wool Heat-Insulating

LATENT HEAT AND ELECTRODE POTENTIAL
LATENT HEAT AND ELECTRODE POTENTIAL

... types of copper, combined with various types of zinc, produced essentially the same emf. Here the electrodes were solid; Raoult decided to investigate what happens when a metal electrode passes from the solid to the liquid state, or the reverse. He chose bismuth as an example. The metal, cast in a s ...
MAGNETIC GARNETS, YxGd3-xFe5O12 TUNABLE MAGNETIC
MAGNETIC GARNETS, YxGd3-xFe5O12 TUNABLE MAGNETIC

chapter 8 ceramic/metal nanocomposites
chapter 8 ceramic/metal nanocomposites

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Preparation of Sm–Ru bimetallic alloy films on Ru(0001) surface by

Introduction to Dental Materials
Introduction to Dental Materials

... shaped into desired shapes. They harden by: -physical reaction,(cooling, or evapration). ...
Chapter 4c - Loy Research Group
Chapter 4c - Loy Research Group

... Compression and Shear vs. Tensile Tests Stress-strain curves are very dependent on the test method. A modulus determined under compression is generally higher than one derived from a tensile experiment, as shown below for polystyrene. Tensile testing is most sensitive to material flaws and microsco ...
Fusion Power Materials
Fusion Power Materials

... duced encouraging results and further experiments are planned. Some degree of arc-ing was detected, but this could be eliminated by doping with boron to increase the electrical conductivity. The microstructure of a microcrystalline diamond film, before and after exposure to a high-density H plasma, i ...
Composition and Structure of Earth`s Interior
Composition and Structure of Earth`s Interior

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Lesson Plans - University High School
Lesson Plans - University High School

< 1 ... 7 8 9 10 11 12 13 14 >

Shape-memory alloy



A shape-memory alloy (SMA, smart metal, memory metal, memory alloy, muscle wire, smart alloy) is an alloy that ""remembers"" its original shape and that when deformed returns to its pre-deformed shape when heated. This material is a lightweight, solid-state alternative to conventional actuators such as hydraulic, pneumatic, and motor-based systems. Shape-memory alloys have applications in industries including automotive, aerospace, biomedical and robotics.
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