43 relations: Alloy, Aluminium, Amorphous metal, Auxetics, Bulk modulus, Carbon nanotube, Cast iron, Clay, Concrete, Copper, Cork (material), Deformation (mechanics), Elasticity (physics), Epoxy, Foam, Glass, Glass fiber, Gold, Honeycomb structure, Hooke's law, Impulse excitation technique, Kronecker delta, Lateral strain, Linear elasticity, Magnesium, Matrix (mathematics), Mechanical metamaterial, Natural rubber, Nomex, Orthotropic material, Sand, Shear modulus, Siméon Denis Poisson, Stainless steel, Steel, Stress (mechanics), Structural geology, Thermal expansion, Titanium, Transpose, Transverse isotropy, Yield (engineering), Young's modulus.

## Alloy

An alloy is a combination of metals or of a metal and another element.

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## Aluminium

Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.

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## Amorphous metal

An amorphous metal (also known as metallic glass or glassy metal) is a solid metallic material, usually an alloy, with a disordered atomic-scale structure.

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## Auxetics

Auxetics are structures or materials that have a negative Poisson's ratio.

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## Bulk modulus

The bulk modulus (K or B) of a substance is a measure of how resistant to compressibility that substance is.

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## Carbon nanotube

Carbon nanotubes (CNTs) are allotropes of carbon with a cylindrical nanostructure.

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## Cast iron

Cast iron is a group of iron-carbon alloys with a carbon content greater than 2%.

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## Clay

Clay is a finely-grained natural rock or soil material that combines one or more clay minerals with possible traces of quartz (SiO2), metal oxides (Al2O3, MgO etc.) and organic matter.

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## Concrete

Concrete, usually Portland cement concrete, is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens over time—most frequently a lime-based cement binder, such as Portland cement, but sometimes with other hydraulic cements, such as a calcium aluminate cement.

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## Copper

Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.

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## Cork (material)

Cork is an impermeable buoyant material, the phellem layer of bark tissue that is harvested for commercial use primarily from Quercus suber (the cork oak), which is endemic to southwest Europe and northwest Africa.

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## Deformation (mechanics)

Deformation in continuum mechanics is the transformation of a body from a reference configuration to a current configuration.

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## Elasticity (physics)

In physics, elasticity (from Greek ἐλαστός "ductible") is the ability of a body to resist a distorting influence and to return to its original size and shape when that influence or force is removed.

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## Epoxy

Epoxy is either any of the basic components or the cured end products of epoxy resins, as well as a colloquial name for the epoxide functional group.

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## Foam

Foam is a substance formed by trapping pockets of gas in a liquid or solid.

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## Glass

Glass is a non-crystalline amorphous solid that is often transparent and has widespread practical, technological, and decorative usage in, for example, window panes, tableware, and optoelectronics.

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## Glass fiber

Glass fiber (or glass fibre) is a material consisting of numerous extremely fine fibers of glass.

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## Gold

Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.

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## Honeycomb structure

Honeycomb structures are natural or man-made structures that have the geometry of a honeycomb to allow the minimization of the amount of used material to reach minimal weight and minimal material cost.

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## Hooke's law

Hooke's law is a principle of physics that states that the force needed to extend or compress a spring by some distance scales linearly with respect to that distance.

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## Impulse excitation technique

The impulse excitation technique (IET) is a non-destructive material characterization technique to determine the elastic properties and internal friction of a material of interest.

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## Kronecker delta

In mathematics, the Kronecker delta (named after Leopold Kronecker) is a function of two variables, usually just non-negative integers.

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## Lateral strain

In continuum mechanics, lateral strain, also known as transverse strain, is defined as the ratio of the change in diameter of a circular bar of a material due to deformation in the longitudinal direction.

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## Linear elasticity

Linear elasticity is the mathematical study of how solid objects deform and become internally stressed due to prescribed loading conditions.

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## Magnesium

Magnesium is a chemical element with symbol Mg and atomic number 12.

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## Matrix (mathematics)

In mathematics, a matrix (plural: matrices) is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.

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## Mechanical metamaterial

Mechanical metamaterials are artificial structures with mechanical properties defined by their structure rather than their composition.

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## Natural rubber

Natural rubber, also called India rubber or caoutchouc, as initially produced, consists of polymers of the organic compound isoprene, with minor impurities of other organic compounds, plus water.

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## Nomex

Nomex is a flame-resistant meta-aramid material developed in the early 1960s by DuPont and first marketed in 1967.

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## Orthotropic material

In material science and solid mechanics, orthotropic materials have material properties that differ along three mutually-orthogonal twofold axes of rotational symmetry.

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## Sand

Sand is a naturally occurring granular material composed of finely divided rock and mineral particles.

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## Shear modulus

In materials science, shear modulus or modulus of rigidity, denoted by G, or sometimes S or μ, is defined as the ratio of shear stress to the shear strain: where The derived SI unit of shear modulus is the pascal (Pa), although it is usually expressed in gigapascals (GPa) or in thousands of pounds per square inch (ksi).

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## Siméon Denis Poisson

Baron Siméon Denis Poisson FRS FRSE (21 June 1781 – 25 April 1840) was a French mathematician, engineer, and physicist, who made several scientific advances.

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## Stainless steel

In metallurgy, stainless steel, also known as inox steel or inox from French inoxydable (inoxidizable), is a steel alloy with a minimum of 10.5% chromium content by mass.

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## Steel

Steel is an alloy of iron and carbon and other elements.

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## Stress (mechanics)

In continuum mechanics, stress is a physical quantity that expresses the internal forces that neighboring particles of a continuous material exert on each other, while strain is the measure of the deformation of the material.

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## Structural geology

Structural geology is the study of the three-dimensional distribution of rock units with respect to their deformational histories.

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## Thermal expansion

Thermal expansion is the tendency of matter to change in shape, area, and volume in response to a change in temperature.

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## Titanium

Titanium is a chemical element with symbol Ti and atomic number 22.

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## Transpose

In linear algebra, the transpose of a matrix is an operator which flips a matrix over its diagonal, that is it switches the row and column indices of the matrix by producing another matrix denoted as AT (also written A′, Atr, tA or At).

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## Transverse isotropy

A transversely isotropic material is one with physical properties which are symmetric about an axis that is normal to a plane of isotropy.

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## Yield (engineering)

The yield point is the point on a stress–strain curve that indicates the limit of elastic behavior and the beginning of plastic behavior.

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## Young's modulus

Young's modulus, also known as the elastic modulus, is a measure of the stiffness of a solid material.

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## Redirects here:

Poison's ratio, Poisons ratio, Poisson Ratio, Poisson contraction, Poisson effect, Poisson ratio, Poisson's Ratio, Poisson's effect, Poissons ratio, Poisson’s ratio.