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Cryogenic hardening

Index Cryogenic hardening

Cryogenic hardening is a cryogenic treatment process where the material is cooled to approximately, usually using liquid nitrogen. [1]

16 relations: Austenite, Cryogenic treatment, Diffusion, Dislocation, Hardness, Liquid nitrogen, Martensite, Plasticity (physics), Quenching, Shock hardening, Stainless steel, Steel, Strength of materials, Thermal expansion, Toughness, Work hardening.

Austenite

Austenite, also known as gamma-phase iron (γ-Fe), is a metallic, non-magnetic allotrope of iron or a solid solution of iron, with an alloying element.

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Cryogenic treatment

A cryogenic treatment is the process of treating workpieces to cryogenic temperatures (i.e. below) in order to remove residual stresses and improve wear resistance on steels.

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Diffusion

Diffusion is the net movement of molecules or atoms from a region of high concentration (or high chemical potential) to a region of low concentration (or low chemical potential) as a result of random motion of the molecules or atoms.

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Dislocation

In materials science, a dislocation or Taylor's dislocation is a crystallographic defect or irregularity within a crystal structure.

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Hardness

Hardness is a measure of the resistance to localized plastic deformation induced by either mechanical indentation or abrasion.

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Liquid nitrogen

Liquid nitrogen is nitrogen in a liquid state at an extremely low temperature.

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Martensite

Martensite, named after the German metallurgist Adolf Martens (1850–1914), most commonly refers to a very hard form of steel crystalline structure, but it can also refer to any crystal structure that is formed by diffusionless transformation.

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Plasticity (physics)

In physics and materials science, plasticity describes the deformation of a (solid) material undergoing non-reversible changes of shape in response to applied forces.

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Quenching

In materials science, quenching is the rapid cooling of a workpiece in water, oil or air to obtain certain material properties.

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Shock hardening

Shock hardening is a process used to strengthen metals and alloys, wherein a shock wave produces atomic-scale defects in the material's crystalline structure.

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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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Strength of materials

Strength of materials, also called mechanics of materials, is a subject which deals with the behavior of solid objects subject to stresses and strains.

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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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Toughness

In materials science and metallurgy, toughness is the ability of a material to absorb energy and plastically deform without fracturing.

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Work hardening

Work hardening, also known as strain hardening, is the strengthening of a metal or polymer by plastic deformation.

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Redirects here:

Cryogenic tempering.

References

[1] https://en.wikipedia.org/wiki/Cryogenic_hardening

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