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- Work_hardening abstract "Work hardening, also known as strain hardening or cold working, is the strengthening of a metal by plastic deformation. This strengthening occurs because of dislocation movements and dislocation generation within the crystal structure of the material. Many non-brittle metals with a reasonably high melting point as well as several polymers can be strengthened in this fashion. Alloys not amenable to heat treatment, including low-carbon steel, are often work-hardened. Some materials cannot be work-hardened at low temperatures, such as indium, however others can only be strengthened via work hardening, such as pure copper and aluminum.Work hardening may be desirable or undesirable depending on the context. An example of undesirable work hardening is during machining when early passes of a cutter inadvertently work-harden the workpiece surface, causing damage to the cutter during the later passes. Certain alloys are more prone to this than others; superalloys such as Inconel require machining strategies that take it into account. An example of desirable work hardening is that which occurs in metalworking processes that intentionally induce plastic deformation to exact a shape change. These processes are known as cold working or cold forming processes. They are characterized by shaping the workpiece at a temperature below its recrystallization temperature, usually at the ambient temperature. Cold forming techniques are usually classified into four major groups: squeezing, bending, drawing, and shearing. Applications include the heading of bolts and cap screws and the finishing of cold rolled steel. In cold forming, metal is formed at high speed and high pressure using tool steel or carbide dies. The cold working of the metal increasing the hardness, yield strength, and tensile strength.↑ ↑ ↑ ↑ ↑ ↑".
- Work_hardening thumbnail Rock_plasticity_compression_plain.svg?width=300.
- Work_hardening wikiPageExternalLink work_strain_hardening.htm.
- Work_hardening wikiPageExternalLink h1017v2_88.htm.
- Work_hardening wikiPageID "1590842".
- Work_hardening wikiPageRevisionID "606333376".
- Work_hardening hasPhotoCollection Work_hardening.
- Work_hardening subject Category:Industrial_processes.
- Work_hardening subject Category:Metallurgical_processes.
- Work_hardening subject Category:Metalworking.
- Work_hardening subject Category:Strengthening_mechanisms_of_materials.
- Work_hardening type ChemicalProcess113446390.
- Work_hardening type IndustrialProcess113497928.
- Work_hardening type IndustrialProcesses.
- Work_hardening type Mechanism113512506.
- Work_hardening type NaturalProcess113518963.
- Work_hardening type PhysicalEntity100001930.
- Work_hardening type Process100029677.
- Work_hardening type StrengtheningMechanismsOfMaterials.
- Work_hardening comment "Work hardening, also known as strain hardening or cold working, is the strengthening of a metal by plastic deformation. This strengthening occurs because of dislocation movements and dislocation generation within the crystal structure of the material. Many non-brittle metals with a reasonably high melting point as well as several polymers can be strengthened in this fashion. Alloys not amenable to heat treatment, including low-carbon steel, are often work-hardened.".
- Work_hardening label "Encruamento".
- Work_hardening label "Endurecimiento por deformación".
- Work_hardening label "Incrudimento".
- Work_hardening label "Kaltumformung".
- Work_hardening label "Versteviging".
- Work_hardening label "Work hardening".
- Work_hardening label "Écrouissage".
- Work_hardening label "Наклёп".
- Work_hardening label "تصلد انفعالي".
- Work_hardening label "加工硬化".
- Work_hardening sameAs Kaltumformung.
- Work_hardening sameAs Ενδοτράχυνση.
- Work_hardening sameAs Endurecimiento_por_deformación.
- Work_hardening sameAs Écrouissage.
- Work_hardening sameAs Incrudimento.
- Work_hardening sameAs 加工硬化.
- Work_hardening sameAs Versteviging.
- Work_hardening sameAs Encruamento.
- Work_hardening sameAs m.05dx_q.
- Work_hardening sameAs Q1501203.
- Work_hardening sameAs Q1501203.
- Work_hardening sameAs Work_hardening.
- Work_hardening wasDerivedFrom Work_hardening?oldid=606333376.
- Work_hardening depiction Rock_plasticity_compression_plain.svg.
- Work_hardening isPrimaryTopicOf Work_hardening.
