BRINELLING Meaning and
Definition
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Brinelling is a term used in engineering and metallurgy to describe a type of damage caused by localized loads or impact on a metal surface. Specifically, it refers to the formation of permanent, shallow indentations or dents on the surface of a material, typically steel or other hard metals.
This form of damage occurs due to excessive pressure or force exerted on a small surface area. Brinelling is commonly observed in mechanical components subjected to heavy loads, such as bearings, gears, or surfaces in contact with each other under high pressures. It can also occur during the manufacturing or assembly of components when they are mishandled, dropped, or improperly transported.
These indentations, called brinell marks, are characterized by their rounded shape and flattened appearance. They can reduce the fatigue strength and overall performance of the material, as they create stress concentrations and initiate crack propagation more easily. Brinelling can also lead to increased friction and accelerated wear between moving parts, resulting in decreased efficiency, increased energy consumption, and potential component failure.
To mitigate brinelling, various measures can be taken, such as using materials with higher hardness or strength, increasing the contact area, or applying surface treatments like hardening, case hardening, or coatings. Regular inspection and maintenance are also important to detect brinelling early and prevent further damage or costly repairs.
Common Misspellings for BRINELLING
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Etymology of BRINELLING
The word "brinelling" derives from the name of its inventor, Johan August Brinell (1849-1925), a Swedish metallurgist. Brinell was a pioneer in the field of materials engineering and developed the Brinell hardness test in the early 1900s. The test is used to measure the hardness of a material by indenting it with a spherical indenter and measuring the diameter of the resulting impression. Brinelling, as a term, refers to the permanent deformation or indentation left on a material's surface when it undergoes excessive force or pressure, often seen as a result of heavy impact or dynamic loading. Thus, the word "brinelling" was named after Johan August Brinell to honor his contributions to the field of materials testing and characterization.
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