Shear plane. ( Mechanics ) A confined zone along which fracture occurs in metal cutting. Plano de corte. ( Mecánica ) Zona limitada en que se produce la fractura en el corte de metales.

Shear rate, velocidad de cizalladura, ( Mecánica de los fluidos ) Velocidades relativas, en el flujo laminar, de capas paralelas adyacentes, de un cuerpo fluido bajo fuerza de cizalla.

Shear spinning. ( Mechanical Engineering ) A sheet-metal-forming process which forms parts with rotational symmetry over a mandrel with the use of a tool or roller in which deformation is carried out with a roller in such a manner that the diameter of the original blank does not change but the thickness of the part decreases by an amount dependent on the mandrel angle. Repujado por deslizamiento, ( Ingeniería mecánica ) Proceso para el conformado de planchas metálicas para la fabricación de piezas de simetría cilíndrica, que utiliza un mandril y una herramienta que produce la deformación sin cambiar el diámetro original de la pieza en bruto, pero reduce su grueso hasta un valor que depende del ángulo del mandril.

Shear steel, acero cortante

Shear strain. ( Mechanics ) Also known as shear. 1. A deformation of a solid body in which a plane in the body is displaced parallel to itself relative to parallel planes in the body; quantitatively, it is the displacement of any plane relative to a second plane, divided by the perpendicular distance between planes. 2. The force causing such deformation. Deslizamiento por cizalladura , ( Mecánica ) También se conoce como deslizamiento, 1. Deformación de un cuerpo sólido de donde un plano del cuerpo se desplaza paralelamente a sí mismo en relación a los planos paralelos de¡ cuerpo; cuantitativamente es el desplazamiento de cualquiera de los planos en relación a un segundo plano, dividido por la distancia perpendicular entre los planos. 2. Fuerza que produce dicha deformación.

Shear strength. ( Mechanics ) 1. The maximum shear stress which a material can withstand without rupture. 2. The ability of a material to withstand shear stress. Resistencia a la cortadura, resistencia a la cizalladura. ( Mecánica ) 1. la máxima resistencia al corte que es capaz de resistir un material sin llegar a romperse. 2. Capacidad de un material para resistir los esfuerzos de corte.

Shear strength is the ability of a metal to resist being fractured by opposing forces not acting in a straight line , see figure . Shear strength can be controlled by varying the hardness of the metal.

La resistencia a la cortadura es la habilidad de un metal de resistir ser fracturado por fuerzas opuestas que no actúan en línea recta, ver figura. La resistencia a la cortadura puede ser controlada variando la dureza del metal.

Shear stress, tensión de corte, esfuerzo cortante. ( Mecánica ) See: shearing stress (tensión cortante ) .

Shear thickening, espesamiento de cizalladura. ( Mecánica de los fluidos ) Aumento de viscosidad de fluidos no newtonianos (por ejemplo, polímeros complejos, protemas, protoplasma) que experimentan incrementos de viscosidad bajo condiciones de fuerzas de cizalla (esto es, flujo viscosimétrico). 

Shear thinning, enrarecimiento de cizalladura. ( Mecánica de los fluidos ) Reducción de viscosidad de fluidos no newton¡anos ( por ejemplo, polímeros y sus disoluciones, la mayoría de papillas y suspensiones, aceites lubricantes con mejorantes de índice de viscosidad ) que experimentan reducciones de viscosidad bajo condiciones de esfuerzos cizallantes (esto es, flujo viscosimétrico).

Shear viscosity function, función de cizalladura-viscosidad. ( Mecánica de los fluidos ) Expresión del flujo viscosimétrico de un fluido no newtoniano, puramente viscoso, en términos del gradiente de velocidad y del esfuerzo cizallante del fluido que fluye.

Shear wave. ( Mechanics ) A wave that causes an element of an elastic medium to change its shape without changing its volume. Also known as rotational wave. Onda de corte, (vibration) onda transversal o de corte. ( Mecánica ) Onda que hace que un elemento de un medio elástico cambie su forma sin variar de volumen. También se llama onda rotacional.

Shear. ( Design Engineering ) A cutting tool having two opposing blades between which a material is cut. Corte, cizallamiento, esfuerzo cortante; (máquinas herramientas) tijera mecánica, cizalla, (en Argentina) guillotina; banco de torno, cabria (aparato de izar), cizalla, deslizamiento. ( Ingeniería de diseño ) Herramienta de corte que tiene dos hojas opuestas entre las que se corta un material , ( Mecánica ) See: shear strain ; bar shear , cizalla para barras; bench shears, cizalla de mano; billet croping shear , cizalla para viguetas; block shears, cizalla de mano; bloom shear , cizalla para tochos; flying shears, cizalla al aire; gate shears, cizalla de guillotina; guillotine shear, cizalla de guillotina; lever shear , cizalla de alzaprima; plate shears, cizalla para chapa; shears of a lathe, guías prismáticas del torno; universal shear, cizalla universal; to shear, cizallar, cortar, desbastar, recortar; (máquinas herramientas ) trasquilar, (A) esquilar; to shear off, cortar el extremo de una barra.

SHEAR

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Sheared, cizallado.

Shearer, cizallador (obrero).

Shearing die. ( Mechanical Engineering ) A die with a punch for shearing the work from the stock. Troquel de corte, matriz de cizalla, ( Ingeniería mecánica ) Un troquel provisto de un punzón para cortar la pieza a partir de la chapa.

Shearing instability, inestabilidad de cizalladura , ( Mecánica de los fuidos ) See: Helmholtz instability.

Shearing machine. ( Mechanical Engineering ) A machine for cutting cloth or bars, sheets, or plates of metal or other material. Máquina de cortar, cizalladora . ( Ingeniería mecánica ) Una máquina para cortar paño o barras, hojas o placas de metal u otro material.

Shearing punch. ( Mechanical Engineering ) A punch that cuts material by shearing it, with minimal crushing effect. Punzón de cortar, ( Ingeniería mecánica ) Un punzón que corta material mediante cizallamiento, con el mínimo efecto de aplastamiento.

Shearing stress, tensión cortante, esfuerzo cortante o de corte, cizallamiento, cizalleo, cortadura, (en Argentina) tensión de corte, (en Argentina) tensión tangencial. ( Mecánica ) Tensiones en las cuales el material de una parte de la superficie presiona el material de la otra parte de la superficie con una fuerza paralela a la superficie. También se conoce como tensión de corte, tensión tangencial.