bimetálico

Bimetálico refers to something composed of two different metals. This term is often used in engineering and metallurgy to describe materials or components that are formed by joining two distinct metallic substances, typically through processes like welding, brazing, or cladding. The primary purpose of creating bimetallic materials is to combine the desirable properties of each constituent metal into a single, more versatile material. For example, a bimetallic strip might consist of brass and steel. Due to their differing coefficients of thermal expansion, these strips bend when heated or cooled, a principle exploited in thermostats and circuit breakers to control electrical circuits. In electrical connectors, bimetallic strips can prevent galvanic corrosion by separating dissimilar metals that might otherwise react electrochemically. The specific combination of metals and the method of joining are crucial in determining the performance and application of a bimetallic component. Common examples include bimetallic coins, where different metals are layered to create a distinct appearance and enhance durability, and bimetallic conductors used in power transmission to benefit from the conductivity of one metal and the structural strength of another.