Using Gold Insulation in Transparent Tube Laboratory Furnaces
Gold (Au) remains one of the most sought-after precious metals in the world for its superficial monetary value, but it also exhibits useful electro- and thermomechanical behavior for engineering and manufacturing applications. With a thermal conductivity of roughly 310 Watts per meter-Kelvin W/(mK) from room temperature up to 225°C (437°F) and outstanding reflectivity to infrared (IR) radiation, it is routinely used to manufacture protective films for satellites and faceplates for space suits. These novel properties are gradually being recognized in a broader range of fields. Most recently, gold has been employed for thermally-efficient heat shieldings in the engine bays of…