Copper glossary 28 concepts
By hans
- Copper glossaryWelcome to the copper universe.
- Applications
- People
- Don Lindsay
- Georgius AgricolaGeorgius Agricola (24th March 1494 – 21st November 1555) was a German scholar and scientist. Known as "the father of mineralogy", he has written the book 'De Re Metallica'. This book remained a standard work for a long time, and marks its author as one of the most accomplished chemists of his time. The techniques described with many illustrations are even today interesting to read as the basic principles of metallurgy of copper and other metals are valid even today.
- Iván Arriagada
- Richard Adkerson
- Robert Friedland
- Products
- PropertiesPhysical and chemical properties
- Color
- Creep resistanceCreep resistance is a term used in materials science that refers to a solid material’s ability to resist “creep,” which refers to the tendency of a material to slowly deform over a long period of exposure to high levels of stress.
- Density
- Electrical conductivityCopper is the element which exhibits the highest electrical conductivity beside silver. With its 58x10hh6 S/m at room temperature it is the standard for 100 % conductivity in IACS units. Very pure copper has even a higher conductivity of up to 59.1 S/m corresponding to 101.9 % IACS. Impurity in copper may drastically reduce the conductivity. So only 500 ppm phosphorus reduce the conductivity by more than 30%. So copper alloys like brass have a lower electrical conductivity. Also cold working can reduce the conductivity about 1-2%. With increasing temperature the electrical conductivity decreases. At very low temperatures near to 0 K the conductivity increases by a factor of more than ten. For applications at low temperatures like superconductors the conductivity at low temperature is important. It is measured as the Residual Resistance Ratio .
- Fatigue strength
- Hardness
- Melting point
- Tensile strength
- Thermal conductivity