http://www.tanb.org/Increasing awareness of tantalum and niobium and their properties, and promoting the use of the metals and their products.Metallurgy
The Copper Data Center is a bibliographic database covering the technological and environmental literature on copper, brass and bronze. It is created and maintained by the Copper Development Association Inc.
ICRI serves iron foundry members through technology transfer. Offers a technical paper on Grey Iron metallurgy and properties, originally presented in 1969.