Metallurgyfordummies Feed

• Welding Procedure [del.icio.us] December 9, 2011
  A Welding Procedure Specification (WPS) is a formal document describing welding procedures. A WPS is developed for each material alloy and for each welding type used. A WPS is supported by a Procedure Qualification Record (PQR or WPQR). […]
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• Properties of Metal [del.icio.us] December 9, 2011
  A metal is a chemical element that is a good conductor of both electricity and heat and forms cations and ionic bonds with non-metals. In chemistry, a metal is an element, compound, or alloy characterized by high electrical conductivity. In a metal, atoms readily lose electrons to form positive ions (cations). Those ions are surrounded by delocalized electro […]
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• Types of Materials [del.icio.us] December 9, 2011
  Metals are elements that generally have good electrical and thermal conductivity.Many metals have high strength, high stiffness, and have good ductility. Some metals, such as iron, cobalt and nickel are magnetic.At extremely low temperatures, some metals and intermetallic compounds become superconductors. […]
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