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  • Determination of Water Hardness
    Originally the hardness of water was defined as the capacity of water for destroying the lather of soap. The hardness was determined by a titration with a standard soap solution. Metal ions including have the ability to cause hardness. However, today water hardness means the total calcium
  • Precious Metals
    , electrodes, cathodes, crucibles, catalysts, and salts or solutions for plating and coating. All precious metals are nearly completely corrosion resistant; platinum metals withstand service up to 3,200 F without any evidence of erosion or corrosion. An extremely soft, ductile metal, gold undergoes
  • Refractory Hard Metals
    Refractory hard metals (RHMs) are a ceramiclike class of materials made from metal-carbide particles bonded together by a metal matrix. Often classified as ceramics and sometimes called cemented or sintered carbides, these metals were developed for extreme hardness and wear resistance. The RHMs
  • Portable Hardness Test Technology for Assessing Titanium Weld Quality (.pdf)
    Portable hardness testing technology was developed in this project and was based on an oxygen equivalent (OE) database for CP titanium weld metals. The database was created by testing the properties of full penetration autogenous welds made from a number of heats and using different welding
  • Hardness Testing of Metallic Materials - NIST Recommended Practice Guide
    used method for acceptance testing and process control of metals and metal products. Since its development, the popularity of the Rockwell hardness test has steadily grown. The Rockwell hardness test continues to be applied as a tool for assessing the properties of a product while the tolerances
  • Rolling out complex metal parts
    . Cold drawing, on the other hand, uses extreme pressure to pull metals, such as copper and brass, and stainless or carbon steel through a controlled series of progressively smaller dies at ambient temperature. It gradually establishes part contours while cold working the metal, increasing its tensile
  • Hardness of Bone Tissue
    driving forces for coating metal implants with calcium phosphate layers which improve their biocompatibility and osteoconductive properties. In a previous investigation [1] it has been demonstrated that when Bovine Serum Albumin (BSA) is biomimetically coprecipitated with Ca2+ and PO4 3- ions upon
  • Superlative parts crowned at powder-metal competition
    Members of the Metal Powder Industries Federation (MPIF), Princeton, N.J., once again prove inventive powder-metal (P/M) parts can outperform their machined, stamped, cast, and forged counterparts. Metal Powder Industries Federation (MPIF), Princeton, N.J., once again prove inventive powder-metal

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