The noble alloy tended to fail at the metal-cement interface and within the cement itself with predominantly adhesive failure.
Base metals are known to have higher free-surface energy and are more reactive than noble and high noble alloys forming a thicker oxide layer.
Valve, Houston, a division of Fike Corporation, and a leading provider of high end alloy valves for erosive/corrosive services recently launched their new e-commerce enabled web site.
Valve, a division of the Fike Corporation, recently received their ISO 9001:1 994E certification from The American Petroleum Institute Quality Registrar (APIQR) for the design, manufacture, repair, and testing of valves, actuators, and accessories, as well as the surface hardening of metals under IAF Code 17.
A data sheet is offered by Noble Alloy
Valve on its three-piece cast titanium ball valve for both corrosive and erosive services.
Wogen will continue to market Vametco's NitrovanTM product globally on an exclusive basis, with the exception of Japan and Taiwan which are covered exclusively by Sojitz Noble Alloys
Corporation, the minority partner in SMC.
18] Barghi et al measured the fracture strength of repeatedly fired porcelain veneered to high noble and base metal alloy crowns and reported that multiple firings decreased the fracture strength in high noble alloys
but did not significantly affect base metal alloys.
Several reasons support the use of nickel-chromium alloys in dentistry: nickel combines well with chromium to form a corrosion-resistant alloy, and the Cr-Ni and Cr-Ni-Be alloys are less expensive compared with noble and highly noble alloys
The strength and rigidity of titanium are comparable to those of other noble or high noble alloys
commonly used in dentistry [27, 28].
It is known that the casting process may increase the porosity of noble alloys
, particularly those containing palladium (Pd) in their composition.