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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: combjelly who wrote (268891)	1/17/2006 10:51:31 AM
From: Emile Vidrine	Read Replies (1) \| Respond to of 1572946

"This would be like finding an automatic machine gun in a pharaoh's sarcophagus." I guess it would appear that way if you are not familiar with the current research: Review of Past Work INSPI is currently investigating chromium and chromium-alloys as a candidate for use as an ultrahigh temperature material. Chromium is a high temperature material with a melting point of 2136 K. Other favorable characteristics include high oxidation and creep resistance at high temperatures. However, its brittleness at room temperature prevents it from being used in any significant manner. A joint research effort with the Russian Scientific Institute, LUTCH, has produced single crystals of chromium with improved ductility. Further, alloys with certain metals such as vanadium, rhenium, titanium, and niobium have also been shown to improve the ductility of chromium. Because of difficulties controlling process variables in their production facilities, in particular the uniformity of the temperature in the reaction chamber, samples could not be obtained that were entirely mono-crystalline. Also, the distribution of the alloying elements was not uniform over the samples. This initial investigation provided useful experience in dealing with these difficulties and pointed to the need for a more sophisticated apparatus with better control over process variables. inspi.ufl.edu