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6690759 |
Disclosed herein are zirconium-base alloys excellent in both corrosion resistance and hydrogen absorption property, useful as materials for nuclear reactors. Such a zirconium-base alloy for nuclear reactors comprises 0.5-2 wt. % Sn, 0.07...
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6572792 |
A composition of matter includes a changed underlying electronic structure of a mass or matter containing a ‘p’, ‘d’ and/or ‘f’ atomic orbital. The structural change is accompanied by changes in energy or mass or both.
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6376104 |
A process of producing a gold decorative item, including, sequentially producing an alloy of gold, silver, copper and zinc, forming the gold alloy into a specific shape according to the design of the decorative item and polishing the sur...
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6315838 |
A method for creep cavity shrinkage and/or porosity reduction without applied stress. The thermal treatment is found to increase the rate of densification relative to isothermal annealing, allowing for more rapid recovery of desired theo...
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6165624 |
In the formation of a double oxide film of Li element and a metal element other than Li element, a metal body of the metal element selected from the group consisting of Ni, Co, V, Fe, Cr and Al is immersed in an alkaline solution contain...
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6068001 |
Process for stainless steel pickling consisting in placing the material to be treated in a bath kept at a temperature ranging from 30° C. to 70° C. and containing: a) HCl b) Fe 3 + c) HF d) emulsifiers, wetting agents, poli...
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5981387 |
Disclosed is a method for forming a silicide film on bit lines or word lines in a semiconductor device. The method includes the steps of: placing a substrate within a reacting chamber, the substrate having an objective layer on which a m...
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5651839 |
A process for producing coherent twin, incoherent twin, low angle tilt, high angle tilt or CSL grain boundaries in materials is described. A planar material or a planar substrate coated with the polycrystalline material is heated in sele...
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5551997 |
Disclosed is a practical aluminum based alloy containing 1 to 99 weight percent beryllium, and improved methods of semi-solid processing of aluminum alloys containing beryllium. The present methods avoid molten beryllium, agitation of mo...
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5436195 |
In a method of fabricating an integrated semiconductor light modulator and laser device, a semiconductor layer having first and second regions of different crystal compositions is produced on each chip region of a semiconductor wafer by ...
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5133811 |
A method of producing a thixotropic material is provided which consists of deforming a fully solidified metal or metal alloy below its temperature of recrystallization by cold or warm working such as extrusion or rolling. The deformed ma...
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5094700 |
A solder or brazing alloy having improved properties by reason of the presence of at least one uniformly dispersed non-acicular and non-dendritic intermetallic phase having a particle size of about 1 to 25 microns. A method of preparing ...
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5009844 |
A semi-solid metal-forming process for producing an article of a hypoeutectic aluminum-silicon alloy comprises heating a solid billet of the alloy to a temperature intermediate the liquidus temperature and the solidus temperature at a ra...
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4772339 |
The present invention relates to a unique and advantageous method making possible a superior technical and economical separation of cemented carbide bodies based upon their compositions and structures. The critical point of the method is...
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4583608 |
Concepts relating to the heat treatment of single crystal superalloy articles are disclosed. A first concept is the use of a heat treatment sequence which includes incipient melting of the article being heat treated followed by one or mo...
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4572818 |
Purified metal compositions and metal compositions free of secondary phase material are produced by heating a metal alloy from the nonequilibrium solidus temperature while subjecting the liquid-solid mixture to high pressure and forcing ...
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4295896 |
Metal compositions having significantly improved mechanical properties and substantially free of second phase material are produced by heating a metal alloy from the non-equilibrium solidus temperature while subjecting the liquid-solid m...
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4231814 |
A method of producing a vacuum circuit breaker, the breaker contacts of which are made of a cast alloy which contains copper or a copper alloy as its main component and, as the sub-component, a metal having a lower melting point and a hi...
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4174233 |
A process for reducing the residual stresses in a seamless metal tube which has undergone a straightening operation comprising subjecting the tube to an internal pressure of between 0.8 Pc and 1.0 Pc for a period of at least 3 minutes, w...
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4129459 |
New reactants for catastrophically embrittling steel having a hardness of ckwell C40 or greater comprising an amalgam of 98 to 99 weight percent mercury, the balance being lithium and indium; and an aqueous solution of vanadium pentoxide...
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4120701 |
New reactants for catastrophically embrittling steel having a hardness of ckwell C40 or greater comprising an amalgam of 98 to 99 weight percent mercury, the balance being lithium and indium; and sulfuric acid, and methods for applying s...
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4011150 |
A method for the treatment of the surface of refining elements or segments is disclosed. The refining segment surfaces, which generally include grooves and ridges, are normally subjected to mechanical polishing or grinding prior to use, ...
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3434827 |
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3157540 |
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3043727 |
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2172421 |
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1207910 |
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