A Silver-Bearing, High-Temperature, Superconducting (HTS) Paint, (1998)
A substantial set of device applications awaits development of a workable, durable, high-temperature superconducting (HTS) paint. Such a paint should be truly superconducting with its critical...
A brief discussion of the history and generic properties of superconductors is given. Arguments favoring the use of microscopically uniform silver additions to the high temperature superconducting...
Diffusion Bonding Process for Aluminum and Aluminum Alloys. (1998)
Ferrando, William A., Divechi, Amarnath P., Karmarkar, Subhash D.
A method of forming diffusion bonds between aluminum and aluminum alloy surfaces by coating the surfaces with molten AgNO3 and then decomposing the AgNO3 to form a thin uniform layer of silver on the...
Method of Soldering Aluminum. (1998)
Divecha, Amarnath P., Ferrando, William A., Hesse, Philip W., Karmarkar, Subhash D.
An aluminum or aluminum alloy surface is coated with molten AgNO3, the silver nitrate is decomposed (at about 450 C-550 C) leaving a thin layer of silver metal, and then an inter-diffusion layer of...
Silver Lined Ceramic Vessel and Method of Preparation. (1998)
Ferrando, William A., DiVecha, Amarnath P., Kerr, James
This invention relates to reaction vessels and more particularly high temperature reaction vessels having inert metal surfaces. Many of the component elements, oxides and nitrates used in...
Process for Producing Uniform Protective Coating of Silver Metal on Carbon/Carbon Composites. (1998)
Divecha, Amarnath P., Ferrando, William A., Hesse, Philip W., Karmarkar, Subhash D.
This patent discloses a process for producing high temperature, oxidation resistant silver metal coatings on carbon/carbon composite structures by coating the carbon/carbon surfaces with molten...
Silver Coated Superconducting Ceramic Powder. (1998)
A silver coated superconducting ceramic powder made by (1) coating the superconducting ceramic powder particles with AgNO3; (2) melting the AgNO3 SO that it wets and forms a uniform coating over the...
Method for Producing Silver Coated Superconducting Ceramic Powder. (1998)
A process for silver coating superconducting ceramic powder by (1) mixing AgNO3 With the superconducting ceramic powder particles; (2) melting the AgNO3 SO that it wets and forms a uniform coating...
Method of Bonding Carbon-Carbon and Metal Matrix Composite Structures. (1998)
Divecha, Amarnath P., Ferrando, William A., Hesse, Philip W., Karmarkan, Subhash D.
A method of bonding two carbon/carbon composite pieces or a carbon/carbon composite piece and a graphite/aluminum metal matrix composite piece together by (1) forming a uniform coating of molten...
Silver Lined Ceramic Vessel and Method of Preparation. (1998)
Ferrando, William A., Divecha, Amarnath P., Kerr, James
A reaction vessel comprising (1) a porous ceramic structure having interconnecting, open pores and (2) silver metal coating the inner ceramic surfaces of the reaction vessel and filling the...
Multifilamentary Superconducting Cable and a Method of Manufacturing it. (1998)
Ferrando, William A., Divecha, Amarnath P., Kerr, James
A Nb-Ti or Nb-Zr low temperature superconducting (LTS) wire is coat with molten AgNO3 which is then decomposed to form a uniform silver metal (Ag) coating on the LTS wire. A uniform coating of molten...
Method of Producing High Temperature Superconductor Wires. (1998)
Ferrando, William A., Divecha, Amarnath P., Kerr, James
This patent application discloses a process for producing a superconductor wire by: (a) coating the inner surface of a steel tube with a thin layer of silver metal; (b) packing the tube with high...
Techniques For Preparation of Ingot Metallurgical Discontinuous Composites. (1998)
Divecha, Amarnath P., Karmarkar, Subhash D., Ferrando, William A., Hoover, Scott M., Kerr, James M.
Process for the production of ingots of castable discontinuous metal matrix composites by encapsulating particulate refractory material of the B4C or SiC in a matrix metal of Li or Al to form a solid...
Lightweight Battery Electrode and Method of Making It. (1998)
Ferrando, William A., Divecha, Amarnath P.
A process for producing a lightweight electrode grid by exposing a heated mat of dense graphite fibers to Ni(CO)4 gas wherein the Ni(CO)4 decomposes upon contact with the graphite fibers depositing...
Composite Reinforced Gun Barrels. (1998)
Divecha, Amarnath P., Karmarkar, Subbash D., Hoover, Scott M., Ferrando, William A.
A composite reinforced gun barrel with a composite of a titanium, nickel, or FeCrA1Y alloy matrix reinforced with round filaments or rectangular ribbons made of molybdenum or tungsten. The composite...
Method of Bonding Molybdenum to Steel. (1998)
Ferrando, William A., Karmarkar, Subhash D., Hoover, Scott M., Divecha, Amarnath P.
A thin layer of silver metal is formed between a molybdenum surface and a steel surface. The silver metal layer is diffusion bonded to the molybdenum surface and diffusion bonded to the steel...
Multifilamentary Superconducting Cable and a Method of Manufacturing It. (1998)
Ferrando, William A., Divecha, Amarnath P., Kerr, James
A Nb-Ti or Nb-Zr low temperature superconducting (LTS) wire is coat with molten AgNO3 which is then decomposed to form a uniform silver metal (Ag) coating on the LTS wire. A uniform coating of molten...
Lightweight Zinc Electrode. (1998)
A light weight zinc electrode made of a sintered mat of copper metal coated graphite fibers; and a composite material of zinc active material and a hydrogel dispersed in a solid, impervious, inert...
Centrifugal Casting of Reinforced Articles. (1998)
Diyecha, Amarnath P., Karmarkar, Subhash D., Ferrando, William A., Hoover, Scott M.
A reinforcement made of a composite material is positioned inside of a centrifugal casting mold. Molten matrix metal is then introduced into the mold while being rotated about its longitudinal axis...
Method of Centrifugally Casting Reinforced Composite Articles. (1998)
Divecha, Amarnath P., Karmarkar, Subhash D., Ferrando, William A., Hoover, Scott M.
The article is produced by prepositioning nonwoven reinforcement made of a metallic mesh to which ceramic tiles are wired inside of a centrifugal casting mold. Molten matrix metal is then introduced...
Lightweight Battery Electrode and Method of Making it. (1998)
Ferrando, William A., Divecha, Amarnath P.
A process for producing a lightweight electrode grid by exposing a compressed, heated mat of dense graphite fibers to Ni(CO)4 gas wherein the Ni(CO)4 decomposes upon contact with the graphite fibers...
Chromic Oxide Coatings by Thermal Decomposition of Chromic Acid Anhydride (CRO3). (1998)
A diamond, ceramic, metal, or metal alloy surface is coated with molten Cr03. The coated surface is then heated in air at a temperature of from about 200 C. to 250 C. until the molten CrO3 coating is...
Lightweight Zinc Electrode. (1998)
A light weight zinc electrode made of (1) a mat of nickel metal coated graphite fibers; and (2) a composite material of zinc active material and a hydrogel dispersed in a solid, impervious inert...
Divecha, Amarnath P., Karmarkar, Subhash D., Hoover, Scott M., Kerr, James M., Ferrando, William A.
A process for forming pressure cast alumina tile reinforced aluminum alloy armor in which a silver coated aluminum disc is first inserted into a mold assembly, the mold assembly includes a base...
Corrosion-Resistant Coating Prepared by the Thermal Decomposition of Lithium Permanganate. (1998)
A ceramic, metal, or metal alloy surface is covered with lithium permanganate which is then thermally decomposed to produce a corrosion resistant coating on the surface. This coating serves as a...