31
Ranjan Ray, Viswanathan Panchanathan: Nickel and cobalt alloys which contain tungsten aand carbon and have been processed by rapid solidification process and method. Marko Materials, October 18, 1983: US04410490 (14 worldwide citation)

New nickel and cobalt base alloys containing tungsten and carbon are disclosed. The alloys are subjected to rapid solidification processing (RSP) technique which produces cooling rates between 10.sup.5 .degree. to 10.sup.7 .degree. C./sec. The as-quenched ribbon, powder, etc. consists predominantly ...


32
Ranjan Ray: Heat extracting crucible for rapid solidification casting of molten alloys.. Allied, July 14, 1982: EP0055827-A1 (14 worldwide citation)

An apparatus and method are disclosed for rapid solidification casting of molten high temperature and/or reactive metallic alloys. The apparatus has a heat extraction crucible (2) for containing the alloy in liquid (4) form. A nozzle (6) forms an integral part of the crucible and allows for ejection ...


33
Ranjan Ray, Donald W Scott: Castings of metallic alloys with improved surface quality, structural integrity and mechanical properties fabricated in titanium carbide coated graphite molds under vacuum. Santoku America, Stevens Davis Miller & Mosher, October 5, 2004: US06799627 (14 worldwide citation)

Molds are fabricated having a substrate of high density, high strength ultrafine grained isotropic graphite, and having a mold cavity coated with titanium carbide. The molds may be made by making the substrate (main body) of high density, high strength ultrafine grained isotropic graphite, by, for e ...


34
Ranjan Ray, Ryusuke Hasegawa: Iron-boron solid solution alloys having high saturation magnetization. Allied Chemical Corporation, Ernest D Buff, Gerhard H Fuchs, January 16, 1979: US04134779 (13 worldwide citation)

Ferromagnetic substitutional solid solution alloys characterized by high saturation magnetization and having a bcc structure are provided. The alloys consist essentially of about 4 to 12 atom percent boron, balance essentially iron plus incidental impurities.


35
Ranjan Ray: Iron group transition metal-refractory metal-boron glassy alloys. Allied Chemical Corporation, Ernest D Buff, Gerhard H Fuchs, July 1, 1980: US04210443 (11 worldwide citation)

Glassy alloys containing iron, cobalt and nickel plus molybdenum and/or tungsten, together with low boron content, are disclosed. The glassy alloys of the invention consist essentially of about 5 to 10 atom percent boron, about 5 to 15 atom percent molybdenum and/or tungsten and the balance essentia ...


36
Ranjan Ray: Cobalt-refractory metal-boron glassy alloys. Allied Chemical Corporation, Ernest D Buff, Gerhard H Fuchs, January 9, 1979: US04133682 (11 worldwide citation)

Glassy alloys containing cobalt and molybdenum or tungsten, together with low boron content, are disclosed. The glassy alloys of the invention consist essentially of about 5 to 12 atom percent boron, a member selected from the group consisting of about 20 to 50 atom percent molybdenum and about 15 t ...


37
Ranjan Ray: Low metalloid containing amorphous metal alloys. Allied Chemical Corporation, Ernest D Buff, Gerhard H Fuchs, March 10, 1981: US04255189 (10 worldwide citation)

Glassy iron, nickel and cobalt rich alloys that contain at least one of molybdenum, tungsten, titanium, chronium and vanadium, together with low boron content, are disclosed. The alloys consist essentially of about 3 to 10 atom percent boron, about 3 to 25 atom percent of at least one member selecte ...


38
Ranjan Ray, Viswanathan Panchanathan: Nickel-aluminum-boron powders prepared by a rapid solidification process. Marko Materials, April 12, 1983: US04379720 (9 worldwide citation)

Nickel-aluminum alloys containing boron in powder form are disclosed. These alloys are subjected to melt-spinning to form a brittle filament consisting in large measure of a metastable solid solution phase. This is then pulverized to powder configuration. Such powders exhibit excellent sprayability ...


39
Ranjan Ray: Nickel-refractory metal-boron glassy alloys. Allied Chemical Corporation, Ernest D Buff, Gerhard H Fuchs, January 9, 1979: US04133681 (9 worldwide citation)

Glassy alloys containing nickel and molybdenum or tungsten, together with low boron content, are disclosed. The glassy alloys of the invention consist essentially of about 5 to 12 atom percent boron, a member selected from the group consisting of about 30 to 60 atom percent molybdenum and about 20 t ...


40
Choong Jin Yang, Ranjan Ray: Iron-neodymium-boron permanent magnet alloys prepared by consolidation of amorphous powders. Kubota, Armstrong Nikaido Marmelstein Kubovcik & Murray, January 23, 1990: US04895607 (9 worldwide citation)

New Iron-Neodymium-Boron base alloys containing diboride based on zirconium, titanium or tantalum are disclosed. The alloys are subjected to rapid solidification processing technique which produces cooling rates between 10.sup.5 to 10.sup.7 .degree.C./second. The as-quenched filament, ribbon or part ...