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Ranjan Ray, Donald W Scott: Castings of metallic alloys with improved surface quality, structural integrity and mechanical properties fabricated in anisotropic pyrolytic graphite molds under vacuum. Santoku America, Stevens Davis Miller & Mosher, March 16, 2004: US06705385 (26 worldwide citation)

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


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Ranjan Ray, Donald W Scott: Castings of metallic alloys with improved surface quality, structural integrity and mechanical properties fabricated in finegrained isotropic graphite molds under vacuum. Santoku America, Stevens Davis Miller & Mosher, October 5, 2004: US06799626 (20 worldwide citation)

Methods for making various metallic alloys such as nickel, cobalt and/or iron based superalloys, stainless steel alloys, titanium alloys and titanium aluminide alloys into engineering components by melting of the alloys in a vacuum or under a low partial pressure of inert gas and subsequent casting ...


3
Ranjan Ray, Donald W Scott: CASTINGS OF METALLIC ALLOYS WITH IMPROVED SURFACE QUALITY, STRUCTURAL INTEGRITY AND MECHANICAL PROPERTIES FABRICATED IN REFRACTORY METALS AND REFRACTORY METAL CARBIDES COATED GRAPHITE MOLDS UNDER VACUUM. Santoku America, Stevens Davis Miller & Mosher, January 17, 2006: US06986381 (10 worldwide citation)

Molds are fabricated having a substrate of high density, high strength ultrafine grained isotropic graphite, and having a mold cavity coated with a refractory metal such as W or Re or a refractory metal carbide such as TaC or HfC. The molds may be made by making the substrate (main body) of high den ...


4
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 (5 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 ...


5
Ranjan Ray, Donald W Scott: Castings of metallic alloys with improved surface quality, structural integrity and mechanical properties fabricated in refractory metals and refractory metal carbides coated graphite molds under vacuum. Stevens Davis Miller & Mosher, January 27, 2005: US20050016706-A1

Molds are fabricated having a substrate of high density, high strength ultrafine grained isotropic graphite, and having a mold cavity coated with a refractory metal such as W or Re or a refractory metal carbide such as TaC or HfC. The molds may be made by making the substrate (main body) of high den ...


6
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. Stevens Davis Miller & Mosher, March 25, 2004: US20040055725-A1

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 ...


7
Ranjan Ray, Donald W Scott: Castings of metallic alloys with improved surface quality, structural integrity and mechanical properties fabricated in finegrained isotropic graphite molds under vacuum. Stevens Davis Miller & Mosher, January 8, 2004: US20040003913-A1

Methods for making various metallic alloys such as nickel, cobalt and/or iron based superalloys, stainless steel alloys, titanium alloys and titanium aluminide alloys into engineering components by melting of the alloys in a vacuum or under a low partial pressure of inert gas and subsequent casting ...


8
Ranjan Ray, Donald W Scott: Castings of metallic alloys with improved surface quality, structural integrity and mechanical properties fabricated in anisotropic pyrolytic graphite molds under vacuum. Stevens Davis Miller & Mosher, March 6, 2003: US20030042001-A1

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



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